Add files using upload-large-folder tool

.gitattributes

@@ -57,3 +57,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 # Video files - compressed
 *.mp4 filter=lfs diff=lfs merge=lfs -text
 *.webm filter=lfs diff=lfs merge=lfs -text
+evalkit_llava/bin/bzip2 filter=lfs diff=lfs merge=lfs -text

evalkit_llava/bin/bzip2

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8a514cce807cb1656a3bcd59794401e7d63c9554267e9acc77097a406092a8ed
+size 299464

evalkit_llava/lib/python3.10/_sysconfigdata_x86_64_conda_linux_gnu.py

@@ -0,0 +1,986 @@
+# system configuration generated and used by the sysconfig module
+build_time_vars = {'ABIFLAGS': '',
+ 'AC_APPLE_UNIVERSAL_BUILD': 0,
+ 'AIX_BUILDDATE': 0,
+ 'AIX_GENUINE_CPLUSPLUS': 0,
+ 'ALIGNOF_LONG': 8,
+ 'ALIGNOF_SIZE_T': 8,
+ 'ALT_SOABI': 0,
+ 'ANDROID_API_LEVEL': 0,
+ 'AR': 'x86_64-conda-linux-gnu-ar',
+ 'ARFLAGS': 'rcs',
+ 'BASECFLAGS': '-Wno-unused-result -Wsign-compare',
+ 'BASECPPFLAGS': '-IObjects -IInclude -IPython',
+ 'BASEMODLIBS': '',
+ 'BINDIR': '/root/envs/evalkit_llava/bin',
+ 'BINLIBDEST': '/root/envs/evalkit_llava/lib/python3.10',
+ 'BLDLIBRARY': 'libpython3.10.a',
+ 'BLDSHARED': 'x86_64-conda-linux-gnu-gcc -pthread -shared -Wl,-O2 '
+              '-Wl,--sort-common -Wl,--as-needed -Wl,-z,relro -Wl,-z,now '
+              '-Wl,--disable-new-dtags -Wl,--gc-sections '
+              '-Wl,-rpath,/root/envs/evalkit_llava/lib '
+              '-Wl,-rpath-link,/root/envs/evalkit_llava/lib '
+              '-L/root/envs/evalkit_llava/lib '
+              '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+              '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+              '-Wl,-rpath,/root/envs/evalkit_llava/lib '
+              '-Wl,-rpath-link,/root/envs/evalkit_llava/lib '
+              '-L/root/envs/evalkit_llava/lib',
+ 'BUILDEXE': '',
+ 'BUILDPYTHON': 'python',
+ 'BUILD_GNU_TYPE': 'x86_64-conda-linux-gnu',
+ 'BYTESTR_DEPS': '\\',
+ 'CC': 'x86_64-conda-linux-gnu-gcc -pthread',
+ 'CCSHARED': '-fPIC',
+ 'CFLAGS': '-Wno-unused-result -Wsign-compare -DNDEBUG -fwrapv -O2 -Wall '
+           '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe '
+           '-isystem '
+           '/root/envs/evalkit_llava/include '
+           ' '
+           ' '
+           '    '
+           '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+           '-fstack-protector-strong -fno-plt -O2 -ffunction-sections -pipe '
+           '-isystem '
+           '/root/envs/evalkit_llava/include '
+           ' '
+           ' '
+           '   ',
+ 'CFLAGSFORSHARED': '',
+ 'CFLAGS_ALIASING': '',
+ 'CONFIGFILES': 'configure configure.ac acconfig.h pyconfig.h.in '
+                'Makefile.pre.in',
+ 'CONFIGURE_CFLAGS': '-march=nocona -mtune=haswell -ftree-vectorize -fPIC '
+                     '-fstack-protector-strong -fno-plt -O2 '
+                     '-ffunction-sections -pipe -isystem '
+                     '/root/envs/evalkit_llava/include '
+                     ' '
+                     ' '
+                     '  '
+                     ' ',
+ 'CONFIGURE_CFLAGS_NODIST': '-fno-semantic-interposition  '
+                            '  '
+                            ' -g -std=c99 -Wextra '
+                            '-Wno-unused-result -Wno-unused-parameter '
+                            '-Wno-missing-field-initializers '
+                            '-Werror=implicit-function-declaration '
+                            '-fvisibility=hidden',
+ 'CONFIGURE_CPPFLAGS': '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+                       '/root/envs/evalkit_llava/include '
+                       '-I/root/envs/evalkit_llava/include',
+ 'CONFIGURE_LDFLAGS': '-Wl,-O2 -Wl,--sort-common -Wl,--as-needed -Wl,-z,relro '
+                      '-Wl,-z,now -Wl,--disable-new-dtags -Wl,--gc-sections '
+                      '-Wl,-rpath,/root/envs/evalkit_llava/lib '
+                      '-Wl,-rpath-link,/root/envs/evalkit_llava/lib '
+                      '-L/root/envs/evalkit_llava/lib',
+ 'CONFIGURE_LDFLAGS_NODIST': '-fno-semantic-interposition  '
+                             '  '
+                             ' -g',
+ 'CONFIG_ARGS': "'--prefix=/root/envs/evalkit_llava' "
+                "'--build=x86_64-conda-linux-gnu' "
+                "'--host=x86_64-conda-linux-gnu' '--enable-ipv6' "
+                "'--with-ensurepip=no' "
+                "'--with-tzpath=/root/envs/evalkit_llava/share/zoneinfo:/root/envs/evalkit_llava/share/tzinfo' "
+                "'--with-computed-gotos' '--with-system-ffi' "
+                "'--enable-loadable-sqlite-extensions' "
+                "'--with-tcltk-includes=-I/root/envs/evalkit_llava/include' "
+                "'--with-tcltk-libs=-L/root/envs/evalkit_llava/lib "
+                "-ltcl8.6 -ltk8.6' '--with-platlibdir=lib' '--with-lto' "
+                "'--enable-optimizations' "
+                "'-oldincludedir=/croot/python-split_1733933809325/_build_env/x86_64-conda-linux-gnu/sysroot/usr/include' "
+                "'--disable-shared' 'PROFILE_TASK=-m test --pgo' "
+                "'build_alias=x86_64-conda-linux-gnu' "
+                "'host_alias=x86_64-conda-linux-gnu' 'MACHDEP=linux' "
+                "'CC=x86_64-conda-linux-gnu-gcc' 'CFLAGS=-march=nocona "
+                '-mtune=haswell -ftree-vectorize -fPIC '
+                '-fstack-protector-strong -fno-plt -O2 -ffunction-sections '
+                '-pipe -isystem '
+                '/root/envs/evalkit_llava/include '
+                ' '
+                ' '
+                '   '
+                "' 'LDFLAGS=-Wl,-O2 -Wl,--sort-common -Wl,--as-needed "
+                '-Wl,-z,relro -Wl,-z,now -Wl,--disable-new-dtags '
+                '-Wl,--gc-sections '
+                '-Wl,-rpath,/root/envs/evalkit_llava/lib '
+                '-Wl,-rpath-link,/root/envs/evalkit_llava/lib '
+                "-L/root/envs/evalkit_llava/lib' "
+                "'CPPFLAGS=-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem "
+                '/root/envs/evalkit_llava/include '
+                "-I/root/envs/evalkit_llava/include' "
+                "'CPP=/croot/python-split_1733933809325/_build_env/bin/x86_64-conda-linux-gnu-cpp' "
+                "'PKG_CONFIG_PATH=/root/envs/evalkit_llava/lib/pkgconfig'",
+ 'CONFINCLUDEDIR': '/root/envs/evalkit_llava/include',
+ 'CONFINCLUDEPY': '/root/envs/evalkit_llava/include/python3.10',
+ 'COREPYTHONPATH': '',
+ 'COVERAGE_INFO': '/croot/python-split_1733933809325/work/build-static/coverage.info',
+ 'COVERAGE_REPORT': '/croot/python-split_1733933809325/work/build-static/lcov-report',
+ 'COVERAGE_REPORT_OPTIONS': '--no-branch-coverage --title "CPython lcov '
+                            'report"',
+ 'CPPFLAGS': '-IObjects -IInclude -IPython -I. '
+             '-I/croot/python-split_1733933809325/work/Include -DNDEBUG '
+             '-D_FORTIFY_SOURCE=2 -O2 -isystem '
+             '/root/envs/evalkit_llava/include '
+             '-I/root/envs/evalkit_llava/include '
+             '-DNDEBUG -D_FORTIFY_SOURCE=2 -O2 -isystem '
+             '/root/envs/evalkit_llava/include '
+             '-I/root/envs/evalkit_llava/include',
+ 'CXX': 'x86_64-conda-linux-gnu-c++ -pthread',
+ 'DESTDIRS': '/root/envs/evalkit_llava '
+             '/root/envs/evalkit_llava/lib '
+             '/root/envs/evalkit_llava/lib/python3.10 '
+             '/root/envs/evalkit_llava/lib/python3.10/lib-dynload',
+ 'DESTLIB': '/root/envs/evalkit_llava/lib/python3.10',
+ 'DESTPATH': '',
+ 'DESTSHARED': '/root/envs/evalkit_llava/lib/python3.10/lib-dynload',
+ 'DFLAGS': '',
+ 'DIRMODE': 755,
+ 'DIST': 'README.rst ChangeLog configure configure.ac acconfig.h pyconfig.h.in '
+         'Makefile.pre.in Include Lib Misc Ext-dummy',
+ 'DISTDIRS': 'Include Lib Misc Ext-dummy',
+ 'DISTFILES': 'README.rst ChangeLog configure configure.ac acconfig.h '
+              'pyconfig.h.in Makefile.pre.in',
+ 'DLINCLDIR': '.',
+ 'DLLLIBRARY': '',
+ 'DOUBLE_IS_ARM_MIXED_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_BIG_ENDIAN_IEEE754': 0,
+ 'DOUBLE_IS_LITTLE_ENDIAN_IEEE754': 1,
+ 'DTRACE': '',
+ 'DTRACE_DEPS': '\\',
+ 'DTRACE_HEADERS': '',
+ 'DTRACE_OBJS': '',
+ 'DYNLOADFILE': 'dynload_shlib.o',
+ 'ENABLE_IPV6': 1,
+ 'ENSUREPIP': 'no',
+ 'EXE': '',
+ 'EXEMODE': 755,
+ 'EXPERIMENTAL_ISOLATED_SUBINTERPRETERS': 0,
+ 'EXPORTSFROM': '',
+ 'EXPORTSYMS': '',
+ 'EXTRATESTOPTS': '',
+ 'EXT_SUFFIX': '.cpython-310-x86_64-linux-gnu.so',
+ 'FILEMODE': 644,
+ 'FLOAT_WORDS_BIGENDIAN': 0,
+ 'FLOCK_NEEDS_LIBBSD': 0,
+ 'GETPGRP_HAVE_ARG': 0,
+ 'GITBRANCH': '',
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+ 'GITVERSION': '',
+ 'GNULD': 'no',
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+ 'WITH_DECIMAL_CONTEXTVAR': 1,
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+ 'abs_srcdir': '/croot/python-split_1733933809325/work',
+ 'datarootdir': '/root/envs/evalkit_llava/share',
+ 'exec_prefix': '/root/envs/evalkit_llava',
+ 'prefix': '/root/envs/evalkit_llava',
+ 'srcdir': '/croot/python-split_1733933809325/work'}

evalkit_llava/lib/python3.10/calendar.py

@@ -0,0 +1,759 @@
+"""Calendar printing functions
+
+Note when comparing these calendars to the ones printed by cal(1): By
+default, these calendars have Monday as the first day of the week, and
+Sunday as the last (the European convention). Use setfirstweekday() to
+set the first day of the week (0=Monday, 6=Sunday)."""
+
+import sys
+import datetime
+import locale as _locale
+from itertools import repeat
+
+__all__ = ["IllegalMonthError", "IllegalWeekdayError", "setfirstweekday",
+           "firstweekday", "isleap", "leapdays", "weekday", "monthrange",
+           "monthcalendar", "prmonth", "month", "prcal", "calendar",
+           "timegm", "month_name", "month_abbr", "day_name", "day_abbr",
+           "Calendar", "TextCalendar", "HTMLCalendar", "LocaleTextCalendar",
+           "LocaleHTMLCalendar", "weekheader",
+           "MONDAY", "TUESDAY", "WEDNESDAY", "THURSDAY", "FRIDAY",
+           "SATURDAY", "SUNDAY"]
+
+# Exception raised for bad input (with string parameter for details)
+error = ValueError
+
+# Exceptions raised for bad input
+class IllegalMonthError(ValueError):
+    def __init__(self, month):
+        self.month = month
+    def __str__(self):
+        return "bad month number %r; must be 1-12" % self.month
+
+
+class IllegalWeekdayError(ValueError):
+    def __init__(self, weekday):
+        self.weekday = weekday
+    def __str__(self):
+        return "bad weekday number %r; must be 0 (Monday) to 6 (Sunday)" % self.weekday
+
+
+# Constants for months referenced later
+January = 1
+February = 2
+
+# Number of days per month (except for February in leap years)
+mdays = [0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31]
+
+# This module used to have hard-coded lists of day and month names, as
+# English strings.  The classes following emulate a read-only version of
+# that, but supply localized names.  Note that the values are computed
+# fresh on each call, in case the user changes locale between calls.
+
+class _localized_month:
+
+    _months = [datetime.date(2001, i+1, 1).strftime for i in range(12)]
+    _months.insert(0, lambda x: "")
+
+    def __init__(self, format):
+        self.format = format
+
+    def __getitem__(self, i):
+        funcs = self._months[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
+
+    def __len__(self):
+        return 13
+
+
+class _localized_day:
+
+    # January 1, 2001, was a Monday.
+    _days = [datetime.date(2001, 1, i+1).strftime for i in range(7)]
+
+    def __init__(self, format):
+        self.format = format
+
+    def __getitem__(self, i):
+        funcs = self._days[i]
+        if isinstance(i, slice):
+            return [f(self.format) for f in funcs]
+        else:
+            return funcs(self.format)
+
+    def __len__(self):
+        return 7
+
+
+# Full and abbreviated names of weekdays
+day_name = _localized_day('%A')
+day_abbr = _localized_day('%a')
+
+# Full and abbreviated names of months (1-based arrays!!!)
+month_name = _localized_month('%B')
+month_abbr = _localized_month('%b')
+
+# Constants for weekdays
+(MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY, SUNDAY) = range(7)
+
+
+def isleap(year):
+    """Return True for leap years, False for non-leap years."""
+    return year % 4 == 0 and (year % 100 != 0 or year % 400 == 0)
+
+
+def leapdays(y1, y2):
+    """Return number of leap years in range [y1, y2).
+       Assume y1 <= y2."""
+    y1 -= 1
+    y2 -= 1
+    return (y2//4 - y1//4) - (y2//100 - y1//100) + (y2//400 - y1//400)
+
+
+def weekday(year, month, day):
+    """Return weekday (0-6 ~ Mon-Sun) for year, month (1-12), day (1-31)."""
+    if not datetime.MINYEAR <= year <= datetime.MAXYEAR:
+        year = 2000 + year % 400
+    return datetime.date(year, month, day).weekday()
+
+
+def monthrange(year, month):
+    """Return weekday (0-6 ~ Mon-Sun) and number of days (28-31) for
+       year, month."""
+    if not 1 <= month <= 12:
+        raise IllegalMonthError(month)
+    day1 = weekday(year, month, 1)
+    ndays = mdays[month] + (month == February and isleap(year))
+    return day1, ndays
+
+
+def _monthlen(year, month):
+    return mdays[month] + (month == February and isleap(year))
+
+
+def _prevmonth(year, month):
+    if month == 1:
+        return year-1, 12
+    else:
+        return year, month-1
+
+
+def _nextmonth(year, month):
+    if month == 12:
+        return year+1, 1
+    else:
+        return year, month+1
+
+
+class Calendar(object):
+    """
+    Base calendar class. This class doesn't do any formatting. It simply
+    provides data to subclasses.
+    """
+
+    def __init__(self, firstweekday=0):
+        self.firstweekday = firstweekday # 0 = Monday, 6 = Sunday
+
+    def getfirstweekday(self):
+        return self._firstweekday % 7
+
+    def setfirstweekday(self, firstweekday):
+        self._firstweekday = firstweekday
+
+    firstweekday = property(getfirstweekday, setfirstweekday)
+
+    def iterweekdays(self):
+        """
+        Return an iterator for one week of weekday numbers starting with the
+        configured first one.
+        """
+        for i in range(self.firstweekday, self.firstweekday + 7):
+            yield i%7
+
+    def itermonthdates(self, year, month):
+        """
+        Return an iterator for one month. The iterator will yield datetime.date
+        values and will always iterate through complete weeks, so it will yield
+        dates outside the specified month.
+        """
+        for y, m, d in self.itermonthdays3(year, month):
+            yield datetime.date(y, m, d)
+
+    def itermonthdays(self, year, month):
+        """
+        Like itermonthdates(), but will yield day numbers. For days outside
+        the specified month the day number is 0.
+        """
+        day1, ndays = monthrange(year, month)
+        days_before = (day1 - self.firstweekday) % 7
+        yield from repeat(0, days_before)
+        yield from range(1, ndays + 1)
+        days_after = (self.firstweekday - day1 - ndays) % 7
+        yield from repeat(0, days_after)
+
+    def itermonthdays2(self, year, month):
+        """
+        Like itermonthdates(), but will yield (day number, weekday number)
+        tuples. For days outside the specified month the day number is 0.
+        """
+        for i, d in enumerate(self.itermonthdays(year, month), self.firstweekday):
+            yield d, i % 7
+
+    def itermonthdays3(self, year, month):
+        """
+        Like itermonthdates(), but will yield (year, month, day) tuples.  Can be
+        used for dates outside of datetime.date range.
+        """
+        day1, ndays = monthrange(year, month)
+        days_before = (day1 - self.firstweekday) % 7
+        days_after = (self.firstweekday - day1 - ndays) % 7
+        y, m = _prevmonth(year, month)
+        end = _monthlen(y, m) + 1
+        for d in range(end-days_before, end):
+            yield y, m, d
+        for d in range(1, ndays + 1):
+            yield year, month, d
+        y, m = _nextmonth(year, month)
+        for d in range(1, days_after + 1):
+            yield y, m, d
+
+    def itermonthdays4(self, year, month):
+        """
+        Like itermonthdates(), but will yield (year, month, day, day_of_week) tuples.
+        Can be used for dates outside of datetime.date range.
+        """
+        for i, (y, m, d) in enumerate(self.itermonthdays3(year, month)):
+            yield y, m, d, (self.firstweekday + i) % 7
+
+    def monthdatescalendar(self, year, month):
+        """
+        Return a matrix (list of lists) representing a month's calendar.
+        Each row represents a week; week entries are datetime.date values.
+        """
+        dates = list(self.itermonthdates(year, month))
+        return [ dates[i:i+7] for i in range(0, len(dates), 7) ]
+
+    def monthdays2calendar(self, year, month):
+        """
+        Return a matrix representing a month's calendar.
+        Each row represents a week; week entries are
+        (day number, weekday number) tuples. Day numbers outside this month
+        are zero.
+        """
+        days = list(self.itermonthdays2(year, month))
+        return [ days[i:i+7] for i in range(0, len(days), 7) ]
+
+    def monthdayscalendar(self, year, month):
+        """
+        Return a matrix representing a month's calendar.
+        Each row represents a week; days outside this month are zero.
+        """
+        days = list(self.itermonthdays(year, month))
+        return [ days[i:i+7] for i in range(0, len(days), 7) ]
+
+    def yeardatescalendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting. The return
+        value is a list of month rows. Each month row contains up to width months.
+        Each month contains between 4 and 6 weeks and each week contains 1-7
+        days. Days are datetime.date objects.
+        """
+        months = [
+            self.monthdatescalendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+    def yeardays2calendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting (similar to
+        yeardatescalendar()). Entries in the week lists are
+        (day number, weekday number) tuples. Day numbers outside this month are
+        zero.
+        """
+        months = [
+            self.monthdays2calendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+    def yeardayscalendar(self, year, width=3):
+        """
+        Return the data for the specified year ready for formatting (similar to
+        yeardatescalendar()). Entries in the week lists are day numbers.
+        Day numbers outside this month are zero.
+        """
+        months = [
+            self.monthdayscalendar(year, i)
+            for i in range(January, January+12)
+        ]
+        return [months[i:i+width] for i in range(0, len(months), width) ]
+
+
+class TextCalendar(Calendar):
+    """
+    Subclass of Calendar that outputs a calendar as a simple plain text
+    similar to the UNIX program cal.
+    """
+
+    def prweek(self, theweek, width):
+        """
+        Print a single week (no newline).
+        """
+        print(self.formatweek(theweek, width), end='')
+
+    def formatday(self, day, weekday, width):
+        """
+        Returns a formatted day.
+        """
+        if day == 0:
+            s = ''
+        else:
+            s = '%2i' % day             # right-align single-digit days
+        return s.center(width)
+
+    def formatweek(self, theweek, width):
+        """
+        Returns a single week in a string (no newline).
+        """
+        return ' '.join(self.formatday(d, wd, width) for (d, wd) in theweek)
+
+    def formatweekday(self, day, width):
+        """
+        Returns a formatted week day name.
+        """
+        if width >= 9:
+            names = day_name
+        else:
+            names = day_abbr
+        return names[day][:width].center(width)
+
+    def formatweekheader(self, width):
+        """
+        Return a header for a week.
+        """
+        return ' '.join(self.formatweekday(i, width) for i in self.iterweekdays())
+
+    def formatmonthname(self, theyear, themonth, width, withyear=True):
+        """
+        Return a formatted month name.
+        """
+        s = month_name[themonth]
+        if withyear:
+            s = "%s %r" % (s, theyear)
+        return s.center(width)
+
+    def prmonth(self, theyear, themonth, w=0, l=0):
+        """
+        Print a month's calendar.
+        """
+        print(self.formatmonth(theyear, themonth, w, l), end='')
+
+    def formatmonth(self, theyear, themonth, w=0, l=0):
+        """
+        Return a month's calendar string (multi-line).
+        """
+        w = max(2, w)
+        l = max(1, l)
+        s = self.formatmonthname(theyear, themonth, 7 * (w + 1) - 1)
+        s = s.rstrip()
+        s += '\n' * l
+        s += self.formatweekheader(w).rstrip()
+        s += '\n' * l
+        for week in self.monthdays2calendar(theyear, themonth):
+            s += self.formatweek(week, w).rstrip()
+            s += '\n' * l
+        return s
+
+    def formatyear(self, theyear, w=2, l=1, c=6, m=3):
+        """
+        Returns a year's calendar as a multi-line string.
+        """
+        w = max(2, w)
+        l = max(1, l)
+        c = max(2, c)
+        colwidth = (w + 1) * 7 - 1
+        v = []
+        a = v.append
+        a(repr(theyear).center(colwidth*m+c*(m-1)).rstrip())
+        a('\n'*l)
+        header = self.formatweekheader(w)
+        for (i, row) in enumerate(self.yeardays2calendar(theyear, m)):
+            # months in this row
+            months = range(m*i+1, min(m*(i+1)+1, 13))
+            a('\n'*l)
+            names = (self.formatmonthname(theyear, k, colwidth, False)
+                     for k in months)
+            a(formatstring(names, colwidth, c).rstrip())
+            a('\n'*l)
+            headers = (header for k in months)
+            a(formatstring(headers, colwidth, c).rstrip())
+            a('\n'*l)
+            # max number of weeks for this row
+            height = max(len(cal) for cal in row)
+            for j in range(height):
+                weeks = []
+                for cal in row:
+                    if j >= len(cal):
+                        weeks.append('')
+                    else:
+                        weeks.append(self.formatweek(cal[j], w))
+                a(formatstring(weeks, colwidth, c).rstrip())
+                a('\n' * l)
+        return ''.join(v)
+
+    def pryear(self, theyear, w=0, l=0, c=6, m=3):
+        """Print a year's calendar."""
+        print(self.formatyear(theyear, w, l, c, m), end='')
+
+
+class HTMLCalendar(Calendar):
+    """
+    This calendar returns complete HTML pages.
+    """
+
+    # CSS classes for the day <td>s
+    cssclasses = ["mon", "tue", "wed", "thu", "fri", "sat", "sun"]
+
+    # CSS classes for the day <th>s
+    cssclasses_weekday_head = cssclasses
+
+    # CSS class for the days before and after current month
+    cssclass_noday = "noday"
+
+    # CSS class for the month's head
+    cssclass_month_head = "month"
+
+    # CSS class for the month
+    cssclass_month = "month"
+
+    # CSS class for the year's table head
+    cssclass_year_head = "year"
+
+    # CSS class for the whole year table
+    cssclass_year = "year"
+
+    def formatday(self, day, weekday):
+        """
+        Return a day as a table cell.
+        """
+        if day == 0:
+            # day outside month
+            return '<td class="%s">&nbsp;</td>' % self.cssclass_noday
+        else:
+            return '<td class="%s">%d</td>' % (self.cssclasses[weekday], day)
+
+    def formatweek(self, theweek):
+        """
+        Return a complete week as a table row.
+        """
+        s = ''.join(self.formatday(d, wd) for (d, wd) in theweek)
+        return '<tr>%s</tr>' % s
+
+    def formatweekday(self, day):
+        """
+        Return a weekday name as a table header.
+        """
+        return '<th class="%s">%s</th>' % (
+            self.cssclasses_weekday_head[day], day_abbr[day])
+
+    def formatweekheader(self):
+        """
+        Return a header for a week as a table row.
+        """
+        s = ''.join(self.formatweekday(i) for i in self.iterweekdays())
+        return '<tr>%s</tr>' % s
+
+    def formatmonthname(self, theyear, themonth, withyear=True):
+        """
+        Return a month name as a table row.
+        """
+        if withyear:
+            s = '%s %s' % (month_name[themonth], theyear)
+        else:
+            s = '%s' % month_name[themonth]
+        return '<tr><th colspan="7" class="%s">%s</th></tr>' % (
+            self.cssclass_month_head, s)
+
+    def formatmonth(self, theyear, themonth, withyear=True):
+        """
+        Return a formatted month as a table.
+        """
+        v = []
+        a = v.append
+        a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' % (
+            self.cssclass_month))
+        a('\n')
+        a(self.formatmonthname(theyear, themonth, withyear=withyear))
+        a('\n')
+        a(self.formatweekheader())
+        a('\n')
+        for week in self.monthdays2calendar(theyear, themonth):
+            a(self.formatweek(week))
+            a('\n')
+        a('</table>')
+        a('\n')
+        return ''.join(v)
+
+    def formatyear(self, theyear, width=3):
+        """
+        Return a formatted year as a table of tables.
+        """
+        v = []
+        a = v.append
+        width = max(width, 1)
+        a('<table border="0" cellpadding="0" cellspacing="0" class="%s">' %
+          self.cssclass_year)
+        a('\n')
+        a('<tr><th colspan="%d" class="%s">%s</th></tr>' % (
+            width, self.cssclass_year_head, theyear))
+        for i in range(January, January+12, width):
+            # months in this row
+            months = range(i, min(i+width, 13))
+            a('<tr>')
+            for m in months:
+                a('<td>')
+                a(self.formatmonth(theyear, m, withyear=False))
+                a('</td>')
+            a('</tr>')
+        a('</table>')
+        return ''.join(v)
+
+    def formatyearpage(self, theyear, width=3, css='calendar.css', encoding=None):
+        """
+        Return a formatted year as a complete HTML page.
+        """
+        if encoding is None:
+            encoding = sys.getdefaultencoding()
+        v = []
+        a = v.append
+        a('<?xml version="1.0" encoding="%s"?>\n' % encoding)
+        a('<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">\n')
+        a('<html>\n')
+        a('<head>\n')
+        a('<meta http-equiv="Content-Type" content="text/html; charset=%s" />\n' % encoding)
+        if css is not None:
+            a('<link rel="stylesheet" type="text/css" href="%s" />\n' % css)
+        a('<title>Calendar for %d</title>\n' % theyear)
+        a('</head>\n')
+        a('<body>\n')
+        a(self.formatyear(theyear, width))
+        a('</body>\n')
+        a('</html>\n')
+        return ''.join(v).encode(encoding, "xmlcharrefreplace")
+
+
+class different_locale:
+    def __init__(self, locale):
+        self.locale = locale
+
+    def __enter__(self):
+        self.oldlocale = _locale.getlocale(_locale.LC_TIME)
+        _locale.setlocale(_locale.LC_TIME, self.locale)
+
+    def __exit__(self, *args):
+        _locale.setlocale(_locale.LC_TIME, self.oldlocale)
+
+
+class LocaleTextCalendar(TextCalendar):
+    """
+    This class can be passed a locale name in the constructor and will return
+    month and weekday names in the specified locale. If this locale includes
+    an encoding all strings containing month and weekday names will be returned
+    as unicode.
+    """
+
+    def __init__(self, firstweekday=0, locale=None):
+        TextCalendar.__init__(self, firstweekday)
+        if locale is None:
+            locale = _locale.getdefaultlocale()
+        self.locale = locale
+
+    def formatweekday(self, day, width):
+        with different_locale(self.locale):
+            return super().formatweekday(day, width)
+
+    def formatmonthname(self, theyear, themonth, width, withyear=True):
+        with different_locale(self.locale):
+            return super().formatmonthname(theyear, themonth, width, withyear)
+
+
+class LocaleHTMLCalendar(HTMLCalendar):
+    """
+    This class can be passed a locale name in the constructor and will return
+    month and weekday names in the specified locale. If this locale includes
+    an encoding all strings containing month and weekday names will be returned
+    as unicode.
+    """
+    def __init__(self, firstweekday=0, locale=None):
+        HTMLCalendar.__init__(self, firstweekday)
+        if locale is None:
+            locale = _locale.getdefaultlocale()
+        self.locale = locale
+
+    def formatweekday(self, day):
+        with different_locale(self.locale):
+            return super().formatweekday(day)
+
+    def formatmonthname(self, theyear, themonth, withyear=True):
+        with different_locale(self.locale):
+            return super().formatmonthname(theyear, themonth, withyear)
+
+# Support for old module level interface
+c = TextCalendar()
+
+firstweekday = c.getfirstweekday
+
+def setfirstweekday(firstweekday):
+    if not MONDAY <= firstweekday <= SUNDAY:
+        raise IllegalWeekdayError(firstweekday)
+    c.firstweekday = firstweekday
+
+monthcalendar = c.monthdayscalendar
+prweek = c.prweek
+week = c.formatweek
+weekheader = c.formatweekheader
+prmonth = c.prmonth
+month = c.formatmonth
+calendar = c.formatyear
+prcal = c.pryear
+
+
+# Spacing of month columns for multi-column year calendar
+_colwidth = 7*3 - 1         # Amount printed by prweek()
+_spacing = 6                # Number of spaces between columns
+
+
+def format(cols, colwidth=_colwidth, spacing=_spacing):
+    """Prints multi-column formatting for year calendars"""
+    print(formatstring(cols, colwidth, spacing))
+
+
+def formatstring(cols, colwidth=_colwidth, spacing=_spacing):
+    """Returns a string formatted from n strings, centered within n columns."""
+    spacing *= ' '
+    return spacing.join(c.center(colwidth) for c in cols)
+
+
+EPOCH = 1970
+_EPOCH_ORD = datetime.date(EPOCH, 1, 1).toordinal()
+
+
+def timegm(tuple):
+    """Unrelated but handy function to calculate Unix timestamp from GMT."""
+    year, month, day, hour, minute, second = tuple[:6]
+    days = datetime.date(year, month, 1).toordinal() - _EPOCH_ORD + day - 1
+    hours = days*24 + hour
+    minutes = hours*60 + minute
+    seconds = minutes*60 + second
+    return seconds
+
+
+def main(args):
+    import argparse
+    parser = argparse.ArgumentParser()
+    textgroup = parser.add_argument_group('text only arguments')
+    htmlgroup = parser.add_argument_group('html only arguments')
+    textgroup.add_argument(
+        "-w", "--width",
+        type=int, default=2,
+        help="width of date column (default 2)"
+    )
+    textgroup.add_argument(
+        "-l", "--lines",
+        type=int, default=1,
+        help="number of lines for each week (default 1)"
+    )
+    textgroup.add_argument(
+        "-s", "--spacing",
+        type=int, default=6,
+        help="spacing between months (default 6)"
+    )
+    textgroup.add_argument(
+        "-m", "--months",
+        type=int, default=3,
+        help="months per row (default 3)"
+    )
+    htmlgroup.add_argument(
+        "-c", "--css",
+        default="calendar.css",
+        help="CSS to use for page"
+    )
+    parser.add_argument(
+        "-L", "--locale",
+        default=None,
+        help="locale to be used from month and weekday names"
+    )
+    parser.add_argument(
+        "-e", "--encoding",
+        default=None,
+        help="encoding to use for output"
+    )
+    parser.add_argument(
+        "-t", "--type",
+        default="text",
+        choices=("text", "html"),
+        help="output type (text or html)"
+    )
+    parser.add_argument(
+        "year",
+        nargs='?', type=int,
+        help="year number (1-9999)"
+    )
+    parser.add_argument(
+        "month",
+        nargs='?', type=int,
+        help="month number (1-12, text only)"
+    )
+
+    options = parser.parse_args(args[1:])
+
+    if options.locale and not options.encoding:
+        parser.error("if --locale is specified --encoding is required")
+        sys.exit(1)
+
+    locale = options.locale, options.encoding
+
+    if options.type == "html":
+        if options.locale:
+            cal = LocaleHTMLCalendar(locale=locale)
+        else:
+            cal = HTMLCalendar()
+        encoding = options.encoding
+        if encoding is None:
+            encoding = sys.getdefaultencoding()
+        optdict = dict(encoding=encoding, css=options.css)
+        write = sys.stdout.buffer.write
+        if options.year is None:
+            write(cal.formatyearpage(datetime.date.today().year, **optdict))
+        elif options.month is None:
+            write(cal.formatyearpage(options.year, **optdict))
+        else:
+            parser.error("incorrect number of arguments")
+            sys.exit(1)
+    else:
+        if options.locale:
+            cal = LocaleTextCalendar(locale=locale)
+        else:
+            cal = TextCalendar()
+        optdict = dict(w=options.width, l=options.lines)
+        if options.month is None:
+            optdict["c"] = options.spacing
+            optdict["m"] = options.months
+        if options.year is None:
+            result = cal.formatyear(datetime.date.today().year, **optdict)
+        elif options.month is None:
+            result = cal.formatyear(options.year, **optdict)
+        else:
+            result = cal.formatmonth(options.year, options.month, **optdict)
+        write = sys.stdout.write
+        if options.encoding:
+            result = result.encode(options.encoding)
+            write = sys.stdout.buffer.write
+        write(result)
+
+
+if __name__ == "__main__":
+    main(sys.argv)

evalkit_llava/lib/python3.10/collections/__init__.py

@@ -0,0 +1,1556 @@
+'''This module implements specialized container datatypes providing
+alternatives to Python's general purpose built-in containers, dict,
+list, set, and tuple.
+
+* namedtuple   factory function for creating tuple subclasses with named fields
+* deque        list-like container with fast appends and pops on either end
+* ChainMap     dict-like class for creating a single view of multiple mappings
+* Counter      dict subclass for counting hashable objects
+* OrderedDict  dict subclass that remembers the order entries were added
+* defaultdict  dict subclass that calls a factory function to supply missing values
+* UserDict     wrapper around dictionary objects for easier dict subclassing
+* UserList     wrapper around list objects for easier list subclassing
+* UserString   wrapper around string objects for easier string subclassing
+
+'''
+
+__all__ = [
+    'ChainMap',
+    'Counter',
+    'OrderedDict',
+    'UserDict',
+    'UserList',
+    'UserString',
+    'defaultdict',
+    'deque',
+    'namedtuple',
+]
+
+import _collections_abc
+import sys as _sys
+
+from itertools import chain as _chain
+from itertools import repeat as _repeat
+from itertools import starmap as _starmap
+from keyword import iskeyword as _iskeyword
+from operator import eq as _eq
+from operator import itemgetter as _itemgetter
+from reprlib import recursive_repr as _recursive_repr
+from _weakref import proxy as _proxy
+
+try:
+    from _collections import deque
+except ImportError:
+    pass
+else:
+    _collections_abc.MutableSequence.register(deque)
+
+try:
+    from _collections import defaultdict
+except ImportError:
+    pass
+
+
+################################################################################
+### OrderedDict
+################################################################################
+
+class _OrderedDictKeysView(_collections_abc.KeysView):
+
+    def __reversed__(self):
+        yield from reversed(self._mapping)
+
+class _OrderedDictItemsView(_collections_abc.ItemsView):
+
+    def __reversed__(self):
+        for key in reversed(self._mapping):
+            yield (key, self._mapping[key])
+
+class _OrderedDictValuesView(_collections_abc.ValuesView):
+
+    def __reversed__(self):
+        for key in reversed(self._mapping):
+            yield self._mapping[key]
+
+class _Link(object):
+    __slots__ = 'prev', 'next', 'key', '__weakref__'
+
+class OrderedDict(dict):
+    'Dictionary that remembers insertion order'
+    # An inherited dict maps keys to values.
+    # The inherited dict provides __getitem__, __len__, __contains__, and get.
+    # The remaining methods are order-aware.
+    # Big-O running times for all methods are the same as regular dictionaries.
+
+    # The internal self.__map dict maps keys to links in a doubly linked list.
+    # The circular doubly linked list starts and ends with a sentinel element.
+    # The sentinel element never gets deleted (this simplifies the algorithm).
+    # The sentinel is in self.__hardroot with a weakref proxy in self.__root.
+    # The prev links are weakref proxies (to prevent circular references).
+    # Individual links are kept alive by the hard reference in self.__map.
+    # Those hard references disappear when a key is deleted from an OrderedDict.
+
+    def __init__(self, other=(), /, **kwds):
+        '''Initialize an ordered dictionary.  The signature is the same as
+        regular dictionaries.  Keyword argument order is preserved.
+        '''
+        try:
+            self.__root
+        except AttributeError:
+            self.__hardroot = _Link()
+            self.__root = root = _proxy(self.__hardroot)
+            root.prev = root.next = root
+            self.__map = {}
+        self.__update(other, **kwds)
+
+    def __setitem__(self, key, value,
+                    dict_setitem=dict.__setitem__, proxy=_proxy, Link=_Link):
+        'od.__setitem__(i, y) <==> od[i]=y'
+        # Setting a new item creates a new link at the end of the linked list,
+        # and the inherited dictionary is updated with the new key/value pair.
+        if key not in self:
+            self.__map[key] = link = Link()
+            root = self.__root
+            last = root.prev
+            link.prev, link.next, link.key = last, root, key
+            last.next = link
+            root.prev = proxy(link)
+        dict_setitem(self, key, value)
+
+    def __delitem__(self, key, dict_delitem=dict.__delitem__):
+        'od.__delitem__(y) <==> del od[y]'
+        # Deleting an existing item uses self.__map to find the link which gets
+        # removed by updating the links in the predecessor and successor nodes.
+        dict_delitem(self, key)
+        link = self.__map.pop(key)
+        link_prev = link.prev
+        link_next = link.next
+        link_prev.next = link_next
+        link_next.prev = link_prev
+        link.prev = None
+        link.next = None
+
+    def __iter__(self):
+        'od.__iter__() <==> iter(od)'
+        # Traverse the linked list in order.
+        root = self.__root
+        curr = root.next
+        while curr is not root:
+            yield curr.key
+            curr = curr.next
+
+    def __reversed__(self):
+        'od.__reversed__() <==> reversed(od)'
+        # Traverse the linked list in reverse order.
+        root = self.__root
+        curr = root.prev
+        while curr is not root:
+            yield curr.key
+            curr = curr.prev
+
+    def clear(self):
+        'od.clear() -> None.  Remove all items from od.'
+        root = self.__root
+        root.prev = root.next = root
+        self.__map.clear()
+        dict.clear(self)
+
+    def popitem(self, last=True):
+        '''Remove and return a (key, value) pair from the dictionary.
+
+        Pairs are returned in LIFO order if last is true or FIFO order if false.
+        '''
+        if not self:
+            raise KeyError('dictionary is empty')
+        root = self.__root
+        if last:
+            link = root.prev
+            link_prev = link.prev
+            link_prev.next = root
+            root.prev = link_prev
+        else:
+            link = root.next
+            link_next = link.next
+            root.next = link_next
+            link_next.prev = root
+        key = link.key
+        del self.__map[key]
+        value = dict.pop(self, key)
+        return key, value
+
+    def move_to_end(self, key, last=True):
+        '''Move an existing element to the end (or beginning if last is false).
+
+        Raise KeyError if the element does not exist.
+        '''
+        link = self.__map[key]
+        link_prev = link.prev
+        link_next = link.next
+        soft_link = link_next.prev
+        link_prev.next = link_next
+        link_next.prev = link_prev
+        root = self.__root
+        if last:
+            last = root.prev
+            link.prev = last
+            link.next = root
+            root.prev = soft_link
+            last.next = link
+        else:
+            first = root.next
+            link.prev = root
+            link.next = first
+            first.prev = soft_link
+            root.next = link
+
+    def __sizeof__(self):
+        sizeof = _sys.getsizeof
+        n = len(self) + 1                       # number of links including root
+        size = sizeof(self.__dict__)            # instance dictionary
+        size += sizeof(self.__map) * 2          # internal dict and inherited dict
+        size += sizeof(self.__hardroot) * n     # link objects
+        size += sizeof(self.__root) * n         # proxy objects
+        return size
+
+    update = __update = _collections_abc.MutableMapping.update
+
+    def keys(self):
+        "D.keys() -> a set-like object providing a view on D's keys"
+        return _OrderedDictKeysView(self)
+
+    def items(self):
+        "D.items() -> a set-like object providing a view on D's items"
+        return _OrderedDictItemsView(self)
+
+    def values(self):
+        "D.values() -> an object providing a view on D's values"
+        return _OrderedDictValuesView(self)
+
+    __ne__ = _collections_abc.MutableMapping.__ne__
+
+    __marker = object()
+
+    def pop(self, key, default=__marker):
+        '''od.pop(k[,d]) -> v, remove specified key and return the corresponding
+        value.  If key is not found, d is returned if given, otherwise KeyError
+        is raised.
+
+        '''
+        if key in self:
+            result = self[key]
+            del self[key]
+            return result
+        if default is self.__marker:
+            raise KeyError(key)
+        return default
+
+    def setdefault(self, key, default=None):
+        '''Insert key with a value of default if key is not in the dictionary.
+
+        Return the value for key if key is in the dictionary, else default.
+        '''
+        if key in self:
+            return self[key]
+        self[key] = default
+        return default
+
+    @_recursive_repr()
+    def __repr__(self):
+        'od.__repr__() <==> repr(od)'
+        if not self:
+            return '%s()' % (self.__class__.__name__,)
+        return '%s(%r)' % (self.__class__.__name__, list(self.items()))
+
+    def __reduce__(self):
+        'Return state information for pickling'
+        inst_dict = vars(self).copy()
+        for k in vars(OrderedDict()):
+            inst_dict.pop(k, None)
+        return self.__class__, (), inst_dict or None, None, iter(self.items())
+
+    def copy(self):
+        'od.copy() -> a shallow copy of od'
+        return self.__class__(self)
+
+    @classmethod
+    def fromkeys(cls, iterable, value=None):
+        '''Create a new ordered dictionary with keys from iterable and values set to value.
+        '''
+        self = cls()
+        for key in iterable:
+            self[key] = value
+        return self
+
+    def __eq__(self, other):
+        '''od.__eq__(y) <==> od==y.  Comparison to another OD is order-sensitive
+        while comparison to a regular mapping is order-insensitive.
+
+        '''
+        if isinstance(other, OrderedDict):
+            return dict.__eq__(self, other) and all(map(_eq, self, other))
+        return dict.__eq__(self, other)
+
+    def __ior__(self, other):
+        self.update(other)
+        return self
+
+    def __or__(self, other):
+        if not isinstance(other, dict):
+            return NotImplemented
+        new = self.__class__(self)
+        new.update(other)
+        return new
+
+    def __ror__(self, other):
+        if not isinstance(other, dict):
+            return NotImplemented
+        new = self.__class__(other)
+        new.update(self)
+        return new
+
+
+try:
+    from _collections import OrderedDict
+except ImportError:
+    # Leave the pure Python version in place.
+    pass
+
+
+################################################################################
+### namedtuple
+################################################################################
+
+try:
+    from _collections import _tuplegetter
+except ImportError:
+    _tuplegetter = lambda index, doc: property(_itemgetter(index), doc=doc)
+
+def namedtuple(typename, field_names, *, rename=False, defaults=None, module=None):
+    """Returns a new subclass of tuple with named fields.
+
+    >>> Point = namedtuple('Point', ['x', 'y'])
+    >>> Point.__doc__                   # docstring for the new class
+    'Point(x, y)'
+    >>> p = Point(11, y=22)             # instantiate with positional args or keywords
+    >>> p[0] + p[1]                     # indexable like a plain tuple
+    33
+    >>> x, y = p                        # unpack like a regular tuple
+    >>> x, y
+    (11, 22)
+    >>> p.x + p.y                       # fields also accessible by name
+    33
+    >>> d = p._asdict()                 # convert to a dictionary
+    >>> d['x']
+    11
+    >>> Point(**d)                      # convert from a dictionary
+    Point(x=11, y=22)
+    >>> p._replace(x=100)               # _replace() is like str.replace() but targets named fields
+    Point(x=100, y=22)
+
+    """
+
+    # Validate the field names.  At the user's option, either generate an error
+    # message or automatically replace the field name with a valid name.
+    if isinstance(field_names, str):
+        field_names = field_names.replace(',', ' ').split()
+    field_names = list(map(str, field_names))
+    typename = _sys.intern(str(typename))
+
+    if rename:
+        seen = set()
+        for index, name in enumerate(field_names):
+            if (not name.isidentifier()
+                or _iskeyword(name)
+                or name.startswith('_')
+                or name in seen):
+                field_names[index] = f'_{index}'
+            seen.add(name)
+
+    for name in [typename] + field_names:
+        if type(name) is not str:
+            raise TypeError('Type names and field names must be strings')
+        if not name.isidentifier():
+            raise ValueError('Type names and field names must be valid '
+                             f'identifiers: {name!r}')
+        if _iskeyword(name):
+            raise ValueError('Type names and field names cannot be a '
+                             f'keyword: {name!r}')
+
+    seen = set()
+    for name in field_names:
+        if name.startswith('_') and not rename:
+            raise ValueError('Field names cannot start with an underscore: '
+                             f'{name!r}')
+        if name in seen:
+            raise ValueError(f'Encountered duplicate field name: {name!r}')
+        seen.add(name)
+
+    field_defaults = {}
+    if defaults is not None:
+        defaults = tuple(defaults)
+        if len(defaults) > len(field_names):
+            raise TypeError('Got more default values than field names')
+        field_defaults = dict(reversed(list(zip(reversed(field_names),
+                                                reversed(defaults)))))
+
+    # Variables used in the methods and docstrings
+    field_names = tuple(map(_sys.intern, field_names))
+    num_fields = len(field_names)
+    arg_list = ', '.join(field_names)
+    if num_fields == 1:
+        arg_list += ','
+    repr_fmt = '(' + ', '.join(f'{name}=%r' for name in field_names) + ')'
+    tuple_new = tuple.__new__
+    _dict, _tuple, _len, _map, _zip = dict, tuple, len, map, zip
+
+    # Create all the named tuple methods to be added to the class namespace
+
+    namespace = {
+        '_tuple_new': tuple_new,
+        '__builtins__': {},
+        '__name__': f'namedtuple_{typename}',
+    }
+    code = f'lambda _cls, {arg_list}: _tuple_new(_cls, ({arg_list}))'
+    __new__ = eval(code, namespace)
+    __new__.__name__ = '__new__'
+    __new__.__doc__ = f'Create new instance of {typename}({arg_list})'
+    if defaults is not None:
+        __new__.__defaults__ = defaults
+
+    @classmethod
+    def _make(cls, iterable):
+        result = tuple_new(cls, iterable)
+        if _len(result) != num_fields:
+            raise TypeError(f'Expected {num_fields} arguments, got {len(result)}')
+        return result
+
+    _make.__func__.__doc__ = (f'Make a new {typename} object from a sequence '
+                              'or iterable')
+
+    def _replace(self, /, **kwds):
+        result = self._make(_map(kwds.pop, field_names, self))
+        if kwds:
+            raise ValueError(f'Got unexpected field names: {list(kwds)!r}')
+        return result
+
+    _replace.__doc__ = (f'Return a new {typename} object replacing specified '
+                        'fields with new values')
+
+    def __repr__(self):
+        'Return a nicely formatted representation string'
+        return self.__class__.__name__ + repr_fmt % self
+
+    def _asdict(self):
+        'Return a new dict which maps field names to their values.'
+        return _dict(_zip(self._fields, self))
+
+    def __getnewargs__(self):
+        'Return self as a plain tuple.  Used by copy and pickle.'
+        return _tuple(self)
+
+    # Modify function metadata to help with introspection and debugging
+    for method in (
+        __new__,
+        _make.__func__,
+        _replace,
+        __repr__,
+        _asdict,
+        __getnewargs__,
+    ):
+        method.__qualname__ = f'{typename}.{method.__name__}'
+
+    # Build-up the class namespace dictionary
+    # and use type() to build the result class
+    class_namespace = {
+        '__doc__': f'{typename}({arg_list})',
+        '__slots__': (),
+        '_fields': field_names,
+        '_field_defaults': field_defaults,
+        '__new__': __new__,
+        '_make': _make,
+        '_replace': _replace,
+        '__repr__': __repr__,
+        '_asdict': _asdict,
+        '__getnewargs__': __getnewargs__,
+        '__match_args__': field_names,
+    }
+    for index, name in enumerate(field_names):
+        doc = _sys.intern(f'Alias for field number {index}')
+        class_namespace[name] = _tuplegetter(index, doc)
+
+    result = type(typename, (tuple,), class_namespace)
+
+    # For pickling to work, the __module__ variable needs to be set to the frame
+    # where the named tuple is created.  Bypass this step in environments where
+    # sys._getframe is not defined (Jython for example) or sys._getframe is not
+    # defined for arguments greater than 0 (IronPython), or where the user has
+    # specified a particular module.
+    if module is None:
+        try:
+            module = _sys._getframe(1).f_globals.get('__name__', '__main__')
+        except (AttributeError, ValueError):
+            pass
+    if module is not None:
+        result.__module__ = module
+
+    return result
+
+
+########################################################################
+###  Counter
+########################################################################
+
+def _count_elements(mapping, iterable):
+    'Tally elements from the iterable.'
+    mapping_get = mapping.get
+    for elem in iterable:
+        mapping[elem] = mapping_get(elem, 0) + 1
+
+try:                                    # Load C helper function if available
+    from _collections import _count_elements
+except ImportError:
+    pass
+
+class Counter(dict):
+    '''Dict subclass for counting hashable items.  Sometimes called a bag
+    or multiset.  Elements are stored as dictionary keys and their counts
+    are stored as dictionary values.
+
+    >>> c = Counter('abcdeabcdabcaba')  # count elements from a string
+
+    >>> c.most_common(3)                # three most common elements
+    [('a', 5), ('b', 4), ('c', 3)]
+    >>> sorted(c)                       # list all unique elements
+    ['a', 'b', 'c', 'd', 'e']
+    >>> ''.join(sorted(c.elements()))   # list elements with repetitions
+    'aaaaabbbbcccdde'
+    >>> sum(c.values())                 # total of all counts
+    15
+
+    >>> c['a']                          # count of letter 'a'
+    5
+    >>> for elem in 'shazam':           # update counts from an iterable
+    ...     c[elem] += 1                # by adding 1 to each element's count
+    >>> c['a']                          # now there are seven 'a'
+    7
+    >>> del c['b']                      # remove all 'b'
+    >>> c['b']                          # now there are zero 'b'
+    0
+
+    >>> d = Counter('simsalabim')       # make another counter
+    >>> c.update(d)                     # add in the second counter
+    >>> c['a']                          # now there are nine 'a'
+    9
+
+    >>> c.clear()                       # empty the counter
+    >>> c
+    Counter()
+
+    Note:  If a count is set to zero or reduced to zero, it will remain
+    in the counter until the entry is deleted or the counter is cleared:
+
+    >>> c = Counter('aaabbc')
+    >>> c['b'] -= 2                     # reduce the count of 'b' by two
+    >>> c.most_common()                 # 'b' is still in, but its count is zero
+    [('a', 3), ('c', 1), ('b', 0)]
+
+    '''
+    # References:
+    #   http://en.wikipedia.org/wiki/Multiset
+    #   http://www.gnu.org/software/smalltalk/manual-base/html_node/Bag.html
+    #   http://www.demo2s.com/Tutorial/Cpp/0380__set-multiset/Catalog0380__set-multiset.htm
+    #   http://code.activestate.com/recipes/259174/
+    #   Knuth, TAOCP Vol. II section 4.6.3
+
+    def __init__(self, iterable=None, /, **kwds):
+        '''Create a new, empty Counter object.  And if given, count elements
+        from an input iterable.  Or, initialize the count from another mapping
+        of elements to their counts.
+
+        >>> c = Counter()                           # a new, empty counter
+        >>> c = Counter('gallahad')                 # a new counter from an iterable
+        >>> c = Counter({'a': 4, 'b': 2})           # a new counter from a mapping
+        >>> c = Counter(a=4, b=2)                   # a new counter from keyword args
+
+        '''
+        super().__init__()
+        self.update(iterable, **kwds)
+
+    def __missing__(self, key):
+        'The count of elements not in the Counter is zero.'
+        # Needed so that self[missing_item] does not raise KeyError
+        return 0
+
+    def total(self):
+        'Sum of the counts'
+        return sum(self.values())
+
+    def most_common(self, n=None):
+        '''List the n most common elements and their counts from the most
+        common to the least.  If n is None, then list all element counts.
+
+        >>> Counter('abracadabra').most_common(3)
+        [('a', 5), ('b', 2), ('r', 2)]
+
+        '''
+        # Emulate Bag.sortedByCount from Smalltalk
+        if n is None:
+            return sorted(self.items(), key=_itemgetter(1), reverse=True)
+
+        # Lazy import to speedup Python startup time
+        import heapq
+        return heapq.nlargest(n, self.items(), key=_itemgetter(1))
+
+    def elements(self):
+        '''Iterator over elements repeating each as many times as its count.
+
+        >>> c = Counter('ABCABC')
+        >>> sorted(c.elements())
+        ['A', 'A', 'B', 'B', 'C', 'C']
+
+        # Knuth's example for prime factors of 1836:  2**2 * 3**3 * 17**1
+        >>> prime_factors = Counter({2: 2, 3: 3, 17: 1})
+        >>> product = 1
+        >>> for factor in prime_factors.elements():     # loop over factors
+        ...     product *= factor                       # and multiply them
+        >>> product
+        1836
+
+        Note, if an element's count has been set to zero or is a negative
+        number, elements() will ignore it.
+
+        '''
+        # Emulate Bag.do from Smalltalk and Multiset.begin from C++.
+        return _chain.from_iterable(_starmap(_repeat, self.items()))
+
+    # Override dict methods where necessary
+
+    @classmethod
+    def fromkeys(cls, iterable, v=None):
+        # There is no equivalent method for counters because the semantics
+        # would be ambiguous in cases such as Counter.fromkeys('aaabbc', v=2).
+        # Initializing counters to zero values isn't necessary because zero
+        # is already the default value for counter lookups.  Initializing
+        # to one is easily accomplished with Counter(set(iterable)).  For
+        # more exotic cases, create a dictionary first using a dictionary
+        # comprehension or dict.fromkeys().
+        raise NotImplementedError(
+            'Counter.fromkeys() is undefined.  Use Counter(iterable) instead.')
+
+    def update(self, iterable=None, /, **kwds):
+        '''Like dict.update() but add counts instead of replacing them.
+
+        Source can be an iterable, a dictionary, or another Counter instance.
+
+        >>> c = Counter('which')
+        >>> c.update('witch')           # add elements from another iterable
+        >>> d = Counter('watch')
+        >>> c.update(d)                 # add elements from another counter
+        >>> c['h']                      # four 'h' in which, witch, and watch
+        4
+
+        '''
+        # The regular dict.update() operation makes no sense here because the
+        # replace behavior results in the some of original untouched counts
+        # being mixed-in with all of the other counts for a mismash that
+        # doesn't have a straight-forward interpretation in most counting
+        # contexts.  Instead, we implement straight-addition.  Both the inputs
+        # and outputs are allowed to contain zero and negative counts.
+
+        if iterable is not None:
+            if isinstance(iterable, _collections_abc.Mapping):
+                if self:
+                    self_get = self.get
+                    for elem, count in iterable.items():
+                        self[elem] = count + self_get(elem, 0)
+                else:
+                    # fast path when counter is empty
+                    super().update(iterable)
+            else:
+                _count_elements(self, iterable)
+        if kwds:
+            self.update(kwds)
+
+    def subtract(self, iterable=None, /, **kwds):
+        '''Like dict.update() but subtracts counts instead of replacing them.
+        Counts can be reduced below zero.  Both the inputs and outputs are
+        allowed to contain zero and negative counts.
+
+        Source can be an iterable, a dictionary, or another Counter instance.
+
+        >>> c = Counter('which')
+        >>> c.subtract('witch')             # subtract elements from another iterable
+        >>> c.subtract(Counter('watch'))    # subtract elements from another counter
+        >>> c['h']                          # 2 in which, minus 1 in witch, minus 1 in watch
+        0
+        >>> c['w']                          # 1 in which, minus 1 in witch, minus 1 in watch
+        -1
+
+        '''
+        if iterable is not None:
+            self_get = self.get
+            if isinstance(iterable, _collections_abc.Mapping):
+                for elem, count in iterable.items():
+                    self[elem] = self_get(elem, 0) - count
+            else:
+                for elem in iterable:
+                    self[elem] = self_get(elem, 0) - 1
+        if kwds:
+            self.subtract(kwds)
+
+    def copy(self):
+        'Return a shallow copy.'
+        return self.__class__(self)
+
+    def __reduce__(self):
+        return self.__class__, (dict(self),)
+
+    def __delitem__(self, elem):
+        'Like dict.__delitem__() but does not raise KeyError for missing values.'
+        if elem in self:
+            super().__delitem__(elem)
+
+    def __eq__(self, other):
+        'True if all counts agree. Missing counts are treated as zero.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return all(self[e] == other[e] for c in (self, other) for e in c)
+
+    def __ne__(self, other):
+        'True if any counts disagree. Missing counts are treated as zero.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return not self == other
+
+    def __le__(self, other):
+        'True if all counts in self are a subset of those in other.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return all(self[e] <= other[e] for c in (self, other) for e in c)
+
+    def __lt__(self, other):
+        'True if all counts in self are a proper subset of those in other.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return self <= other and self != other
+
+    def __ge__(self, other):
+        'True if all counts in self are a superset of those in other.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return all(self[e] >= other[e] for c in (self, other) for e in c)
+
+    def __gt__(self, other):
+        'True if all counts in self are a proper superset of those in other.'
+        if not isinstance(other, Counter):
+            return NotImplemented
+        return self >= other and self != other
+
+    def __repr__(self):
+        if not self:
+            return f'{self.__class__.__name__}()'
+        try:
+            # dict() preserves the ordering returned by most_common()
+            d = dict(self.most_common())
+        except TypeError:
+            # handle case where values are not orderable
+            d = dict(self)
+        return f'{self.__class__.__name__}({d!r})'
+
+    # Multiset-style mathematical operations discussed in:
+    #       Knuth TAOCP Volume II section 4.6.3 exercise 19
+    #       and at http://en.wikipedia.org/wiki/Multiset
+    #
+    # Outputs guaranteed to only include positive counts.
+    #
+    # To strip negative and zero counts, add-in an empty counter:
+    #       c += Counter()
+    #
+    # Results are ordered according to when an element is first
+    # encountered in the left operand and then by the order
+    # encountered in the right operand.
+    #
+    # When the multiplicities are all zero or one, multiset operations
+    # are guaranteed to be equivalent to the corresponding operations
+    # for regular sets.
+    #     Given counter multisets such as:
+    #         cp = Counter(a=1, b=0, c=1)
+    #         cq = Counter(c=1, d=0, e=1)
+    #     The corresponding regular sets would be:
+    #         sp = {'a', 'c'}
+    #         sq = {'c', 'e'}
+    #     All of the following relations would hold:
+    #         set(cp + cq) == sp | sq
+    #         set(cp - cq) == sp - sq
+    #         set(cp | cq) == sp | sq
+    #         set(cp & cq) == sp & sq
+    #         (cp == cq) == (sp == sq)
+    #         (cp != cq) == (sp != sq)
+    #         (cp <= cq) == (sp <= sq)
+    #         (cp < cq) == (sp < sq)
+    #         (cp >= cq) == (sp >= sq)
+    #         (cp > cq) == (sp > sq)
+
+    def __add__(self, other):
+        '''Add counts from two counters.
+
+        >>> Counter('abbb') + Counter('bcc')
+        Counter({'b': 4, 'c': 2, 'a': 1})
+
+        '''
+        if not isinstance(other, Counter):
+            return NotImplemented
+        result = Counter()
+        for elem, count in self.items():
+            newcount = count + other[elem]
+            if newcount > 0:
+                result[elem] = newcount
+        for elem, count in other.items():
+            if elem not in self and count > 0:
+                result[elem] = count
+        return result
+
+    def __sub__(self, other):
+        ''' Subtract count, but keep only results with positive counts.
+
+        >>> Counter('abbbc') - Counter('bccd')
+        Counter({'b': 2, 'a': 1})
+
+        '''
+        if not isinstance(other, Counter):
+            return NotImplemented
+        result = Counter()
+        for elem, count in self.items():
+            newcount = count - other[elem]
+            if newcount > 0:
+                result[elem] = newcount
+        for elem, count in other.items():
+            if elem not in self and count < 0:
+                result[elem] = 0 - count
+        return result
+
+    def __or__(self, other):
+        '''Union is the maximum of value in either of the input counters.
+
+        >>> Counter('abbb') | Counter('bcc')
+        Counter({'b': 3, 'c': 2, 'a': 1})
+
+        '''
+        if not isinstance(other, Counter):
+            return NotImplemented
+        result = Counter()
+        for elem, count in self.items():
+            other_count = other[elem]
+            newcount = other_count if count < other_count else count
+            if newcount > 0:
+                result[elem] = newcount
+        for elem, count in other.items():
+            if elem not in self and count > 0:
+                result[elem] = count
+        return result
+
+    def __and__(self, other):
+        ''' Intersection is the minimum of corresponding counts.
+
+        >>> Counter('abbb') & Counter('bcc')
+        Counter({'b': 1})
+
+        '''
+        if not isinstance(other, Counter):
+            return NotImplemented
+        result = Counter()
+        for elem, count in self.items():
+            other_count = other[elem]
+            newcount = count if count < other_count else other_count
+            if newcount > 0:
+                result[elem] = newcount
+        return result
+
+    def __pos__(self):
+        'Adds an empty counter, effectively stripping negative and zero counts'
+        result = Counter()
+        for elem, count in self.items():
+            if count > 0:
+                result[elem] = count
+        return result
+
+    def __neg__(self):
+        '''Subtracts from an empty counter.  Strips positive and zero counts,
+        and flips the sign on negative counts.
+
+        '''
+        result = Counter()
+        for elem, count in self.items():
+            if count < 0:
+                result[elem] = 0 - count
+        return result
+
+    def _keep_positive(self):
+        '''Internal method to strip elements with a negative or zero count'''
+        nonpositive = [elem for elem, count in self.items() if not count > 0]
+        for elem in nonpositive:
+            del self[elem]
+        return self
+
+    def __iadd__(self, other):
+        '''Inplace add from another counter, keeping only positive counts.
+
+        >>> c = Counter('abbb')
+        >>> c += Counter('bcc')
+        >>> c
+        Counter({'b': 4, 'c': 2, 'a': 1})
+
+        '''
+        for elem, count in other.items():
+            self[elem] += count
+        return self._keep_positive()
+
+    def __isub__(self, other):
+        '''Inplace subtract counter, but keep only results with positive counts.
+
+        >>> c = Counter('abbbc')
+        >>> c -= Counter('bccd')
+        >>> c
+        Counter({'b': 2, 'a': 1})
+
+        '''
+        for elem, count in other.items():
+            self[elem] -= count
+        return self._keep_positive()
+
+    def __ior__(self, other):
+        '''Inplace union is the maximum of value from either counter.
+
+        >>> c = Counter('abbb')
+        >>> c |= Counter('bcc')
+        >>> c
+        Counter({'b': 3, 'c': 2, 'a': 1})
+
+        '''
+        for elem, other_count in other.items():
+            count = self[elem]
+            if other_count > count:
+                self[elem] = other_count
+        return self._keep_positive()
+
+    def __iand__(self, other):
+        '''Inplace intersection is the minimum of corresponding counts.
+
+        >>> c = Counter('abbb')
+        >>> c &= Counter('bcc')
+        >>> c
+        Counter({'b': 1})
+
+        '''
+        for elem, count in self.items():
+            other_count = other[elem]
+            if other_count < count:
+                self[elem] = other_count
+        return self._keep_positive()
+
+
+########################################################################
+###  ChainMap
+########################################################################
+
+class ChainMap(_collections_abc.MutableMapping):
+    ''' A ChainMap groups multiple dicts (or other mappings) together
+    to create a single, updateable view.
+
+    The underlying mappings are stored in a list.  That list is public and can
+    be accessed or updated using the *maps* attribute.  There is no other
+    state.
+
+    Lookups search the underlying mappings successively until a key is found.
+    In contrast, writes, updates, and deletions only operate on the first
+    mapping.
+
+    '''
+
+    def __init__(self, *maps):
+        '''Initialize a ChainMap by setting *maps* to the given mappings.
+        If no mappings are provided, a single empty dictionary is used.
+
+        '''
+        self.maps = list(maps) or [{}]          # always at least one map
+
+    def __missing__(self, key):
+        raise KeyError(key)
+
+    def __getitem__(self, key):
+        for mapping in self.maps:
+            try:
+                return mapping[key]             # can't use 'key in mapping' with defaultdict
+            except KeyError:
+                pass
+        return self.__missing__(key)            # support subclasses that define __missing__
+
+    def get(self, key, default=None):
+        return self[key] if key in self else default
+
+    def __len__(self):
+        return len(set().union(*self.maps))     # reuses stored hash values if possible
+
+    def __iter__(self):
+        d = {}
+        for mapping in reversed(self.maps):
+            d.update(dict.fromkeys(mapping))    # reuses stored hash values if possible
+        return iter(d)
+
+    def __contains__(self, key):
+        return any(key in m for m in self.maps)
+
+    def __bool__(self):
+        return any(self.maps)
+
+    @_recursive_repr()
+    def __repr__(self):
+        return f'{self.__class__.__name__}({", ".join(map(repr, self.maps))})'
+
+    @classmethod
+    def fromkeys(cls, iterable, *args):
+        'Create a ChainMap with a single dict created from the iterable.'
+        return cls(dict.fromkeys(iterable, *args))
+
+    def copy(self):
+        'New ChainMap or subclass with a new copy of maps[0] and refs to maps[1:]'
+        return self.__class__(self.maps[0].copy(), *self.maps[1:])
+
+    __copy__ = copy
+
+    def new_child(self, m=None, **kwargs):      # like Django's Context.push()
+        '''New ChainMap with a new map followed by all previous maps.
+        If no map is provided, an empty dict is used.
+        Keyword arguments update the map or new empty dict.
+        '''
+        if m is None:
+            m = kwargs
+        elif kwargs:
+            m.update(kwargs)
+        return self.__class__(m, *self.maps)
+
+    @property
+    def parents(self):                          # like Django's Context.pop()
+        'New ChainMap from maps[1:].'
+        return self.__class__(*self.maps[1:])
+
+    def __setitem__(self, key, value):
+        self.maps[0][key] = value
+
+    def __delitem__(self, key):
+        try:
+            del self.maps[0][key]
+        except KeyError:
+            raise KeyError(f'Key not found in the first mapping: {key!r}')
+
+    def popitem(self):
+        'Remove and return an item pair from maps[0]. Raise KeyError is maps[0] is empty.'
+        try:
+            return self.maps[0].popitem()
+        except KeyError:
+            raise KeyError('No keys found in the first mapping.')
+
+    def pop(self, key, *args):
+        'Remove *key* from maps[0] and return its value. Raise KeyError if *key* not in maps[0].'
+        try:
+            return self.maps[0].pop(key, *args)
+        except KeyError:
+            raise KeyError(f'Key not found in the first mapping: {key!r}')
+
+    def clear(self):
+        'Clear maps[0], leaving maps[1:] intact.'
+        self.maps[0].clear()
+
+    def __ior__(self, other):
+        self.maps[0].update(other)
+        return self
+
+    def __or__(self, other):
+        if not isinstance(other, _collections_abc.Mapping):
+            return NotImplemented
+        m = self.copy()
+        m.maps[0].update(other)
+        return m
+
+    def __ror__(self, other):
+        if not isinstance(other, _collections_abc.Mapping):
+            return NotImplemented
+        m = dict(other)
+        for child in reversed(self.maps):
+            m.update(child)
+        return self.__class__(m)
+
+
+################################################################################
+### UserDict
+################################################################################
+
+class UserDict(_collections_abc.MutableMapping):
+
+    # Start by filling-out the abstract methods
+    def __init__(self, dict=None, /, **kwargs):
+        self.data = {}
+        if dict is not None:
+            self.update(dict)
+        if kwargs:
+            self.update(kwargs)
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, key):
+        if key in self.data:
+            return self.data[key]
+        if hasattr(self.__class__, "__missing__"):
+            return self.__class__.__missing__(self, key)
+        raise KeyError(key)
+
+    def __setitem__(self, key, item):
+        self.data[key] = item
+
+    def __delitem__(self, key):
+        del self.data[key]
+
+    def __iter__(self):
+        return iter(self.data)
+
+    # Modify __contains__ to work correctly when __missing__ is present
+    def __contains__(self, key):
+        return key in self.data
+
+    # Now, add the methods in dicts but not in MutableMapping
+    def __repr__(self):
+        return repr(self.data)
+
+    def __or__(self, other):
+        if isinstance(other, UserDict):
+            return self.__class__(self.data | other.data)
+        if isinstance(other, dict):
+            return self.__class__(self.data | other)
+        return NotImplemented
+
+    def __ror__(self, other):
+        if isinstance(other, UserDict):
+            return self.__class__(other.data | self.data)
+        if isinstance(other, dict):
+            return self.__class__(other | self.data)
+        return NotImplemented
+
+    def __ior__(self, other):
+        if isinstance(other, UserDict):
+            self.data |= other.data
+        else:
+            self.data |= other
+        return self
+
+    def __copy__(self):
+        inst = self.__class__.__new__(self.__class__)
+        inst.__dict__.update(self.__dict__)
+        # Create a copy and avoid triggering descriptors
+        inst.__dict__["data"] = self.__dict__["data"].copy()
+        return inst
+
+    def copy(self):
+        if self.__class__ is UserDict:
+            return UserDict(self.data.copy())
+        import copy
+        data = self.data
+        try:
+            self.data = {}
+            c = copy.copy(self)
+        finally:
+            self.data = data
+        c.update(self)
+        return c
+
+    @classmethod
+    def fromkeys(cls, iterable, value=None):
+        d = cls()
+        for key in iterable:
+            d[key] = value
+        return d
+
+
+################################################################################
+### UserList
+################################################################################
+
+class UserList(_collections_abc.MutableSequence):
+    """A more or less complete user-defined wrapper around list objects."""
+
+    def __init__(self, initlist=None):
+        self.data = []
+        if initlist is not None:
+            # XXX should this accept an arbitrary sequence?
+            if type(initlist) == type(self.data):
+                self.data[:] = initlist
+            elif isinstance(initlist, UserList):
+                self.data[:] = initlist.data[:]
+            else:
+                self.data = list(initlist)
+
+    def __repr__(self):
+        return repr(self.data)
+
+    def __lt__(self, other):
+        return self.data < self.__cast(other)
+
+    def __le__(self, other):
+        return self.data <= self.__cast(other)
+
+    def __eq__(self, other):
+        return self.data == self.__cast(other)
+
+    def __gt__(self, other):
+        return self.data > self.__cast(other)
+
+    def __ge__(self, other):
+        return self.data >= self.__cast(other)
+
+    def __cast(self, other):
+        return other.data if isinstance(other, UserList) else other
+
+    def __contains__(self, item):
+        return item in self.data
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, i):
+        if isinstance(i, slice):
+            return self.__class__(self.data[i])
+        else:
+            return self.data[i]
+
+    def __setitem__(self, i, item):
+        self.data[i] = item
+
+    def __delitem__(self, i):
+        del self.data[i]
+
+    def __add__(self, other):
+        if isinstance(other, UserList):
+            return self.__class__(self.data + other.data)
+        elif isinstance(other, type(self.data)):
+            return self.__class__(self.data + other)
+        return self.__class__(self.data + list(other))
+
+    def __radd__(self, other):
+        if isinstance(other, UserList):
+            return self.__class__(other.data + self.data)
+        elif isinstance(other, type(self.data)):
+            return self.__class__(other + self.data)
+        return self.__class__(list(other) + self.data)
+
+    def __iadd__(self, other):
+        if isinstance(other, UserList):
+            self.data += other.data
+        elif isinstance(other, type(self.data)):
+            self.data += other
+        else:
+            self.data += list(other)
+        return self
+
+    def __mul__(self, n):
+        return self.__class__(self.data * n)
+
+    __rmul__ = __mul__
+
+    def __imul__(self, n):
+        self.data *= n
+        return self
+
+    def __copy__(self):
+        inst = self.__class__.__new__(self.__class__)
+        inst.__dict__.update(self.__dict__)
+        # Create a copy and avoid triggering descriptors
+        inst.__dict__["data"] = self.__dict__["data"][:]
+        return inst
+
+    def append(self, item):
+        self.data.append(item)
+
+    def insert(self, i, item):
+        self.data.insert(i, item)
+
+    def pop(self, i=-1):
+        return self.data.pop(i)
+
+    def remove(self, item):
+        self.data.remove(item)
+
+    def clear(self):
+        self.data.clear()
+
+    def copy(self):
+        return self.__class__(self)
+
+    def count(self, item):
+        return self.data.count(item)
+
+    def index(self, item, *args):
+        return self.data.index(item, *args)
+
+    def reverse(self):
+        self.data.reverse()
+
+    def sort(self, /, *args, **kwds):
+        self.data.sort(*args, **kwds)
+
+    def extend(self, other):
+        if isinstance(other, UserList):
+            self.data.extend(other.data)
+        else:
+            self.data.extend(other)
+
+
+################################################################################
+### UserString
+################################################################################
+
+class UserString(_collections_abc.Sequence):
+
+    def __init__(self, seq):
+        if isinstance(seq, str):
+            self.data = seq
+        elif isinstance(seq, UserString):
+            self.data = seq.data[:]
+        else:
+            self.data = str(seq)
+
+    def __str__(self):
+        return str(self.data)
+
+    def __repr__(self):
+        return repr(self.data)
+
+    def __int__(self):
+        return int(self.data)
+
+    def __float__(self):
+        return float(self.data)
+
+    def __complex__(self):
+        return complex(self.data)
+
+    def __hash__(self):
+        return hash(self.data)
+
+    def __getnewargs__(self):
+        return (self.data[:],)
+
+    def __eq__(self, string):
+        if isinstance(string, UserString):
+            return self.data == string.data
+        return self.data == string
+
+    def __lt__(self, string):
+        if isinstance(string, UserString):
+            return self.data < string.data
+        return self.data < string
+
+    def __le__(self, string):
+        if isinstance(string, UserString):
+            return self.data <= string.data
+        return self.data <= string
+
+    def __gt__(self, string):
+        if isinstance(string, UserString):
+            return self.data > string.data
+        return self.data > string
+
+    def __ge__(self, string):
+        if isinstance(string, UserString):
+            return self.data >= string.data
+        return self.data >= string
+
+    def __contains__(self, char):
+        if isinstance(char, UserString):
+            char = char.data
+        return char in self.data
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, index):
+        return self.__class__(self.data[index])
+
+    def __add__(self, other):
+        if isinstance(other, UserString):
+            return self.__class__(self.data + other.data)
+        elif isinstance(other, str):
+            return self.__class__(self.data + other)
+        return self.__class__(self.data + str(other))
+
+    def __radd__(self, other):
+        if isinstance(other, str):
+            return self.__class__(other + self.data)
+        return self.__class__(str(other) + self.data)
+
+    def __mul__(self, n):
+        return self.__class__(self.data * n)
+
+    __rmul__ = __mul__
+
+    def __mod__(self, args):
+        return self.__class__(self.data % args)
+
+    def __rmod__(self, template):
+        return self.__class__(str(template) % self)
+
+    # the following methods are defined in alphabetical order:
+    def capitalize(self):
+        return self.__class__(self.data.capitalize())
+
+    def casefold(self):
+        return self.__class__(self.data.casefold())
+
+    def center(self, width, *args):
+        return self.__class__(self.data.center(width, *args))
+
+    def count(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, UserString):
+            sub = sub.data
+        return self.data.count(sub, start, end)
+
+    def removeprefix(self, prefix, /):
+        if isinstance(prefix, UserString):
+            prefix = prefix.data
+        return self.__class__(self.data.removeprefix(prefix))
+
+    def removesuffix(self, suffix, /):
+        if isinstance(suffix, UserString):
+            suffix = suffix.data
+        return self.__class__(self.data.removesuffix(suffix))
+
+    def encode(self, encoding='utf-8', errors='strict'):
+        encoding = 'utf-8' if encoding is None else encoding
+        errors = 'strict' if errors is None else errors
+        return self.data.encode(encoding, errors)
+
+    def endswith(self, suffix, start=0, end=_sys.maxsize):
+        return self.data.endswith(suffix, start, end)
+
+    def expandtabs(self, tabsize=8):
+        return self.__class__(self.data.expandtabs(tabsize))
+
+    def find(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, UserString):
+            sub = sub.data
+        return self.data.find(sub, start, end)
+
+    def format(self, /, *args, **kwds):
+        return self.data.format(*args, **kwds)
+
+    def format_map(self, mapping):
+        return self.data.format_map(mapping)
+
+    def index(self, sub, start=0, end=_sys.maxsize):
+        return self.data.index(sub, start, end)
+
+    def isalpha(self):
+        return self.data.isalpha()
+
+    def isalnum(self):
+        return self.data.isalnum()
+
+    def isascii(self):
+        return self.data.isascii()
+
+    def isdecimal(self):
+        return self.data.isdecimal()
+
+    def isdigit(self):
+        return self.data.isdigit()
+
+    def isidentifier(self):
+        return self.data.isidentifier()
+
+    def islower(self):
+        return self.data.islower()
+
+    def isnumeric(self):
+        return self.data.isnumeric()
+
+    def isprintable(self):
+        return self.data.isprintable()
+
+    def isspace(self):
+        return self.data.isspace()
+
+    def istitle(self):
+        return self.data.istitle()
+
+    def isupper(self):
+        return self.data.isupper()
+
+    def join(self, seq):
+        return self.data.join(seq)
+
+    def ljust(self, width, *args):
+        return self.__class__(self.data.ljust(width, *args))
+
+    def lower(self):
+        return self.__class__(self.data.lower())
+
+    def lstrip(self, chars=None):
+        return self.__class__(self.data.lstrip(chars))
+
+    maketrans = str.maketrans
+
+    def partition(self, sep):
+        return self.data.partition(sep)
+
+    def replace(self, old, new, maxsplit=-1):
+        if isinstance(old, UserString):
+            old = old.data
+        if isinstance(new, UserString):
+            new = new.data
+        return self.__class__(self.data.replace(old, new, maxsplit))
+
+    def rfind(self, sub, start=0, end=_sys.maxsize):
+        if isinstance(sub, UserString):
+            sub = sub.data
+        return self.data.rfind(sub, start, end)
+
+    def rindex(self, sub, start=0, end=_sys.maxsize):
+        return self.data.rindex(sub, start, end)
+
+    def rjust(self, width, *args):
+        return self.__class__(self.data.rjust(width, *args))
+
+    def rpartition(self, sep):
+        return self.data.rpartition(sep)
+
+    def rstrip(self, chars=None):
+        return self.__class__(self.data.rstrip(chars))
+
+    def split(self, sep=None, maxsplit=-1):
+        return self.data.split(sep, maxsplit)
+
+    def rsplit(self, sep=None, maxsplit=-1):
+        return self.data.rsplit(sep, maxsplit)
+
+    def splitlines(self, keepends=False):
+        return self.data.splitlines(keepends)
+
+    def startswith(self, prefix, start=0, end=_sys.maxsize):
+        return self.data.startswith(prefix, start, end)
+
+    def strip(self, chars=None):
+        return self.__class__(self.data.strip(chars))
+
+    def swapcase(self):
+        return self.__class__(self.data.swapcase())
+
+    def title(self):
+        return self.__class__(self.data.title())
+
+    def translate(self, *args):
+        return self.__class__(self.data.translate(*args))
+
+    def upper(self):
+        return self.__class__(self.data.upper())
+
+    def zfill(self, width):
+        return self.__class__(self.data.zfill(width))

evalkit_llava/lib/python3.10/dataclasses.py

@@ -0,0 +1,1453 @@
+import re
+import sys
+import copy
+import types
+import inspect
+import keyword
+import builtins
+import functools
+import abc
+import _thread
+from types import FunctionType, GenericAlias
+
+
+__all__ = ['dataclass',
+           'field',
+           'Field',
+           'FrozenInstanceError',
+           'InitVar',
+           'KW_ONLY',
+           'MISSING',
+
+           # Helper functions.
+           'fields',
+           'asdict',
+           'astuple',
+           'make_dataclass',
+           'replace',
+           'is_dataclass',
+           ]
+
+# Conditions for adding methods.  The boxes indicate what action the
+# dataclass decorator takes.  For all of these tables, when I talk
+# about init=, repr=, eq=, order=, unsafe_hash=, or frozen=, I'm
+# referring to the arguments to the @dataclass decorator.  When
+# checking if a dunder method already exists, I mean check for an
+# entry in the class's __dict__.  I never check to see if an attribute
+# is defined in a base class.
+
+# Key:
+# +=========+=========================================+
+# + Value   | Meaning                                 |
+# +=========+=========================================+
+# | <blank> | No action: no method is added.          |
+# +---------+-----------------------------------------+
+# | add     | Generated method is added.              |
+# +---------+-----------------------------------------+
+# | raise   | TypeError is raised.                    |
+# +---------+-----------------------------------------+
+# | None    | Attribute is set to None.               |
+# +=========+=========================================+
+
+# __init__
+#
+#   +--- init= parameter
+#   |
+#   v     |       |       |
+#         |  no   |  yes  |  <--- class has __init__ in __dict__?
+# +=======+=======+=======+
+# | False |       |       |
+# +-------+-------+-------+
+# | True  | add   |       |  <- the default
+# +=======+=======+=======+
+
+# __repr__
+#
+#    +--- repr= parameter
+#    |
+#    v    |       |       |
+#         |  no   |  yes  |  <--- class has __repr__ in __dict__?
+# +=======+=======+=======+
+# | False |       |       |
+# +-------+-------+-------+
+# | True  | add   |       |  <- the default
+# +=======+=======+=======+
+
+
+# __setattr__
+# __delattr__
+#
+#    +--- frozen= parameter
+#    |
+#    v    |       |       |
+#         |  no   |  yes  |  <--- class has __setattr__ or __delattr__ in __dict__?
+# +=======+=======+=======+
+# | False |       |       |  <- the default
+# +-------+-------+-------+
+# | True  | add   | raise |
+# +=======+=======+=======+
+# Raise because not adding these methods would break the "frozen-ness"
+# of the class.
+
+# __eq__
+#
+#    +--- eq= parameter
+#    |
+#    v    |       |       |
+#         |  no   |  yes  |  <--- class has __eq__ in __dict__?
+# +=======+=======+=======+
+# | False |       |       |
+# +-------+-------+-------+
+# | True  | add   |       |  <- the default
+# +=======+=======+=======+
+
+# __lt__
+# __le__
+# __gt__
+# __ge__
+#
+#    +--- order= parameter
+#    |
+#    v    |       |       |
+#         |  no   |  yes  |  <--- class has any comparison method in __dict__?
+# +=======+=======+=======+
+# | False |       |       |  <- the default
+# +-------+-------+-------+
+# | True  | add   | raise |
+# +=======+=======+=======+
+# Raise because to allow this case would interfere with using
+# functools.total_ordering.
+
+# __hash__
+
+#    +------------------- unsafe_hash= parameter
+#    |       +----------- eq= parameter
+#    |       |       +--- frozen= parameter
+#    |       |       |
+#    v       v       v    |        |        |
+#                         |   no   |  yes   |  <--- class has explicitly defined __hash__
+# +=======+=======+=======+========+========+
+# | False | False | False |        |        | No __eq__, use the base class __hash__
+# +-------+-------+-------+--------+--------+
+# | False | False | True  |        |        | No __eq__, use the base class __hash__
+# +-------+-------+-------+--------+--------+
+# | False | True  | False | None   |        | <-- the default, not hashable
+# +-------+-------+-------+--------+--------+
+# | False | True  | True  | add    |        | Frozen, so hashable, allows override
+# +-------+-------+-------+--------+--------+
+# | True  | False | False | add    | raise  | Has no __eq__, but hashable
+# +-------+-------+-------+--------+--------+
+# | True  | False | True  | add    | raise  | Has no __eq__, but hashable
+# +-------+-------+-------+--------+--------+
+# | True  | True  | False | add    | raise  | Not frozen, but hashable
+# +-------+-------+-------+--------+--------+
+# | True  | True  | True  | add    | raise  | Frozen, so hashable
+# +=======+=======+=======+========+========+
+# For boxes that are blank, __hash__ is untouched and therefore
+# inherited from the base class.  If the base is object, then
+# id-based hashing is used.
+#
+# Note that a class may already have __hash__=None if it specified an
+# __eq__ method in the class body (not one that was created by
+# @dataclass).
+#
+# See _hash_action (below) for a coded version of this table.
+
+# __match_args__
+#
+#    +--- match_args= parameter
+#    |
+#    v    |       |       |
+#         |  no   |  yes  |  <--- class has __match_args__ in __dict__?
+# +=======+=======+=======+
+# | False |       |       |
+# +-------+-------+-------+
+# | True  | add   |       |  <- the default
+# +=======+=======+=======+
+# __match_args__ is always added unless the class already defines it. It is a
+# tuple of __init__ parameter names; non-init fields must be matched by keyword.
+
+
+# Raised when an attempt is made to modify a frozen class.
+class FrozenInstanceError(AttributeError): pass
+
+# A sentinel object for default values to signal that a default
+# factory will be used.  This is given a nice repr() which will appear
+# in the function signature of dataclasses' constructors.
+class _HAS_DEFAULT_FACTORY_CLASS:
+    def __repr__(self):
+        return '<factory>'
+_HAS_DEFAULT_FACTORY = _HAS_DEFAULT_FACTORY_CLASS()
+
+# A sentinel object to detect if a parameter is supplied or not.  Use
+# a class to give it a better repr.
+class _MISSING_TYPE:
+    pass
+MISSING = _MISSING_TYPE()
+
+# A sentinel object to indicate that following fields are keyword-only by
+# default.  Use a class to give it a better repr.
+class _KW_ONLY_TYPE:
+    pass
+KW_ONLY = _KW_ONLY_TYPE()
+
+# Since most per-field metadata will be unused, create an empty
+# read-only proxy that can be shared among all fields.
+_EMPTY_METADATA = types.MappingProxyType({})
+
+# Markers for the various kinds of fields and pseudo-fields.
+class _FIELD_BASE:
+    def __init__(self, name):
+        self.name = name
+    def __repr__(self):
+        return self.name
+_FIELD = _FIELD_BASE('_FIELD')
+_FIELD_CLASSVAR = _FIELD_BASE('_FIELD_CLASSVAR')
+_FIELD_INITVAR = _FIELD_BASE('_FIELD_INITVAR')
+
+# The name of an attribute on the class where we store the Field
+# objects.  Also used to check if a class is a Data Class.
+_FIELDS = '__dataclass_fields__'
+
+# The name of an attribute on the class that stores the parameters to
+# @dataclass.
+_PARAMS = '__dataclass_params__'
+
+# The name of the function, that if it exists, is called at the end of
+# __init__.
+_POST_INIT_NAME = '__post_init__'
+
+# String regex that string annotations for ClassVar or InitVar must match.
+# Allows "identifier.identifier[" or "identifier[".
+# https://bugs.python.org/issue33453 for details.
+_MODULE_IDENTIFIER_RE = re.compile(r'^(?:\s*(\w+)\s*\.)?\s*(\w+)')
+
+# This function's logic is copied from "recursive_repr" function in
+# reprlib module to avoid dependency.
+def _recursive_repr(user_function):
+    # Decorator to make a repr function return "..." for a recursive
+    # call.
+    repr_running = set()
+
+    @functools.wraps(user_function)
+    def wrapper(self):
+        key = id(self), _thread.get_ident()
+        if key in repr_running:
+            return '...'
+        repr_running.add(key)
+        try:
+            result = user_function(self)
+        finally:
+            repr_running.discard(key)
+        return result
+    return wrapper
+
+class InitVar:
+    __slots__ = ('type', )
+
+    def __init__(self, type):
+        self.type = type
+
+    def __repr__(self):
+        if isinstance(self.type, type) and not isinstance(self.type, GenericAlias):
+            type_name = self.type.__name__
+        else:
+            # typing objects, e.g. List[int]
+            type_name = repr(self.type)
+        return f'dataclasses.InitVar[{type_name}]'
+
+    def __class_getitem__(cls, type):
+        return InitVar(type)
+
+# Instances of Field are only ever created from within this module,
+# and only from the field() function, although Field instances are
+# exposed externally as (conceptually) read-only objects.
+#
+# name and type are filled in after the fact, not in __init__.
+# They're not known at the time this class is instantiated, but it's
+# convenient if they're available later.
+#
+# When cls._FIELDS is filled in with a list of Field objects, the name
+# and type fields will have been populated.
+class Field:
+    __slots__ = ('name',
+                 'type',
+                 'default',
+                 'default_factory',
+                 'repr',
+                 'hash',
+                 'init',
+                 'compare',
+                 'metadata',
+                 'kw_only',
+                 '_field_type',  # Private: not to be used by user code.
+                 )
+
+    def __init__(self, default, default_factory, init, repr, hash, compare,
+                 metadata, kw_only):
+        self.name = None
+        self.type = None
+        self.default = default
+        self.default_factory = default_factory
+        self.init = init
+        self.repr = repr
+        self.hash = hash
+        self.compare = compare
+        self.metadata = (_EMPTY_METADATA
+                         if metadata is None else
+                         types.MappingProxyType(metadata))
+        self.kw_only = kw_only
+        self._field_type = None
+
+    @_recursive_repr
+    def __repr__(self):
+        return ('Field('
+                f'name={self.name!r},'
+                f'type={self.type!r},'
+                f'default={self.default!r},'
+                f'default_factory={self.default_factory!r},'
+                f'init={self.init!r},'
+                f'repr={self.repr!r},'
+                f'hash={self.hash!r},'
+                f'compare={self.compare!r},'
+                f'metadata={self.metadata!r},'
+                f'kw_only={self.kw_only!r},'
+                f'_field_type={self._field_type}'
+                ')')
+
+    # This is used to support the PEP 487 __set_name__ protocol in the
+    # case where we're using a field that contains a descriptor as a
+    # default value.  For details on __set_name__, see
+    # https://www.python.org/dev/peps/pep-0487/#implementation-details.
+    #
+    # Note that in _process_class, this Field object is overwritten
+    # with the default value, so the end result is a descriptor that
+    # had __set_name__ called on it at the right time.
+    def __set_name__(self, owner, name):
+        func = getattr(type(self.default), '__set_name__', None)
+        if func:
+            # There is a __set_name__ method on the descriptor, call
+            # it.
+            func(self.default, owner, name)
+
+    __class_getitem__ = classmethod(GenericAlias)
+
+
+class _DataclassParams:
+    __slots__ = ('init',
+                 'repr',
+                 'eq',
+                 'order',
+                 'unsafe_hash',
+                 'frozen',
+                 )
+
+    def __init__(self, init, repr, eq, order, unsafe_hash, frozen):
+        self.init = init
+        self.repr = repr
+        self.eq = eq
+        self.order = order
+        self.unsafe_hash = unsafe_hash
+        self.frozen = frozen
+
+    def __repr__(self):
+        return ('_DataclassParams('
+                f'init={self.init!r},'
+                f'repr={self.repr!r},'
+                f'eq={self.eq!r},'
+                f'order={self.order!r},'
+                f'unsafe_hash={self.unsafe_hash!r},'
+                f'frozen={self.frozen!r}'
+                ')')
+
+
+# This function is used instead of exposing Field creation directly,
+# so that a type checker can be told (via overloads) that this is a
+# function whose type depends on its parameters.
+def field(*, default=MISSING, default_factory=MISSING, init=True, repr=True,
+          hash=None, compare=True, metadata=None, kw_only=MISSING):
+    """Return an object to identify dataclass fields.
+
+    default is the default value of the field.  default_factory is a
+    0-argument function called to initialize a field's value.  If init
+    is true, the field will be a parameter to the class's __init__()
+    function.  If repr is true, the field will be included in the
+    object's repr().  If hash is true, the field will be included in the
+    object's hash().  If compare is true, the field will be used in
+    comparison functions.  metadata, if specified, must be a mapping
+    which is stored but not otherwise examined by dataclass.  If kw_only
+    is true, the field will become a keyword-only parameter to
+    __init__().
+
+    It is an error to specify both default and default_factory.
+    """
+
+    if default is not MISSING and default_factory is not MISSING:
+        raise ValueError('cannot specify both default and default_factory')
+    return Field(default, default_factory, init, repr, hash, compare,
+                 metadata, kw_only)
+
+
+def _fields_in_init_order(fields):
+    # Returns the fields as __init__ will output them.  It returns 2 tuples:
+    # the first for normal args, and the second for keyword args.
+
+    return (tuple(f for f in fields if f.init and not f.kw_only),
+            tuple(f for f in fields if f.init and f.kw_only)
+            )
+
+
+def _tuple_str(obj_name, fields):
+    # Return a string representing each field of obj_name as a tuple
+    # member.  So, if fields is ['x', 'y'] and obj_name is "self",
+    # return "(self.x,self.y)".
+
+    # Special case for the 0-tuple.
+    if not fields:
+        return '()'
+    # Note the trailing comma, needed if this turns out to be a 1-tuple.
+    return f'({",".join([f"{obj_name}.{f.name}" for f in fields])},)'
+
+
+def _create_fn(name, args, body, *, globals=None, locals=None,
+               return_type=MISSING):
+    # Note that we may mutate locals. Callers beware!
+    # The only callers are internal to this module, so no
+    # worries about external callers.
+    if locals is None:
+        locals = {}
+    return_annotation = ''
+    if return_type is not MISSING:
+        locals['_return_type'] = return_type
+        return_annotation = '->_return_type'
+    args = ','.join(args)
+    body = '\n'.join(f'  {b}' for b in body)
+
+    # Compute the text of the entire function.
+    txt = f' def {name}({args}){return_annotation}:\n{body}'
+
+    local_vars = ', '.join(locals.keys())
+    txt = f"def __create_fn__({local_vars}):\n{txt}\n return {name}"
+    ns = {}
+    exec(txt, globals, ns)
+    return ns['__create_fn__'](**locals)
+
+
+def _field_assign(frozen, name, value, self_name):
+    # If we're a frozen class, then assign to our fields in __init__
+    # via object.__setattr__.  Otherwise, just use a simple
+    # assignment.
+    #
+    # self_name is what "self" is called in this function: don't
+    # hard-code "self", since that might be a field name.
+    if frozen:
+        return f'__dataclass_builtins_object__.__setattr__({self_name},{name!r},{value})'
+    return f'{self_name}.{name}={value}'
+
+
+def _field_init(f, frozen, globals, self_name, slots):
+    # Return the text of the line in the body of __init__ that will
+    # initialize this field.
+
+    default_name = f'_dflt_{f.name}'
+    if f.default_factory is not MISSING:
+        if f.init:
+            # This field has a default factory.  If a parameter is
+            # given, use it.  If not, call the factory.
+            globals[default_name] = f.default_factory
+            value = (f'{default_name}() '
+                     f'if {f.name} is _HAS_DEFAULT_FACTORY '
+                     f'else {f.name}')
+        else:
+            # This is a field that's not in the __init__ params, but
+            # has a default factory function.  It needs to be
+            # initialized here by calling the factory function,
+            # because there's no other way to initialize it.
+
+            # For a field initialized with a default=defaultvalue, the
+            # class dict just has the default value
+            # (cls.fieldname=defaultvalue).  But that won't work for a
+            # default factory, the factory must be called in __init__
+            # and we must assign that to self.fieldname.  We can't
+            # fall back to the class dict's value, both because it's
+            # not set, and because it might be different per-class
+            # (which, after all, is why we have a factory function!).
+
+            globals[default_name] = f.default_factory
+            value = f'{default_name}()'
+    else:
+        # No default factory.
+        if f.init:
+            if f.default is MISSING:
+                # There's no default, just do an assignment.
+                value = f.name
+            elif f.default is not MISSING:
+                globals[default_name] = f.default
+                value = f.name
+        else:
+            # If the class has slots, then initialize this field.
+            if slots and f.default is not MISSING:
+                globals[default_name] = f.default
+                value = default_name
+            else:
+                # This field does not need initialization: reading from it will
+                # just use the class attribute that contains the default.
+                # Signify that to the caller by returning None.
+                return None
+
+    # Only test this now, so that we can create variables for the
+    # default.  However, return None to signify that we're not going
+    # to actually do the assignment statement for InitVars.
+    if f._field_type is _FIELD_INITVAR:
+        return None
+
+    # Now, actually generate the field assignment.
+    return _field_assign(frozen, f.name, value, self_name)
+
+
+def _init_param(f):
+    # Return the __init__ parameter string for this field.  For
+    # example, the equivalent of 'x:int=3' (except instead of 'int',
+    # reference a variable set to int, and instead of '3', reference a
+    # variable set to 3).
+    if f.default is MISSING and f.default_factory is MISSING:
+        # There's no default, and no default_factory, just output the
+        # variable name and type.
+        default = ''
+    elif f.default is not MISSING:
+        # There's a default, this will be the name that's used to look
+        # it up.
+        default = f'=_dflt_{f.name}'
+    elif f.default_factory is not MISSING:
+        # There's a factory function.  Set a marker.
+        default = '=_HAS_DEFAULT_FACTORY'
+    return f'{f.name}:_type_{f.name}{default}'
+
+
+def _init_fn(fields, std_fields, kw_only_fields, frozen, has_post_init,
+             self_name, globals, slots):
+    # fields contains both real fields and InitVar pseudo-fields.
+
+    # Make sure we don't have fields without defaults following fields
+    # with defaults.  This actually would be caught when exec-ing the
+    # function source code, but catching it here gives a better error
+    # message, and future-proofs us in case we build up the function
+    # using ast.
+
+    seen_default = False
+    for f in std_fields:
+        # Only consider the non-kw-only fields in the __init__ call.
+        if f.init:
+            if not (f.default is MISSING and f.default_factory is MISSING):
+                seen_default = True
+            elif seen_default:
+                raise TypeError(f'non-default argument {f.name!r} '
+                                'follows default argument')
+
+    locals = {f'_type_{f.name}': f.type for f in fields}
+    locals.update({
+        'MISSING': MISSING,
+        '_HAS_DEFAULT_FACTORY': _HAS_DEFAULT_FACTORY,
+        '__dataclass_builtins_object__': object,
+    })
+
+    body_lines = []
+    for f in fields:
+        line = _field_init(f, frozen, locals, self_name, slots)
+        # line is None means that this field doesn't require
+        # initialization (it's a pseudo-field).  Just skip it.
+        if line:
+            body_lines.append(line)
+
+    # Does this class have a post-init function?
+    if has_post_init:
+        params_str = ','.join(f.name for f in fields
+                              if f._field_type is _FIELD_INITVAR)
+        body_lines.append(f'{self_name}.{_POST_INIT_NAME}({params_str})')
+
+    # If no body lines, use 'pass'.
+    if not body_lines:
+        body_lines = ['pass']
+
+    _init_params = [_init_param(f) for f in std_fields]
+    if kw_only_fields:
+        # Add the keyword-only args.  Because the * can only be added if
+        # there's at least one keyword-only arg, there needs to be a test here
+        # (instead of just concatenting the lists together).
+        _init_params += ['*']
+        _init_params += [_init_param(f) for f in kw_only_fields]
+    return _create_fn('__init__',
+                      [self_name] + _init_params,
+                      body_lines,
+                      locals=locals,
+                      globals=globals,
+                      return_type=None)
+
+
+def _repr_fn(fields, globals):
+    fn = _create_fn('__repr__',
+                    ('self',),
+                    ['return self.__class__.__qualname__ + f"(' +
+                     ', '.join([f"{f.name}={{self.{f.name}!r}}"
+                                for f in fields]) +
+                     ')"'],
+                     globals=globals)
+    return _recursive_repr(fn)
+
+
+def _frozen_get_del_attr(cls, fields, globals):
+    locals = {'cls': cls,
+              'FrozenInstanceError': FrozenInstanceError}
+    if fields:
+        fields_str = '(' + ','.join(repr(f.name) for f in fields) + ',)'
+    else:
+        # Special case for the zero-length tuple.
+        fields_str = '()'
+    return (_create_fn('__setattr__',
+                      ('self', 'name', 'value'),
+                      (f'if type(self) is cls or name in {fields_str}:',
+                        ' raise FrozenInstanceError(f"cannot assign to field {name!r}")',
+                       f'super(cls, self).__setattr__(name, value)'),
+                       locals=locals,
+                       globals=globals),
+            _create_fn('__delattr__',
+                      ('self', 'name'),
+                      (f'if type(self) is cls or name in {fields_str}:',
+                        ' raise FrozenInstanceError(f"cannot delete field {name!r}")',
+                       f'super(cls, self).__delattr__(name)'),
+                       locals=locals,
+                       globals=globals),
+            )
+
+
+def _cmp_fn(name, op, self_tuple, other_tuple, globals):
+    # Create a comparison function.  If the fields in the object are
+    # named 'x' and 'y', then self_tuple is the string
+    # '(self.x,self.y)' and other_tuple is the string
+    # '(other.x,other.y)'.
+
+    return _create_fn(name,
+                      ('self', 'other'),
+                      [ 'if other.__class__ is self.__class__:',
+                       f' return {self_tuple}{op}{other_tuple}',
+                        'return NotImplemented'],
+                      globals=globals)
+
+
+def _hash_fn(fields, globals):
+    self_tuple = _tuple_str('self', fields)
+    return _create_fn('__hash__',
+                      ('self',),
+                      [f'return hash({self_tuple})'],
+                      globals=globals)
+
+
+def _is_classvar(a_type, typing):
+    # This test uses a typing internal class, but it's the best way to
+    # test if this is a ClassVar.
+    return (a_type is typing.ClassVar
+            or (type(a_type) is typing._GenericAlias
+                and a_type.__origin__ is typing.ClassVar))
+
+
+def _is_initvar(a_type, dataclasses):
+    # The module we're checking against is the module we're
+    # currently in (dataclasses.py).
+    return (a_type is dataclasses.InitVar
+            or type(a_type) is dataclasses.InitVar)
+
+def _is_kw_only(a_type, dataclasses):
+    return a_type is dataclasses.KW_ONLY
+
+
+def _is_type(annotation, cls, a_module, a_type, is_type_predicate):
+    # Given a type annotation string, does it refer to a_type in
+    # a_module?  For example, when checking that annotation denotes a
+    # ClassVar, then a_module is typing, and a_type is
+    # typing.ClassVar.
+
+    # It's possible to look up a_module given a_type, but it involves
+    # looking in sys.modules (again!), and seems like a waste since
+    # the caller already knows a_module.
+
+    # - annotation is a string type annotation
+    # - cls is the class that this annotation was found in
+    # - a_module is the module we want to match
+    # - a_type is the type in that module we want to match
+    # - is_type_predicate is a function called with (obj, a_module)
+    #   that determines if obj is of the desired type.
+
+    # Since this test does not do a local namespace lookup (and
+    # instead only a module (global) lookup), there are some things it
+    # gets wrong.
+
+    # With string annotations, cv0 will be detected as a ClassVar:
+    #   CV = ClassVar
+    #   @dataclass
+    #   class C0:
+    #     cv0: CV
+
+    # But in this example cv1 will not be detected as a ClassVar:
+    #   @dataclass
+    #   class C1:
+    #     CV = ClassVar
+    #     cv1: CV
+
+    # In C1, the code in this function (_is_type) will look up "CV" in
+    # the module and not find it, so it will not consider cv1 as a
+    # ClassVar.  This is a fairly obscure corner case, and the best
+    # way to fix it would be to eval() the string "CV" with the
+    # correct global and local namespaces.  However that would involve
+    # a eval() penalty for every single field of every dataclass
+    # that's defined.  It was judged not worth it.
+
+    match = _MODULE_IDENTIFIER_RE.match(annotation)
+    if match:
+        ns = None
+        module_name = match.group(1)
+        if not module_name:
+            # No module name, assume the class's module did
+            # "from dataclasses import InitVar".
+            ns = sys.modules.get(cls.__module__).__dict__
+        else:
+            # Look up module_name in the class's module.
+            module = sys.modules.get(cls.__module__)
+            if module and module.__dict__.get(module_name) is a_module:
+                ns = sys.modules.get(a_type.__module__).__dict__
+        if ns and is_type_predicate(ns.get(match.group(2)), a_module):
+            return True
+    return False
+
+
+def _get_field(cls, a_name, a_type, default_kw_only):
+    # Return a Field object for this field name and type.  ClassVars and
+    # InitVars are also returned, but marked as such (see f._field_type).
+    # default_kw_only is the value of kw_only to use if there isn't a field()
+    # that defines it.
+
+    # If the default value isn't derived from Field, then it's only a
+    # normal default value.  Convert it to a Field().
+    default = getattr(cls, a_name, MISSING)
+    if isinstance(default, Field):
+        f = default
+    else:
+        if isinstance(default, types.MemberDescriptorType):
+            # This is a field in __slots__, so it has no default value.
+            default = MISSING
+        f = field(default=default)
+
+    # Only at this point do we know the name and the type.  Set them.
+    f.name = a_name
+    f.type = a_type
+
+    # Assume it's a normal field until proven otherwise.  We're next
+    # going to decide if it's a ClassVar or InitVar, everything else
+    # is just a normal field.
+    f._field_type = _FIELD
+
+    # In addition to checking for actual types here, also check for
+    # string annotations.  get_type_hints() won't always work for us
+    # (see https://github.com/python/typing/issues/508 for example),
+    # plus it's expensive and would require an eval for every string
+    # annotation.  So, make a best effort to see if this is a ClassVar
+    # or InitVar using regex's and checking that the thing referenced
+    # is actually of the correct type.
+
+    # For the complete discussion, see https://bugs.python.org/issue33453
+
+    # If typing has not been imported, then it's impossible for any
+    # annotation to be a ClassVar.  So, only look for ClassVar if
+    # typing has been imported by any module (not necessarily cls's
+    # module).
+    typing = sys.modules.get('typing')
+    if typing:
+        if (_is_classvar(a_type, typing)
+            or (isinstance(f.type, str)
+                and _is_type(f.type, cls, typing, typing.ClassVar,
+                             _is_classvar))):
+            f._field_type = _FIELD_CLASSVAR
+
+    # If the type is InitVar, or if it's a matching string annotation,
+    # then it's an InitVar.
+    if f._field_type is _FIELD:
+        # The module we're checking against is the module we're
+        # currently in (dataclasses.py).
+        dataclasses = sys.modules[__name__]
+        if (_is_initvar(a_type, dataclasses)
+            or (isinstance(f.type, str)
+                and _is_type(f.type, cls, dataclasses, dataclasses.InitVar,
+                             _is_initvar))):
+            f._field_type = _FIELD_INITVAR
+
+    # Validations for individual fields.  This is delayed until now,
+    # instead of in the Field() constructor, since only here do we
+    # know the field name, which allows for better error reporting.
+
+    # Special restrictions for ClassVar and InitVar.
+    if f._field_type in (_FIELD_CLASSVAR, _FIELD_INITVAR):
+        if f.default_factory is not MISSING:
+            raise TypeError(f'field {f.name} cannot have a '
+                            'default factory')
+        # Should I check for other field settings? default_factory
+        # seems the most serious to check for.  Maybe add others.  For
+        # example, how about init=False (or really,
+        # init=<not-the-default-init-value>)?  It makes no sense for
+        # ClassVar and InitVar to specify init=<anything>.
+
+    # kw_only validation and assignment.
+    if f._field_type in (_FIELD, _FIELD_INITVAR):
+        # For real and InitVar fields, if kw_only wasn't specified use the
+        # default value.
+        if f.kw_only is MISSING:
+            f.kw_only = default_kw_only
+    else:
+        # Make sure kw_only isn't set for ClassVars
+        assert f._field_type is _FIELD_CLASSVAR
+        if f.kw_only is not MISSING:
+            raise TypeError(f'field {f.name} is a ClassVar but specifies '
+                            'kw_only')
+
+    # For real fields, disallow mutable defaults for known types.
+    if f._field_type is _FIELD and isinstance(f.default, (list, dict, set)):
+        raise ValueError(f'mutable default {type(f.default)} for field '
+                         f'{f.name} is not allowed: use default_factory')
+
+    return f
+
+def _set_qualname(cls, value):
+    # Ensure that the functions returned from _create_fn uses the proper
+    # __qualname__ (the class they belong to).
+    if isinstance(value, FunctionType):
+        value.__qualname__ = f"{cls.__qualname__}.{value.__name__}"
+    return value
+
+def _set_new_attribute(cls, name, value):
+    # Never overwrites an existing attribute.  Returns True if the
+    # attribute already exists.
+    if name in cls.__dict__:
+        return True
+    _set_qualname(cls, value)
+    setattr(cls, name, value)
+    return False
+
+
+# Decide if/how we're going to create a hash function.  Key is
+# (unsafe_hash, eq, frozen, does-hash-exist).  Value is the action to
+# take.  The common case is to do nothing, so instead of providing a
+# function that is a no-op, use None to signify that.
+
+def _hash_set_none(cls, fields, globals):
+    return None
+
+def _hash_add(cls, fields, globals):
+    flds = [f for f in fields if (f.compare if f.hash is None else f.hash)]
+    return _set_qualname(cls, _hash_fn(flds, globals))
+
+def _hash_exception(cls, fields, globals):
+    # Raise an exception.
+    raise TypeError(f'Cannot overwrite attribute __hash__ '
+                    f'in class {cls.__name__}')
+
+#
+#                +-------------------------------------- unsafe_hash?
+#                |      +------------------------------- eq?
+#                |      |      +------------------------ frozen?
+#                |      |      |      +----------------  has-explicit-hash?
+#                |      |      |      |
+#                |      |      |      |        +-------  action
+#                |      |      |      |        |
+#                v      v      v      v        v
+_hash_action = {(False, False, False, False): None,
+                (False, False, False, True ): None,
+                (False, False, True,  False): None,
+                (False, False, True,  True ): None,
+                (False, True,  False, False): _hash_set_none,
+                (False, True,  False, True ): None,
+                (False, True,  True,  False): _hash_add,
+                (False, True,  True,  True ): None,
+                (True,  False, False, False): _hash_add,
+                (True,  False, False, True ): _hash_exception,
+                (True,  False, True,  False): _hash_add,
+                (True,  False, True,  True ): _hash_exception,
+                (True,  True,  False, False): _hash_add,
+                (True,  True,  False, True ): _hash_exception,
+                (True,  True,  True,  False): _hash_add,
+                (True,  True,  True,  True ): _hash_exception,
+                }
+# See https://bugs.python.org/issue32929#msg312829 for an if-statement
+# version of this table.
+
+
+def _process_class(cls, init, repr, eq, order, unsafe_hash, frozen,
+                   match_args, kw_only, slots):
+    # Now that dicts retain insertion order, there's no reason to use
+    # an ordered dict.  I am leveraging that ordering here, because
+    # derived class fields overwrite base class fields, but the order
+    # is defined by the base class, which is found first.
+    fields = {}
+
+    if cls.__module__ in sys.modules:
+        globals = sys.modules[cls.__module__].__dict__
+    else:
+        # Theoretically this can happen if someone writes
+        # a custom string to cls.__module__.  In which case
+        # such dataclass won't be fully introspectable
+        # (w.r.t. typing.get_type_hints) but will still function
+        # correctly.
+        globals = {}
+
+    setattr(cls, _PARAMS, _DataclassParams(init, repr, eq, order,
+                                           unsafe_hash, frozen))
+
+    # Find our base classes in reverse MRO order, and exclude
+    # ourselves.  In reversed order so that more derived classes
+    # override earlier field definitions in base classes.  As long as
+    # we're iterating over them, see if any are frozen.
+    any_frozen_base = False
+    has_dataclass_bases = False
+    for b in cls.__mro__[-1:0:-1]:
+        # Only process classes that have been processed by our
+        # decorator.  That is, they have a _FIELDS attribute.
+        base_fields = getattr(b, _FIELDS, None)
+        if base_fields is not None:
+            has_dataclass_bases = True
+            for f in base_fields.values():
+                fields[f.name] = f
+            if getattr(b, _PARAMS).frozen:
+                any_frozen_base = True
+
+    # Annotations that are defined in this class (not in base
+    # classes).  If __annotations__ isn't present, then this class
+    # adds no new annotations.  We use this to compute fields that are
+    # added by this class.
+    #
+    # Fields are found from cls_annotations, which is guaranteed to be
+    # ordered.  Default values are from class attributes, if a field
+    # has a default.  If the default value is a Field(), then it
+    # contains additional info beyond (and possibly including) the
+    # actual default value.  Pseudo-fields ClassVars and InitVars are
+    # included, despite the fact that they're not real fields.  That's
+    # dealt with later.
+    cls_annotations = cls.__dict__.get('__annotations__', {})
+
+    # Now find fields in our class.  While doing so, validate some
+    # things, and set the default values (as class attributes) where
+    # we can.
+    cls_fields = []
+    # Get a reference to this module for the _is_kw_only() test.
+    KW_ONLY_seen = False
+    dataclasses = sys.modules[__name__]
+    for name, type in cls_annotations.items():
+        # See if this is a marker to change the value of kw_only.
+        if (_is_kw_only(type, dataclasses)
+            or (isinstance(type, str)
+                and _is_type(type, cls, dataclasses, dataclasses.KW_ONLY,
+                             _is_kw_only))):
+            # Switch the default to kw_only=True, and ignore this
+            # annotation: it's not a real field.
+            if KW_ONLY_seen:
+                raise TypeError(f'{name!r} is KW_ONLY, but KW_ONLY '
+                                'has already been specified')
+            KW_ONLY_seen = True
+            kw_only = True
+        else:
+            # Otherwise it's a field of some type.
+            cls_fields.append(_get_field(cls, name, type, kw_only))
+
+    for f in cls_fields:
+        fields[f.name] = f
+
+        # If the class attribute (which is the default value for this
+        # field) exists and is of type 'Field', replace it with the
+        # real default.  This is so that normal class introspection
+        # sees a real default value, not a Field.
+        if isinstance(getattr(cls, f.name, None), Field):
+            if f.default is MISSING:
+                # If there's no default, delete the class attribute.
+                # This happens if we specify field(repr=False), for
+                # example (that is, we specified a field object, but
+                # no default value).  Also if we're using a default
+                # factory.  The class attribute should not be set at
+                # all in the post-processed class.
+                delattr(cls, f.name)
+            else:
+                setattr(cls, f.name, f.default)
+
+    # Do we have any Field members that don't also have annotations?
+    for name, value in cls.__dict__.items():
+        if isinstance(value, Field) and not name in cls_annotations:
+            raise TypeError(f'{name!r} is a field but has no type annotation')
+
+    # Check rules that apply if we are derived from any dataclasses.
+    if has_dataclass_bases:
+        # Raise an exception if any of our bases are frozen, but we're not.
+        if any_frozen_base and not frozen:
+            raise TypeError('cannot inherit non-frozen dataclass from a '
+                            'frozen one')
+
+        # Raise an exception if we're frozen, but none of our bases are.
+        if not any_frozen_base and frozen:
+            raise TypeError('cannot inherit frozen dataclass from a '
+                            'non-frozen one')
+
+    # Remember all of the fields on our class (including bases).  This
+    # also marks this class as being a dataclass.
+    setattr(cls, _FIELDS, fields)
+
+    # Was this class defined with an explicit __hash__?  Note that if
+    # __eq__ is defined in this class, then python will automatically
+    # set __hash__ to None.  This is a heuristic, as it's possible
+    # that such a __hash__ == None was not auto-generated, but it
+    # close enough.
+    class_hash = cls.__dict__.get('__hash__', MISSING)
+    has_explicit_hash = not (class_hash is MISSING or
+                             (class_hash is None and '__eq__' in cls.__dict__))
+
+    # If we're generating ordering methods, we must be generating the
+    # eq methods.
+    if order and not eq:
+        raise ValueError('eq must be true if order is true')
+
+    # Include InitVars and regular fields (so, not ClassVars).  This is
+    # initialized here, outside of the "if init:" test, because std_init_fields
+    # is used with match_args, below.
+    all_init_fields = [f for f in fields.values()
+                       if f._field_type in (_FIELD, _FIELD_INITVAR)]
+    (std_init_fields,
+     kw_only_init_fields) = _fields_in_init_order(all_init_fields)
+
+    if init:
+        # Does this class have a post-init function?
+        has_post_init = hasattr(cls, _POST_INIT_NAME)
+
+        _set_new_attribute(cls, '__init__',
+                           _init_fn(all_init_fields,
+                                    std_init_fields,
+                                    kw_only_init_fields,
+                                    frozen,
+                                    has_post_init,
+                                    # The name to use for the "self"
+                                    # param in __init__.  Use "self"
+                                    # if possible.
+                                    '__dataclass_self__' if 'self' in fields
+                                            else 'self',
+                                    globals,
+                                    slots,
+                          ))
+
+    # Get the fields as a list, and include only real fields.  This is
+    # used in all of the following methods.
+    field_list = [f for f in fields.values() if f._field_type is _FIELD]
+
+    if repr:
+        flds = [f for f in field_list if f.repr]
+        _set_new_attribute(cls, '__repr__', _repr_fn(flds, globals))
+
+    if eq:
+        # Create __eq__ method.  There's no need for a __ne__ method,
+        # since python will call __eq__ and negate it.
+        flds = [f for f in field_list if f.compare]
+        self_tuple = _tuple_str('self', flds)
+        other_tuple = _tuple_str('other', flds)
+        _set_new_attribute(cls, '__eq__',
+                           _cmp_fn('__eq__', '==',
+                                   self_tuple, other_tuple,
+                                   globals=globals))
+
+    if order:
+        # Create and set the ordering methods.
+        flds = [f for f in field_list if f.compare]
+        self_tuple = _tuple_str('self', flds)
+        other_tuple = _tuple_str('other', flds)
+        for name, op in [('__lt__', '<'),
+                         ('__le__', '<='),
+                         ('__gt__', '>'),
+                         ('__ge__', '>='),
+                         ]:
+            if _set_new_attribute(cls, name,
+                                  _cmp_fn(name, op, self_tuple, other_tuple,
+                                          globals=globals)):
+                raise TypeError(f'Cannot overwrite attribute {name} '
+                                f'in class {cls.__name__}. Consider using '
+                                'functools.total_ordering')
+
+    if frozen:
+        for fn in _frozen_get_del_attr(cls, field_list, globals):
+            if _set_new_attribute(cls, fn.__name__, fn):
+                raise TypeError(f'Cannot overwrite attribute {fn.__name__} '
+                                f'in class {cls.__name__}')
+
+    # Decide if/how we're going to create a hash function.
+    hash_action = _hash_action[bool(unsafe_hash),
+                               bool(eq),
+                               bool(frozen),
+                               has_explicit_hash]
+    if hash_action:
+        # No need to call _set_new_attribute here, since by the time
+        # we're here the overwriting is unconditional.
+        cls.__hash__ = hash_action(cls, field_list, globals)
+
+    if not getattr(cls, '__doc__'):
+        # Create a class doc-string.
+        cls.__doc__ = (cls.__name__ +
+                       str(inspect.signature(cls)).replace(' -> None', ''))
+
+    if match_args:
+        # I could probably compute this once
+        _set_new_attribute(cls, '__match_args__',
+                           tuple(f.name for f in std_init_fields))
+
+    if slots:
+        cls = _add_slots(cls, frozen)
+
+    abc.update_abstractmethods(cls)
+
+    return cls
+
+
+# _dataclass_getstate and _dataclass_setstate are needed for pickling frozen
+# classes with slots.  These could be slighly more performant if we generated
+# the code instead of iterating over fields.  But that can be a project for
+# another day, if performance becomes an issue.
+def _dataclass_getstate(self):
+    return [getattr(self, f.name) for f in fields(self)]
+
+
+def _dataclass_setstate(self, state):
+    for field, value in zip(fields(self), state):
+        # use setattr because dataclass may be frozen
+        object.__setattr__(self, field.name, value)
+
+
+def _add_slots(cls, is_frozen):
+    # Need to create a new class, since we can't set __slots__
+    #  after a class has been created.
+
+    # Make sure __slots__ isn't already set.
+    if '__slots__' in cls.__dict__:
+        raise TypeError(f'{cls.__name__} already specifies __slots__')
+
+    # Create a new dict for our new class.
+    cls_dict = dict(cls.__dict__)
+    field_names = tuple(f.name for f in fields(cls))
+    cls_dict['__slots__'] = field_names
+    for field_name in field_names:
+        # Remove our attributes, if present. They'll still be
+        #  available in _MARKER.
+        cls_dict.pop(field_name, None)
+
+    # Remove __dict__ itself.
+    cls_dict.pop('__dict__', None)
+
+    # And finally create the class.
+    qualname = getattr(cls, '__qualname__', None)
+    cls = type(cls)(cls.__name__, cls.__bases__, cls_dict)
+    if qualname is not None:
+        cls.__qualname__ = qualname
+
+    if is_frozen:
+        # Need this for pickling frozen classes with slots.
+        cls.__getstate__ = _dataclass_getstate
+        cls.__setstate__ = _dataclass_setstate
+
+    return cls
+
+
+def dataclass(cls=None, /, *, init=True, repr=True, eq=True, order=False,
+              unsafe_hash=False, frozen=False, match_args=True,
+              kw_only=False, slots=False):
+    """Returns the same class as was passed in, with dunder methods
+    added based on the fields defined in the class.
+
+    Examines PEP 526 __annotations__ to determine fields.
+
+    If init is true, an __init__() method is added to the class. If
+    repr is true, a __repr__() method is added. If order is true, rich
+    comparison dunder methods are added. If unsafe_hash is true, a
+    __hash__() method function is added. If frozen is true, fields may
+    not be assigned to after instance creation. If match_args is true,
+    the __match_args__ tuple is added. If kw_only is true, then by
+    default all fields are keyword-only. If slots is true, an
+    __slots__ attribute is added.
+    """
+
+    def wrap(cls):
+        return _process_class(cls, init, repr, eq, order, unsafe_hash,
+                              frozen, match_args, kw_only, slots)
+
+    # See if we're being called as @dataclass or @dataclass().
+    if cls is None:
+        # We're called with parens.
+        return wrap
+
+    # We're called as @dataclass without parens.
+    return wrap(cls)
+
+
+def fields(class_or_instance):
+    """Return a tuple describing the fields of this dataclass.
+
+    Accepts a dataclass or an instance of one. Tuple elements are of
+    type Field.
+    """
+
+    # Might it be worth caching this, per class?
+    try:
+        fields = getattr(class_or_instance, _FIELDS)
+    except AttributeError:
+        raise TypeError('must be called with a dataclass type or instance') from None
+
+    # Exclude pseudo-fields.  Note that fields is sorted by insertion
+    # order, so the order of the tuple is as the fields were defined.
+    return tuple(f for f in fields.values() if f._field_type is _FIELD)
+
+
+def _is_dataclass_instance(obj):
+    """Returns True if obj is an instance of a dataclass."""
+    return hasattr(type(obj), _FIELDS)
+
+
+def is_dataclass(obj):
+    """Returns True if obj is a dataclass or an instance of a
+    dataclass."""
+    cls = obj if isinstance(obj, type) and not isinstance(obj, GenericAlias) else type(obj)
+    return hasattr(cls, _FIELDS)
+
+
+def asdict(obj, *, dict_factory=dict):
+    """Return the fields of a dataclass instance as a new dictionary mapping
+    field names to field values.
+
+    Example usage:
+
+      @dataclass
+      class C:
+          x: int
+          y: int
+
+      c = C(1, 2)
+      assert asdict(c) == {'x': 1, 'y': 2}
+
+    If given, 'dict_factory' will be used instead of built-in dict.
+    The function applies recursively to field values that are
+    dataclass instances. This will also look into built-in containers:
+    tuples, lists, and dicts.
+    """
+    if not _is_dataclass_instance(obj):
+        raise TypeError("asdict() should be called on dataclass instances")
+    return _asdict_inner(obj, dict_factory)
+
+
+def _asdict_inner(obj, dict_factory):
+    if _is_dataclass_instance(obj):
+        result = []
+        for f in fields(obj):
+            value = _asdict_inner(getattr(obj, f.name), dict_factory)
+            result.append((f.name, value))
+        return dict_factory(result)
+    elif isinstance(obj, tuple) and hasattr(obj, '_fields'):
+        # obj is a namedtuple.  Recurse into it, but the returned
+        # object is another namedtuple of the same type.  This is
+        # similar to how other list- or tuple-derived classes are
+        # treated (see below), but we just need to create them
+        # differently because a namedtuple's __init__ needs to be
+        # called differently (see bpo-34363).
+
+        # I'm not using namedtuple's _asdict()
+        # method, because:
+        # - it does not recurse in to the namedtuple fields and
+        #   convert them to dicts (using dict_factory).
+        # - I don't actually want to return a dict here.  The main
+        #   use case here is json.dumps, and it handles converting
+        #   namedtuples to lists.  Admittedly we're losing some
+        #   information here when we produce a json list instead of a
+        #   dict.  Note that if we returned dicts here instead of
+        #   namedtuples, we could no longer call asdict() on a data
+        #   structure where a namedtuple was used as a dict key.
+
+        return type(obj)(*[_asdict_inner(v, dict_factory) for v in obj])
+    elif isinstance(obj, (list, tuple)):
+        # Assume we can create an object of this type by passing in a
+        # generator (which is not true for namedtuples, handled
+        # above).
+        return type(obj)(_asdict_inner(v, dict_factory) for v in obj)
+    elif isinstance(obj, dict):
+        return type(obj)((_asdict_inner(k, dict_factory),
+                          _asdict_inner(v, dict_factory))
+                         for k, v in obj.items())
+    else:
+        return copy.deepcopy(obj)
+
+
+def astuple(obj, *, tuple_factory=tuple):
+    """Return the fields of a dataclass instance as a new tuple of field values.
+
+    Example usage::
+
+      @dataclass
+      class C:
+          x: int
+          y: int
+
+    c = C(1, 2)
+    assert astuple(c) == (1, 2)
+
+    If given, 'tuple_factory' will be used instead of built-in tuple.
+    The function applies recursively to field values that are
+    dataclass instances. This will also look into built-in containers:
+    tuples, lists, and dicts.
+    """
+
+    if not _is_dataclass_instance(obj):
+        raise TypeError("astuple() should be called on dataclass instances")
+    return _astuple_inner(obj, tuple_factory)
+
+
+def _astuple_inner(obj, tuple_factory):
+    if _is_dataclass_instance(obj):
+        result = []
+        for f in fields(obj):
+            value = _astuple_inner(getattr(obj, f.name), tuple_factory)
+            result.append(value)
+        return tuple_factory(result)
+    elif isinstance(obj, tuple) and hasattr(obj, '_fields'):
+        # obj is a namedtuple.  Recurse into it, but the returned
+        # object is another namedtuple of the same type.  This is
+        # similar to how other list- or tuple-derived classes are
+        # treated (see below), but we just need to create them
+        # differently because a namedtuple's __init__ needs to be
+        # called differently (see bpo-34363).
+        return type(obj)(*[_astuple_inner(v, tuple_factory) for v in obj])
+    elif isinstance(obj, (list, tuple)):
+        # Assume we can create an object of this type by passing in a
+        # generator (which is not true for namedtuples, handled
+        # above).
+        return type(obj)(_astuple_inner(v, tuple_factory) for v in obj)
+    elif isinstance(obj, dict):
+        return type(obj)((_astuple_inner(k, tuple_factory), _astuple_inner(v, tuple_factory))
+                          for k, v in obj.items())
+    else:
+        return copy.deepcopy(obj)
+
+
+def make_dataclass(cls_name, fields, *, bases=(), namespace=None, init=True,
+                   repr=True, eq=True, order=False, unsafe_hash=False,
+                   frozen=False, match_args=True, kw_only=False, slots=False):
+    """Return a new dynamically created dataclass.
+
+    The dataclass name will be 'cls_name'.  'fields' is an iterable
+    of either (name), (name, type) or (name, type, Field) objects. If type is
+    omitted, use the string 'typing.Any'.  Field objects are created by
+    the equivalent of calling 'field(name, type [, Field-info])'.
+
+      C = make_dataclass('C', ['x', ('y', int), ('z', int, field(init=False))], bases=(Base,))
+
+    is equivalent to:
+
+      @dataclass
+      class C(Base):
+          x: 'typing.Any'
+          y: int
+          z: int = field(init=False)
+
+    For the bases and namespace parameters, see the builtin type() function.
+
+    The parameters init, repr, eq, order, unsafe_hash, and frozen are passed to
+    dataclass().
+    """
+
+    if namespace is None:
+        namespace = {}
+
+    # While we're looking through the field names, validate that they
+    # are identifiers, are not keywords, and not duplicates.
+    seen = set()
+    annotations = {}
+    defaults = {}
+    for item in fields:
+        if isinstance(item, str):
+            name = item
+            tp = 'typing.Any'
+        elif len(item) == 2:
+            name, tp, = item
+        elif len(item) == 3:
+            name, tp, spec = item
+            defaults[name] = spec
+        else:
+            raise TypeError(f'Invalid field: {item!r}')
+
+        if not isinstance(name, str) or not name.isidentifier():
+            raise TypeError(f'Field names must be valid identifiers: {name!r}')
+        if keyword.iskeyword(name):
+            raise TypeError(f'Field names must not be keywords: {name!r}')
+        if name in seen:
+            raise TypeError(f'Field name duplicated: {name!r}')
+
+        seen.add(name)
+        annotations[name] = tp
+
+    # Update 'ns' with the user-supplied namespace plus our calculated values.
+    def exec_body_callback(ns):
+        ns.update(namespace)
+        ns.update(defaults)
+        ns['__annotations__'] = annotations
+
+    # We use `types.new_class()` instead of simply `type()` to allow dynamic creation
+    # of generic dataclasses.
+    cls = types.new_class(cls_name, bases, {}, exec_body_callback)
+
+    # Apply the normal decorator.
+    return dataclass(cls, init=init, repr=repr, eq=eq, order=order,
+                     unsafe_hash=unsafe_hash, frozen=frozen,
+                     match_args=match_args, kw_only=kw_only, slots=slots)
+
+
+def replace(obj, /, **changes):
+    """Return a new object replacing specified fields with new values.
+
+    This is especially useful for frozen classes.  Example usage:
+
+      @dataclass(frozen=True)
+      class C:
+          x: int
+          y: int
+
+      c = C(1, 2)
+      c1 = replace(c, x=3)
+      assert c1.x == 3 and c1.y == 2
+      """
+
+    # We're going to mutate 'changes', but that's okay because it's a
+    # new dict, even if called with 'replace(obj, **my_changes)'.
+
+    if not _is_dataclass_instance(obj):
+        raise TypeError("replace() should be called on dataclass instances")
+
+    # It's an error to have init=False fields in 'changes'.
+    # If a field is not in 'changes', read its value from the provided obj.
+
+    for f in getattr(obj, _FIELDS).values():
+        # Only consider normal fields or InitVars.
+        if f._field_type is _FIELD_CLASSVAR:
+            continue
+
+        if not f.init:
+            # Error if this field is specified in changes.
+            if f.name in changes:
+                raise ValueError(f'field {f.name} is declared with '
+                                 'init=False, it cannot be specified with '
+                                 'replace()')
+            continue
+
+        if f.name not in changes:
+            if f._field_type is _FIELD_INITVAR and f.default is MISSING:
+                raise ValueError(f"InitVar {f.name!r} "
+                                 'must be specified with replace()')
+            changes[f.name] = getattr(obj, f.name)
+
+    # Create the new object, which calls __init__() and
+    # __post_init__() (if defined), using all of the init fields we've
+    # added and/or left in 'changes'.  If there are values supplied in
+    # changes that aren't fields, this will correctly raise a
+    # TypeError.
+    return obj.__class__(**changes)

evalkit_llava/lib/python3.10/distutils/command/build_scripts.py

@@ -0,0 +1,160 @@
+"""distutils.command.build_scripts
+
+Implements the Distutils 'build_scripts' command."""
+
+import os, re
+from stat import ST_MODE
+from distutils import sysconfig
+from distutils.core import Command
+from distutils.dep_util import newer
+from distutils.util import convert_path, Mixin2to3
+from distutils import log
+import tokenize
+
+# check if Python is called on the first line with this expression
+first_line_re = re.compile(b'^#!.*python[0-9.]*([ \t].*)?$')
+
+class build_scripts(Command):
+
+    description = "\"build\" scripts (copy and fixup #! line)"
+
+    user_options = [
+        ('build-dir=', 'd', "directory to \"build\" (copy) to"),
+        ('force', 'f', "forcibly build everything (ignore file timestamps"),
+        ('executable=', 'e', "specify final destination interpreter path"),
+        ]
+
+    boolean_options = ['force']
+
+
+    def initialize_options(self):
+        self.build_dir = None
+        self.scripts = None
+        self.force = None
+        self.executable = None
+        self.outfiles = None
+
+    def finalize_options(self):
+        self.set_undefined_options('build',
+                                   ('build_scripts', 'build_dir'),
+                                   ('force', 'force'),
+                                   ('executable', 'executable'))
+        self.scripts = self.distribution.scripts
+
+    def get_source_files(self):
+        return self.scripts
+
+    def run(self):
+        if not self.scripts:
+            return
+        self.copy_scripts()
+
+
+    def copy_scripts(self):
+        r"""Copy each script listed in 'self.scripts'; if it's marked as a
+        Python script in the Unix way (first line matches 'first_line_re',
+        ie. starts with "\#!" and contains "python"), then adjust the first
+        line to refer to the current Python interpreter as we copy.
+        """
+        self.mkpath(self.build_dir)
+        outfiles = []
+        updated_files = []
+        for script in self.scripts:
+            adjust = False
+            script = convert_path(script)
+            outfile = os.path.join(self.build_dir, os.path.basename(script))
+            outfiles.append(outfile)
+
+            if not self.force and not newer(script, outfile):
+                log.debug("not copying %s (up-to-date)", script)
+                continue
+
+            # Always open the file, but ignore failures in dry-run mode --
+            # that way, we'll get accurate feedback if we can read the
+            # script.
+            try:
+                f = open(script, "rb")
+            except OSError:
+                if not self.dry_run:
+                    raise
+                f = None
+            else:
+                encoding, lines = tokenize.detect_encoding(f.readline)
+                f.seek(0)
+                first_line = f.readline()
+                if not first_line:
+                    self.warn("%s is an empty file (skipping)" % script)
+                    continue
+
+                match = first_line_re.match(first_line)
+                if match:
+                    adjust = True
+                    post_interp = match.group(1) or b''
+
+            if adjust:
+                log.info("copying and adjusting %s -> %s", script,
+                         self.build_dir)
+                updated_files.append(outfile)
+                if not self.dry_run:
+                    if not sysconfig.python_build:
+                        executable = self.executable
+                    else:
+                        executable = os.path.join(
+                            sysconfig.get_config_var("BINDIR"),
+                           "python%s%s" % (sysconfig.get_config_var("VERSION"),
+                                           sysconfig.get_config_var("EXE")))
+                    executable = os.fsencode(executable)
+                    shebang = b"#!" + executable + post_interp + b"\n"
+                    # Python parser starts to read a script using UTF-8 until
+                    # it gets a #coding:xxx cookie. The shebang has to be the
+                    # first line of a file, the #coding:xxx cookie cannot be
+                    # written before. So the shebang has to be decodable from
+                    # UTF-8.
+                    try:
+                        shebang.decode('utf-8')
+                    except UnicodeDecodeError:
+                        raise ValueError(
+                            "The shebang ({!r}) is not decodable "
+                            "from utf-8".format(shebang))
+                    # If the script is encoded to a custom encoding (use a
+                    # #coding:xxx cookie), the shebang has to be decodable from
+                    # the script encoding too.
+                    try:
+                        shebang.decode(encoding)
+                    except UnicodeDecodeError:
+                        raise ValueError(
+                            "The shebang ({!r}) is not decodable "
+                            "from the script encoding ({})"
+                            .format(shebang, encoding))
+                    with open(outfile, "wb") as outf:
+                        outf.write(shebang)
+                        outf.writelines(f.readlines())
+                if f:
+                    f.close()
+            else:
+                if f:
+                    f.close()
+                updated_files.append(outfile)
+                self.copy_file(script, outfile)
+
+        if os.name == 'posix':
+            for file in outfiles:
+                if self.dry_run:
+                    log.info("changing mode of %s", file)
+                else:
+                    oldmode = os.stat(file)[ST_MODE] & 0o7777
+                    newmode = (oldmode | 0o555) & 0o7777
+                    if newmode != oldmode:
+                        log.info("changing mode of %s from %o to %o",
+                                 file, oldmode, newmode)
+                        os.chmod(file, newmode)
+        # XXX should we modify self.outfiles?
+        return outfiles, updated_files
+
+class build_scripts_2to3(build_scripts, Mixin2to3):
+
+    def copy_scripts(self):
+        outfiles, updated_files = build_scripts.copy_scripts(self)
+        if not self.dry_run:
+            self.run_2to3(updated_files)
+        return outfiles, updated_files

evalkit_llava/lib/python3.10/distutils/command/install.py

@@ -0,0 +1,679 @@
+"""distutils.command.install
+
+Implements the Distutils 'install' command."""
+
+import sys
+import sysconfig
+import os
+import re
+
+from distutils import log
+from distutils.core import Command
+from distutils.debug import DEBUG
+from distutils.sysconfig import get_config_vars
+from distutils.errors import DistutilsPlatformError
+from distutils.file_util import write_file
+from distutils.util import convert_path, subst_vars, change_root
+from distutils.util import get_platform
+from distutils.errors import DistutilsOptionError
+
+from site import USER_BASE
+from site import USER_SITE
+
+HAS_USER_SITE = (USER_SITE is not None)
+
+# The keys to an installation scheme; if any new types of files are to be
+# installed, be sure to add an entry to every scheme in
+# sysconfig._INSTALL_SCHEMES, and to SCHEME_KEYS here.
+SCHEME_KEYS = ('purelib', 'platlib', 'headers', 'scripts', 'data')
+
+# The following code provides backward-compatible INSTALL_SCHEMES
+# while making the sysconfig module the single point of truth.
+# This makes it easier for OS distributions where they need to
+# alter locations for packages installations in a single place.
+# Note that this module is deprecated (PEP 632); all consumers
+# of this information should switch to using sysconfig directly.
+INSTALL_SCHEMES = {"unix_prefix": {}, "unix_home": {}, "nt": {}}
+
+# Copy from sysconfig._INSTALL_SCHEMES
+for key in SCHEME_KEYS:
+    for distutils_scheme_name, sys_scheme_name in (
+            ("unix_prefix", "posix_prefix"), ("unix_home", "posix_home"),
+            ("nt", "nt")):
+        sys_key = key
+        sys_scheme = sysconfig._INSTALL_SCHEMES[sys_scheme_name]
+        if key == "headers" and key not in sys_scheme:
+            # On POSIX-y platforms, Python will:
+            # - Build from .h files in 'headers' (only there when
+            #   building CPython)
+            # - Install .h files to 'include'
+            # When 'headers' is missing, fall back to 'include'
+            sys_key = 'include'
+        INSTALL_SCHEMES[distutils_scheme_name][key] = sys_scheme[sys_key]
+
+# Transformation to different template format
+for main_key in INSTALL_SCHEMES:
+    for key, value in INSTALL_SCHEMES[main_key].items():
+        # Change all ocurences of {variable} to $variable
+        value = re.sub(r"\{(.+?)\}", r"$\g<1>", value)
+        value = value.replace("$installed_base", "$base")
+        value = value.replace("$py_version_nodot_plat", "$py_version_nodot")
+        if key == "headers":
+            value += "/$dist_name"
+        if sys.version_info >= (3, 9) and key == "platlib":
+            # platlibdir is available since 3.9: bpo-1294959
+            value = value.replace("/lib/", "/$platlibdir/")
+        INSTALL_SCHEMES[main_key][key] = value
+
+# The following part of INSTALL_SCHEMES has a different definition
+# than the one in sysconfig, but because both depend on the site module,
+# the outcomes should be the same.
+if HAS_USER_SITE:
+    INSTALL_SCHEMES['nt_user'] = {
+        'purelib': '$usersite',
+        'platlib': '$usersite',
+        'headers': '$userbase/Python$py_version_nodot/Include/$dist_name',
+        'scripts': '$userbase/Python$py_version_nodot/Scripts',
+        'data'   : '$userbase',
+        }
+
+    INSTALL_SCHEMES['unix_user'] = {
+        'purelib': '$usersite',
+        'platlib': '$usersite',
+        'headers':
+            '$userbase/include/python$py_version_short$abiflags/$dist_name',
+        'scripts': '$userbase/bin',
+        'data'   : '$userbase',
+        }
+
+
+class install(Command):
+
+    description = "install everything from build directory"
+
+    user_options = [
+        # Select installation scheme and set base director(y|ies)
+        ('prefix=', None,
+         "installation prefix"),
+        ('exec-prefix=', None,
+         "(Unix only) prefix for platform-specific files"),
+        ('home=', None,
+         "(Unix only) home directory to install under"),
+
+        # Or, just set the base director(y|ies)
+        ('install-base=', None,
+         "base installation directory (instead of --prefix or --home)"),
+        ('install-platbase=', None,
+         "base installation directory for platform-specific files " +
+         "(instead of --exec-prefix or --home)"),
+        ('root=', None,
+         "install everything relative to this alternate root directory"),
+
+        # Or, explicitly set the installation scheme
+        ('install-purelib=', None,
+         "installation directory for pure Python module distributions"),
+        ('install-platlib=', None,
+         "installation directory for non-pure module distributions"),
+        ('install-lib=', None,
+         "installation directory for all module distributions " +
+         "(overrides --install-purelib and --install-platlib)"),
+
+        ('install-headers=', None,
+         "installation directory for C/C++ headers"),
+        ('install-scripts=', None,
+         "installation directory for Python scripts"),
+        ('install-data=', None,
+         "installation directory for data files"),
+
+        # Byte-compilation options -- see install_lib.py for details, as
+        # these are duplicated from there (but only install_lib does
+        # anything with them).
+        ('compile', 'c', "compile .py to .pyc [default]"),
+        ('no-compile', None, "don't compile .py files"),
+        ('optimize=', 'O',
+         "also compile with optimization: -O1 for \"python -O\", "
+         "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"),
+
+        # Miscellaneous control options
+        ('force', 'f',
+         "force installation (overwrite any existing files)"),
+        ('skip-build', None,
+         "skip rebuilding everything (for testing/debugging)"),
+
+        # Where to install documentation (eventually!)
+        #('doc-format=', None, "format of documentation to generate"),
+        #('install-man=', None, "directory for Unix man pages"),
+        #('install-html=', None, "directory for HTML documentation"),
+        #('install-info=', None, "directory for GNU info files"),
+
+        ('record=', None,
+         "filename in which to record list of installed files"),
+        ]
+
+    boolean_options = ['compile', 'force', 'skip-build']
+
+    if HAS_USER_SITE:
+        user_options.append(('user', None,
+                             "install in user site-package '%s'" % USER_SITE))
+        boolean_options.append('user')
+
+    negative_opt = {'no-compile' : 'compile'}
+
+
+    def initialize_options(self):
+        """Initializes options."""
+        # High-level options: these select both an installation base
+        # and scheme.
+        self.prefix = None
+        self.exec_prefix = None
+        self.home = None
+        self.user = 0
+
+        # These select only the installation base; it's up to the user to
+        # specify the installation scheme (currently, that means supplying
+        # the --install-{platlib,purelib,scripts,data} options).
+        self.install_base = None
+        self.install_platbase = None
+        self.root = None
+
+        # These options are the actual installation directories; if not
+        # supplied by the user, they are filled in using the installation
+        # scheme implied by prefix/exec-prefix/home and the contents of
+        # that installation scheme.
+        self.install_purelib = None     # for pure module distributions
+        self.install_platlib = None     # non-pure (dists w/ extensions)
+        self.install_headers = None     # for C/C++ headers
+        self.install_lib = None         # set to either purelib or platlib
+        self.install_scripts = None
+        self.install_data = None
+        if HAS_USER_SITE:
+            self.install_userbase = USER_BASE
+            self.install_usersite = USER_SITE
+
+        self.compile = None
+        self.optimize = None
+
+        # Deprecated
+        # These two are for putting non-packagized distributions into their
+        # own directory and creating a .pth file if it makes sense.
+        # 'extra_path' comes from the setup file; 'install_path_file' can
+        # be turned off if it makes no sense to install a .pth file.  (But
+        # better to install it uselessly than to guess wrong and not
+        # install it when it's necessary and would be used!)  Currently,
+        # 'install_path_file' is always true unless some outsider meddles
+        # with it.
+        self.extra_path = None
+        self.install_path_file = 1
+
+        # 'force' forces installation, even if target files are not
+        # out-of-date.  'skip_build' skips running the "build" command,
+        # handy if you know it's not necessary.  'warn_dir' (which is *not*
+        # a user option, it's just there so the bdist_* commands can turn
+        # it off) determines whether we warn about installing to a
+        # directory not in sys.path.
+        self.force = 0
+        self.skip_build = 0
+        self.warn_dir = 1
+
+        # These are only here as a conduit from the 'build' command to the
+        # 'install_*' commands that do the real work.  ('build_base' isn't
+        # actually used anywhere, but it might be useful in future.)  They
+        # are not user options, because if the user told the install
+        # command where the build directory is, that wouldn't affect the
+        # build command.
+        self.build_base = None
+        self.build_lib = None
+
+        # Not defined yet because we don't know anything about
+        # documentation yet.
+        #self.install_man = None
+        #self.install_html = None
+        #self.install_info = None
+
+        self.record = None
+
+
+    # -- Option finalizing methods -------------------------------------
+    # (This is rather more involved than for most commands,
+    # because this is where the policy for installing third-
+    # party Python modules on various platforms given a wide
+    # array of user input is decided.  Yes, it's quite complex!)
+
+    def finalize_options(self):
+        """Finalizes options."""
+        # This method (and its helpers, like 'finalize_unix()',
+        # 'finalize_other()', and 'select_scheme()') is where the default
+        # installation directories for modules, extension modules, and
+        # anything else we care to install from a Python module
+        # distribution.  Thus, this code makes a pretty important policy
+        # statement about how third-party stuff is added to a Python
+        # installation!  Note that the actual work of installation is done
+        # by the relatively simple 'install_*' commands; they just take
+        # their orders from the installation directory options determined
+        # here.
+
+        # Check for errors/inconsistencies in the options; first, stuff
+        # that's wrong on any platform.
+
+        if ((self.prefix or self.exec_prefix or self.home) and
+            (self.install_base or self.install_platbase)):
+            raise DistutilsOptionError(
+                   "must supply either prefix/exec-prefix/home or " +
+                   "install-base/install-platbase -- not both")
+
+        if self.home and (self.prefix or self.exec_prefix):
+            raise DistutilsOptionError(
+                  "must supply either home or prefix/exec-prefix -- not both")
+
+        if self.user and (self.prefix or self.exec_prefix or self.home or
+                self.install_base or self.install_platbase):
+            raise DistutilsOptionError("can't combine user with prefix, "
+                                       "exec_prefix/home, or install_(plat)base")
+
+        # Next, stuff that's wrong (or dubious) only on certain platforms.
+        if os.name != "posix":
+            if self.exec_prefix:
+                self.warn("exec-prefix option ignored on this platform")
+                self.exec_prefix = None
+
+        # Now the interesting logic -- so interesting that we farm it out
+        # to other methods.  The goal of these methods is to set the final
+        # values for the install_{lib,scripts,data,...}  options, using as
+        # input a heady brew of prefix, exec_prefix, home, install_base,
+        # install_platbase, user-supplied versions of
+        # install_{purelib,platlib,lib,scripts,data,...}, and the
+        # INSTALL_SCHEME dictionary above.  Phew!
+
+        self.dump_dirs("pre-finalize_{unix,other}")
+
+        if os.name == 'posix':
+            self.finalize_unix()
+        else:
+            self.finalize_other()
+
+        self.dump_dirs("post-finalize_{unix,other}()")
+
+        # Expand configuration variables, tilde, etc. in self.install_base
+        # and self.install_platbase -- that way, we can use $base or
+        # $platbase in the other installation directories and not worry
+        # about needing recursive variable expansion (shudder).
+
+        py_version = sys.version.split()[0]
+        (prefix, exec_prefix) = get_config_vars('prefix', 'exec_prefix')
+        try:
+            abiflags = sys.abiflags
+        except AttributeError:
+            # sys.abiflags may not be defined on all platforms.
+            abiflags = ''
+        self.config_vars = {'dist_name': self.distribution.get_name(),
+                            'dist_version': self.distribution.get_version(),
+                            'dist_fullname': self.distribution.get_fullname(),
+                            'py_version': py_version,
+                            'py_version_short': '%d.%d' % sys.version_info[:2],
+                            'py_version_nodot': '%d%d' % sys.version_info[:2],
+                            'sys_prefix': prefix,
+                            'prefix': prefix,
+                            'sys_exec_prefix': exec_prefix,
+                            'exec_prefix': exec_prefix,
+                            'abiflags': abiflags,
+                            'platlibdir': sys.platlibdir,
+                           }
+
+        if HAS_USER_SITE:
+            self.config_vars['userbase'] = self.install_userbase
+            self.config_vars['usersite'] = self.install_usersite
+
+        if sysconfig.is_python_build(True):
+            self.config_vars['srcdir'] = sysconfig.get_config_var('srcdir')
+
+        self.expand_basedirs()
+
+        self.dump_dirs("post-expand_basedirs()")
+
+        # Now define config vars for the base directories so we can expand
+        # everything else.
+        self.config_vars['base'] = self.install_base
+        self.config_vars['platbase'] = self.install_platbase
+
+        if DEBUG:
+            from pprint import pprint
+            print("config vars:")
+            pprint(self.config_vars)
+
+        # Expand "~" and configuration variables in the installation
+        # directories.
+        self.expand_dirs()
+
+        self.dump_dirs("post-expand_dirs()")
+
+        # Create directories in the home dir:
+        if self.user:
+            self.create_home_path()
+
+        # Pick the actual directory to install all modules to: either
+        # install_purelib or install_platlib, depending on whether this
+        # module distribution is pure or not.  Of course, if the user
+        # already specified install_lib, use their selection.
+        if self.install_lib is None:
+            if self.distribution.ext_modules: # has extensions: non-pure
+                self.install_lib = self.install_platlib
+            else:
+                self.install_lib = self.install_purelib
+
+
+        # Convert directories from Unix /-separated syntax to the local
+        # convention.
+        self.convert_paths('lib', 'purelib', 'platlib',
+                           'scripts', 'data', 'headers')
+        if HAS_USER_SITE:
+            self.convert_paths('userbase', 'usersite')
+
+        # Deprecated
+        # Well, we're not actually fully completely finalized yet: we still
+        # have to deal with 'extra_path', which is the hack for allowing
+        # non-packagized module distributions (hello, Numerical Python!) to
+        # get their own directories.
+        self.handle_extra_path()
+        self.install_libbase = self.install_lib # needed for .pth file
+        self.install_lib = os.path.join(self.install_lib, self.extra_dirs)
+
+        # If a new root directory was supplied, make all the installation
+        # dirs relative to it.
+        if self.root is not None:
+            self.change_roots('libbase', 'lib', 'purelib', 'platlib',
+                              'scripts', 'data', 'headers')
+
+        self.dump_dirs("after prepending root")
+
+        # Find out the build directories, ie. where to install from.
+        self.set_undefined_options('build',
+                                   ('build_base', 'build_base'),
+                                   ('build_lib', 'build_lib'))
+
+        # Punt on doc directories for now -- after all, we're punting on
+        # documentation completely!
+
+    def dump_dirs(self, msg):
+        """Dumps the list of user options."""
+        if not DEBUG:
+            return
+        from distutils.fancy_getopt import longopt_xlate
+        log.debug(msg + ":")
+        for opt in self.user_options:
+            opt_name = opt[0]
+            if opt_name[-1] == "=":
+                opt_name = opt_name[0:-1]
+            if opt_name in self.negative_opt:
+                opt_name = self.negative_opt[opt_name]
+                opt_name = opt_name.translate(longopt_xlate)
+                val = not getattr(self, opt_name)
+            else:
+                opt_name = opt_name.translate(longopt_xlate)
+                val = getattr(self, opt_name)
+            log.debug("  %s: %s", opt_name, val)
+
+    def finalize_unix(self):
+        """Finalizes options for posix platforms."""
+        if self.install_base is not None or self.install_platbase is not None:
+            if ((self.install_lib is None and
+                 self.install_purelib is None and
+                 self.install_platlib is None) or
+                self.install_headers is None or
+                self.install_scripts is None or
+                self.install_data is None):
+                raise DistutilsOptionError(
+                      "install-base or install-platbase supplied, but "
+                      "installation scheme is incomplete")
+            return
+
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError(
+                    "User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme("unix_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("unix_home")
+        else:
+            if self.prefix is None:
+                if self.exec_prefix is not None:
+                    raise DistutilsOptionError(
+                          "must not supply exec-prefix without prefix")
+
+                self.prefix = os.path.normpath(sys.prefix)
+                self.exec_prefix = os.path.normpath(sys.exec_prefix)
+
+            else:
+                if self.exec_prefix is None:
+                    self.exec_prefix = self.prefix
+
+            self.install_base = self.prefix
+            self.install_platbase = self.exec_prefix
+            self.select_scheme("unix_prefix")
+
+    def finalize_other(self):
+        """Finalizes options for non-posix platforms"""
+        if self.user:
+            if self.install_userbase is None:
+                raise DistutilsPlatformError(
+                    "User base directory is not specified")
+            self.install_base = self.install_platbase = self.install_userbase
+            self.select_scheme(os.name + "_user")
+        elif self.home is not None:
+            self.install_base = self.install_platbase = self.home
+            self.select_scheme("unix_home")
+        else:
+            if self.prefix is None:
+                self.prefix = os.path.normpath(sys.prefix)
+
+            self.install_base = self.install_platbase = self.prefix
+            try:
+                self.select_scheme(os.name)
+            except KeyError:
+                raise DistutilsPlatformError(
+                      "I don't know how to install stuff on '%s'" % os.name)
+
+    def select_scheme(self, name):
+        """Sets the install directories by applying the install schemes."""
+        # it's the caller's problem if they supply a bad name!
+        scheme = INSTALL_SCHEMES[name]
+        for key in SCHEME_KEYS:
+            attrname = 'install_' + key
+            if getattr(self, attrname) is None:
+                setattr(self, attrname, scheme[key])
+
+    def _expand_attrs(self, attrs):
+        for attr in attrs:
+            val = getattr(self, attr)
+            if val is not None:
+                if os.name == 'posix' or os.name == 'nt':
+                    val = os.path.expanduser(val)
+                val = subst_vars(val, self.config_vars)
+                setattr(self, attr, val)
+
+    def expand_basedirs(self):
+        """Calls `os.path.expanduser` on install_base, install_platbase and
+        root."""
+        self._expand_attrs(['install_base', 'install_platbase', 'root'])
+
+    def expand_dirs(self):
+        """Calls `os.path.expanduser` on install dirs."""
+        self._expand_attrs(['install_purelib', 'install_platlib',
+                            'install_lib', 'install_headers',
+                            'install_scripts', 'install_data',])
+
+    def convert_paths(self, *names):
+        """Call `convert_path` over `names`."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, convert_path(getattr(self, attr)))
+
+    def handle_extra_path(self):
+        """Set `path_file` and `extra_dirs` using `extra_path`."""
+        if self.extra_path is None:
+            self.extra_path = self.distribution.extra_path
+
+        if self.extra_path is not None:
+            log.warn(
+                "Distribution option extra_path is deprecated. "
+                "See issue27919 for details."
+            )
+            if isinstance(self.extra_path, str):
+                self.extra_path = self.extra_path.split(',')
+
+            if len(self.extra_path) == 1:
+                path_file = extra_dirs = self.extra_path[0]
+            elif len(self.extra_path) == 2:
+                path_file, extra_dirs = self.extra_path
+            else:
+                raise DistutilsOptionError(
+                      "'extra_path' option must be a list, tuple, or "
+                      "comma-separated string with 1 or 2 elements")
+
+            # convert to local form in case Unix notation used (as it
+            # should be in setup scripts)
+            extra_dirs = convert_path(extra_dirs)
+        else:
+            path_file = None
+            extra_dirs = ''
+
+        # XXX should we warn if path_file and not extra_dirs? (in which
+        # case the path file would be harmless but pointless)
+        self.path_file = path_file
+        self.extra_dirs = extra_dirs
+
+    def change_roots(self, *names):
+        """Change the install directories pointed by name using root."""
+        for name in names:
+            attr = "install_" + name
+            setattr(self, attr, change_root(self.root, getattr(self, attr)))
+
+    def create_home_path(self):
+        """Create directories under ~."""
+        if not self.user:
+            return
+        home = convert_path(os.path.expanduser("~"))
+        for name, path in self.config_vars.items():
+            if path.startswith(home) and not os.path.isdir(path):
+                self.debug_print("os.makedirs('%s', 0o700)" % path)
+                os.makedirs(path, 0o700)
+
+    # -- Command execution methods -------------------------------------
+
+    def run(self):
+        """Runs the command."""
+        # Obviously have to build before we can install
+        if not self.skip_build:
+            self.run_command('build')
+            # If we built for any other platform, we can't install.
+            build_plat = self.distribution.get_command_obj('build').plat_name
+            # check warn_dir - it is a clue that the 'install' is happening
+            # internally, and not to sys.path, so we don't check the platform
+            # matches what we are running.
+            if self.warn_dir and build_plat != get_platform():
+                raise DistutilsPlatformError("Can't install when "
+                                             "cross-compiling")
+
+        # Run all sub-commands (at least those that need to be run)
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        if self.path_file:
+            self.create_path_file()
+
+        # write list of installed files, if requested.
+        if self.record:
+            outputs = self.get_outputs()
+            if self.root:               # strip any package prefix
+                root_len = len(self.root)
+                for counter in range(len(outputs)):
+                    outputs[counter] = outputs[counter][root_len:]
+            self.execute(write_file,
+                         (self.record, outputs),
+                         "writing list of installed files to '%s'" %
+                         self.record)
+
+        sys_path = map(os.path.normpath, sys.path)
+        sys_path = map(os.path.normcase, sys_path)
+        install_lib = os.path.normcase(os.path.normpath(self.install_lib))
+        if (self.warn_dir and
+            not (self.path_file and self.install_path_file) and
+            install_lib not in sys_path):
+            log.debug(("modules installed to '%s', which is not in "
+                       "Python's module search path (sys.path) -- "
+                       "you'll have to change the search path yourself"),
+                       self.install_lib)
+
+    def create_path_file(self):
+        """Creates the .pth file"""
+        filename = os.path.join(self.install_libbase,
+                                self.path_file + ".pth")
+        if self.install_path_file:
+            self.execute(write_file,
+                         (filename, [self.extra_dirs]),
+                         "creating %s" % filename)
+        else:
+            self.warn("path file '%s' not created" % filename)
+
+
+    # -- Reporting methods ---------------------------------------------
+
+    def get_outputs(self):
+        """Assembles the outputs of all the sub-commands."""
+        outputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            # Add the contents of cmd.get_outputs(), ensuring
+            # that outputs doesn't contain duplicate entries
+            for filename in cmd.get_outputs():
+                if filename not in outputs:
+                    outputs.append(filename)
+
+        if self.path_file and self.install_path_file:
+            outputs.append(os.path.join(self.install_libbase,
+                                        self.path_file + ".pth"))
+
+        return outputs
+
+    def get_inputs(self):
+        """Returns the inputs of all the sub-commands"""
+        # XXX gee, this looks familiar ;-(
+        inputs = []
+        for cmd_name in self.get_sub_commands():
+            cmd = self.get_finalized_command(cmd_name)
+            inputs.extend(cmd.get_inputs())
+
+        return inputs
+
+    # -- Predicates for sub-command list -------------------------------
+
+    def has_lib(self):
+        """Returns true if the current distribution has any Python
+        modules to install."""
+        return (self.distribution.has_pure_modules() or
+                self.distribution.has_ext_modules())
+
+    def has_headers(self):
+        """Returns true if the current distribution has any headers to
+        install."""
+        return self.distribution.has_headers()
+
+    def has_scripts(self):
+        """Returns true if the current distribution has any scripts to.
+        install."""
+        return self.distribution.has_scripts()
+
+    def has_data(self):
+        """Returns true if the current distribution has any data to.
+        install."""
+        return self.distribution.has_data_files()
+
+    # 'sub_commands': a list of commands this command might have to run to
+    # get its work done.  See cmd.py for more info.
+    sub_commands = [('install_lib',     has_lib),
+                    ('install_headers', has_headers),
+                    ('install_scripts', has_scripts),
+                    ('install_data',    has_data),
+                    ('install_egg_info', lambda self:True),
+                   ]

evalkit_llava/lib/python3.10/distutils/command/register.py

@@ -0,0 +1,304 @@
+"""distutils.command.register
+
+Implements the Distutils 'register' command (register with the repository).
+"""
+
+# created 2002/10/21, Richard Jones
+
+import getpass
+import io
+import urllib.parse, urllib.request
+from warnings import warn
+
+from distutils.core import PyPIRCCommand
+from distutils.errors import *
+from distutils import log
+
+class register(PyPIRCCommand):
+
+    description = ("register the distribution with the Python package index")
+    user_options = PyPIRCCommand.user_options + [
+        ('list-classifiers', None,
+         'list the valid Trove classifiers'),
+        ('strict', None ,
+         'Will stop the registering if the meta-data are not fully compliant')
+        ]
+    boolean_options = PyPIRCCommand.boolean_options + [
+        'verify', 'list-classifiers', 'strict']
+
+    sub_commands = [('check', lambda self: True)]
+
+    def initialize_options(self):
+        PyPIRCCommand.initialize_options(self)
+        self.list_classifiers = 0
+        self.strict = 0
+
+    def finalize_options(self):
+        PyPIRCCommand.finalize_options(self)
+        # setting options for the `check` subcommand
+        check_options = {'strict': ('register', self.strict),
+                         'restructuredtext': ('register', 1)}
+        self.distribution.command_options['check'] = check_options
+
+    def run(self):
+        self.finalize_options()
+        self._set_config()
+
+        # Run sub commands
+        for cmd_name in self.get_sub_commands():
+            self.run_command(cmd_name)
+
+        if self.dry_run:
+            self.verify_metadata()
+        elif self.list_classifiers:
+            self.classifiers()
+        else:
+            self.send_metadata()
+
+    def check_metadata(self):
+        """Deprecated API."""
+        warn("distutils.command.register.check_metadata is deprecated, \
+              use the check command instead", PendingDeprecationWarning)
+        check = self.distribution.get_command_obj('check')
+        check.ensure_finalized()
+        check.strict = self.strict
+        check.restructuredtext = 1
+        check.run()
+
+    def _set_config(self):
+        ''' Reads the configuration file and set attributes.
+        '''
+        config = self._read_pypirc()
+        if config != {}:
+            self.username = config['username']
+            self.password = config['password']
+            self.repository = config['repository']
+            self.realm = config['realm']
+            self.has_config = True
+        else:
+            if self.repository not in ('pypi', self.DEFAULT_REPOSITORY):
+                raise ValueError('%s not found in .pypirc' % self.repository)
+            if self.repository == 'pypi':
+                self.repository = self.DEFAULT_REPOSITORY
+            self.has_config = False
+
+    def classifiers(self):
+        ''' Fetch the list of classifiers from the server.
+        '''
+        url = self.repository+'?:action=list_classifiers'
+        response = urllib.request.urlopen(url)
+        log.info(self._read_pypi_response(response))
+
+    def verify_metadata(self):
+        ''' Send the metadata to the package index server to be checked.
+        '''
+        # send the info to the server and report the result
+        (code, result) = self.post_to_server(self.build_post_data('verify'))
+        log.info('Server response (%s): %s', code, result)
+
+    def send_metadata(self):
+        ''' Send the metadata to the package index server.
+
+            Well, do the following:
+            1. figure who the user is, and then
+            2. send the data as a Basic auth'ed POST.
+
+            First we try to read the username/password from $HOME/.pypirc,
+            which is a ConfigParser-formatted file with a section
+            [distutils] containing username and password entries (both
+            in clear text). Eg:
+
+                [distutils]
+                index-servers =
+                    pypi
+
+                [pypi]
+                username: fred
+                password: sekrit
+
+            Otherwise, to figure who the user is, we offer the user three
+            choices:
+
+             1. use existing login,
+             2. register as a new user, or
+             3. set the password to a random string and email the user.
+
+        '''
+        # see if we can short-cut and get the username/password from the
+        # config
+        if self.has_config:
+            choice = '1'
+            username = self.username
+            password = self.password
+        else:
+            choice = 'x'
+            username = password = ''
+
+        # get the user's login info
+        choices = '1 2 3 4'.split()
+        while choice not in choices:
+            self.announce('''\
+We need to know who you are, so please choose either:
+ 1. use your existing login,
+ 2. register as a new user,
+ 3. have the server generate a new password for you (and email it to you), or
+ 4. quit
+Your selection [default 1]: ''', log.INFO)
+            choice = input()
+            if not choice:
+                choice = '1'
+            elif choice not in choices:
+                print('Please choose one of the four options!')
+
+        if choice == '1':
+            # get the username and password
+            while not username:
+                username = input('Username: ')
+            while not password:
+                password = getpass.getpass('Password: ')
+
+            # set up the authentication
+            auth = urllib.request.HTTPPasswordMgr()
+            host = urllib.parse.urlparse(self.repository)[1]
+            auth.add_password(self.realm, host, username, password)
+            # send the info to the server and report the result
+            code, result = self.post_to_server(self.build_post_data('submit'),
+                auth)
+            self.announce('Server response (%s): %s' % (code, result),
+                          log.INFO)
+
+            # possibly save the login
+            if code == 200:
+                if self.has_config:
+                    # sharing the password in the distribution instance
+                    # so the upload command can reuse it
+                    self.distribution.password = password
+                else:
+                    self.announce(('I can store your PyPI login so future '
+                                   'submissions will be faster.'), log.INFO)
+                    self.announce('(the login will be stored in %s)' % \
+                                  self._get_rc_file(), log.INFO)
+                    choice = 'X'
+                    while choice.lower() not in 'yn':
+                        choice = input('Save your login (y/N)?')
+                        if not choice:
+                            choice = 'n'
+                    if choice.lower() == 'y':
+                        self._store_pypirc(username, password)
+
+        elif choice == '2':
+            data = {':action': 'user'}
+            data['name'] = data['password'] = data['email'] = ''
+            data['confirm'] = None
+            while not data['name']:
+                data['name'] = input('Username: ')
+            while data['password'] != data['confirm']:
+                while not data['password']:
+                    data['password'] = getpass.getpass('Password: ')
+                while not data['confirm']:
+                    data['confirm'] = getpass.getpass(' Confirm: ')
+                if data['password'] != data['confirm']:
+                    data['password'] = ''
+                    data['confirm'] = None
+                    print("Password and confirm don't match!")
+            while not data['email']:
+                data['email'] = input('   EMail: ')
+            code, result = self.post_to_server(data)
+            if code != 200:
+                log.info('Server response (%s): %s', code, result)
+            else:
+                log.info('You will receive an email shortly.')
+                log.info(('Follow the instructions in it to '
+                          'complete registration.'))
+        elif choice == '3':
+            data = {':action': 'password_reset'}
+            data['email'] = ''
+            while not data['email']:
+                data['email'] = input('Your email address: ')
+            code, result = self.post_to_server(data)
+            log.info('Server response (%s): %s', code, result)
+
+    def build_post_data(self, action):
+        # figure the data to send - the metadata plus some additional
+        # information used by the package server
+        meta = self.distribution.metadata
+        data = {
+            ':action': action,
+            'metadata_version' : '1.0',
+            'name': meta.get_name(),
+            'version': meta.get_version(),
+            'summary': meta.get_description(),
+            'home_page': meta.get_url(),
+            'author': meta.get_contact(),
+            'author_email': meta.get_contact_email(),
+            'license': meta.get_licence(),
+            'description': meta.get_long_description(),
+            'keywords': meta.get_keywords(),
+            'platform': meta.get_platforms(),
+            'classifiers': meta.get_classifiers(),
+            'download_url': meta.get_download_url(),
+            # PEP 314
+            'provides': meta.get_provides(),
+            'requires': meta.get_requires(),
+            'obsoletes': meta.get_obsoletes(),
+        }
+        if data['provides'] or data['requires'] or data['obsoletes']:
+            data['metadata_version'] = '1.1'
+        return data
+
+    def post_to_server(self, data, auth=None):
+        ''' Post a query to the server, and return a string response.
+        '''
+        if 'name' in data:
+            self.announce('Registering %s to %s' % (data['name'],
+                                                    self.repository),
+                                                    log.INFO)
+        # Build up the MIME payload for the urllib2 POST data
+        boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
+        sep_boundary = '\n--' + boundary
+        end_boundary = sep_boundary + '--'
+        body = io.StringIO()
+        for key, value in data.items():
+            # handle multiple entries for the same name
+            if type(value) not in (type([]), type( () )):
+                value = [value]
+            for value in value:
+                value = str(value)
+                body.write(sep_boundary)
+                body.write('\nContent-Disposition: form-data; name="%s"'%key)
+                body.write("\n\n")
+                body.write(value)
+                if value and value[-1] == '\r':
+                    body.write('\n')  # write an extra newline (lurve Macs)
+        body.write(end_boundary)
+        body.write("\n")
+        body = body.getvalue().encode("utf-8")
+
+        # build the Request
+        headers = {
+            'Content-type': 'multipart/form-data; boundary=%s; charset=utf-8'%boundary,
+            'Content-length': str(len(body))
+        }
+        req = urllib.request.Request(self.repository, body, headers)
+
+        # handle HTTP and include the Basic Auth handler
+        opener = urllib.request.build_opener(
+            urllib.request.HTTPBasicAuthHandler(password_mgr=auth)
+        )
+        data = ''
+        try:
+            result = opener.open(req)
+        except urllib.error.HTTPError as e:
+            if self.show_response:
+                data = e.fp.read()
+            result = e.code, e.msg
+        except urllib.error.URLError as e:
+            result = 500, str(e)
+        else:
+            if self.show_response:
+                data = self._read_pypi_response(result)
+            result = 200, 'OK'
+        if self.show_response:
+            msg = '\n'.join(('-' * 75, data, '-' * 75))
+            self.announce(msg, log.INFO)
+        return result

evalkit_llava/lib/python3.10/getopt.py

@@ -0,0 +1,215 @@
+"""Parser for command line options.
+
+This module helps scripts to parse the command line arguments in
+sys.argv.  It supports the same conventions as the Unix getopt()
+function (including the special meanings of arguments of the form `-'
+and `--').  Long options similar to those supported by GNU software
+may be used as well via an optional third argument.  This module
+provides two functions and an exception:
+
+getopt() -- Parse command line options
+gnu_getopt() -- Like getopt(), but allow option and non-option arguments
+to be intermixed.
+GetoptError -- exception (class) raised with 'opt' attribute, which is the
+option involved with the exception.
+"""
+
+# Long option support added by Lars Wirzenius <[email protected]>.
+#
+# Gerrit Holl <[email protected]> moved the string-based exceptions
+# to class-based exceptions.
+#
+# Peter Åstrand <[email protected]> added gnu_getopt().
+#
+# TODO for gnu_getopt():
+#
+# - GNU getopt_long_only mechanism
+# - allow the caller to specify ordering
+# - RETURN_IN_ORDER option
+# - GNU extension with '-' as first character of option string
+# - optional arguments, specified by double colons
+# - an option string with a W followed by semicolon should
+#   treat "-W foo" as "--foo"
+
+__all__ = ["GetoptError","error","getopt","gnu_getopt"]
+
+import os
+try:
+    from gettext import gettext as _
+except ImportError:
+    # Bootstrapping Python: gettext's dependencies not built yet
+    def _(s): return s
+
+class GetoptError(Exception):
+    opt = ''
+    msg = ''
+    def __init__(self, msg, opt=''):
+        self.msg = msg
+        self.opt = opt
+        Exception.__init__(self, msg, opt)
+
+    def __str__(self):
+        return self.msg
+
+error = GetoptError # backward compatibility
+
+def getopt(args, shortopts, longopts = []):
+    """getopt(args, options[, long_options]) -> opts, args
+
+    Parses command line options and parameter list.  args is the
+    argument list to be parsed, without the leading reference to the
+    running program.  Typically, this means "sys.argv[1:]".  shortopts
+    is the string of option letters that the script wants to
+    recognize, with options that require an argument followed by a
+    colon (i.e., the same format that Unix getopt() uses).  If
+    specified, longopts is a list of strings with the names of the
+    long options which should be supported.  The leading '--'
+    characters should not be included in the option name.  Options
+    which require an argument should be followed by an equal sign
+    ('=').
+
+    The return value consists of two elements: the first is a list of
+    (option, value) pairs; the second is the list of program arguments
+    left after the option list was stripped (this is a trailing slice
+    of the first argument).  Each option-and-value pair returned has
+    the option as its first element, prefixed with a hyphen (e.g.,
+    '-x'), and the option argument as its second element, or an empty
+    string if the option has no argument.  The options occur in the
+    list in the same order in which they were found, thus allowing
+    multiple occurrences.  Long and short options may be mixed.
+
+    """
+
+    opts = []
+    if type(longopts) == type(""):
+        longopts = [longopts]
+    else:
+        longopts = list(longopts)
+    while args and args[0].startswith('-') and args[0] != '-':
+        if args[0] == '--':
+            args = args[1:]
+            break
+        if args[0].startswith('--'):
+            opts, args = do_longs(opts, args[0][2:], longopts, args[1:])
+        else:
+            opts, args = do_shorts(opts, args[0][1:], shortopts, args[1:])
+
+    return opts, args
+
+def gnu_getopt(args, shortopts, longopts = []):
+    """getopt(args, options[, long_options]) -> opts, args
+
+    This function works like getopt(), except that GNU style scanning
+    mode is used by default. This means that option and non-option
+    arguments may be intermixed. The getopt() function stops
+    processing options as soon as a non-option argument is
+    encountered.
+
+    If the first character of the option string is `+', or if the
+    environment variable POSIXLY_CORRECT is set, then option
+    processing stops as soon as a non-option argument is encountered.
+
+    """
+
+    opts = []
+    prog_args = []
+    if isinstance(longopts, str):
+        longopts = [longopts]
+    else:
+        longopts = list(longopts)
+
+    # Allow options after non-option arguments?
+    if shortopts.startswith('+'):
+        shortopts = shortopts[1:]
+        all_options_first = True
+    elif os.environ.get("POSIXLY_CORRECT"):
+        all_options_first = True
+    else:
+        all_options_first = False
+
+    while args:
+        if args[0] == '--':
+            prog_args += args[1:]
+            break
+
+        if args[0][:2] == '--':
+            opts, args = do_longs(opts, args[0][2:], longopts, args[1:])
+        elif args[0][:1] == '-' and args[0] != '-':
+            opts, args = do_shorts(opts, args[0][1:], shortopts, args[1:])
+        else:
+            if all_options_first:
+                prog_args += args
+                break
+            else:
+                prog_args.append(args[0])
+                args = args[1:]
+
+    return opts, prog_args
+
+def do_longs(opts, opt, longopts, args):
+    try:
+        i = opt.index('=')
+    except ValueError:
+        optarg = None
+    else:
+        opt, optarg = opt[:i], opt[i+1:]
+
+    has_arg, opt = long_has_args(opt, longopts)
+    if has_arg:
+        if optarg is None:
+            if not args:
+                raise GetoptError(_('option --%s requires argument') % opt, opt)
+            optarg, args = args[0], args[1:]
+    elif optarg is not None:
+        raise GetoptError(_('option --%s must not have an argument') % opt, opt)
+    opts.append(('--' + opt, optarg or ''))
+    return opts, args
+
+# Return:
+#   has_arg?
+#   full option name
+def long_has_args(opt, longopts):
+    possibilities = [o for o in longopts if o.startswith(opt)]
+    if not possibilities:
+        raise GetoptError(_('option --%s not recognized') % opt, opt)
+    # Is there an exact match?
+    if opt in possibilities:
+        return False, opt
+    elif opt + '=' in possibilities:
+        return True, opt
+    # No exact match, so better be unique.
+    if len(possibilities) > 1:
+        # XXX since possibilities contains all valid continuations, might be
+        # nice to work them into the error msg
+        raise GetoptError(_('option --%s not a unique prefix') % opt, opt)
+    assert len(possibilities) == 1
+    unique_match = possibilities[0]
+    has_arg = unique_match.endswith('=')
+    if has_arg:
+        unique_match = unique_match[:-1]
+    return has_arg, unique_match
+
+def do_shorts(opts, optstring, shortopts, args):
+    while optstring != '':
+        opt, optstring = optstring[0], optstring[1:]
+        if short_has_arg(opt, shortopts):
+            if optstring == '':
+                if not args:
+                    raise GetoptError(_('option -%s requires argument') % opt,
+                                      opt)
+                optstring, args = args[0], args[1:]
+            optarg, optstring = optstring, ''
+        else:
+            optarg = ''
+        opts.append(('-' + opt, optarg))
+    return opts, args
+
+def short_has_arg(opt, shortopts):
+    for i in range(len(shortopts)):
+        if opt == shortopts[i] != ':':
+            return shortopts.startswith(':', i+1)
+    raise GetoptError(_('option -%s not recognized') % opt, opt)
+
+if __name__ == '__main__':
+    import sys
+    print(getopt(sys.argv[1:], "a:b", ["alpha=", "beta"]))

evalkit_llava/lib/python3.10/gzip.py

@@ -0,0 +1,609 @@
+"""Functions that read and write gzipped files.
+
+The user of the file doesn't have to worry about the compression,
+but random access is not allowed."""
+
+# based on Andrew Kuchling's minigzip.py distributed with the zlib module
+
+import struct, sys, time, os
+import zlib
+import builtins
+import io
+import _compression
+
+__all__ = ["BadGzipFile", "GzipFile", "open", "compress", "decompress"]
+
+FTEXT, FHCRC, FEXTRA, FNAME, FCOMMENT = 1, 2, 4, 8, 16
+
+READ, WRITE = 1, 2
+
+_COMPRESS_LEVEL_FAST = 1
+_COMPRESS_LEVEL_TRADEOFF = 6
+_COMPRESS_LEVEL_BEST = 9
+
+
+def open(filename, mode="rb", compresslevel=_COMPRESS_LEVEL_BEST,
+         encoding=None, errors=None, newline=None):
+    """Open a gzip-compressed file in binary or text mode.
+
+    The filename argument can be an actual filename (a str or bytes object), or
+    an existing file object to read from or write to.
+
+    The mode argument can be "r", "rb", "w", "wb", "x", "xb", "a" or "ab" for
+    binary mode, or "rt", "wt", "xt" or "at" for text mode. The default mode is
+    "rb", and the default compresslevel is 9.
+
+    For binary mode, this function is equivalent to the GzipFile constructor:
+    GzipFile(filename, mode, compresslevel). In this case, the encoding, errors
+    and newline arguments must not be provided.
+
+    For text mode, a GzipFile object is created, and wrapped in an
+    io.TextIOWrapper instance with the specified encoding, error handling
+    behavior, and line ending(s).
+
+    """
+    if "t" in mode:
+        if "b" in mode:
+            raise ValueError("Invalid mode: %r" % (mode,))
+    else:
+        if encoding is not None:
+            raise ValueError("Argument 'encoding' not supported in binary mode")
+        if errors is not None:
+            raise ValueError("Argument 'errors' not supported in binary mode")
+        if newline is not None:
+            raise ValueError("Argument 'newline' not supported in binary mode")
+
+    gz_mode = mode.replace("t", "")
+    if isinstance(filename, (str, bytes, os.PathLike)):
+        binary_file = GzipFile(filename, gz_mode, compresslevel)
+    elif hasattr(filename, "read") or hasattr(filename, "write"):
+        binary_file = GzipFile(None, gz_mode, compresslevel, filename)
+    else:
+        raise TypeError("filename must be a str or bytes object, or a file")
+
+    if "t" in mode:
+        encoding = io.text_encoding(encoding)
+        return io.TextIOWrapper(binary_file, encoding, errors, newline)
+    else:
+        return binary_file
+
+def write32u(output, value):
+    # The L format writes the bit pattern correctly whether signed
+    # or unsigned.
+    output.write(struct.pack("<L", value))
+
+class _PaddedFile:
+    """Minimal read-only file object that prepends a string to the contents
+    of an actual file. Shouldn't be used outside of gzip.py, as it lacks
+    essential functionality."""
+
+    def __init__(self, f, prepend=b''):
+        self._buffer = prepend
+        self._length = len(prepend)
+        self.file = f
+        self._read = 0
+
+    def read(self, size):
+        if self._read is None:
+            return self.file.read(size)
+        if self._read + size <= self._length:
+            read = self._read
+            self._read += size
+            return self._buffer[read:self._read]
+        else:
+            read = self._read
+            self._read = None
+            return self._buffer[read:] + \
+                   self.file.read(size-self._length+read)
+
+    def prepend(self, prepend=b''):
+        if self._read is None:
+            self._buffer = prepend
+        else:  # Assume data was read since the last prepend() call
+            self._read -= len(prepend)
+            return
+        self._length = len(self._buffer)
+        self._read = 0
+
+    def seek(self, off):
+        self._read = None
+        self._buffer = None
+        return self.file.seek(off)
+
+    def seekable(self):
+        return True  # Allows fast-forwarding even in unseekable streams
+
+
+class BadGzipFile(OSError):
+    """Exception raised in some cases for invalid gzip files."""
+
+
+class GzipFile(_compression.BaseStream):
+    """The GzipFile class simulates most of the methods of a file object with
+    the exception of the truncate() method.
+
+    This class only supports opening files in binary mode. If you need to open a
+    compressed file in text mode, use the gzip.open() function.
+
+    """
+
+    # Overridden with internal file object to be closed, if only a filename
+    # is passed in
+    myfileobj = None
+
+    def __init__(self, filename=None, mode=None,
+                 compresslevel=_COMPRESS_LEVEL_BEST, fileobj=None, mtime=None):
+        """Constructor for the GzipFile class.
+
+        At least one of fileobj and filename must be given a
+        non-trivial value.
+
+        The new class instance is based on fileobj, which can be a regular
+        file, an io.BytesIO object, or any other object which simulates a file.
+        It defaults to None, in which case filename is opened to provide
+        a file object.
+
+        When fileobj is not None, the filename argument is only used to be
+        included in the gzip file header, which may include the original
+        filename of the uncompressed file.  It defaults to the filename of
+        fileobj, if discernible; otherwise, it defaults to the empty string,
+        and in this case the original filename is not included in the header.
+
+        The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', 'wb', 'x', or
+        'xb' depending on whether the file will be read or written.  The default
+        is the mode of fileobj if discernible; otherwise, the default is 'rb'.
+        A mode of 'r' is equivalent to one of 'rb', and similarly for 'w' and
+        'wb', 'a' and 'ab', and 'x' and 'xb'.
+
+        The compresslevel argument is an integer from 0 to 9 controlling the
+        level of compression; 1 is fastest and produces the least compression,
+        and 9 is slowest and produces the most compression. 0 is no compression
+        at all. The default is 9.
+
+        The mtime argument is an optional numeric timestamp to be written
+        to the last modification time field in the stream when compressing.
+        If omitted or None, the current time is used.
+
+        """
+
+        if mode and ('t' in mode or 'U' in mode):
+            raise ValueError("Invalid mode: {!r}".format(mode))
+        if mode and 'b' not in mode:
+            mode += 'b'
+        if fileobj is None:
+            fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
+        if filename is None:
+            filename = getattr(fileobj, 'name', '')
+            if not isinstance(filename, (str, bytes)):
+                filename = ''
+        else:
+            filename = os.fspath(filename)
+        origmode = mode
+        if mode is None:
+            mode = getattr(fileobj, 'mode', 'rb')
+
+        if mode.startswith('r'):
+            self.mode = READ
+            raw = _GzipReader(fileobj)
+            self._buffer = io.BufferedReader(raw)
+            self.name = filename
+
+        elif mode.startswith(('w', 'a', 'x')):
+            if origmode is None:
+                import warnings
+                warnings.warn(
+                    "GzipFile was opened for writing, but this will "
+                    "change in future Python releases.  "
+                    "Specify the mode argument for opening it for writing.",
+                    FutureWarning, 2)
+            self.mode = WRITE
+            self._init_write(filename)
+            self.compress = zlib.compressobj(compresslevel,
+                                             zlib.DEFLATED,
+                                             -zlib.MAX_WBITS,
+                                             zlib.DEF_MEM_LEVEL,
+                                             0)
+            self._write_mtime = mtime
+        else:
+            raise ValueError("Invalid mode: {!r}".format(mode))
+
+        self.fileobj = fileobj
+
+        if self.mode == WRITE:
+            self._write_gzip_header(compresslevel)
+
+    @property
+    def filename(self):
+        import warnings
+        warnings.warn("use the name attribute", DeprecationWarning, 2)
+        if self.mode == WRITE and self.name[-3:] != ".gz":
+            return self.name + ".gz"
+        return self.name
+
+    @property
+    def mtime(self):
+        """Last modification time read from stream, or None"""
+        return self._buffer.raw._last_mtime
+
+    def __repr__(self):
+        s = repr(self.fileobj)
+        return '<gzip ' + s[1:-1] + ' ' + hex(id(self)) + '>'
+
+    def _init_write(self, filename):
+        self.name = filename
+        self.crc = zlib.crc32(b"")
+        self.size = 0
+        self.writebuf = []
+        self.bufsize = 0
+        self.offset = 0  # Current file offset for seek(), tell(), etc
+
+    def _write_gzip_header(self, compresslevel):
+        self.fileobj.write(b'\037\213')             # magic header
+        self.fileobj.write(b'\010')                 # compression method
+        try:
+            # RFC 1952 requires the FNAME field to be Latin-1. Do not
+            # include filenames that cannot be represented that way.
+            fname = os.path.basename(self.name)
+            if not isinstance(fname, bytes):
+                fname = fname.encode('latin-1')
+            if fname.endswith(b'.gz'):
+                fname = fname[:-3]
+        except UnicodeEncodeError:
+            fname = b''
+        flags = 0
+        if fname:
+            flags = FNAME
+        self.fileobj.write(chr(flags).encode('latin-1'))
+        mtime = self._write_mtime
+        if mtime is None:
+            mtime = time.time()
+        write32u(self.fileobj, int(mtime))
+        if compresslevel == _COMPRESS_LEVEL_BEST:
+            xfl = b'\002'
+        elif compresslevel == _COMPRESS_LEVEL_FAST:
+            xfl = b'\004'
+        else:
+            xfl = b'\000'
+        self.fileobj.write(xfl)
+        self.fileobj.write(b'\377')
+        if fname:
+            self.fileobj.write(fname + b'\000')
+
+    def write(self,data):
+        self._check_not_closed()
+        if self.mode != WRITE:
+            import errno
+            raise OSError(errno.EBADF, "write() on read-only GzipFile object")
+
+        if self.fileobj is None:
+            raise ValueError("write() on closed GzipFile object")
+
+        if isinstance(data, (bytes, bytearray)):
+            length = len(data)
+        else:
+            # accept any data that supports the buffer protocol
+            data = memoryview(data)
+            length = data.nbytes
+
+        if length > 0:
+            self.fileobj.write(self.compress.compress(data))
+            self.size += length
+            self.crc = zlib.crc32(data, self.crc)
+            self.offset += length
+
+        return length
+
+    def read(self, size=-1):
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "read() on write-only GzipFile object")
+        return self._buffer.read(size)
+
+    def read1(self, size=-1):
+        """Implements BufferedIOBase.read1()
+
+        Reads up to a buffer's worth of data if size is negative."""
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "read1() on write-only GzipFile object")
+
+        if size < 0:
+            size = io.DEFAULT_BUFFER_SIZE
+        return self._buffer.read1(size)
+
+    def peek(self, n):
+        self._check_not_closed()
+        if self.mode != READ:
+            import errno
+            raise OSError(errno.EBADF, "peek() on write-only GzipFile object")
+        return self._buffer.peek(n)
+
+    @property
+    def closed(self):
+        return self.fileobj is None
+
+    def close(self):
+        fileobj = self.fileobj
+        if fileobj is None:
+            return
+        self.fileobj = None
+        try:
+            if self.mode == WRITE:
+                fileobj.write(self.compress.flush())
+                write32u(fileobj, self.crc)
+                # self.size may exceed 2 GiB, or even 4 GiB
+                write32u(fileobj, self.size & 0xffffffff)
+            elif self.mode == READ:
+                self._buffer.close()
+        finally:
+            myfileobj = self.myfileobj
+            if myfileobj:
+                self.myfileobj = None
+                myfileobj.close()
+
+    def flush(self,zlib_mode=zlib.Z_SYNC_FLUSH):
+        self._check_not_closed()
+        if self.mode == WRITE:
+            # Ensure the compressor's buffer is flushed
+            self.fileobj.write(self.compress.flush(zlib_mode))
+            self.fileobj.flush()
+
+    def fileno(self):
+        """Invoke the underlying file object's fileno() method.
+
+        This will raise AttributeError if the underlying file object
+        doesn't support fileno().
+        """
+        return self.fileobj.fileno()
+
+    def rewind(self):
+        '''Return the uncompressed stream file position indicator to the
+        beginning of the file'''
+        if self.mode != READ:
+            raise OSError("Can't rewind in write mode")
+        self._buffer.seek(0)
+
+    def readable(self):
+        return self.mode == READ
+
+    def writable(self):
+        return self.mode == WRITE
+
+    def seekable(self):
+        return True
+
+    def seek(self, offset, whence=io.SEEK_SET):
+        if self.mode == WRITE:
+            if whence != io.SEEK_SET:
+                if whence == io.SEEK_CUR:
+                    offset = self.offset + offset
+                else:
+                    raise ValueError('Seek from end not supported')
+            if offset < self.offset:
+                raise OSError('Negative seek in write mode')
+            count = offset - self.offset
+            chunk = b'\0' * 1024
+            for i in range(count // 1024):
+                self.write(chunk)
+            self.write(b'\0' * (count % 1024))
+        elif self.mode == READ:
+            self._check_not_closed()
+            return self._buffer.seek(offset, whence)
+
+        return self.offset
+
+    def readline(self, size=-1):
+        self._check_not_closed()
+        return self._buffer.readline(size)
+
+
+class _GzipReader(_compression.DecompressReader):
+    def __init__(self, fp):
+        super().__init__(_PaddedFile(fp), zlib.decompressobj,
+                         wbits=-zlib.MAX_WBITS)
+        # Set flag indicating start of a new member
+        self._new_member = True
+        self._last_mtime = None
+
+    def _init_read(self):
+        self._crc = zlib.crc32(b"")
+        self._stream_size = 0  # Decompressed size of unconcatenated stream
+
+    def _read_exact(self, n):
+        '''Read exactly *n* bytes from `self._fp`
+
+        This method is required because self._fp may be unbuffered,
+        i.e. return short reads.
+        '''
+
+        data = self._fp.read(n)
+        while len(data) < n:
+            b = self._fp.read(n - len(data))
+            if not b:
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
+            data += b
+        return data
+
+    def _read_gzip_header(self):
+        magic = self._fp.read(2)
+        if magic == b'':
+            return False
+
+        if magic != b'\037\213':
+            raise BadGzipFile('Not a gzipped file (%r)' % magic)
+
+        (method, flag,
+         self._last_mtime) = struct.unpack("<BBIxx", self._read_exact(8))
+        if method != 8:
+            raise BadGzipFile('Unknown compression method')
+
+        if flag & FEXTRA:
+            # Read & discard the extra field, if present
+            extra_len, = struct.unpack("<H", self._read_exact(2))
+            self._read_exact(extra_len)
+        if flag & FNAME:
+            # Read and discard a null-terminated string containing the filename
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FCOMMENT:
+            # Read and discard a null-terminated string containing a comment
+            while True:
+                s = self._fp.read(1)
+                if not s or s==b'\000':
+                    break
+        if flag & FHCRC:
+            self._read_exact(2)     # Read & discard the 16-bit header CRC
+        return True
+
+    def read(self, size=-1):
+        if size < 0:
+            return self.readall()
+        # size=0 is special because decompress(max_length=0) is not supported
+        if not size:
+            return b""
+
+        # For certain input data, a single
+        # call to decompress() may not return
+        # any data. In this case, retry until we get some data or reach EOF.
+        while True:
+            if self._decompressor.eof:
+                # Ending case: we've come to the end of a member in the file,
+                # so finish up this member, and read a new gzip header.
+                # Check the CRC and file size, and set the flag so we read
+                # a new member
+                self._read_eof()
+                self._new_member = True
+                self._decompressor = self._decomp_factory(
+                    **self._decomp_args)
+
+            if self._new_member:
+                # If the _new_member flag is set, we have to
+                # jump to the next member, if there is one.
+                self._init_read()
+                if not self._read_gzip_header():
+                    self._size = self._pos
+                    return b""
+                self._new_member = False
+
+            # Read a chunk of data from the file
+            buf = self._fp.read(io.DEFAULT_BUFFER_SIZE)
+
+            uncompress = self._decompressor.decompress(buf, size)
+            if self._decompressor.unconsumed_tail != b"":
+                self._fp.prepend(self._decompressor.unconsumed_tail)
+            elif self._decompressor.unused_data != b"":
+                # Prepend the already read bytes to the fileobj so they can
+                # be seen by _read_eof() and _read_gzip_header()
+                self._fp.prepend(self._decompressor.unused_data)
+
+            if uncompress != b"":
+                break
+            if buf == b"":
+                raise EOFError("Compressed file ended before the "
+                               "end-of-stream marker was reached")
+
+        self._add_read_data( uncompress )
+        self._pos += len(uncompress)
+        return uncompress
+
+    def _add_read_data(self, data):
+        self._crc = zlib.crc32(data, self._crc)
+        self._stream_size = self._stream_size + len(data)
+
+    def _read_eof(self):
+        # We've read to the end of the file
+        # We check that the computed CRC and size of the
+        # uncompressed data matches the stored values.  Note that the size
+        # stored is the true file size mod 2**32.
+        crc32, isize = struct.unpack("<II", self._read_exact(8))
+        if crc32 != self._crc:
+            raise BadGzipFile("CRC check failed %s != %s" % (hex(crc32),
+                                                             hex(self._crc)))
+        elif isize != (self._stream_size & 0xffffffff):
+            raise BadGzipFile("Incorrect length of data produced")
+
+        # Gzip files can be padded with zeroes and still have archives.
+        # Consume all zero bytes and set the file position to the first
+        # non-zero byte. See http://www.gzip.org/#faq8
+        c = b"\x00"
+        while c == b"\x00":
+            c = self._fp.read(1)
+        if c:
+            self._fp.prepend(c)
+
+    def _rewind(self):
+        super()._rewind()
+        self._new_member = True
+
+def compress(data, compresslevel=_COMPRESS_LEVEL_BEST, *, mtime=None):
+    """Compress data in one shot and return the compressed string.
+    Optional argument is the compression level, in range of 0-9.
+    """
+    buf = io.BytesIO()
+    with GzipFile(fileobj=buf, mode='wb', compresslevel=compresslevel, mtime=mtime) as f:
+        f.write(data)
+    return buf.getvalue()
+
+def decompress(data):
+    """Decompress a gzip compressed string in one shot.
+    Return the decompressed string.
+    """
+    with GzipFile(fileobj=io.BytesIO(data)) as f:
+        return f.read()
+
+
+def main():
+    from argparse import ArgumentParser
+    parser = ArgumentParser(description=
+        "A simple command line interface for the gzip module: act like gzip, "
+        "but do not delete the input file.")
+    group = parser.add_mutually_exclusive_group()
+    group.add_argument('--fast', action='store_true', help='compress faster')
+    group.add_argument('--best', action='store_true', help='compress better')
+    group.add_argument("-d", "--decompress", action="store_true",
+                        help="act like gunzip instead of gzip")
+
+    parser.add_argument("args", nargs="*", default=["-"], metavar='file')
+    args = parser.parse_args()
+
+    compresslevel = _COMPRESS_LEVEL_TRADEOFF
+    if args.fast:
+        compresslevel = _COMPRESS_LEVEL_FAST
+    elif args.best:
+        compresslevel = _COMPRESS_LEVEL_BEST
+
+    for arg in args.args:
+        if args.decompress:
+            if arg == "-":
+                f = GzipFile(filename="", mode="rb", fileobj=sys.stdin.buffer)
+                g = sys.stdout.buffer
+            else:
+                if arg[-3:] != ".gz":
+                    sys.exit(f"filename doesn't end in .gz: {arg!r}")
+                f = open(arg, "rb")
+                g = builtins.open(arg[:-3], "wb")
+        else:
+            if arg == "-":
+                f = sys.stdin.buffer
+                g = GzipFile(filename="", mode="wb", fileobj=sys.stdout.buffer,
+                             compresslevel=compresslevel)
+            else:
+                f = builtins.open(arg, "rb")
+                g = open(arg + ".gz", "wb")
+        while True:
+            chunk = f.read(io.DEFAULT_BUFFER_SIZE)
+            if not chunk:
+                break
+            g.write(chunk)
+        if g is not sys.stdout.buffer:
+            g.close()
+        if f is not sys.stdin.buffer:
+            f.close()
+
+if __name__ == '__main__':
+    main()

evalkit_llava/lib/python3.10/json/__init__.py

@@ -0,0 +1,359 @@
+r"""JSON (JavaScript Object Notation) <https://json.org> is a subset of
+JavaScript syntax (ECMA-262 3rd edition) used as a lightweight data
+interchange format.
+
+:mod:`json` exposes an API familiar to users of the standard library
+:mod:`marshal` and :mod:`pickle` modules.  It is derived from a
+version of the externally maintained simplejson library.
+
+Encoding basic Python object hierarchies::
+
+    >>> import json
+    >>> json.dumps(['foo', {'bar': ('baz', None, 1.0, 2)}])
+    '["foo", {"bar": ["baz", null, 1.0, 2]}]'
+    >>> print(json.dumps("\"foo\bar"))
+    "\"foo\bar"
+    >>> print(json.dumps('\u1234'))
+    "\u1234"
+    >>> print(json.dumps('\\'))
+    "\\"
+    >>> print(json.dumps({"c": 0, "b": 0, "a": 0}, sort_keys=True))
+    {"a": 0, "b": 0, "c": 0}
+    >>> from io import StringIO
+    >>> io = StringIO()
+    >>> json.dump(['streaming API'], io)
+    >>> io.getvalue()
+    '["streaming API"]'
+
+Compact encoding::
+
+    >>> import json
+    >>> mydict = {'4': 5, '6': 7}
+    >>> json.dumps([1,2,3,mydict], separators=(',', ':'))
+    '[1,2,3,{"4":5,"6":7}]'
+
+Pretty printing::
+
+    >>> import json
+    >>> print(json.dumps({'4': 5, '6': 7}, sort_keys=True, indent=4))
+    {
+        "4": 5,
+        "6": 7
+    }
+
+Decoding JSON::
+
+    >>> import json
+    >>> obj = ['foo', {'bar': ['baz', None, 1.0, 2]}]
+    >>> json.loads('["foo", {"bar":["baz", null, 1.0, 2]}]') == obj
+    True
+    >>> json.loads('"\\"foo\\bar"') == '"foo\x08ar'
+    True
+    >>> from io import StringIO
+    >>> io = StringIO('["streaming API"]')
+    >>> json.load(io)[0] == 'streaming API'
+    True
+
+Specializing JSON object decoding::
+
+    >>> import json
+    >>> def as_complex(dct):
+    ...     if '__complex__' in dct:
+    ...         return complex(dct['real'], dct['imag'])
+    ...     return dct
+    ...
+    >>> json.loads('{"__complex__": true, "real": 1, "imag": 2}',
+    ...     object_hook=as_complex)
+    (1+2j)
+    >>> from decimal import Decimal
+    >>> json.loads('1.1', parse_float=Decimal) == Decimal('1.1')
+    True
+
+Specializing JSON object encoding::
+
+    >>> import json
+    >>> def encode_complex(obj):
+    ...     if isinstance(obj, complex):
+    ...         return [obj.real, obj.imag]
+    ...     raise TypeError(f'Object of type {obj.__class__.__name__} '
+    ...                     f'is not JSON serializable')
+    ...
+    >>> json.dumps(2 + 1j, default=encode_complex)
+    '[2.0, 1.0]'
+    >>> json.JSONEncoder(default=encode_complex).encode(2 + 1j)
+    '[2.0, 1.0]'
+    >>> ''.join(json.JSONEncoder(default=encode_complex).iterencode(2 + 1j))
+    '[2.0, 1.0]'
+
+
+Using json.tool from the shell to validate and pretty-print::
+
+    $ echo '{"json":"obj"}' | python -m json.tool
+    {
+        "json": "obj"
+    }
+    $ echo '{ 1.2:3.4}' | python -m json.tool
+    Expecting property name enclosed in double quotes: line 1 column 3 (char 2)
+"""
+__version__ = '2.0.9'
+__all__ = [
+    'dump', 'dumps', 'load', 'loads',
+    'JSONDecoder', 'JSONDecodeError', 'JSONEncoder',
+]
+
+__author__ = 'Bob Ippolito <[email protected]>'
+
+from .decoder import JSONDecoder, JSONDecodeError
+from .encoder import JSONEncoder
+import codecs
+
+_default_encoder = JSONEncoder(
+    skipkeys=False,
+    ensure_ascii=True,
+    check_circular=True,
+    allow_nan=True,
+    indent=None,
+    separators=None,
+    default=None,
+)
+
+def dump(obj, fp, *, skipkeys=False, ensure_ascii=True, check_circular=True,
+        allow_nan=True, cls=None, indent=None, separators=None,
+        default=None, sort_keys=False, **kw):
+    """Serialize ``obj`` as a JSON formatted stream to ``fp`` (a
+    ``.write()``-supporting file-like object).
+
+    If ``skipkeys`` is true then ``dict`` keys that are not basic types
+    (``str``, ``int``, ``float``, ``bool``, ``None``) will be skipped
+    instead of raising a ``TypeError``.
+
+    If ``ensure_ascii`` is false, then the strings written to ``fp`` can
+    contain non-ASCII characters if they appear in strings contained in
+    ``obj``. Otherwise, all such characters are escaped in JSON strings.
+
+    If ``check_circular`` is false, then the circular reference check
+    for container types will be skipped and a circular reference will
+    result in an ``RecursionError`` (or worse).
+
+    If ``allow_nan`` is false, then it will be a ``ValueError`` to
+    serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``)
+    in strict compliance of the JSON specification, instead of using the
+    JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).
+
+    If ``indent`` is a non-negative integer, then JSON array elements and
+    object members will be pretty-printed with that indent level. An indent
+    level of 0 will only insert newlines. ``None`` is the most compact
+    representation.
+
+    If specified, ``separators`` should be an ``(item_separator, key_separator)``
+    tuple.  The default is ``(', ', ': ')`` if *indent* is ``None`` and
+    ``(',', ': ')`` otherwise.  To get the most compact JSON representation,
+    you should specify ``(',', ':')`` to eliminate whitespace.
+
+    ``default(obj)`` is a function that should return a serializable version
+    of obj or raise TypeError. The default simply raises TypeError.
+
+    If *sort_keys* is true (default: ``False``), then the output of
+    dictionaries will be sorted by key.
+
+    To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the
+    ``.default()`` method to serialize additional types), specify it with
+    the ``cls`` kwarg; otherwise ``JSONEncoder`` is used.
+
+    """
+    # cached encoder
+    if (not skipkeys and ensure_ascii and
+        check_circular and allow_nan and
+        cls is None and indent is None and separators is None and
+        default is None and not sort_keys and not kw):
+        iterable = _default_encoder.iterencode(obj)
+    else:
+        if cls is None:
+            cls = JSONEncoder
+        iterable = cls(skipkeys=skipkeys, ensure_ascii=ensure_ascii,
+            check_circular=check_circular, allow_nan=allow_nan, indent=indent,
+            separators=separators,
+            default=default, sort_keys=sort_keys, **kw).iterencode(obj)
+    # could accelerate with writelines in some versions of Python, at
+    # a debuggability cost
+    for chunk in iterable:
+        fp.write(chunk)
+
+
+def dumps(obj, *, skipkeys=False, ensure_ascii=True, check_circular=True,
+        allow_nan=True, cls=None, indent=None, separators=None,
+        default=None, sort_keys=False, **kw):
+    """Serialize ``obj`` to a JSON formatted ``str``.
+
+    If ``skipkeys`` is true then ``dict`` keys that are not basic types
+    (``str``, ``int``, ``float``, ``bool``, ``None``) will be skipped
+    instead of raising a ``TypeError``.
+
+    If ``ensure_ascii`` is false, then the return value can contain non-ASCII
+    characters if they appear in strings contained in ``obj``. Otherwise, all
+    such characters are escaped in JSON strings.
+
+    If ``check_circular`` is false, then the circular reference check
+    for container types will be skipped and a circular reference will
+    result in an ``RecursionError`` (or worse).
+
+    If ``allow_nan`` is false, then it will be a ``ValueError`` to
+    serialize out of range ``float`` values (``nan``, ``inf``, ``-inf``) in
+    strict compliance of the JSON specification, instead of using the
+    JavaScript equivalents (``NaN``, ``Infinity``, ``-Infinity``).
+
+    If ``indent`` is a non-negative integer, then JSON array elements and
+    object members will be pretty-printed with that indent level. An indent
+    level of 0 will only insert newlines. ``None`` is the most compact
+    representation.
+
+    If specified, ``separators`` should be an ``(item_separator, key_separator)``
+    tuple.  The default is ``(', ', ': ')`` if *indent* is ``None`` and
+    ``(',', ': ')`` otherwise.  To get the most compact JSON representation,
+    you should specify ``(',', ':')`` to eliminate whitespace.
+
+    ``default(obj)`` is a function that should return a serializable version
+    of obj or raise TypeError. The default simply raises TypeError.
+
+    If *sort_keys* is true (default: ``False``), then the output of
+    dictionaries will be sorted by key.
+
+    To use a custom ``JSONEncoder`` subclass (e.g. one that overrides the
+    ``.default()`` method to serialize additional types), specify it with
+    the ``cls`` kwarg; otherwise ``JSONEncoder`` is used.
+
+    """
+    # cached encoder
+    if (not skipkeys and ensure_ascii and
+        check_circular and allow_nan and
+        cls is None and indent is None and separators is None and
+        default is None and not sort_keys and not kw):
+        return _default_encoder.encode(obj)
+    if cls is None:
+        cls = JSONEncoder
+    return cls(
+        skipkeys=skipkeys, ensure_ascii=ensure_ascii,
+        check_circular=check_circular, allow_nan=allow_nan, indent=indent,
+        separators=separators, default=default, sort_keys=sort_keys,
+        **kw).encode(obj)
+
+
+_default_decoder = JSONDecoder(object_hook=None, object_pairs_hook=None)
+
+
+def detect_encoding(b):
+    bstartswith = b.startswith
+    if bstartswith((codecs.BOM_UTF32_BE, codecs.BOM_UTF32_LE)):
+        return 'utf-32'
+    if bstartswith((codecs.BOM_UTF16_BE, codecs.BOM_UTF16_LE)):
+        return 'utf-16'
+    if bstartswith(codecs.BOM_UTF8):
+        return 'utf-8-sig'
+
+    if len(b) >= 4:
+        if not b[0]:
+            # 00 00 -- -- - utf-32-be
+            # 00 XX -- -- - utf-16-be
+            return 'utf-16-be' if b[1] else 'utf-32-be'
+        if not b[1]:
+            # XX 00 00 00 - utf-32-le
+            # XX 00 00 XX - utf-16-le
+            # XX 00 XX -- - utf-16-le
+            return 'utf-16-le' if b[2] or b[3] else 'utf-32-le'
+    elif len(b) == 2:
+        if not b[0]:
+            # 00 XX - utf-16-be
+            return 'utf-16-be'
+        if not b[1]:
+            # XX 00 - utf-16-le
+            return 'utf-16-le'
+    # default
+    return 'utf-8'
+
+
+def load(fp, *, cls=None, object_hook=None, parse_float=None,
+        parse_int=None, parse_constant=None, object_pairs_hook=None, **kw):
+    """Deserialize ``fp`` (a ``.read()``-supporting file-like object containing
+    a JSON document) to a Python object.
+
+    ``object_hook`` is an optional function that will be called with the
+    result of any object literal decode (a ``dict``). The return value of
+    ``object_hook`` will be used instead of the ``dict``. This feature
+    can be used to implement custom decoders (e.g. JSON-RPC class hinting).
+
+    ``object_pairs_hook`` is an optional function that will be called with the
+    result of any object literal decoded with an ordered list of pairs.  The
+    return value of ``object_pairs_hook`` will be used instead of the ``dict``.
+    This feature can be used to implement custom decoders.  If ``object_hook``
+    is also defined, the ``object_pairs_hook`` takes priority.
+
+    To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``
+    kwarg; otherwise ``JSONDecoder`` is used.
+    """
+    return loads(fp.read(),
+        cls=cls, object_hook=object_hook,
+        parse_float=parse_float, parse_int=parse_int,
+        parse_constant=parse_constant, object_pairs_hook=object_pairs_hook, **kw)
+
+
+def loads(s, *, cls=None, object_hook=None, parse_float=None,
+        parse_int=None, parse_constant=None, object_pairs_hook=None, **kw):
+    """Deserialize ``s`` (a ``str``, ``bytes`` or ``bytearray`` instance
+    containing a JSON document) to a Python object.
+
+    ``object_hook`` is an optional function that will be called with the
+    result of any object literal decode (a ``dict``). The return value of
+    ``object_hook`` will be used instead of the ``dict``. This feature
+    can be used to implement custom decoders (e.g. JSON-RPC class hinting).
+
+    ``object_pairs_hook`` is an optional function that will be called with the
+    result of any object literal decoded with an ordered list of pairs.  The
+    return value of ``object_pairs_hook`` will be used instead of the ``dict``.
+    This feature can be used to implement custom decoders.  If ``object_hook``
+    is also defined, the ``object_pairs_hook`` takes priority.
+
+    ``parse_float``, if specified, will be called with the string
+    of every JSON float to be decoded. By default this is equivalent to
+    float(num_str). This can be used to use another datatype or parser
+    for JSON floats (e.g. decimal.Decimal).
+
+    ``parse_int``, if specified, will be called with the string
+    of every JSON int to be decoded. By default this is equivalent to
+    int(num_str). This can be used to use another datatype or parser
+    for JSON integers (e.g. float).
+
+    ``parse_constant``, if specified, will be called with one of the
+    following strings: -Infinity, Infinity, NaN.
+    This can be used to raise an exception if invalid JSON numbers
+    are encountered.
+
+    To use a custom ``JSONDecoder`` subclass, specify it with the ``cls``
+    kwarg; otherwise ``JSONDecoder`` is used.
+    """
+    if isinstance(s, str):
+        if s.startswith('\ufeff'):
+            raise JSONDecodeError("Unexpected UTF-8 BOM (decode using utf-8-sig)",
+                                  s, 0)
+    else:
+        if not isinstance(s, (bytes, bytearray)):
+            raise TypeError(f'the JSON object must be str, bytes or bytearray, '
+                            f'not {s.__class__.__name__}')
+        s = s.decode(detect_encoding(s), 'surrogatepass')
+
+    if (cls is None and object_hook is None and
+            parse_int is None and parse_float is None and
+            parse_constant is None and object_pairs_hook is None and not kw):
+        return _default_decoder.decode(s)
+    if cls is None:
+        cls = JSONDecoder
+    if object_hook is not None:
+        kw['object_hook'] = object_hook
+    if object_pairs_hook is not None:
+        kw['object_pairs_hook'] = object_pairs_hook
+    if parse_float is not None:
+        kw['parse_float'] = parse_float
+    if parse_int is not None:
+        kw['parse_int'] = parse_int
+    if parse_constant is not None:
+        kw['parse_constant'] = parse_constant
+    return cls(**kw).decode(s)

evalkit_llava/lib/python3.10/json/scanner.py

@@ -0,0 +1,73 @@
+"""JSON token scanner
+"""
+import re
+try:
+    from _json import make_scanner as c_make_scanner
+except ImportError:
+    c_make_scanner = None
+
+__all__ = ['make_scanner']
+
+NUMBER_RE = re.compile(
+    r'(-?(?:0|[1-9]\d*))(\.\d+)?([eE][-+]?\d+)?',
+    (re.VERBOSE | re.MULTILINE | re.DOTALL))
+
+def py_make_scanner(context):
+    parse_object = context.parse_object
+    parse_array = context.parse_array
+    parse_string = context.parse_string
+    match_number = NUMBER_RE.match
+    strict = context.strict
+    parse_float = context.parse_float
+    parse_int = context.parse_int
+    parse_constant = context.parse_constant
+    object_hook = context.object_hook
+    object_pairs_hook = context.object_pairs_hook
+    memo = context.memo
+
+    def _scan_once(string, idx):
+        try:
+            nextchar = string[idx]
+        except IndexError:
+            raise StopIteration(idx) from None
+
+        if nextchar == '"':
+            return parse_string(string, idx + 1, strict)
+        elif nextchar == '{':
+            return parse_object((string, idx + 1), strict,
+                _scan_once, object_hook, object_pairs_hook, memo)
+        elif nextchar == '[':
+            return parse_array((string, idx + 1), _scan_once)
+        elif nextchar == 'n' and string[idx:idx + 4] == 'null':
+            return None, idx + 4
+        elif nextchar == 't' and string[idx:idx + 4] == 'true':
+            return True, idx + 4
+        elif nextchar == 'f' and string[idx:idx + 5] == 'false':
+            return False, idx + 5
+
+        m = match_number(string, idx)
+        if m is not None:
+            integer, frac, exp = m.groups()
+            if frac or exp:
+                res = parse_float(integer + (frac or '') + (exp or ''))
+            else:
+                res = parse_int(integer)
+            return res, m.end()
+        elif nextchar == 'N' and string[idx:idx + 3] == 'NaN':
+            return parse_constant('NaN'), idx + 3
+        elif nextchar == 'I' and string[idx:idx + 8] == 'Infinity':
+            return parse_constant('Infinity'), idx + 8
+        elif nextchar == '-' and string[idx:idx + 9] == '-Infinity':
+            return parse_constant('-Infinity'), idx + 9
+        else:
+            raise StopIteration(idx)
+
+    def scan_once(string, idx):
+        try:
+            return _scan_once(string, idx)
+        finally:
+            memo.clear()
+
+    return scan_once
+
+make_scanner = c_make_scanner or py_make_scanner

evalkit_llava/lib/python3.10/keyword.py

@@ -0,0 +1,63 @@
+"""Keywords (from "Grammar/python.gram")
+
+This file is automatically generated; please don't muck it up!
+
+To update the symbols in this file, 'cd' to the top directory of
+the python source tree and run:
+
+    PYTHONPATH=Tools/peg_generator python3 -m pegen.keywordgen \
+        Grammar/python.gram \
+        Grammar/Tokens \
+        Lib/keyword.py
+
+Alternatively, you can run 'make regen-keyword'.
+"""
+
+__all__ = ["iskeyword", "issoftkeyword", "kwlist", "softkwlist"]
+
+kwlist = [
+    'False',
+    'None',
+    'True',
+    'and',
+    'as',
+    'assert',
+    'async',
+    'await',
+    'break',
+    'class',
+    'continue',
+    'def',
+    'del',
+    'elif',
+    'else',
+    'except',
+    'finally',
+    'for',
+    'from',
+    'global',
+    'if',
+    'import',
+    'in',
+    'is',
+    'lambda',
+    'nonlocal',
+    'not',
+    'or',
+    'pass',
+    'raise',
+    'return',
+    'try',
+    'while',
+    'with',
+    'yield'
+]
+
+softkwlist = [
+    '_',
+    'case',
+    'match'
+]
+
+iskeyword = frozenset(kwlist).__contains__
+issoftkeyword = frozenset(softkwlist).__contains__

evalkit_llava/lib/python3.10/multiprocessing/__init__.py

@@ -0,0 +1,37 @@
+#
+# Package analogous to 'threading.py' but using processes
+#
+# multiprocessing/__init__.py
+#
+# This package is intended to duplicate the functionality (and much of
+# the API) of threading.py but uses processes instead of threads.  A
+# subpackage 'multiprocessing.dummy' has the same API but is a simple
+# wrapper for 'threading'.
+#
+# Copyright (c) 2006-2008, R Oudkerk
+# Licensed to PSF under a Contributor Agreement.
+#
+
+import sys
+from . import context
+
+#
+# Copy stuff from default context
+#
+
+__all__ = [x for x in dir(context._default_context) if not x.startswith('_')]
+globals().update((name, getattr(context._default_context, name)) for name in __all__)
+
+#
+# XXX These should not really be documented or public.
+#
+
+SUBDEBUG = 5
+SUBWARNING = 25
+
+#
+# Alias for main module -- will be reset by bootstrapping child processes
+#
+
+if '__main__' in sys.modules:
+    sys.modules['__mp_main__'] = sys.modules['__main__']

evalkit_llava/lib/python3.10/multiprocessing/managers.py

@@ -0,0 +1,1378 @@
+#
+# Module providing manager classes for dealing
+# with shared objects
+#
+# multiprocessing/managers.py
+#
+# Copyright (c) 2006-2008, R Oudkerk
+# Licensed to PSF under a Contributor Agreement.
+#
+
+__all__ = [ 'BaseManager', 'SyncManager', 'BaseProxy', 'Token' ]
+
+#
+# Imports
+#
+
+import sys
+import threading
+import signal
+import array
+import queue
+import time
+import types
+import os
+from os import getpid
+
+from traceback import format_exc
+
+from . import connection
+from .context import reduction, get_spawning_popen, ProcessError
+from . import pool
+from . import process
+from . import util
+from . import get_context
+try:
+    from . import shared_memory
+except ImportError:
+    HAS_SHMEM = False
+else:
+    HAS_SHMEM = True
+    __all__.append('SharedMemoryManager')
+
+#
+# Register some things for pickling
+#
+
+def reduce_array(a):
+    return array.array, (a.typecode, a.tobytes())
+reduction.register(array.array, reduce_array)
+
+view_types = [type(getattr({}, name)()) for name in ('items','keys','values')]
+if view_types[0] is not list:       # only needed in Py3.0
+    def rebuild_as_list(obj):
+        return list, (list(obj),)
+    for view_type in view_types:
+        reduction.register(view_type, rebuild_as_list)
+
+#
+# Type for identifying shared objects
+#
+
+class Token(object):
+    '''
+    Type to uniquely identify a shared object
+    '''
+    __slots__ = ('typeid', 'address', 'id')
+
+    def __init__(self, typeid, address, id):
+        (self.typeid, self.address, self.id) = (typeid, address, id)
+
+    def __getstate__(self):
+        return (self.typeid, self.address, self.id)
+
+    def __setstate__(self, state):
+        (self.typeid, self.address, self.id) = state
+
+    def __repr__(self):
+        return '%s(typeid=%r, address=%r, id=%r)' % \
+               (self.__class__.__name__, self.typeid, self.address, self.id)
+
+#
+# Function for communication with a manager's server process
+#
+
+def dispatch(c, id, methodname, args=(), kwds={}):
+    '''
+    Send a message to manager using connection `c` and return response
+    '''
+    c.send((id, methodname, args, kwds))
+    kind, result = c.recv()
+    if kind == '#RETURN':
+        return result
+    raise convert_to_error(kind, result)
+
+def convert_to_error(kind, result):
+    if kind == '#ERROR':
+        return result
+    elif kind in ('#TRACEBACK', '#UNSERIALIZABLE'):
+        if not isinstance(result, str):
+            raise TypeError(
+                "Result {0!r} (kind '{1}') type is {2}, not str".format(
+                    result, kind, type(result)))
+        if kind == '#UNSERIALIZABLE':
+            return RemoteError('Unserializable message: %s\n' % result)
+        else:
+            return RemoteError(result)
+    else:
+        return ValueError('Unrecognized message type {!r}'.format(kind))
+
+class RemoteError(Exception):
+    def __str__(self):
+        return ('\n' + '-'*75 + '\n' + str(self.args[0]) + '-'*75)
+
+#
+# Functions for finding the method names of an object
+#
+
+def all_methods(obj):
+    '''
+    Return a list of names of methods of `obj`
+    '''
+    temp = []
+    for name in dir(obj):
+        func = getattr(obj, name)
+        if callable(func):
+            temp.append(name)
+    return temp
+
+def public_methods(obj):
+    '''
+    Return a list of names of methods of `obj` which do not start with '_'
+    '''
+    return [name for name in all_methods(obj) if name[0] != '_']
+
+#
+# Server which is run in a process controlled by a manager
+#
+
+class Server(object):
+    '''
+    Server class which runs in a process controlled by a manager object
+    '''
+    public = ['shutdown', 'create', 'accept_connection', 'get_methods',
+              'debug_info', 'number_of_objects', 'dummy', 'incref', 'decref']
+
+    def __init__(self, registry, address, authkey, serializer):
+        if not isinstance(authkey, bytes):
+            raise TypeError(
+                "Authkey {0!r} is type {1!s}, not bytes".format(
+                    authkey, type(authkey)))
+        self.registry = registry
+        self.authkey = process.AuthenticationString(authkey)
+        Listener, Client = listener_client[serializer]
+
+        # do authentication later
+        self.listener = Listener(address=address, backlog=16)
+        self.address = self.listener.address
+
+        self.id_to_obj = {'0': (None, ())}
+        self.id_to_refcount = {}
+        self.id_to_local_proxy_obj = {}
+        self.mutex = threading.Lock()
+
+    def serve_forever(self):
+        '''
+        Run the server forever
+        '''
+        self.stop_event = threading.Event()
+        process.current_process()._manager_server = self
+        try:
+            accepter = threading.Thread(target=self.accepter)
+            accepter.daemon = True
+            accepter.start()
+            try:
+                while not self.stop_event.is_set():
+                    self.stop_event.wait(1)
+            except (KeyboardInterrupt, SystemExit):
+                pass
+        finally:
+            if sys.stdout != sys.__stdout__: # what about stderr?
+                util.debug('resetting stdout, stderr')
+                sys.stdout = sys.__stdout__
+                sys.stderr = sys.__stderr__
+            sys.exit(0)
+
+    def accepter(self):
+        while True:
+            try:
+                c = self.listener.accept()
+            except OSError:
+                continue
+            t = threading.Thread(target=self.handle_request, args=(c,))
+            t.daemon = True
+            t.start()
+
+    def _handle_request(self, c):
+        request = None
+        try:
+            connection.deliver_challenge(c, self.authkey)
+            connection.answer_challenge(c, self.authkey)
+            request = c.recv()
+            ignore, funcname, args, kwds = request
+            assert funcname in self.public, '%r unrecognized' % funcname
+            func = getattr(self, funcname)
+        except Exception:
+            msg = ('#TRACEBACK', format_exc())
+        else:
+            try:
+                result = func(c, *args, **kwds)
+            except Exception:
+                msg = ('#TRACEBACK', format_exc())
+            else:
+                msg = ('#RETURN', result)
+
+        try:
+            c.send(msg)
+        except Exception as e:
+            try:
+                c.send(('#TRACEBACK', format_exc()))
+            except Exception:
+                pass
+            util.info('Failure to send message: %r', msg)
+            util.info(' ... request was %r', request)
+            util.info(' ... exception was %r', e)
+
+    def handle_request(self, conn):
+        '''
+        Handle a new connection
+        '''
+        try:
+            self._handle_request(conn)
+        except SystemExit:
+            # Server.serve_client() calls sys.exit(0) on EOF
+            pass
+        finally:
+            conn.close()
+
+    def serve_client(self, conn):
+        '''
+        Handle requests from the proxies in a particular process/thread
+        '''
+        util.debug('starting server thread to service %r',
+                   threading.current_thread().name)
+
+        recv = conn.recv
+        send = conn.send
+        id_to_obj = self.id_to_obj
+
+        while not self.stop_event.is_set():
+
+            try:
+                methodname = obj = None
+                request = recv()
+                ident, methodname, args, kwds = request
+                try:
+                    obj, exposed, gettypeid = id_to_obj[ident]
+                except KeyError as ke:
+                    try:
+                        obj, exposed, gettypeid = \
+                            self.id_to_local_proxy_obj[ident]
+                    except KeyError:
+                        raise ke
+
+                if methodname not in exposed:
+                    raise AttributeError(
+                        'method %r of %r object is not in exposed=%r' %
+                        (methodname, type(obj), exposed)
+                        )
+
+                function = getattr(obj, methodname)
+
+                try:
+                    res = function(*args, **kwds)
+                except Exception as e:
+                    msg = ('#ERROR', e)
+                else:
+                    typeid = gettypeid and gettypeid.get(methodname, None)
+                    if typeid:
+                        rident, rexposed = self.create(conn, typeid, res)
+                        token = Token(typeid, self.address, rident)
+                        msg = ('#PROXY', (rexposed, token))
+                    else:
+                        msg = ('#RETURN', res)
+
+            except AttributeError:
+                if methodname is None:
+                    msg = ('#TRACEBACK', format_exc())
+                else:
+                    try:
+                        fallback_func = self.fallback_mapping[methodname]
+                        result = fallback_func(
+                            self, conn, ident, obj, *args, **kwds
+                            )
+                        msg = ('#RETURN', result)
+                    except Exception:
+                        msg = ('#TRACEBACK', format_exc())
+
+            except EOFError:
+                util.debug('got EOF -- exiting thread serving %r',
+                           threading.current_thread().name)
+                sys.exit(0)
+
+            except Exception:
+                msg = ('#TRACEBACK', format_exc())
+
+            try:
+                try:
+                    send(msg)
+                except Exception:
+                    send(('#UNSERIALIZABLE', format_exc()))
+            except Exception as e:
+                util.info('exception in thread serving %r',
+                        threading.current_thread().name)
+                util.info(' ... message was %r', msg)
+                util.info(' ... exception was %r', e)
+                conn.close()
+                sys.exit(1)
+
+    def fallback_getvalue(self, conn, ident, obj):
+        return obj
+
+    def fallback_str(self, conn, ident, obj):
+        return str(obj)
+
+    def fallback_repr(self, conn, ident, obj):
+        return repr(obj)
+
+    fallback_mapping = {
+        '__str__':fallback_str,
+        '__repr__':fallback_repr,
+        '#GETVALUE':fallback_getvalue
+        }
+
+    def dummy(self, c):
+        pass
+
+    def debug_info(self, c):
+        '''
+        Return some info --- useful to spot problems with refcounting
+        '''
+        # Perhaps include debug info about 'c'?
+        with self.mutex:
+            result = []
+            keys = list(self.id_to_refcount.keys())
+            keys.sort()
+            for ident in keys:
+                if ident != '0':
+                    result.append('  %s:       refcount=%s\n    %s' %
+                                  (ident, self.id_to_refcount[ident],
+                                   str(self.id_to_obj[ident][0])[:75]))
+            return '\n'.join(result)
+
+    def number_of_objects(self, c):
+        '''
+        Number of shared objects
+        '''
+        # Doesn't use (len(self.id_to_obj) - 1) as we shouldn't count ident='0'
+        return len(self.id_to_refcount)
+
+    def shutdown(self, c):
+        '''
+        Shutdown this process
+        '''
+        try:
+            util.debug('manager received shutdown message')
+            c.send(('#RETURN', None))
+        except:
+            import traceback
+            traceback.print_exc()
+        finally:
+            self.stop_event.set()
+
+    def create(self, c, typeid, /, *args, **kwds):
+        '''
+        Create a new shared object and return its id
+        '''
+        with self.mutex:
+            callable, exposed, method_to_typeid, proxytype = \
+                      self.registry[typeid]
+
+            if callable is None:
+                if kwds or (len(args) != 1):
+                    raise ValueError(
+                        "Without callable, must have one non-keyword argument")
+                obj = args[0]
+            else:
+                obj = callable(*args, **kwds)
+
+            if exposed is None:
+                exposed = public_methods(obj)
+            if method_to_typeid is not None:
+                if not isinstance(method_to_typeid, dict):
+                    raise TypeError(
+                        "Method_to_typeid {0!r}: type {1!s}, not dict".format(
+                            method_to_typeid, type(method_to_typeid)))
+                exposed = list(exposed) + list(method_to_typeid)
+
+            ident = '%x' % id(obj)  # convert to string because xmlrpclib
+                                    # only has 32 bit signed integers
+            util.debug('%r callable returned object with id %r', typeid, ident)
+
+            self.id_to_obj[ident] = (obj, set(exposed), method_to_typeid)
+            if ident not in self.id_to_refcount:
+                self.id_to_refcount[ident] = 0
+
+        self.incref(c, ident)
+        return ident, tuple(exposed)
+
+    def get_methods(self, c, token):
+        '''
+        Return the methods of the shared object indicated by token
+        '''
+        return tuple(self.id_to_obj[token.id][1])
+
+    def accept_connection(self, c, name):
+        '''
+        Spawn a new thread to serve this connection
+        '''
+        threading.current_thread().name = name
+        c.send(('#RETURN', None))
+        self.serve_client(c)
+
+    def incref(self, c, ident):
+        with self.mutex:
+            try:
+                self.id_to_refcount[ident] += 1
+            except KeyError as ke:
+                # If no external references exist but an internal (to the
+                # manager) still does and a new external reference is created
+                # from it, restore the manager's tracking of it from the
+                # previously stashed internal ref.
+                if ident in self.id_to_local_proxy_obj:
+                    self.id_to_refcount[ident] = 1
+                    self.id_to_obj[ident] = \
+                        self.id_to_local_proxy_obj[ident]
+                    obj, exposed, gettypeid = self.id_to_obj[ident]
+                    util.debug('Server re-enabled tracking & INCREF %r', ident)
+                else:
+                    raise ke
+
+    def decref(self, c, ident):
+        if ident not in self.id_to_refcount and \
+            ident in self.id_to_local_proxy_obj:
+            util.debug('Server DECREF skipping %r', ident)
+            return
+
+        with self.mutex:
+            if self.id_to_refcount[ident] <= 0:
+                raise AssertionError(
+                    "Id {0!s} ({1!r}) has refcount {2:n}, not 1+".format(
+                        ident, self.id_to_obj[ident],
+                        self.id_to_refcount[ident]))
+            self.id_to_refcount[ident] -= 1
+            if self.id_to_refcount[ident] == 0:
+                del self.id_to_refcount[ident]
+
+        if ident not in self.id_to_refcount:
+            # Two-step process in case the object turns out to contain other
+            # proxy objects (e.g. a managed list of managed lists).
+            # Otherwise, deleting self.id_to_obj[ident] would trigger the
+            # deleting of the stored value (another managed object) which would
+            # in turn attempt to acquire the mutex that is already held here.
+            self.id_to_obj[ident] = (None, (), None)  # thread-safe
+            util.debug('disposing of obj with id %r', ident)
+            with self.mutex:
+                del self.id_to_obj[ident]
+
+
+#
+# Class to represent state of a manager
+#
+
+class State(object):
+    __slots__ = ['value']
+    INITIAL = 0
+    STARTED = 1
+    SHUTDOWN = 2
+
+#
+# Mapping from serializer name to Listener and Client types
+#
+
+listener_client = {
+    'pickle' : (connection.Listener, connection.Client),
+    'xmlrpclib' : (connection.XmlListener, connection.XmlClient)
+    }
+
+#
+# Definition of BaseManager
+#
+
+class BaseManager(object):
+    '''
+    Base class for managers
+    '''
+    _registry = {}
+    _Server = Server
+
+    def __init__(self, address=None, authkey=None, serializer='pickle',
+                 ctx=None):
+        if authkey is None:
+            authkey = process.current_process().authkey
+        self._address = address     # XXX not final address if eg ('', 0)
+        self._authkey = process.AuthenticationString(authkey)
+        self._state = State()
+        self._state.value = State.INITIAL
+        self._serializer = serializer
+        self._Listener, self._Client = listener_client[serializer]
+        self._ctx = ctx or get_context()
+
+    def get_server(self):
+        '''
+        Return server object with serve_forever() method and address attribute
+        '''
+        if self._state.value != State.INITIAL:
+            if self._state.value == State.STARTED:
+                raise ProcessError("Already started server")
+            elif self._state.value == State.SHUTDOWN:
+                raise ProcessError("Manager has shut down")
+            else:
+                raise ProcessError(
+                    "Unknown state {!r}".format(self._state.value))
+        return Server(self._registry, self._address,
+                      self._authkey, self._serializer)
+
+    def connect(self):
+        '''
+        Connect manager object to the server process
+        '''
+        Listener, Client = listener_client[self._serializer]
+        conn = Client(self._address, authkey=self._authkey)
+        dispatch(conn, None, 'dummy')
+        self._state.value = State.STARTED
+
+    def start(self, initializer=None, initargs=()):
+        '''
+        Spawn a server process for this manager object
+        '''
+        if self._state.value != State.INITIAL:
+            if self._state.value == State.STARTED:
+                raise ProcessError("Already started server")
+            elif self._state.value == State.SHUTDOWN:
+                raise ProcessError("Manager has shut down")
+            else:
+                raise ProcessError(
+                    "Unknown state {!r}".format(self._state.value))
+
+        if initializer is not None and not callable(initializer):
+            raise TypeError('initializer must be a callable')
+
+        # pipe over which we will retrieve address of server
+        reader, writer = connection.Pipe(duplex=False)
+
+        # spawn process which runs a server
+        self._process = self._ctx.Process(
+            target=type(self)._run_server,
+            args=(self._registry, self._address, self._authkey,
+                  self._serializer, writer, initializer, initargs),
+            )
+        ident = ':'.join(str(i) for i in self._process._identity)
+        self._process.name = type(self).__name__  + '-' + ident
+        self._process.start()
+
+        # get address of server
+        writer.close()
+        self._address = reader.recv()
+        reader.close()
+
+        # register a finalizer
+        self._state.value = State.STARTED
+        self.shutdown = util.Finalize(
+            self, type(self)._finalize_manager,
+            args=(self._process, self._address, self._authkey,
+                  self._state, self._Client),
+            exitpriority=0
+            )
+
+    @classmethod
+    def _run_server(cls, registry, address, authkey, serializer, writer,
+                    initializer=None, initargs=()):
+        '''
+        Create a server, report its address and run it
+        '''
+        # bpo-36368: protect server process from KeyboardInterrupt signals
+        signal.signal(signal.SIGINT, signal.SIG_IGN)
+
+        if initializer is not None:
+            initializer(*initargs)
+
+        # create server
+        server = cls._Server(registry, address, authkey, serializer)
+
+        # inform parent process of the server's address
+        writer.send(server.address)
+        writer.close()
+
+        # run the manager
+        util.info('manager serving at %r', server.address)
+        server.serve_forever()
+
+    def _create(self, typeid, /, *args, **kwds):
+        '''
+        Create a new shared object; return the token and exposed tuple
+        '''
+        assert self._state.value == State.STARTED, 'server not yet started'
+        conn = self._Client(self._address, authkey=self._authkey)
+        try:
+            id, exposed = dispatch(conn, None, 'create', (typeid,)+args, kwds)
+        finally:
+            conn.close()
+        return Token(typeid, self._address, id), exposed
+
+    def join(self, timeout=None):
+        '''
+        Join the manager process (if it has been spawned)
+        '''
+        if self._process is not None:
+            self._process.join(timeout)
+            if not self._process.is_alive():
+                self._process = None
+
+    def _debug_info(self):
+        '''
+        Return some info about the servers shared objects and connections
+        '''
+        conn = self._Client(self._address, authkey=self._authkey)
+        try:
+            return dispatch(conn, None, 'debug_info')
+        finally:
+            conn.close()
+
+    def _number_of_objects(self):
+        '''
+        Return the number of shared objects
+        '''
+        conn = self._Client(self._address, authkey=self._authkey)
+        try:
+            return dispatch(conn, None, 'number_of_objects')
+        finally:
+            conn.close()
+
+    def __enter__(self):
+        if self._state.value == State.INITIAL:
+            self.start()
+        if self._state.value != State.STARTED:
+            if self._state.value == State.INITIAL:
+                raise ProcessError("Unable to start server")
+            elif self._state.value == State.SHUTDOWN:
+                raise ProcessError("Manager has shut down")
+            else:
+                raise ProcessError(
+                    "Unknown state {!r}".format(self._state.value))
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.shutdown()
+
+    @staticmethod
+    def _finalize_manager(process, address, authkey, state, _Client):
+        '''
+        Shutdown the manager process; will be registered as a finalizer
+        '''
+        if process.is_alive():
+            util.info('sending shutdown message to manager')
+            try:
+                conn = _Client(address, authkey=authkey)
+                try:
+                    dispatch(conn, None, 'shutdown')
+                finally:
+                    conn.close()
+            except Exception:
+                pass
+
+            process.join(timeout=1.0)
+            if process.is_alive():
+                util.info('manager still alive')
+                if hasattr(process, 'terminate'):
+                    util.info('trying to `terminate()` manager process')
+                    process.terminate()
+                    process.join(timeout=1.0)
+                    if process.is_alive():
+                        util.info('manager still alive after terminate')
+
+        state.value = State.SHUTDOWN
+        try:
+            del BaseProxy._address_to_local[address]
+        except KeyError:
+            pass
+
+    @property
+    def address(self):
+        return self._address
+
+    @classmethod
+    def register(cls, typeid, callable=None, proxytype=None, exposed=None,
+                 method_to_typeid=None, create_method=True):
+        '''
+        Register a typeid with the manager type
+        '''
+        if '_registry' not in cls.__dict__:
+            cls._registry = cls._registry.copy()
+
+        if proxytype is None:
+            proxytype = AutoProxy
+
+        exposed = exposed or getattr(proxytype, '_exposed_', None)
+
+        method_to_typeid = method_to_typeid or \
+                           getattr(proxytype, '_method_to_typeid_', None)
+
+        if method_to_typeid:
+            for key, value in list(method_to_typeid.items()): # isinstance?
+                assert type(key) is str, '%r is not a string' % key
+                assert type(value) is str, '%r is not a string' % value
+
+        cls._registry[typeid] = (
+            callable, exposed, method_to_typeid, proxytype
+            )
+
+        if create_method:
+            def temp(self, /, *args, **kwds):
+                util.debug('requesting creation of a shared %r object', typeid)
+                token, exp = self._create(typeid, *args, **kwds)
+                proxy = proxytype(
+                    token, self._serializer, manager=self,
+                    authkey=self._authkey, exposed=exp
+                    )
+                conn = self._Client(token.address, authkey=self._authkey)
+                dispatch(conn, None, 'decref', (token.id,))
+                return proxy
+            temp.__name__ = typeid
+            setattr(cls, typeid, temp)
+
+#
+# Subclass of set which get cleared after a fork
+#
+
+class ProcessLocalSet(set):
+    def __init__(self):
+        util.register_after_fork(self, lambda obj: obj.clear())
+    def __reduce__(self):
+        return type(self), ()
+
+#
+# Definition of BaseProxy
+#
+
+class BaseProxy(object):
+    '''
+    A base for proxies of shared objects
+    '''
+    _address_to_local = {}
+    _mutex = util.ForkAwareThreadLock()
+
+    def __init__(self, token, serializer, manager=None,
+                 authkey=None, exposed=None, incref=True, manager_owned=False):
+        with BaseProxy._mutex:
+            tls_idset = BaseProxy._address_to_local.get(token.address, None)
+            if tls_idset is None:
+                tls_idset = util.ForkAwareLocal(), ProcessLocalSet()
+                BaseProxy._address_to_local[token.address] = tls_idset
+
+        # self._tls is used to record the connection used by this
+        # thread to communicate with the manager at token.address
+        self._tls = tls_idset[0]
+
+        # self._idset is used to record the identities of all shared
+        # objects for which the current process owns references and
+        # which are in the manager at token.address
+        self._idset = tls_idset[1]
+
+        self._token = token
+        self._id = self._token.id
+        self._manager = manager
+        self._serializer = serializer
+        self._Client = listener_client[serializer][1]
+
+        # Should be set to True only when a proxy object is being created
+        # on the manager server; primary use case: nested proxy objects.
+        # RebuildProxy detects when a proxy is being created on the manager
+        # and sets this value appropriately.
+        self._owned_by_manager = manager_owned
+
+        if authkey is not None:
+            self._authkey = process.AuthenticationString(authkey)
+        elif self._manager is not None:
+            self._authkey = self._manager._authkey
+        else:
+            self._authkey = process.current_process().authkey
+
+        if incref:
+            self._incref()
+
+        util.register_after_fork(self, BaseProxy._after_fork)
+
+    def _connect(self):
+        util.debug('making connection to manager')
+        name = process.current_process().name
+        if threading.current_thread().name != 'MainThread':
+            name += '|' + threading.current_thread().name
+        conn = self._Client(self._token.address, authkey=self._authkey)
+        dispatch(conn, None, 'accept_connection', (name,))
+        self._tls.connection = conn
+
+    def _callmethod(self, methodname, args=(), kwds={}):
+        '''
+        Try to call a method of the referent and return a copy of the result
+        '''
+        try:
+            conn = self._tls.connection
+        except AttributeError:
+            util.debug('thread %r does not own a connection',
+                       threading.current_thread().name)
+            self._connect()
+            conn = self._tls.connection
+
+        conn.send((self._id, methodname, args, kwds))
+        kind, result = conn.recv()
+
+        if kind == '#RETURN':
+            return result
+        elif kind == '#PROXY':
+            exposed, token = result
+            proxytype = self._manager._registry[token.typeid][-1]
+            token.address = self._token.address
+            proxy = proxytype(
+                token, self._serializer, manager=self._manager,
+                authkey=self._authkey, exposed=exposed
+                )
+            conn = self._Client(token.address, authkey=self._authkey)
+            dispatch(conn, None, 'decref', (token.id,))
+            return proxy
+        raise convert_to_error(kind, result)
+
+    def _getvalue(self):
+        '''
+        Get a copy of the value of the referent
+        '''
+        return self._callmethod('#GETVALUE')
+
+    def _incref(self):
+        if self._owned_by_manager:
+            util.debug('owned_by_manager skipped INCREF of %r', self._token.id)
+            return
+
+        conn = self._Client(self._token.address, authkey=self._authkey)
+        dispatch(conn, None, 'incref', (self._id,))
+        util.debug('INCREF %r', self._token.id)
+
+        self._idset.add(self._id)
+
+        state = self._manager and self._manager._state
+
+        self._close = util.Finalize(
+            self, BaseProxy._decref,
+            args=(self._token, self._authkey, state,
+                  self._tls, self._idset, self._Client),
+            exitpriority=10
+            )
+
+    @staticmethod
+    def _decref(token, authkey, state, tls, idset, _Client):
+        idset.discard(token.id)
+
+        # check whether manager is still alive
+        if state is None or state.value == State.STARTED:
+            # tell manager this process no longer cares about referent
+            try:
+                util.debug('DECREF %r', token.id)
+                conn = _Client(token.address, authkey=authkey)
+                dispatch(conn, None, 'decref', (token.id,))
+            except Exception as e:
+                util.debug('... decref failed %s', e)
+
+        else:
+            util.debug('DECREF %r -- manager already shutdown', token.id)
+
+        # check whether we can close this thread's connection because
+        # the process owns no more references to objects for this manager
+        if not idset and hasattr(tls, 'connection'):
+            util.debug('thread %r has no more proxies so closing conn',
+                       threading.current_thread().name)
+            tls.connection.close()
+            del tls.connection
+
+    def _after_fork(self):
+        self._manager = None
+        try:
+            self._incref()
+        except Exception as e:
+            # the proxy may just be for a manager which has shutdown
+            util.info('incref failed: %s' % e)
+
+    def __reduce__(self):
+        kwds = {}
+        if get_spawning_popen() is not None:
+            kwds['authkey'] = self._authkey
+
+        if getattr(self, '_isauto', False):
+            kwds['exposed'] = self._exposed_
+            return (RebuildProxy,
+                    (AutoProxy, self._token, self._serializer, kwds))
+        else:
+            return (RebuildProxy,
+                    (type(self), self._token, self._serializer, kwds))
+
+    def __deepcopy__(self, memo):
+        return self._getvalue()
+
+    def __repr__(self):
+        return '<%s object, typeid %r at %#x>' % \
+               (type(self).__name__, self._token.typeid, id(self))
+
+    def __str__(self):
+        '''
+        Return representation of the referent (or a fall-back if that fails)
+        '''
+        try:
+            return self._callmethod('__repr__')
+        except Exception:
+            return repr(self)[:-1] + "; '__str__()' failed>"
+
+#
+# Function used for unpickling
+#
+
+def RebuildProxy(func, token, serializer, kwds):
+    '''
+    Function used for unpickling proxy objects.
+    '''
+    server = getattr(process.current_process(), '_manager_server', None)
+    if server and server.address == token.address:
+        util.debug('Rebuild a proxy owned by manager, token=%r', token)
+        kwds['manager_owned'] = True
+        if token.id not in server.id_to_local_proxy_obj:
+            server.id_to_local_proxy_obj[token.id] = \
+                server.id_to_obj[token.id]
+    incref = (
+        kwds.pop('incref', True) and
+        not getattr(process.current_process(), '_inheriting', False)
+        )
+    return func(token, serializer, incref=incref, **kwds)
+
+#
+# Functions to create proxies and proxy types
+#
+
+def MakeProxyType(name, exposed, _cache={}):
+    '''
+    Return a proxy type whose methods are given by `exposed`
+    '''
+    exposed = tuple(exposed)
+    try:
+        return _cache[(name, exposed)]
+    except KeyError:
+        pass
+
+    dic = {}
+
+    for meth in exposed:
+        exec('''def %s(self, /, *args, **kwds):
+        return self._callmethod(%r, args, kwds)''' % (meth, meth), dic)
+
+    ProxyType = type(name, (BaseProxy,), dic)
+    ProxyType._exposed_ = exposed
+    _cache[(name, exposed)] = ProxyType
+    return ProxyType
+
+
+def AutoProxy(token, serializer, manager=None, authkey=None,
+              exposed=None, incref=True, manager_owned=False):
+    '''
+    Return an auto-proxy for `token`
+    '''
+    _Client = listener_client[serializer][1]
+
+    if exposed is None:
+        conn = _Client(token.address, authkey=authkey)
+        try:
+            exposed = dispatch(conn, None, 'get_methods', (token,))
+        finally:
+            conn.close()
+
+    if authkey is None and manager is not None:
+        authkey = manager._authkey
+    if authkey is None:
+        authkey = process.current_process().authkey
+
+    ProxyType = MakeProxyType('AutoProxy[%s]' % token.typeid, exposed)
+    proxy = ProxyType(token, serializer, manager=manager, authkey=authkey,
+                      incref=incref, manager_owned=manager_owned)
+    proxy._isauto = True
+    return proxy
+
+#
+# Types/callables which we will register with SyncManager
+#
+
+class Namespace(object):
+    def __init__(self, /, **kwds):
+        self.__dict__.update(kwds)
+    def __repr__(self):
+        items = list(self.__dict__.items())
+        temp = []
+        for name, value in items:
+            if not name.startswith('_'):
+                temp.append('%s=%r' % (name, value))
+        temp.sort()
+        return '%s(%s)' % (self.__class__.__name__, ', '.join(temp))
+
+class Value(object):
+    def __init__(self, typecode, value, lock=True):
+        self._typecode = typecode
+        self._value = value
+    def get(self):
+        return self._value
+    def set(self, value):
+        self._value = value
+    def __repr__(self):
+        return '%s(%r, %r)'%(type(self).__name__, self._typecode, self._value)
+    value = property(get, set)
+
+def Array(typecode, sequence, lock=True):
+    return array.array(typecode, sequence)
+
+#
+# Proxy types used by SyncManager
+#
+
+class IteratorProxy(BaseProxy):
+    _exposed_ = ('__next__', 'send', 'throw', 'close')
+    def __iter__(self):
+        return self
+    def __next__(self, *args):
+        return self._callmethod('__next__', args)
+    def send(self, *args):
+        return self._callmethod('send', args)
+    def throw(self, *args):
+        return self._callmethod('throw', args)
+    def close(self, *args):
+        return self._callmethod('close', args)
+
+
+class AcquirerProxy(BaseProxy):
+    _exposed_ = ('acquire', 'release')
+    def acquire(self, blocking=True, timeout=None):
+        args = (blocking,) if timeout is None else (blocking, timeout)
+        return self._callmethod('acquire', args)
+    def release(self):
+        return self._callmethod('release')
+    def __enter__(self):
+        return self._callmethod('acquire')
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        return self._callmethod('release')
+
+
+class ConditionProxy(AcquirerProxy):
+    _exposed_ = ('acquire', 'release', 'wait', 'notify', 'notify_all')
+    def wait(self, timeout=None):
+        return self._callmethod('wait', (timeout,))
+    def notify(self, n=1):
+        return self._callmethod('notify', (n,))
+    def notify_all(self):
+        return self._callmethod('notify_all')
+    def wait_for(self, predicate, timeout=None):
+        result = predicate()
+        if result:
+            return result
+        if timeout is not None:
+            endtime = time.monotonic() + timeout
+        else:
+            endtime = None
+            waittime = None
+        while not result:
+            if endtime is not None:
+                waittime = endtime - time.monotonic()
+                if waittime <= 0:
+                    break
+            self.wait(waittime)
+            result = predicate()
+        return result
+
+
+class EventProxy(BaseProxy):
+    _exposed_ = ('is_set', 'set', 'clear', 'wait')
+    def is_set(self):
+        return self._callmethod('is_set')
+    def set(self):
+        return self._callmethod('set')
+    def clear(self):
+        return self._callmethod('clear')
+    def wait(self, timeout=None):
+        return self._callmethod('wait', (timeout,))
+
+
+class BarrierProxy(BaseProxy):
+    _exposed_ = ('__getattribute__', 'wait', 'abort', 'reset')
+    def wait(self, timeout=None):
+        return self._callmethod('wait', (timeout,))
+    def abort(self):
+        return self._callmethod('abort')
+    def reset(self):
+        return self._callmethod('reset')
+    @property
+    def parties(self):
+        return self._callmethod('__getattribute__', ('parties',))
+    @property
+    def n_waiting(self):
+        return self._callmethod('__getattribute__', ('n_waiting',))
+    @property
+    def broken(self):
+        return self._callmethod('__getattribute__', ('broken',))
+
+
+class NamespaceProxy(BaseProxy):
+    _exposed_ = ('__getattribute__', '__setattr__', '__delattr__')
+    def __getattr__(self, key):
+        if key[0] == '_':
+            return object.__getattribute__(self, key)
+        callmethod = object.__getattribute__(self, '_callmethod')
+        return callmethod('__getattribute__', (key,))
+    def __setattr__(self, key, value):
+        if key[0] == '_':
+            return object.__setattr__(self, key, value)
+        callmethod = object.__getattribute__(self, '_callmethod')
+        return callmethod('__setattr__', (key, value))
+    def __delattr__(self, key):
+        if key[0] == '_':
+            return object.__delattr__(self, key)
+        callmethod = object.__getattribute__(self, '_callmethod')
+        return callmethod('__delattr__', (key,))
+
+
+class ValueProxy(BaseProxy):
+    _exposed_ = ('get', 'set')
+    def get(self):
+        return self._callmethod('get')
+    def set(self, value):
+        return self._callmethod('set', (value,))
+    value = property(get, set)
+
+    __class_getitem__ = classmethod(types.GenericAlias)
+
+
+BaseListProxy = MakeProxyType('BaseListProxy', (
+    '__add__', '__contains__', '__delitem__', '__getitem__', '__len__',
+    '__mul__', '__reversed__', '__rmul__', '__setitem__',
+    'append', 'count', 'extend', 'index', 'insert', 'pop', 'remove',
+    'reverse', 'sort', '__imul__'
+    ))
+class ListProxy(BaseListProxy):
+    def __iadd__(self, value):
+        self._callmethod('extend', (value,))
+        return self
+    def __imul__(self, value):
+        self._callmethod('__imul__', (value,))
+        return self
+
+
+DictProxy = MakeProxyType('DictProxy', (
+    '__contains__', '__delitem__', '__getitem__', '__iter__', '__len__',
+    '__setitem__', 'clear', 'copy', 'get', 'items',
+    'keys', 'pop', 'popitem', 'setdefault', 'update', 'values'
+    ))
+DictProxy._method_to_typeid_ = {
+    '__iter__': 'Iterator',
+    }
+
+
+ArrayProxy = MakeProxyType('ArrayProxy', (
+    '__len__', '__getitem__', '__setitem__'
+    ))
+
+
+BasePoolProxy = MakeProxyType('PoolProxy', (
+    'apply', 'apply_async', 'close', 'imap', 'imap_unordered', 'join',
+    'map', 'map_async', 'starmap', 'starmap_async', 'terminate',
+    ))
+BasePoolProxy._method_to_typeid_ = {
+    'apply_async': 'AsyncResult',
+    'map_async': 'AsyncResult',
+    'starmap_async': 'AsyncResult',
+    'imap': 'Iterator',
+    'imap_unordered': 'Iterator'
+    }
+class PoolProxy(BasePoolProxy):
+    def __enter__(self):
+        return self
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.terminate()
+
+#
+# Definition of SyncManager
+#
+
+class SyncManager(BaseManager):
+    '''
+    Subclass of `BaseManager` which supports a number of shared object types.
+
+    The types registered are those intended for the synchronization
+    of threads, plus `dict`, `list` and `Namespace`.
+
+    The `multiprocessing.Manager()` function creates started instances of
+    this class.
+    '''
+
+SyncManager.register('Queue', queue.Queue)
+SyncManager.register('JoinableQueue', queue.Queue)
+SyncManager.register('Event', threading.Event, EventProxy)
+SyncManager.register('Lock', threading.Lock, AcquirerProxy)
+SyncManager.register('RLock', threading.RLock, AcquirerProxy)
+SyncManager.register('Semaphore', threading.Semaphore, AcquirerProxy)
+SyncManager.register('BoundedSemaphore', threading.BoundedSemaphore,
+                     AcquirerProxy)
+SyncManager.register('Condition', threading.Condition, ConditionProxy)
+SyncManager.register('Barrier', threading.Barrier, BarrierProxy)
+SyncManager.register('Pool', pool.Pool, PoolProxy)
+SyncManager.register('list', list, ListProxy)
+SyncManager.register('dict', dict, DictProxy)
+SyncManager.register('Value', Value, ValueProxy)
+SyncManager.register('Array', Array, ArrayProxy)
+SyncManager.register('Namespace', Namespace, NamespaceProxy)
+
+# types returned by methods of PoolProxy
+SyncManager.register('Iterator', proxytype=IteratorProxy, create_method=False)
+SyncManager.register('AsyncResult', create_method=False)
+
+#
+# Definition of SharedMemoryManager and SharedMemoryServer
+#
+
+if HAS_SHMEM:
+    class _SharedMemoryTracker:
+        "Manages one or more shared memory segments."
+
+        def __init__(self, name, segment_names=[]):
+            self.shared_memory_context_name = name
+            self.segment_names = segment_names
+
+        def register_segment(self, segment_name):
+            "Adds the supplied shared memory block name to tracker."
+            util.debug(f"Register segment {segment_name!r} in pid {getpid()}")
+            self.segment_names.append(segment_name)
+
+        def destroy_segment(self, segment_name):
+            """Calls unlink() on the shared memory block with the supplied name
+            and removes it from the list of blocks being tracked."""
+            util.debug(f"Destroy segment {segment_name!r} in pid {getpid()}")
+            self.segment_names.remove(segment_name)
+            segment = shared_memory.SharedMemory(segment_name)
+            segment.close()
+            segment.unlink()
+
+        def unlink(self):
+            "Calls destroy_segment() on all tracked shared memory blocks."
+            for segment_name in self.segment_names[:]:
+                self.destroy_segment(segment_name)
+
+        def __del__(self):
+            util.debug(f"Call {self.__class__.__name__}.__del__ in {getpid()}")
+            self.unlink()
+
+        def __getstate__(self):
+            return (self.shared_memory_context_name, self.segment_names)
+
+        def __setstate__(self, state):
+            self.__init__(*state)
+
+
+    class SharedMemoryServer(Server):
+
+        public = Server.public + \
+                 ['track_segment', 'release_segment', 'list_segments']
+
+        def __init__(self, *args, **kwargs):
+            Server.__init__(self, *args, **kwargs)
+            address = self.address
+            # The address of Linux abstract namespaces can be bytes
+            if isinstance(address, bytes):
+                address = os.fsdecode(address)
+            self.shared_memory_context = \
+                _SharedMemoryTracker(f"shm_{address}_{getpid()}")
+            util.debug(f"SharedMemoryServer started by pid {getpid()}")
+
+        def create(self, c, typeid, /, *args, **kwargs):
+            """Create a new distributed-shared object (not backed by a shared
+            memory block) and return its id to be used in a Proxy Object."""
+            # Unless set up as a shared proxy, don't make shared_memory_context
+            # a standard part of kwargs.  This makes things easier for supplying
+            # simple functions.
+            if hasattr(self.registry[typeid][-1], "_shared_memory_proxy"):
+                kwargs['shared_memory_context'] = self.shared_memory_context
+            return Server.create(self, c, typeid, *args, **kwargs)
+
+        def shutdown(self, c):
+            "Call unlink() on all tracked shared memory, terminate the Server."
+            self.shared_memory_context.unlink()
+            return Server.shutdown(self, c)
+
+        def track_segment(self, c, segment_name):
+            "Adds the supplied shared memory block name to Server's tracker."
+            self.shared_memory_context.register_segment(segment_name)
+
+        def release_segment(self, c, segment_name):
+            """Calls unlink() on the shared memory block with the supplied name
+            and removes it from the tracker instance inside the Server."""
+            self.shared_memory_context.destroy_segment(segment_name)
+
+        def list_segments(self, c):
+            """Returns a list of names of shared memory blocks that the Server
+            is currently tracking."""
+            return self.shared_memory_context.segment_names
+
+
+    class SharedMemoryManager(BaseManager):
+        """Like SyncManager but uses SharedMemoryServer instead of Server.
+
+        It provides methods for creating and returning SharedMemory instances
+        and for creating a list-like object (ShareableList) backed by shared
+        memory.  It also provides methods that create and return Proxy Objects
+        that support synchronization across processes (i.e. multi-process-safe
+        locks and semaphores).
+        """
+
+        _Server = SharedMemoryServer
+
+        def __init__(self, *args, **kwargs):
+            if os.name == "posix":
+                # bpo-36867: Ensure the resource_tracker is running before
+                # launching the manager process, so that concurrent
+                # shared_memory manipulation both in the manager and in the
+                # current process does not create two resource_tracker
+                # processes.
+                from . import resource_tracker
+                resource_tracker.ensure_running()
+            BaseManager.__init__(self, *args, **kwargs)
+            util.debug(f"{self.__class__.__name__} created by pid {getpid()}")
+
+        def __del__(self):
+            util.debug(f"{self.__class__.__name__}.__del__ by pid {getpid()}")
+            pass
+
+        def get_server(self):
+            'Better than monkeypatching for now; merge into Server ultimately'
+            if self._state.value != State.INITIAL:
+                if self._state.value == State.STARTED:
+                    raise ProcessError("Already started SharedMemoryServer")
+                elif self._state.value == State.SHUTDOWN:
+                    raise ProcessError("SharedMemoryManager has shut down")
+                else:
+                    raise ProcessError(
+                        "Unknown state {!r}".format(self._state.value))
+            return self._Server(self._registry, self._address,
+                                self._authkey, self._serializer)
+
+        def SharedMemory(self, size):
+            """Returns a new SharedMemory instance with the specified size in
+            bytes, to be tracked by the manager."""
+            with self._Client(self._address, authkey=self._authkey) as conn:
+                sms = shared_memory.SharedMemory(None, create=True, size=size)
+                try:
+                    dispatch(conn, None, 'track_segment', (sms.name,))
+                except BaseException as e:
+                    sms.unlink()
+                    raise e
+            return sms
+
+        def ShareableList(self, sequence):
+            """Returns a new ShareableList instance populated with the values
+            from the input sequence, to be tracked by the manager."""
+            with self._Client(self._address, authkey=self._authkey) as conn:
+                sl = shared_memory.ShareableList(sequence)
+                try:
+                    dispatch(conn, None, 'track_segment', (sl.shm.name,))
+                except BaseException as e:
+                    sl.shm.unlink()
+                    raise e
+            return sl

evalkit_llava/lib/python3.10/multiprocessing/popen_forkserver.py

@@ -0,0 +1,74 @@
+import io
+import os
+
+from .context import reduction, set_spawning_popen
+if not reduction.HAVE_SEND_HANDLE:
+    raise ImportError('No support for sending fds between processes')
+from . import forkserver
+from . import popen_fork
+from . import spawn
+from . import util
+
+
+__all__ = ['Popen']
+
+#
+# Wrapper for an fd used while launching a process
+#
+
+class _DupFd(object):
+    def __init__(self, ind):
+        self.ind = ind
+    def detach(self):
+        return forkserver.get_inherited_fds()[self.ind]
+
+#
+# Start child process using a server process
+#
+
+class Popen(popen_fork.Popen):
+    method = 'forkserver'
+    DupFd = _DupFd
+
+    def __init__(self, process_obj):
+        self._fds = []
+        super().__init__(process_obj)
+
+    def duplicate_for_child(self, fd):
+        self._fds.append(fd)
+        return len(self._fds) - 1
+
+    def _launch(self, process_obj):
+        prep_data = spawn.get_preparation_data(process_obj._name)
+        buf = io.BytesIO()
+        set_spawning_popen(self)
+        try:
+            reduction.dump(prep_data, buf)
+            reduction.dump(process_obj, buf)
+        finally:
+            set_spawning_popen(None)
+
+        self.sentinel, w = forkserver.connect_to_new_process(self._fds)
+        # Keep a duplicate of the data pipe's write end as a sentinel of the
+        # parent process used by the child process.
+        _parent_w = os.dup(w)
+        self.finalizer = util.Finalize(self, util.close_fds,
+                                       (_parent_w, self.sentinel))
+        with open(w, 'wb', closefd=True) as f:
+            f.write(buf.getbuffer())
+        self.pid = forkserver.read_signed(self.sentinel)
+
+    def poll(self, flag=os.WNOHANG):
+        if self.returncode is None:
+            from multiprocessing.connection import wait
+            timeout = 0 if flag == os.WNOHANG else None
+            if not wait([self.sentinel], timeout):
+                return None
+            try:
+                self.returncode = forkserver.read_signed(self.sentinel)
+            except (OSError, EOFError):
+                # This should not happen usually, but perhaps the forkserver
+                # process itself got killed
+                self.returncode = 255
+
+        return self.returncode

evalkit_llava/lib/python3.10/multiprocessing/util.py

@@ -0,0 +1,489 @@
+#
+# Module providing various facilities to other parts of the package
+#
+# multiprocessing/util.py
+#
+# Copyright (c) 2006-2008, R Oudkerk
+# Licensed to PSF under a Contributor Agreement.
+#
+
+import os
+import itertools
+import sys
+import weakref
+import atexit
+import threading        # we want threading to install it's
+                        # cleanup function before multiprocessing does
+from subprocess import _args_from_interpreter_flags
+
+from . import process
+
+__all__ = [
+    'sub_debug', 'debug', 'info', 'sub_warning', 'get_logger',
+    'log_to_stderr', 'get_temp_dir', 'register_after_fork',
+    'is_exiting', 'Finalize', 'ForkAwareThreadLock', 'ForkAwareLocal',
+    'close_all_fds_except', 'SUBDEBUG', 'SUBWARNING',
+    ]
+
+#
+# Logging
+#
+
+NOTSET = 0
+SUBDEBUG = 5
+DEBUG = 10
+INFO = 20
+SUBWARNING = 25
+
+LOGGER_NAME = 'multiprocessing'
+DEFAULT_LOGGING_FORMAT = '[%(levelname)s/%(processName)s] %(message)s'
+
+_logger = None
+_log_to_stderr = False
+
+def sub_debug(msg, *args):
+    if _logger:
+        _logger.log(SUBDEBUG, msg, *args)
+
+def debug(msg, *args):
+    if _logger:
+        _logger.log(DEBUG, msg, *args)
+
+def info(msg, *args):
+    if _logger:
+        _logger.log(INFO, msg, *args)
+
+def sub_warning(msg, *args):
+    if _logger:
+        _logger.log(SUBWARNING, msg, *args)
+
+def get_logger():
+    '''
+    Returns logger used by multiprocessing
+    '''
+    global _logger
+    import logging
+
+    logging._acquireLock()
+    try:
+        if not _logger:
+
+            _logger = logging.getLogger(LOGGER_NAME)
+            _logger.propagate = 0
+
+            # XXX multiprocessing should cleanup before logging
+            if hasattr(atexit, 'unregister'):
+                atexit.unregister(_exit_function)
+                atexit.register(_exit_function)
+            else:
+                atexit._exithandlers.remove((_exit_function, (), {}))
+                atexit._exithandlers.append((_exit_function, (), {}))
+
+    finally:
+        logging._releaseLock()
+
+    return _logger
+
+def log_to_stderr(level=None):
+    '''
+    Turn on logging and add a handler which prints to stderr
+    '''
+    global _log_to_stderr
+    import logging
+
+    logger = get_logger()
+    formatter = logging.Formatter(DEFAULT_LOGGING_FORMAT)
+    handler = logging.StreamHandler()
+    handler.setFormatter(formatter)
+    logger.addHandler(handler)
+
+    if level:
+        logger.setLevel(level)
+    _log_to_stderr = True
+    return _logger
+
+
+# Abstract socket support
+
+def _platform_supports_abstract_sockets():
+    if sys.platform == "linux":
+        return True
+    if hasattr(sys, 'getandroidapilevel'):
+        return True
+    return False
+
+
+def is_abstract_socket_namespace(address):
+    if not address:
+        return False
+    if isinstance(address, bytes):
+        return address[0] == 0
+    elif isinstance(address, str):
+        return address[0] == "\0"
+    raise TypeError(f'address type of {address!r} unrecognized')
+
+
+abstract_sockets_supported = _platform_supports_abstract_sockets()
+
+#
+# Function returning a temp directory which will be removed on exit
+#
+
+def _remove_temp_dir(rmtree, tempdir):
+    rmtree(tempdir)
+
+    current_process = process.current_process()
+    # current_process() can be None if the finalizer is called
+    # late during Python finalization
+    if current_process is not None:
+        current_process._config['tempdir'] = None
+
+def get_temp_dir():
+    # get name of a temp directory which will be automatically cleaned up
+    tempdir = process.current_process()._config.get('tempdir')
+    if tempdir is None:
+        import shutil, tempfile
+        tempdir = tempfile.mkdtemp(prefix='pymp-')
+        info('created temp directory %s', tempdir)
+        # keep a strong reference to shutil.rmtree(), since the finalizer
+        # can be called late during Python shutdown
+        Finalize(None, _remove_temp_dir, args=(shutil.rmtree, tempdir),
+                 exitpriority=-100)
+        process.current_process()._config['tempdir'] = tempdir
+    return tempdir
+
+#
+# Support for reinitialization of objects when bootstrapping a child process
+#
+
+_afterfork_registry = weakref.WeakValueDictionary()
+_afterfork_counter = itertools.count()
+
+def _run_after_forkers():
+    items = list(_afterfork_registry.items())
+    items.sort()
+    for (index, ident, func), obj in items:
+        try:
+            func(obj)
+        except Exception as e:
+            info('after forker raised exception %s', e)
+
+def register_after_fork(obj, func):
+    _afterfork_registry[(next(_afterfork_counter), id(obj), func)] = obj
+
+#
+# Finalization using weakrefs
+#
+
+_finalizer_registry = {}
+_finalizer_counter = itertools.count()
+
+
+class Finalize(object):
+    '''
+    Class which supports object finalization using weakrefs
+    '''
+    def __init__(self, obj, callback, args=(), kwargs=None, exitpriority=None):
+        if (exitpriority is not None) and not isinstance(exitpriority,int):
+            raise TypeError(
+                "Exitpriority ({0!r}) must be None or int, not {1!s}".format(
+                    exitpriority, type(exitpriority)))
+
+        if obj is not None:
+            self._weakref = weakref.ref(obj, self)
+        elif exitpriority is None:
+            raise ValueError("Without object, exitpriority cannot be None")
+
+        self._callback = callback
+        self._args = args
+        self._kwargs = kwargs or {}
+        self._key = (exitpriority, next(_finalizer_counter))
+        self._pid = os.getpid()
+
+        _finalizer_registry[self._key] = self
+
+    def __call__(self, wr=None,
+                 # Need to bind these locally because the globals can have
+                 # been cleared at shutdown
+                 _finalizer_registry=_finalizer_registry,
+                 sub_debug=sub_debug, getpid=os.getpid):
+        '''
+        Run the callback unless it has already been called or cancelled
+        '''
+        try:
+            del _finalizer_registry[self._key]
+        except KeyError:
+            sub_debug('finalizer no longer registered')
+        else:
+            if self._pid != getpid():
+                sub_debug('finalizer ignored because different process')
+                res = None
+            else:
+                sub_debug('finalizer calling %s with args %s and kwargs %s',
+                          self._callback, self._args, self._kwargs)
+                res = self._callback(*self._args, **self._kwargs)
+            self._weakref = self._callback = self._args = \
+                            self._kwargs = self._key = None
+            return res
+
+    def cancel(self):
+        '''
+        Cancel finalization of the object
+        '''
+        try:
+            del _finalizer_registry[self._key]
+        except KeyError:
+            pass
+        else:
+            self._weakref = self._callback = self._args = \
+                            self._kwargs = self._key = None
+
+    def still_active(self):
+        '''
+        Return whether this finalizer is still waiting to invoke callback
+        '''
+        return self._key in _finalizer_registry
+
+    def __repr__(self):
+        try:
+            obj = self._weakref()
+        except (AttributeError, TypeError):
+            obj = None
+
+        if obj is None:
+            return '<%s object, dead>' % self.__class__.__name__
+
+        x = '<%s object, callback=%s' % (
+                self.__class__.__name__,
+                getattr(self._callback, '__name__', self._callback))
+        if self._args:
+            x += ', args=' + str(self._args)
+        if self._kwargs:
+            x += ', kwargs=' + str(self._kwargs)
+        if self._key[0] is not None:
+            x += ', exitpriority=' + str(self._key[0])
+        return x + '>'
+
+
+def _run_finalizers(minpriority=None):
+    '''
+    Run all finalizers whose exit priority is not None and at least minpriority
+
+    Finalizers with highest priority are called first; finalizers with
+    the same priority will be called in reverse order of creation.
+    '''
+    if _finalizer_registry is None:
+        # This function may be called after this module's globals are
+        # destroyed.  See the _exit_function function in this module for more
+        # notes.
+        return
+
+    if minpriority is None:
+        f = lambda p : p[0] is not None
+    else:
+        f = lambda p : p[0] is not None and p[0] >= minpriority
+
+    # Careful: _finalizer_registry may be mutated while this function
+    # is running (either by a GC run or by another thread).
+
+    # list(_finalizer_registry) should be atomic, while
+    # list(_finalizer_registry.items()) is not.
+    keys = [key for key in list(_finalizer_registry) if f(key)]
+    keys.sort(reverse=True)
+
+    for key in keys:
+        finalizer = _finalizer_registry.get(key)
+        # key may have been removed from the registry
+        if finalizer is not None:
+            sub_debug('calling %s', finalizer)
+            try:
+                finalizer()
+            except Exception:
+                import traceback
+                traceback.print_exc()
+
+    if minpriority is None:
+        _finalizer_registry.clear()
+
+#
+# Clean up on exit
+#
+
+def is_exiting():
+    '''
+    Returns true if the process is shutting down
+    '''
+    return _exiting or _exiting is None
+
+_exiting = False
+
+def _exit_function(info=info, debug=debug, _run_finalizers=_run_finalizers,
+                   active_children=process.active_children,
+                   current_process=process.current_process):
+    # We hold on to references to functions in the arglist due to the
+    # situation described below, where this function is called after this
+    # module's globals are destroyed.
+
+    global _exiting
+
+    if not _exiting:
+        _exiting = True
+
+        info('process shutting down')
+        debug('running all "atexit" finalizers with priority >= 0')
+        _run_finalizers(0)
+
+        if current_process() is not None:
+            # We check if the current process is None here because if
+            # it's None, any call to ``active_children()`` will raise
+            # an AttributeError (active_children winds up trying to
+            # get attributes from util._current_process).  One
+            # situation where this can happen is if someone has
+            # manipulated sys.modules, causing this module to be
+            # garbage collected.  The destructor for the module type
+            # then replaces all values in the module dict with None.
+            # For instance, after setuptools runs a test it replaces
+            # sys.modules with a copy created earlier.  See issues
+            # #9775 and #15881.  Also related: #4106, #9205, and
+            # #9207.
+
+            for p in active_children():
+                if p.daemon:
+                    info('calling terminate() for daemon %s', p.name)
+                    p._popen.terminate()
+
+            for p in active_children():
+                info('calling join() for process %s', p.name)
+                p.join()
+
+        debug('running the remaining "atexit" finalizers')
+        _run_finalizers()
+
+atexit.register(_exit_function)
+
+#
+# Some fork aware types
+#
+
+class ForkAwareThreadLock(object):
+    def __init__(self):
+        self._lock = threading.Lock()
+        self.acquire = self._lock.acquire
+        self.release = self._lock.release
+        register_after_fork(self, ForkAwareThreadLock._at_fork_reinit)
+
+    def _at_fork_reinit(self):
+        self._lock._at_fork_reinit()
+
+    def __enter__(self):
+        return self._lock.__enter__()
+
+    def __exit__(self, *args):
+        return self._lock.__exit__(*args)
+
+
+class ForkAwareLocal(threading.local):
+    def __init__(self):
+        register_after_fork(self, lambda obj : obj.__dict__.clear())
+    def __reduce__(self):
+        return type(self), ()
+
+#
+# Close fds except those specified
+#
+
+try:
+    MAXFD = os.sysconf("SC_OPEN_MAX")
+except Exception:
+    MAXFD = 256
+
+def close_all_fds_except(fds):
+    fds = list(fds) + [-1, MAXFD]
+    fds.sort()
+    assert fds[-1] == MAXFD, 'fd too large'
+    for i in range(len(fds) - 1):
+        os.closerange(fds[i]+1, fds[i+1])
+#
+# Close sys.stdin and replace stdin with os.devnull
+#
+
+def _close_stdin():
+    if sys.stdin is None:
+        return
+
+    try:
+        sys.stdin.close()
+    except (OSError, ValueError):
+        pass
+
+    try:
+        fd = os.open(os.devnull, os.O_RDONLY)
+        try:
+            sys.stdin = open(fd, encoding="utf-8", closefd=False)
+        except:
+            os.close(fd)
+            raise
+    except (OSError, ValueError):
+        pass
+
+#
+# Flush standard streams, if any
+#
+
+def _flush_std_streams():
+    try:
+        sys.stdout.flush()
+    except (AttributeError, ValueError):
+        pass
+    try:
+        sys.stderr.flush()
+    except (AttributeError, ValueError):
+        pass
+
+#
+# Start a program with only specified fds kept open
+#
+
+def spawnv_passfds(path, args, passfds):
+    import _posixsubprocess
+    passfds = tuple(sorted(map(int, passfds)))
+    errpipe_read, errpipe_write = os.pipe()
+    try:
+        return _posixsubprocess.fork_exec(
+            args, [os.fsencode(path)], True, passfds, None, None,
+            -1, -1, -1, -1, -1, -1, errpipe_read, errpipe_write,
+            False, False, None, None, None, -1, None)
+    finally:
+        os.close(errpipe_read)
+        os.close(errpipe_write)
+
+
+def close_fds(*fds):
+    """Close each file descriptor given as an argument"""
+    for fd in fds:
+        os.close(fd)
+
+
+def _cleanup_tests():
+    """Cleanup multiprocessing resources when multiprocessing tests
+    completed."""
+
+    from test import support
+
+    # cleanup multiprocessing
+    process._cleanup()
+
+    # Stop the ForkServer process if it's running
+    from multiprocessing import forkserver
+    forkserver._forkserver._stop()
+
+    # Stop the ResourceTracker process if it's running
+    from multiprocessing import resource_tracker
+    resource_tracker._resource_tracker._stop()
+
+    # bpo-37421: Explicitly call _run_finalizers() to remove immediately
+    # temporary directories created by multiprocessing.util.get_temp_dir().
+    _run_finalizers()
+    support.gc_collect()
+
+    support.reap_children()

evalkit_llava/lib/python3.10/reprlib.py

@@ -0,0 +1,161 @@
+"""Redo the builtin repr() (representation) but with limits on most sizes."""
+
+__all__ = ["Repr", "repr", "recursive_repr"]
+
+import builtins
+from itertools import islice
+from _thread import get_ident
+
+def recursive_repr(fillvalue='...'):
+    'Decorator to make a repr function return fillvalue for a recursive call'
+
+    def decorating_function(user_function):
+        repr_running = set()
+
+        def wrapper(self):
+            key = id(self), get_ident()
+            if key in repr_running:
+                return fillvalue
+            repr_running.add(key)
+            try:
+                result = user_function(self)
+            finally:
+                repr_running.discard(key)
+            return result
+
+        # Can't use functools.wraps() here because of bootstrap issues
+        wrapper.__module__ = getattr(user_function, '__module__')
+        wrapper.__doc__ = getattr(user_function, '__doc__')
+        wrapper.__name__ = getattr(user_function, '__name__')
+        wrapper.__qualname__ = getattr(user_function, '__qualname__')
+        wrapper.__annotations__ = getattr(user_function, '__annotations__', {})
+        return wrapper
+
+    return decorating_function
+
+class Repr:
+
+    def __init__(self):
+        self.maxlevel = 6
+        self.maxtuple = 6
+        self.maxlist = 6
+        self.maxarray = 5
+        self.maxdict = 4
+        self.maxset = 6
+        self.maxfrozenset = 6
+        self.maxdeque = 6
+        self.maxstring = 30
+        self.maxlong = 40
+        self.maxother = 30
+
+    def repr(self, x):
+        return self.repr1(x, self.maxlevel)
+
+    def repr1(self, x, level):
+        typename = type(x).__name__
+        if ' ' in typename:
+            parts = typename.split()
+            typename = '_'.join(parts)
+        if hasattr(self, 'repr_' + typename):
+            return getattr(self, 'repr_' + typename)(x, level)
+        else:
+            return self.repr_instance(x, level)
+
+    def _repr_iterable(self, x, level, left, right, maxiter, trail=''):
+        n = len(x)
+        if level <= 0 and n:
+            s = '...'
+        else:
+            newlevel = level - 1
+            repr1 = self.repr1
+            pieces = [repr1(elem, newlevel) for elem in islice(x, maxiter)]
+            if n > maxiter:  pieces.append('...')
+            s = ', '.join(pieces)
+            if n == 1 and trail:  right = trail + right
+        return '%s%s%s' % (left, s, right)
+
+    def repr_tuple(self, x, level):
+        return self._repr_iterable(x, level, '(', ')', self.maxtuple, ',')
+
+    def repr_list(self, x, level):
+        return self._repr_iterable(x, level, '[', ']', self.maxlist)
+
+    def repr_array(self, x, level):
+        if not x:
+            return "array('%s')" % x.typecode
+        header = "array('%s', [" % x.typecode
+        return self._repr_iterable(x, level, header, '])', self.maxarray)
+
+    def repr_set(self, x, level):
+        if not x:
+            return 'set()'
+        x = _possibly_sorted(x)
+        return self._repr_iterable(x, level, '{', '}', self.maxset)
+
+    def repr_frozenset(self, x, level):
+        if not x:
+            return 'frozenset()'
+        x = _possibly_sorted(x)
+        return self._repr_iterable(x, level, 'frozenset({', '})',
+                                   self.maxfrozenset)
+
+    def repr_deque(self, x, level):
+        return self._repr_iterable(x, level, 'deque([', '])', self.maxdeque)
+
+    def repr_dict(self, x, level):
+        n = len(x)
+        if n == 0: return '{}'
+        if level <= 0: return '{...}'
+        newlevel = level - 1
+        repr1 = self.repr1
+        pieces = []
+        for key in islice(_possibly_sorted(x), self.maxdict):
+            keyrepr = repr1(key, newlevel)
+            valrepr = repr1(x[key], newlevel)
+            pieces.append('%s: %s' % (keyrepr, valrepr))
+        if n > self.maxdict: pieces.append('...')
+        s = ', '.join(pieces)
+        return '{%s}' % (s,)
+
+    def repr_str(self, x, level):
+        s = builtins.repr(x[:self.maxstring])
+        if len(s) > self.maxstring:
+            i = max(0, (self.maxstring-3)//2)
+            j = max(0, self.maxstring-3-i)
+            s = builtins.repr(x[:i] + x[len(x)-j:])
+            s = s[:i] + '...' + s[len(s)-j:]
+        return s
+
+    def repr_int(self, x, level):
+        s = builtins.repr(x) # XXX Hope this isn't too slow...
+        if len(s) > self.maxlong:
+            i = max(0, (self.maxlong-3)//2)
+            j = max(0, self.maxlong-3-i)
+            s = s[:i] + '...' + s[len(s)-j:]
+        return s
+
+    def repr_instance(self, x, level):
+        try:
+            s = builtins.repr(x)
+            # Bugs in x.__repr__() can cause arbitrary
+            # exceptions -- then make up something
+        except Exception:
+            return '<%s instance at %#x>' % (x.__class__.__name__, id(x))
+        if len(s) > self.maxother:
+            i = max(0, (self.maxother-3)//2)
+            j = max(0, self.maxother-3-i)
+            s = s[:i] + '...' + s[len(s)-j:]
+        return s
+
+
+def _possibly_sorted(x):
+    # Since not all sequences of items can be sorted and comparison
+    # functions may raise arbitrary exceptions, return an unsorted
+    # sequence in that case.
+    try:
+        return sorted(x)
+    except Exception:
+        return list(x)
+
+aRepr = Repr()
+repr = aRepr.repr

evalkit_llava/lib/python3.10/threading.py

@@ -0,0 +1,1645 @@
+"""Thread module emulating a subset of Java's threading model."""
+
+import os as _os
+import sys as _sys
+import _thread
+import functools
+
+from time import monotonic as _time
+from _weakrefset import WeakSet
+from itertools import islice as _islice, count as _count
+try:
+    from _collections import deque as _deque
+except ImportError:
+    from collections import deque as _deque
+
+# Note regarding PEP 8 compliant names
+#  This threading model was originally inspired by Java, and inherited
+# the convention of camelCase function and method names from that
+# language. Those original names are not in any imminent danger of
+# being deprecated (even for Py3k),so this module provides them as an
+# alias for the PEP 8 compliant names
+# Note that using the new PEP 8 compliant names facilitates substitution
+# with the multiprocessing module, which doesn't provide the old
+# Java inspired names.
+
+__all__ = ['get_ident', 'active_count', 'Condition', 'current_thread',
+           'enumerate', 'main_thread', 'TIMEOUT_MAX',
+           'Event', 'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Thread',
+           'Barrier', 'BrokenBarrierError', 'Timer', 'ThreadError',
+           'setprofile', 'settrace', 'local', 'stack_size',
+           'excepthook', 'ExceptHookArgs', 'gettrace', 'getprofile']
+
+# Rename some stuff so "from threading import *" is safe
+_start_new_thread = _thread.start_new_thread
+_allocate_lock = _thread.allocate_lock
+_set_sentinel = _thread._set_sentinel
+get_ident = _thread.get_ident
+try:
+    get_native_id = _thread.get_native_id
+    _HAVE_THREAD_NATIVE_ID = True
+    __all__.append('get_native_id')
+except AttributeError:
+    _HAVE_THREAD_NATIVE_ID = False
+ThreadError = _thread.error
+try:
+    _CRLock = _thread.RLock
+except AttributeError:
+    _CRLock = None
+TIMEOUT_MAX = _thread.TIMEOUT_MAX
+del _thread
+
+
+# Support for profile and trace hooks
+
+_profile_hook = None
+_trace_hook = None
+
+def setprofile(func):
+    """Set a profile function for all threads started from the threading module.
+
+    The func will be passed to sys.setprofile() for each thread, before its
+    run() method is called.
+
+    """
+    global _profile_hook
+    _profile_hook = func
+
+def getprofile():
+    """Get the profiler function as set by threading.setprofile()."""
+    return _profile_hook
+
+def settrace(func):
+    """Set a trace function for all threads started from the threading module.
+
+    The func will be passed to sys.settrace() for each thread, before its run()
+    method is called.
+
+    """
+    global _trace_hook
+    _trace_hook = func
+
+def gettrace():
+    """Get the trace function as set by threading.settrace()."""
+    return _trace_hook
+
+# Synchronization classes
+
+Lock = _allocate_lock
+
+def RLock(*args, **kwargs):
+    """Factory function that returns a new reentrant lock.
+
+    A reentrant lock must be released by the thread that acquired it. Once a
+    thread has acquired a reentrant lock, the same thread may acquire it again
+    without blocking; the thread must release it once for each time it has
+    acquired it.
+
+    """
+    if _CRLock is None:
+        return _PyRLock(*args, **kwargs)
+    return _CRLock(*args, **kwargs)
+
+class _RLock:
+    """This class implements reentrant lock objects.
+
+    A reentrant lock must be released by the thread that acquired it. Once a
+    thread has acquired a reentrant lock, the same thread may acquire it
+    again without blocking; the thread must release it once for each time it
+    has acquired it.
+
+    """
+
+    def __init__(self):
+        self._block = _allocate_lock()
+        self._owner = None
+        self._count = 0
+
+    def __repr__(self):
+        owner = self._owner
+        try:
+            owner = _active[owner].name
+        except KeyError:
+            pass
+        return "<%s %s.%s object owner=%r count=%d at %s>" % (
+            "locked" if self._block.locked() else "unlocked",
+            self.__class__.__module__,
+            self.__class__.__qualname__,
+            owner,
+            self._count,
+            hex(id(self))
+        )
+
+    def _at_fork_reinit(self):
+        self._block._at_fork_reinit()
+        self._owner = None
+        self._count = 0
+
+    def acquire(self, blocking=True, timeout=-1):
+        """Acquire a lock, blocking or non-blocking.
+
+        When invoked without arguments: if this thread already owns the lock,
+        increment the recursion level by one, and return immediately. Otherwise,
+        if another thread owns the lock, block until the lock is unlocked. Once
+        the lock is unlocked (not owned by any thread), then grab ownership, set
+        the recursion level to one, and return. If more than one thread is
+        blocked waiting until the lock is unlocked, only one at a time will be
+        able to grab ownership of the lock. There is no return value in this
+        case.
+
+        When invoked with the blocking argument set to true, do the same thing
+        as when called without arguments, and return true.
+
+        When invoked with the blocking argument set to false, do not block. If a
+        call without an argument would block, return false immediately;
+        otherwise, do the same thing as when called without arguments, and
+        return true.
+
+        When invoked with the floating-point timeout argument set to a positive
+        value, block for at most the number of seconds specified by timeout
+        and as long as the lock cannot be acquired.  Return true if the lock has
+        been acquired, false if the timeout has elapsed.
+
+        """
+        me = get_ident()
+        if self._owner == me:
+            self._count += 1
+            return 1
+        rc = self._block.acquire(blocking, timeout)
+        if rc:
+            self._owner = me
+            self._count = 1
+        return rc
+
+    __enter__ = acquire
+
+    def release(self):
+        """Release a lock, decrementing the recursion level.
+
+        If after the decrement it is zero, reset the lock to unlocked (not owned
+        by any thread), and if any other threads are blocked waiting for the
+        lock to become unlocked, allow exactly one of them to proceed. If after
+        the decrement the recursion level is still nonzero, the lock remains
+        locked and owned by the calling thread.
+
+        Only call this method when the calling thread owns the lock. A
+        RuntimeError is raised if this method is called when the lock is
+        unlocked.
+
+        There is no return value.
+
+        """
+        if self._owner != get_ident():
+            raise RuntimeError("cannot release un-acquired lock")
+        self._count = count = self._count - 1
+        if not count:
+            self._owner = None
+            self._block.release()
+
+    def __exit__(self, t, v, tb):
+        self.release()
+
+    # Internal methods used by condition variables
+
+    def _acquire_restore(self, state):
+        self._block.acquire()
+        self._count, self._owner = state
+
+    def _release_save(self):
+        if self._count == 0:
+            raise RuntimeError("cannot release un-acquired lock")
+        count = self._count
+        self._count = 0
+        owner = self._owner
+        self._owner = None
+        self._block.release()
+        return (count, owner)
+
+    def _is_owned(self):
+        return self._owner == get_ident()
+
+_PyRLock = _RLock
+
+
+class Condition:
+    """Class that implements a condition variable.
+
+    A condition variable allows one or more threads to wait until they are
+    notified by another thread.
+
+    If the lock argument is given and not None, it must be a Lock or RLock
+    object, and it is used as the underlying lock. Otherwise, a new RLock object
+    is created and used as the underlying lock.
+
+    """
+
+    def __init__(self, lock=None):
+        if lock is None:
+            lock = RLock()
+        self._lock = lock
+        # Export the lock's acquire() and release() methods
+        self.acquire = lock.acquire
+        self.release = lock.release
+        # If the lock defines _release_save() and/or _acquire_restore(),
+        # these override the default implementations (which just call
+        # release() and acquire() on the lock).  Ditto for _is_owned().
+        try:
+            self._release_save = lock._release_save
+        except AttributeError:
+            pass
+        try:
+            self._acquire_restore = lock._acquire_restore
+        except AttributeError:
+            pass
+        try:
+            self._is_owned = lock._is_owned
+        except AttributeError:
+            pass
+        self._waiters = _deque()
+
+    def _at_fork_reinit(self):
+        self._lock._at_fork_reinit()
+        self._waiters.clear()
+
+    def __enter__(self):
+        return self._lock.__enter__()
+
+    def __exit__(self, *args):
+        return self._lock.__exit__(*args)
+
+    def __repr__(self):
+        return "<Condition(%s, %d)>" % (self._lock, len(self._waiters))
+
+    def _release_save(self):
+        self._lock.release()           # No state to save
+
+    def _acquire_restore(self, x):
+        self._lock.acquire()           # Ignore saved state
+
+    def _is_owned(self):
+        # Return True if lock is owned by current_thread.
+        # This method is called only if _lock doesn't have _is_owned().
+        if self._lock.acquire(False):
+            self._lock.release()
+            return False
+        else:
+            return True
+
+    def wait(self, timeout=None):
+        """Wait until notified or until a timeout occurs.
+
+        If the calling thread has not acquired the lock when this method is
+        called, a RuntimeError is raised.
+
+        This method releases the underlying lock, and then blocks until it is
+        awakened by a notify() or notify_all() call for the same condition
+        variable in another thread, or until the optional timeout occurs. Once
+        awakened or timed out, it re-acquires the lock and returns.
+
+        When the timeout argument is present and not None, it should be a
+        floating point number specifying a timeout for the operation in seconds
+        (or fractions thereof).
+
+        When the underlying lock is an RLock, it is not released using its
+        release() method, since this may not actually unlock the lock when it
+        was acquired multiple times recursively. Instead, an internal interface
+        of the RLock class is used, which really unlocks it even when it has
+        been recursively acquired several times. Another internal interface is
+        then used to restore the recursion level when the lock is reacquired.
+
+        """
+        if not self._is_owned():
+            raise RuntimeError("cannot wait on un-acquired lock")
+        waiter = _allocate_lock()
+        waiter.acquire()
+        self._waiters.append(waiter)
+        saved_state = self._release_save()
+        gotit = False
+        try:    # restore state no matter what (e.g., KeyboardInterrupt)
+            if timeout is None:
+                waiter.acquire()
+                gotit = True
+            else:
+                if timeout > 0:
+                    gotit = waiter.acquire(True, timeout)
+                else:
+                    gotit = waiter.acquire(False)
+            return gotit
+        finally:
+            self._acquire_restore(saved_state)
+            if not gotit:
+                try:
+                    self._waiters.remove(waiter)
+                except ValueError:
+                    pass
+
+    def wait_for(self, predicate, timeout=None):
+        """Wait until a condition evaluates to True.
+
+        predicate should be a callable which result will be interpreted as a
+        boolean value.  A timeout may be provided giving the maximum time to
+        wait.
+
+        """
+        endtime = None
+        waittime = timeout
+        result = predicate()
+        while not result:
+            if waittime is not None:
+                if endtime is None:
+                    endtime = _time() + waittime
+                else:
+                    waittime = endtime - _time()
+                    if waittime <= 0:
+                        break
+            self.wait(waittime)
+            result = predicate()
+        return result
+
+    def notify(self, n=1):
+        """Wake up one or more threads waiting on this condition, if any.
+
+        If the calling thread has not acquired the lock when this method is
+        called, a RuntimeError is raised.
+
+        This method wakes up at most n of the threads waiting for the condition
+        variable; it is a no-op if no threads are waiting.
+
+        """
+        if not self._is_owned():
+            raise RuntimeError("cannot notify on un-acquired lock")
+        waiters = self._waiters
+        while waiters and n > 0:
+            waiter = waiters[0]
+            try:
+                waiter.release()
+            except RuntimeError:
+                # gh-92530: The previous call of notify() released the lock,
+                # but was interrupted before removing it from the queue.
+                # It can happen if a signal handler raises an exception,
+                # like CTRL+C which raises KeyboardInterrupt.
+                pass
+            else:
+                n -= 1
+            try:
+                waiters.remove(waiter)
+            except ValueError:
+                pass
+
+    def notify_all(self):
+        """Wake up all threads waiting on this condition.
+
+        If the calling thread has not acquired the lock when this method
+        is called, a RuntimeError is raised.
+
+        """
+        self.notify(len(self._waiters))
+
+    def notifyAll(self):
+        """Wake up all threads waiting on this condition.
+
+        This method is deprecated, use notify_all() instead.
+
+        """
+        import warnings
+        warnings.warn('notifyAll() is deprecated, use notify_all() instead',
+                      DeprecationWarning, stacklevel=2)
+        self.notify_all()
+
+
+class Semaphore:
+    """This class implements semaphore objects.
+
+    Semaphores manage a counter representing the number of release() calls minus
+    the number of acquire() calls, plus an initial value. The acquire() method
+    blocks if necessary until it can return without making the counter
+    negative. If not given, value defaults to 1.
+
+    """
+
+    # After Tim Peters' semaphore class, but not quite the same (no maximum)
+
+    def __init__(self, value=1):
+        if value < 0:
+            raise ValueError("semaphore initial value must be >= 0")
+        self._cond = Condition(Lock())
+        self._value = value
+
+    def acquire(self, blocking=True, timeout=None):
+        """Acquire a semaphore, decrementing the internal counter by one.
+
+        When invoked without arguments: if the internal counter is larger than
+        zero on entry, decrement it by one and return immediately. If it is zero
+        on entry, block, waiting until some other thread has called release() to
+        make it larger than zero. This is done with proper interlocking so that
+        if multiple acquire() calls are blocked, release() will wake exactly one
+        of them up. The implementation may pick one at random, so the order in
+        which blocked threads are awakened should not be relied on. There is no
+        return value in this case.
+
+        When invoked with blocking set to true, do the same thing as when called
+        without arguments, and return true.
+
+        When invoked with blocking set to false, do not block. If a call without
+        an argument would block, return false immediately; otherwise, do the
+        same thing as when called without arguments, and return true.
+
+        When invoked with a timeout other than None, it will block for at
+        most timeout seconds.  If acquire does not complete successfully in
+        that interval, return false.  Return true otherwise.
+
+        """
+        if not blocking and timeout is not None:
+            raise ValueError("can't specify timeout for non-blocking acquire")
+        rc = False
+        endtime = None
+        with self._cond:
+            while self._value == 0:
+                if not blocking:
+                    break
+                if timeout is not None:
+                    if endtime is None:
+                        endtime = _time() + timeout
+                    else:
+                        timeout = endtime - _time()
+                        if timeout <= 0:
+                            break
+                self._cond.wait(timeout)
+            else:
+                self._value -= 1
+                rc = True
+        return rc
+
+    __enter__ = acquire
+
+    def release(self, n=1):
+        """Release a semaphore, incrementing the internal counter by one or more.
+
+        When the counter is zero on entry and another thread is waiting for it
+        to become larger than zero again, wake up that thread.
+
+        """
+        if n < 1:
+            raise ValueError('n must be one or more')
+        with self._cond:
+            self._value += n
+            for i in range(n):
+                self._cond.notify()
+
+    def __exit__(self, t, v, tb):
+        self.release()
+
+
+class BoundedSemaphore(Semaphore):
+    """Implements a bounded semaphore.
+
+    A bounded semaphore checks to make sure its current value doesn't exceed its
+    initial value. If it does, ValueError is raised. In most situations
+    semaphores are used to guard resources with limited capacity.
+
+    If the semaphore is released too many times it's a sign of a bug. If not
+    given, value defaults to 1.
+
+    Like regular semaphores, bounded semaphores manage a counter representing
+    the number of release() calls minus the number of acquire() calls, plus an
+    initial value. The acquire() method blocks if necessary until it can return
+    without making the counter negative. If not given, value defaults to 1.
+
+    """
+
+    def __init__(self, value=1):
+        Semaphore.__init__(self, value)
+        self._initial_value = value
+
+    def release(self, n=1):
+        """Release a semaphore, incrementing the internal counter by one or more.
+
+        When the counter is zero on entry and another thread is waiting for it
+        to become larger than zero again, wake up that thread.
+
+        If the number of releases exceeds the number of acquires,
+        raise a ValueError.
+
+        """
+        if n < 1:
+            raise ValueError('n must be one or more')
+        with self._cond:
+            if self._value + n > self._initial_value:
+                raise ValueError("Semaphore released too many times")
+            self._value += n
+            for i in range(n):
+                self._cond.notify()
+
+
+class Event:
+    """Class implementing event objects.
+
+    Events manage a flag that can be set to true with the set() method and reset
+    to false with the clear() method. The wait() method blocks until the flag is
+    true.  The flag is initially false.
+
+    """
+
+    # After Tim Peters' event class (without is_posted())
+
+    def __init__(self):
+        self._cond = Condition(Lock())
+        self._flag = False
+
+    def _at_fork_reinit(self):
+        # Private method called by Thread._reset_internal_locks()
+        self._cond._at_fork_reinit()
+
+    def is_set(self):
+        """Return true if and only if the internal flag is true."""
+        return self._flag
+
+    def isSet(self):
+        """Return true if and only if the internal flag is true.
+
+        This method is deprecated, use is_set() instead.
+
+        """
+        import warnings
+        warnings.warn('isSet() is deprecated, use is_set() instead',
+                      DeprecationWarning, stacklevel=2)
+        return self.is_set()
+
+    def set(self):
+        """Set the internal flag to true.
+
+        All threads waiting for it to become true are awakened. Threads
+        that call wait() once the flag is true will not block at all.
+
+        """
+        with self._cond:
+            self._flag = True
+            self._cond.notify_all()
+
+    def clear(self):
+        """Reset the internal flag to false.
+
+        Subsequently, threads calling wait() will block until set() is called to
+        set the internal flag to true again.
+
+        """
+        with self._cond:
+            self._flag = False
+
+    def wait(self, timeout=None):
+        """Block until the internal flag is true.
+
+        If the internal flag is true on entry, return immediately. Otherwise,
+        block until another thread calls set() to set the flag to true, or until
+        the optional timeout occurs.
+
+        When the timeout argument is present and not None, it should be a
+        floating point number specifying a timeout for the operation in seconds
+        (or fractions thereof).
+
+        This method returns the internal flag on exit, so it will always return
+        True except if a timeout is given and the operation times out.
+
+        """
+        with self._cond:
+            signaled = self._flag
+            if not signaled:
+                signaled = self._cond.wait(timeout)
+            return signaled
+
+
+# A barrier class.  Inspired in part by the pthread_barrier_* api and
+# the CyclicBarrier class from Java.  See
+# http://sourceware.org/pthreads-win32/manual/pthread_barrier_init.html and
+# http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/
+#        CyclicBarrier.html
+# for information.
+# We maintain two main states, 'filling' and 'draining' enabling the barrier
+# to be cyclic.  Threads are not allowed into it until it has fully drained
+# since the previous cycle.  In addition, a 'resetting' state exists which is
+# similar to 'draining' except that threads leave with a BrokenBarrierError,
+# and a 'broken' state in which all threads get the exception.
+class Barrier:
+    """Implements a Barrier.
+
+    Useful for synchronizing a fixed number of threads at known synchronization
+    points.  Threads block on 'wait()' and are simultaneously awoken once they
+    have all made that call.
+
+    """
+
+    def __init__(self, parties, action=None, timeout=None):
+        """Create a barrier, initialised to 'parties' threads.
+
+        'action' is a callable which, when supplied, will be called by one of
+        the threads after they have all entered the barrier and just prior to
+        releasing them all. If a 'timeout' is provided, it is used as the
+        default for all subsequent 'wait()' calls.
+
+        """
+        self._cond = Condition(Lock())
+        self._action = action
+        self._timeout = timeout
+        self._parties = parties
+        self._state = 0  # 0 filling, 1 draining, -1 resetting, -2 broken
+        self._count = 0
+
+    def wait(self, timeout=None):
+        """Wait for the barrier.
+
+        When the specified number of threads have started waiting, they are all
+        simultaneously awoken. If an 'action' was provided for the barrier, one
+        of the threads will have executed that callback prior to returning.
+        Returns an individual index number from 0 to 'parties-1'.
+
+        """
+        if timeout is None:
+            timeout = self._timeout
+        with self._cond:
+            self._enter() # Block while the barrier drains.
+            index = self._count
+            self._count += 1
+            try:
+                if index + 1 == self._parties:
+                    # We release the barrier
+                    self._release()
+                else:
+                    # We wait until someone releases us
+                    self._wait(timeout)
+                return index
+            finally:
+                self._count -= 1
+                # Wake up any threads waiting for barrier to drain.
+                self._exit()
+
+    # Block until the barrier is ready for us, or raise an exception
+    # if it is broken.
+    def _enter(self):
+        while self._state in (-1, 1):
+            # It is draining or resetting, wait until done
+            self._cond.wait()
+        #see if the barrier is in a broken state
+        if self._state < 0:
+            raise BrokenBarrierError
+        assert self._state == 0
+
+    # Optionally run the 'action' and release the threads waiting
+    # in the barrier.
+    def _release(self):
+        try:
+            if self._action:
+                self._action()
+            # enter draining state
+            self._state = 1
+            self._cond.notify_all()
+        except:
+            #an exception during the _action handler.  Break and reraise
+            self._break()
+            raise
+
+    # Wait in the barrier until we are released.  Raise an exception
+    # if the barrier is reset or broken.
+    def _wait(self, timeout):
+        if not self._cond.wait_for(lambda : self._state != 0, timeout):
+            #timed out.  Break the barrier
+            self._break()
+            raise BrokenBarrierError
+        if self._state < 0:
+            raise BrokenBarrierError
+        assert self._state == 1
+
+    # If we are the last thread to exit the barrier, signal any threads
+    # waiting for the barrier to drain.
+    def _exit(self):
+        if self._count == 0:
+            if self._state in (-1, 1):
+                #resetting or draining
+                self._state = 0
+                self._cond.notify_all()
+
+    def reset(self):
+        """Reset the barrier to the initial state.
+
+        Any threads currently waiting will get the BrokenBarrier exception
+        raised.
+
+        """
+        with self._cond:
+            if self._count > 0:
+                if self._state == 0:
+                    #reset the barrier, waking up threads
+                    self._state = -1
+                elif self._state == -2:
+                    #was broken, set it to reset state
+                    #which clears when the last thread exits
+                    self._state = -1
+            else:
+                self._state = 0
+            self._cond.notify_all()
+
+    def abort(self):
+        """Place the barrier into a 'broken' state.
+
+        Useful in case of error.  Any currently waiting threads and threads
+        attempting to 'wait()' will have BrokenBarrierError raised.
+
+        """
+        with self._cond:
+            self._break()
+
+    def _break(self):
+        # An internal error was detected.  The barrier is set to
+        # a broken state all parties awakened.
+        self._state = -2
+        self._cond.notify_all()
+
+    @property
+    def parties(self):
+        """Return the number of threads required to trip the barrier."""
+        return self._parties
+
+    @property
+    def n_waiting(self):
+        """Return the number of threads currently waiting at the barrier."""
+        # We don't need synchronization here since this is an ephemeral result
+        # anyway.  It returns the correct value in the steady state.
+        if self._state == 0:
+            return self._count
+        return 0
+
+    @property
+    def broken(self):
+        """Return True if the barrier is in a broken state."""
+        return self._state == -2
+
+# exception raised by the Barrier class
+class BrokenBarrierError(RuntimeError):
+    pass
+
+
+# Helper to generate new thread names
+_counter = _count(1).__next__
+def _newname(name_template):
+    return name_template % _counter()
+
+# Active thread administration.
+#
+# bpo-44422: Use a reentrant lock to allow reentrant calls to functions like
+# threading.enumerate().
+_active_limbo_lock = RLock()
+_active = {}    # maps thread id to Thread object
+_limbo = {}
+_dangling = WeakSet()
+
+# Set of Thread._tstate_lock locks of non-daemon threads used by _shutdown()
+# to wait until all Python thread states get deleted:
+# see Thread._set_tstate_lock().
+_shutdown_locks_lock = _allocate_lock()
+_shutdown_locks = set()
+
+def _maintain_shutdown_locks():
+    """
+    Drop any shutdown locks that don't correspond to running threads anymore.
+
+    Calling this from time to time avoids an ever-growing _shutdown_locks
+    set when Thread objects are not joined explicitly. See bpo-37788.
+
+    This must be called with _shutdown_locks_lock acquired.
+    """
+    # If a lock was released, the corresponding thread has exited
+    to_remove = [lock for lock in _shutdown_locks if not lock.locked()]
+    _shutdown_locks.difference_update(to_remove)
+
+
+# Main class for threads
+
+class Thread:
+    """A class that represents a thread of control.
+
+    This class can be safely subclassed in a limited fashion. There are two ways
+    to specify the activity: by passing a callable object to the constructor, or
+    by overriding the run() method in a subclass.
+
+    """
+
+    _initialized = False
+
+    def __init__(self, group=None, target=None, name=None,
+                 args=(), kwargs=None, *, daemon=None):
+        """This constructor should always be called with keyword arguments. Arguments are:
+
+        *group* should be None; reserved for future extension when a ThreadGroup
+        class is implemented.
+
+        *target* is the callable object to be invoked by the run()
+        method. Defaults to None, meaning nothing is called.
+
+        *name* is the thread name. By default, a unique name is constructed of
+        the form "Thread-N" where N is a small decimal number.
+
+        *args* is the argument tuple for the target invocation. Defaults to ().
+
+        *kwargs* is a dictionary of keyword arguments for the target
+        invocation. Defaults to {}.
+
+        If a subclass overrides the constructor, it must make sure to invoke
+        the base class constructor (Thread.__init__()) before doing anything
+        else to the thread.
+
+        """
+        assert group is None, "group argument must be None for now"
+        if kwargs is None:
+            kwargs = {}
+        if name:
+            name = str(name)
+        else:
+            name = _newname("Thread-%d")
+            if target is not None:
+                try:
+                    target_name = target.__name__
+                    name += f" ({target_name})"
+                except AttributeError:
+                    pass
+
+        self._target = target
+        self._name = name
+        self._args = args
+        self._kwargs = kwargs
+        if daemon is not None:
+            self._daemonic = daemon
+        else:
+            self._daemonic = current_thread().daemon
+        self._ident = None
+        if _HAVE_THREAD_NATIVE_ID:
+            self._native_id = None
+        self._tstate_lock = None
+        self._started = Event()
+        self._is_stopped = False
+        self._initialized = True
+        # Copy of sys.stderr used by self._invoke_excepthook()
+        self._stderr = _sys.stderr
+        self._invoke_excepthook = _make_invoke_excepthook()
+        # For debugging and _after_fork()
+        _dangling.add(self)
+
+    def _reset_internal_locks(self, is_alive):
+        # private!  Called by _after_fork() to reset our internal locks as
+        # they may be in an invalid state leading to a deadlock or crash.
+        self._started._at_fork_reinit()
+        if is_alive:
+            # bpo-42350: If the fork happens when the thread is already stopped
+            # (ex: after threading._shutdown() has been called), _tstate_lock
+            # is None. Do nothing in this case.
+            if self._tstate_lock is not None:
+                self._tstate_lock._at_fork_reinit()
+                self._tstate_lock.acquire()
+        else:
+            # The thread isn't alive after fork: it doesn't have a tstate
+            # anymore.
+            self._is_stopped = True
+            self._tstate_lock = None
+
+    def __repr__(self):
+        assert self._initialized, "Thread.__init__() was not called"
+        status = "initial"
+        if self._started.is_set():
+            status = "started"
+        self.is_alive() # easy way to get ._is_stopped set when appropriate
+        if self._is_stopped:
+            status = "stopped"
+        if self._daemonic:
+            status += " daemon"
+        if self._ident is not None:
+            status += " %s" % self._ident
+        return "<%s(%s, %s)>" % (self.__class__.__name__, self._name, status)
+
+    def start(self):
+        """Start the thread's activity.
+
+        It must be called at most once per thread object. It arranges for the
+        object's run() method to be invoked in a separate thread of control.
+
+        This method will raise a RuntimeError if called more than once on the
+        same thread object.
+
+        """
+        if not self._initialized:
+            raise RuntimeError("thread.__init__() not called")
+
+        if self._started.is_set():
+            raise RuntimeError("threads can only be started once")
+
+        with _active_limbo_lock:
+            _limbo[self] = self
+        try:
+            _start_new_thread(self._bootstrap, ())
+        except Exception:
+            with _active_limbo_lock:
+                del _limbo[self]
+            raise
+        self._started.wait()
+
+    def run(self):
+        """Method representing the thread's activity.
+
+        You may override this method in a subclass. The standard run() method
+        invokes the callable object passed to the object's constructor as the
+        target argument, if any, with sequential and keyword arguments taken
+        from the args and kwargs arguments, respectively.
+
+        """
+        try:
+            if self._target is not None:
+                self._target(*self._args, **self._kwargs)
+        finally:
+            # Avoid a refcycle if the thread is running a function with
+            # an argument that has a member that points to the thread.
+            del self._target, self._args, self._kwargs
+
+    def _bootstrap(self):
+        # Wrapper around the real bootstrap code that ignores
+        # exceptions during interpreter cleanup.  Those typically
+        # happen when a daemon thread wakes up at an unfortunate
+        # moment, finds the world around it destroyed, and raises some
+        # random exception *** while trying to report the exception in
+        # _bootstrap_inner() below ***.  Those random exceptions
+        # don't help anybody, and they confuse users, so we suppress
+        # them.  We suppress them only when it appears that the world
+        # indeed has already been destroyed, so that exceptions in
+        # _bootstrap_inner() during normal business hours are properly
+        # reported.  Also, we only suppress them for daemonic threads;
+        # if a non-daemonic encounters this, something else is wrong.
+        try:
+            self._bootstrap_inner()
+        except:
+            if self._daemonic and _sys is None:
+                return
+            raise
+
+    def _set_ident(self):
+        self._ident = get_ident()
+
+    if _HAVE_THREAD_NATIVE_ID:
+        def _set_native_id(self):
+            self._native_id = get_native_id()
+
+    def _set_tstate_lock(self):
+        """
+        Set a lock object which will be released by the interpreter when
+        the underlying thread state (see pystate.h) gets deleted.
+        """
+        self._tstate_lock = _set_sentinel()
+        self._tstate_lock.acquire()
+
+        if not self.daemon:
+            with _shutdown_locks_lock:
+                _maintain_shutdown_locks()
+                _shutdown_locks.add(self._tstate_lock)
+
+    def _bootstrap_inner(self):
+        try:
+            self._set_ident()
+            self._set_tstate_lock()
+            if _HAVE_THREAD_NATIVE_ID:
+                self._set_native_id()
+            self._started.set()
+            with _active_limbo_lock:
+                _active[self._ident] = self
+                del _limbo[self]
+
+            if _trace_hook:
+                _sys.settrace(_trace_hook)
+            if _profile_hook:
+                _sys.setprofile(_profile_hook)
+
+            try:
+                self.run()
+            except:
+                self._invoke_excepthook(self)
+        finally:
+            with _active_limbo_lock:
+                try:
+                    # We don't call self._delete() because it also
+                    # grabs _active_limbo_lock.
+                    del _active[get_ident()]
+                except:
+                    pass
+
+    def _stop(self):
+        # After calling ._stop(), .is_alive() returns False and .join() returns
+        # immediately.  ._tstate_lock must be released before calling ._stop().
+        #
+        # Normal case:  C code at the end of the thread's life
+        # (release_sentinel in _threadmodule.c) releases ._tstate_lock, and
+        # that's detected by our ._wait_for_tstate_lock(), called by .join()
+        # and .is_alive().  Any number of threads _may_ call ._stop()
+        # simultaneously (for example, if multiple threads are blocked in
+        # .join() calls), and they're not serialized.  That's harmless -
+        # they'll just make redundant rebindings of ._is_stopped and
+        # ._tstate_lock.  Obscure:  we rebind ._tstate_lock last so that the
+        # "assert self._is_stopped" in ._wait_for_tstate_lock() always works
+        # (the assert is executed only if ._tstate_lock is None).
+        #
+        # Special case:  _main_thread releases ._tstate_lock via this
+        # module's _shutdown() function.
+        lock = self._tstate_lock
+        if lock is not None:
+            assert not lock.locked()
+        self._is_stopped = True
+        self._tstate_lock = None
+        if not self.daemon:
+            with _shutdown_locks_lock:
+                # Remove our lock and other released locks from _shutdown_locks
+                _maintain_shutdown_locks()
+
+    def _delete(self):
+        "Remove current thread from the dict of currently running threads."
+        with _active_limbo_lock:
+            del _active[get_ident()]
+            # There must not be any python code between the previous line
+            # and after the lock is released.  Otherwise a tracing function
+            # could try to acquire the lock again in the same thread, (in
+            # current_thread()), and would block.
+
+    def join(self, timeout=None):
+        """Wait until the thread terminates.
+
+        This blocks the calling thread until the thread whose join() method is
+        called terminates -- either normally or through an unhandled exception
+        or until the optional timeout occurs.
+
+        When the timeout argument is present and not None, it should be a
+        floating point number specifying a timeout for the operation in seconds
+        (or fractions thereof). As join() always returns None, you must call
+        is_alive() after join() to decide whether a timeout happened -- if the
+        thread is still alive, the join() call timed out.
+
+        When the timeout argument is not present or None, the operation will
+        block until the thread terminates.
+
+        A thread can be join()ed many times.
+
+        join() raises a RuntimeError if an attempt is made to join the current
+        thread as that would cause a deadlock. It is also an error to join() a
+        thread before it has been started and attempts to do so raises the same
+        exception.
+
+        """
+        if not self._initialized:
+            raise RuntimeError("Thread.__init__() not called")
+        if not self._started.is_set():
+            raise RuntimeError("cannot join thread before it is started")
+        if self is current_thread():
+            raise RuntimeError("cannot join current thread")
+
+        if timeout is None:
+            self._wait_for_tstate_lock()
+        else:
+            # the behavior of a negative timeout isn't documented, but
+            # historically .join(timeout=x) for x<0 has acted as if timeout=0
+            self._wait_for_tstate_lock(timeout=max(timeout, 0))
+
+    def _wait_for_tstate_lock(self, block=True, timeout=-1):
+        # Issue #18808: wait for the thread state to be gone.
+        # At the end of the thread's life, after all knowledge of the thread
+        # is removed from C data structures, C code releases our _tstate_lock.
+        # This method passes its arguments to _tstate_lock.acquire().
+        # If the lock is acquired, the C code is done, and self._stop() is
+        # called.  That sets ._is_stopped to True, and ._tstate_lock to None.
+        lock = self._tstate_lock
+        if lock is None:
+            # already determined that the C code is done
+            assert self._is_stopped
+            return
+
+        try:
+            if lock.acquire(block, timeout):
+                lock.release()
+                self._stop()
+        except:
+            if lock.locked():
+                # bpo-45274: lock.acquire() acquired the lock, but the function
+                # was interrupted with an exception before reaching the
+                # lock.release(). It can happen if a signal handler raises an
+                # exception, like CTRL+C which raises KeyboardInterrupt.
+                lock.release()
+                self._stop()
+            raise
+
+    @property
+    def name(self):
+        """A string used for identification purposes only.
+
+        It has no semantics. Multiple threads may be given the same name. The
+        initial name is set by the constructor.
+
+        """
+        assert self._initialized, "Thread.__init__() not called"
+        return self._name
+
+    @name.setter
+    def name(self, name):
+        assert self._initialized, "Thread.__init__() not called"
+        self._name = str(name)
+
+    @property
+    def ident(self):
+        """Thread identifier of this thread or None if it has not been started.
+
+        This is a nonzero integer. See the get_ident() function. Thread
+        identifiers may be recycled when a thread exits and another thread is
+        created. The identifier is available even after the thread has exited.
+
+        """
+        assert self._initialized, "Thread.__init__() not called"
+        return self._ident
+
+    if _HAVE_THREAD_NATIVE_ID:
+        @property
+        def native_id(self):
+            """Native integral thread ID of this thread, or None if it has not been started.
+
+            This is a non-negative integer. See the get_native_id() function.
+            This represents the Thread ID as reported by the kernel.
+
+            """
+            assert self._initialized, "Thread.__init__() not called"
+            return self._native_id
+
+    def is_alive(self):
+        """Return whether the thread is alive.
+
+        This method returns True just before the run() method starts until just
+        after the run() method terminates. See also the module function
+        enumerate().
+
+        """
+        assert self._initialized, "Thread.__init__() not called"
+        if self._is_stopped or not self._started.is_set():
+            return False
+        self._wait_for_tstate_lock(False)
+        return not self._is_stopped
+
+    @property
+    def daemon(self):
+        """A boolean value indicating whether this thread is a daemon thread.
+
+        This must be set before start() is called, otherwise RuntimeError is
+        raised. Its initial value is inherited from the creating thread; the
+        main thread is not a daemon thread and therefore all threads created in
+        the main thread default to daemon = False.
+
+        The entire Python program exits when only daemon threads are left.
+
+        """
+        assert self._initialized, "Thread.__init__() not called"
+        return self._daemonic
+
+    @daemon.setter
+    def daemon(self, daemonic):
+        if not self._initialized:
+            raise RuntimeError("Thread.__init__() not called")
+        if self._started.is_set():
+            raise RuntimeError("cannot set daemon status of active thread")
+        self._daemonic = daemonic
+
+    def isDaemon(self):
+        """Return whether this thread is a daemon.
+
+        This method is deprecated, use the daemon attribute instead.
+
+        """
+        import warnings
+        warnings.warn('isDaemon() is deprecated, get the daemon attribute instead',
+                      DeprecationWarning, stacklevel=2)
+        return self.daemon
+
+    def setDaemon(self, daemonic):
+        """Set whether this thread is a daemon.
+
+        This method is deprecated, use the .daemon property instead.
+
+        """
+        import warnings
+        warnings.warn('setDaemon() is deprecated, set the daemon attribute instead',
+                      DeprecationWarning, stacklevel=2)
+        self.daemon = daemonic
+
+    def getName(self):
+        """Return a string used for identification purposes only.
+
+        This method is deprecated, use the name attribute instead.
+
+        """
+        import warnings
+        warnings.warn('getName() is deprecated, get the name attribute instead',
+                      DeprecationWarning, stacklevel=2)
+        return self.name
+
+    def setName(self, name):
+        """Set the name string for this thread.
+
+        This method is deprecated, use the name attribute instead.
+
+        """
+        import warnings
+        warnings.warn('setName() is deprecated, set the name attribute instead',
+                      DeprecationWarning, stacklevel=2)
+        self.name = name
+
+
+try:
+    from _thread import (_excepthook as excepthook,
+                         _ExceptHookArgs as ExceptHookArgs)
+except ImportError:
+    # Simple Python implementation if _thread._excepthook() is not available
+    from traceback import print_exception as _print_exception
+    from collections import namedtuple
+
+    _ExceptHookArgs = namedtuple(
+        'ExceptHookArgs',
+        'exc_type exc_value exc_traceback thread')
+
+    def ExceptHookArgs(args):
+        return _ExceptHookArgs(*args)
+
+    def excepthook(args, /):
+        """
+        Handle uncaught Thread.run() exception.
+        """
+        if args.exc_type == SystemExit:
+            # silently ignore SystemExit
+            return
+
+        if _sys is not None and _sys.stderr is not None:
+            stderr = _sys.stderr
+        elif args.thread is not None:
+            stderr = args.thread._stderr
+            if stderr is None:
+                # do nothing if sys.stderr is None and sys.stderr was None
+                # when the thread was created
+                return
+        else:
+            # do nothing if sys.stderr is None and args.thread is None
+            return
+
+        if args.thread is not None:
+            name = args.thread.name
+        else:
+            name = get_ident()
+        print(f"Exception in thread {name}:",
+              file=stderr, flush=True)
+        _print_exception(args.exc_type, args.exc_value, args.exc_traceback,
+                         file=stderr)
+        stderr.flush()
+
+
+# Original value of threading.excepthook
+__excepthook__ = excepthook
+
+
+def _make_invoke_excepthook():
+    # Create a local namespace to ensure that variables remain alive
+    # when _invoke_excepthook() is called, even if it is called late during
+    # Python shutdown. It is mostly needed for daemon threads.
+
+    old_excepthook = excepthook
+    old_sys_excepthook = _sys.excepthook
+    if old_excepthook is None:
+        raise RuntimeError("threading.excepthook is None")
+    if old_sys_excepthook is None:
+        raise RuntimeError("sys.excepthook is None")
+
+    sys_exc_info = _sys.exc_info
+    local_print = print
+    local_sys = _sys
+
+    def invoke_excepthook(thread):
+        global excepthook
+        try:
+            hook = excepthook
+            if hook is None:
+                hook = old_excepthook
+
+            args = ExceptHookArgs([*sys_exc_info(), thread])
+
+            hook(args)
+        except Exception as exc:
+            exc.__suppress_context__ = True
+            del exc
+
+            if local_sys is not None and local_sys.stderr is not None:
+                stderr = local_sys.stderr
+            else:
+                stderr = thread._stderr
+
+            local_print("Exception in threading.excepthook:",
+                        file=stderr, flush=True)
+
+            if local_sys is not None and local_sys.excepthook is not None:
+                sys_excepthook = local_sys.excepthook
+            else:
+                sys_excepthook = old_sys_excepthook
+
+            sys_excepthook(*sys_exc_info())
+        finally:
+            # Break reference cycle (exception stored in a variable)
+            args = None
+
+    return invoke_excepthook
+
+
+# The timer class was contributed by Itamar Shtull-Trauring
+
+class Timer(Thread):
+    """Call a function after a specified number of seconds:
+
+            t = Timer(30.0, f, args=None, kwargs=None)
+            t.start()
+            t.cancel()     # stop the timer's action if it's still waiting
+
+    """
+
+    def __init__(self, interval, function, args=None, kwargs=None):
+        Thread.__init__(self)
+        self.interval = interval
+        self.function = function
+        self.args = args if args is not None else []
+        self.kwargs = kwargs if kwargs is not None else {}
+        self.finished = Event()
+
+    def cancel(self):
+        """Stop the timer if it hasn't finished yet."""
+        self.finished.set()
+
+    def run(self):
+        self.finished.wait(self.interval)
+        if not self.finished.is_set():
+            self.function(*self.args, **self.kwargs)
+        self.finished.set()
+
+
+# Special thread class to represent the main thread
+
+class _MainThread(Thread):
+
+    def __init__(self):
+        Thread.__init__(self, name="MainThread", daemon=False)
+        self._set_tstate_lock()
+        self._started.set()
+        self._set_ident()
+        if _HAVE_THREAD_NATIVE_ID:
+            self._set_native_id()
+        with _active_limbo_lock:
+            _active[self._ident] = self
+
+
+# Dummy thread class to represent threads not started here.
+# These aren't garbage collected when they die, nor can they be waited for.
+# If they invoke anything in threading.py that calls current_thread(), they
+# leave an entry in the _active dict forever after.
+# Their purpose is to return *something* from current_thread().
+# They are marked as daemon threads so we won't wait for them
+# when we exit (conform previous semantics).
+
+class _DummyThread(Thread):
+
+    def __init__(self):
+        Thread.__init__(self, name=_newname("Dummy-%d"), daemon=True)
+
+        self._started.set()
+        self._set_ident()
+        if _HAVE_THREAD_NATIVE_ID:
+            self._set_native_id()
+        with _active_limbo_lock:
+            _active[self._ident] = self
+
+    def _stop(self):
+        pass
+
+    def is_alive(self):
+        assert not self._is_stopped and self._started.is_set()
+        return True
+
+    def join(self, timeout=None):
+        assert False, "cannot join a dummy thread"
+
+
+# Global API functions
+
+def current_thread():
+    """Return the current Thread object, corresponding to the caller's thread of control.
+
+    If the caller's thread of control was not created through the threading
+    module, a dummy thread object with limited functionality is returned.
+
+    """
+    try:
+        return _active[get_ident()]
+    except KeyError:
+        return _DummyThread()
+
+def currentThread():
+    """Return the current Thread object, corresponding to the caller's thread of control.
+
+    This function is deprecated, use current_thread() instead.
+
+    """
+    import warnings
+    warnings.warn('currentThread() is deprecated, use current_thread() instead',
+                  DeprecationWarning, stacklevel=2)
+    return current_thread()
+
+def active_count():
+    """Return the number of Thread objects currently alive.
+
+    The returned count is equal to the length of the list returned by
+    enumerate().
+
+    """
+    with _active_limbo_lock:
+        return len(_active) + len(_limbo)
+
+def activeCount():
+    """Return the number of Thread objects currently alive.
+
+    This function is deprecated, use active_count() instead.
+
+    """
+    import warnings
+    warnings.warn('activeCount() is deprecated, use active_count() instead',
+                  DeprecationWarning, stacklevel=2)
+    return active_count()
+
+def _enumerate():
+    # Same as enumerate(), but without the lock. Internal use only.
+    return list(_active.values()) + list(_limbo.values())
+
+def enumerate():
+    """Return a list of all Thread objects currently alive.
+
+    The list includes daemonic threads, dummy thread objects created by
+    current_thread(), and the main thread. It excludes terminated threads and
+    threads that have not yet been started.
+
+    """
+    with _active_limbo_lock:
+        return list(_active.values()) + list(_limbo.values())
+
+
+_threading_atexits = []
+_SHUTTING_DOWN = False
+
+def _register_atexit(func, *arg, **kwargs):
+    """CPython internal: register *func* to be called before joining threads.
+
+    The registered *func* is called with its arguments just before all
+    non-daemon threads are joined in `_shutdown()`. It provides a similar
+    purpose to `atexit.register()`, but its functions are called prior to
+    threading shutdown instead of interpreter shutdown.
+
+    For similarity to atexit, the registered functions are called in reverse.
+    """
+    if _SHUTTING_DOWN:
+        raise RuntimeError("can't register atexit after shutdown")
+
+    call = functools.partial(func, *arg, **kwargs)
+    _threading_atexits.append(call)
+
+
+from _thread import stack_size
+
+# Create the main thread object,
+# and make it available for the interpreter
+# (Py_Main) as threading._shutdown.
+
+_main_thread = _MainThread()
+
+def _shutdown():
+    """
+    Wait until the Python thread state of all non-daemon threads get deleted.
+    """
+    # Obscure:  other threads may be waiting to join _main_thread.  That's
+    # dubious, but some code does it.  We can't wait for C code to release
+    # the main thread's tstate_lock - that won't happen until the interpreter
+    # is nearly dead.  So we release it here.  Note that just calling _stop()
+    # isn't enough:  other threads may already be waiting on _tstate_lock.
+    if _main_thread._is_stopped:
+        # _shutdown() was already called
+        return
+
+    global _SHUTTING_DOWN
+    _SHUTTING_DOWN = True
+
+    # Call registered threading atexit functions before threads are joined.
+    # Order is reversed, similar to atexit.
+    for atexit_call in reversed(_threading_atexits):
+        atexit_call()
+
+    # Main thread
+    if _main_thread.ident == get_ident():
+        tlock = _main_thread._tstate_lock
+        # The main thread isn't finished yet, so its thread state lock can't
+        # have been released.
+        assert tlock is not None
+        assert tlock.locked()
+        tlock.release()
+        _main_thread._stop()
+    else:
+        # bpo-1596321: _shutdown() must be called in the main thread.
+        # If the threading module was not imported by the main thread,
+        # _main_thread is the thread which imported the threading module.
+        # In this case, ignore _main_thread, similar behavior than for threads
+        # spawned by C libraries or using _thread.start_new_thread().
+        pass
+
+    # Join all non-deamon threads
+    while True:
+        with _shutdown_locks_lock:
+            locks = list(_shutdown_locks)
+            _shutdown_locks.clear()
+
+        if not locks:
+            break
+
+        for lock in locks:
+            # mimic Thread.join()
+            lock.acquire()
+            lock.release()
+
+        # new threads can be spawned while we were waiting for the other
+        # threads to complete
+
+
+def main_thread():
+    """Return the main thread object.
+
+    In normal conditions, the main thread is the thread from which the
+    Python interpreter was started.
+    """
+    return _main_thread
+
+# get thread-local implementation, either from the thread
+# module, or from the python fallback
+
+try:
+    from _thread import _local as local
+except ImportError:
+    from _threading_local import local
+
+
+def _after_fork():
+    """
+    Cleanup threading module state that should not exist after a fork.
+    """
+    # Reset _active_limbo_lock, in case we forked while the lock was held
+    # by another (non-forked) thread.  http://bugs.python.org/issue874900
+    global _active_limbo_lock, _main_thread
+    global _shutdown_locks_lock, _shutdown_locks
+    _active_limbo_lock = RLock()
+
+    # fork() only copied the current thread; clear references to others.
+    new_active = {}
+
+    try:
+        current = _active[get_ident()]
+    except KeyError:
+        # fork() was called in a thread which was not spawned
+        # by threading.Thread. For example, a thread spawned
+        # by thread.start_new_thread().
+        current = _MainThread()
+
+    _main_thread = current
+
+    # reset _shutdown() locks: threads re-register their _tstate_lock below
+    _shutdown_locks_lock = _allocate_lock()
+    _shutdown_locks = set()
+
+    with _active_limbo_lock:
+        # Dangling thread instances must still have their locks reset,
+        # because someone may join() them.
+        threads = set(_enumerate())
+        threads.update(_dangling)
+        for thread in threads:
+            # Any lock/condition variable may be currently locked or in an
+            # invalid state, so we reinitialize them.
+            if thread is current:
+                # There is only one active thread. We reset the ident to
+                # its new value since it can have changed.
+                thread._reset_internal_locks(True)
+                ident = get_ident()
+                thread._ident = ident
+                new_active[ident] = thread
+            else:
+                # All the others are already stopped.
+                thread._reset_internal_locks(False)
+                thread._stop()
+
+        _limbo.clear()
+        _active.clear()
+        _active.update(new_active)
+        assert len(_active) == 1
+
+
+if hasattr(_os, "register_at_fork"):
+    _os.register_at_fork(after_in_child=_after_fork)