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import os
import sys
import argparse
import subprocess
import zipnn
from concurrent.futures import (
ProcessPoolExecutor,
as_completed,
)
from zipnn_decompress_file import (
decompress_file,
)
sys.path.append(
os.path.abspath(
os.path.join(
os.path.dirname(__file__),
"..",
)
)
)
def check_and_install_zipnn():
try:
import zipnn
except ImportError:
print("zipnn not found. Installing...")
subprocess.check_call(
[
sys.executable,
"-m",
"pip",
"install",
"zipnn",
]
)
import zipnn
def decompress_zpn_files(
dtype="",
path=".",
delete=False,
force=False,
max_processes=1,
):
file_list = []
directories_to_search = [
(
path,
[],
os.listdir(path),
)
]
for (
root,
_,
files,
) in directories_to_search:
for file_name in files:
if file_name.endswith(".znn"):
decompressed_path = file_name[:-4]
if not force and os.path.exists(
decompressed_path
):
user_input = (
input(
f"{decompressed_path} already exists; overwrite (y/n)? "
)
.strip()
.lower()
)
if user_input not in (
"y",
"yes",
):
print(
f"Skipping {file_name}..."
)
continue
full_path = os.path.join(
root,
file_name,
)
file_list.append(full_path)
with ProcessPoolExecutor(
max_workers=max_processes
) as executor:
for file in file_list[:max_processes]:
future_to_file = {
executor.submit(
decompress_file,
file,
dtype,
delete,
True,
): file
for file in file_list[
:max_processes
]
}
file_list = file_list[max_processes:]
while future_to_file:
for future in as_completed(
future_to_file
):
file = future_to_file.pop(
future
)
try:
future.result()
except Exception as exc:
print(
f"File {file} generated an exception: {exc}"
)
if file_list:
next_file = file_list.pop(
0
)
future_to_file[
executor.submit(
decompress_file,
next_file,
dtype,
delete,
True,
)
] = next_file
#
if __name__ == "__main__":
check_and_install_zipnn()
parser = argparse.ArgumentParser(
description="Compresses all .znn files. (optional) dtype."
)
parser.add_argument(
"--float32",
action="store_true",
help="A flag that triggers float32 compression.",
)
parser.add_argument(
"--path",
type=str,
help="Path to folder of files to decompress. If left empty, checks current folder.",
)
parser.add_argument(
"--delete",
action="store_true",
help="A flag that triggers deletion of a single compressed file instead of decompression",
)
parser.add_argument(
"--force",
action="store_true",
help="A flag that forces overwriting when decompressing.",
)
parser.add_argument(
"--max_processes",
type=int,
help="The amount of maximum processes.",
)
args = parser.parse_args()
optional_kwargs = {}
if args.float32:
optional_kwargs["dtype"] = 32
if args.path is not None:
optional_kwargs["path"] = args.path
if args.delete:
optional_kwargs["delete"] = args.delete
if args.force:
optional_kwargs["force"] = args.force
if args.max_processes:
optional_kwargs["max_processes"] = (
args.max_processes
)
decompress_zpn_files(**optional_kwargs)
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