Update JAQKET.py

bump dataset version to 0.3.0

JAQKET.py

@@ -93,18 +93,26 @@ def dataset_info_v2() -> ds.Features:
     )
 
 
+class JAQKETBuilderConfig(ds.BuilderConfig):
+    def __init__(self, name, num_contexts, **kwargs):
+        super().__init__(name, **kwargs)
+        self.num_contexts = num_contexts
+
+
 class JAQKET(ds.GeneratorBasedBuilder):
-    VERSION = ds.Version("0.2.0")
+    VERSION = ds.Version("0.3.0")
     BUILDER_CONFIGS = [
-        ds.BuilderConfig(
+        JAQKETBuilderConfig(
             name="v1.0",
             version=VERSION,
             description=_DESCRIPTION_CONFIGS["v1.0"],
+            num_contexts=5,
         ),
-        ds.BuilderConfig(
+        JAQKETBuilderConfig(
             name="v2.0",
             version=VERSION,
             description=_DESCRIPTION_CONFIGS["v2.0"],
+            num_contexts=5,
         ),
     ]
 
@@ -145,12 +153,14 @@ class JAQKET(ds.GeneratorBasedBuilder):
 
     def _generate_examples_v1(
         self,
-        file_path: Optional[str] = None,
-        entities_file_path: Optional[str] = None,
-        num_candidates: Optional[int] = None,
+        file_path: str,
+        entities_file_path: str,
+        num_contexts: int,
     ):
         if file_path is None or entities_file_path is None:
             raise ValueError(f"Invalid argument for {self.config.name}")
+        if num_contexts is None:
+            num_contexts = 20 # maximum
 
         entities = dict()
         with open(entities_file_path, "r", encoding="utf-8") as fin:
@@ -166,14 +176,14 @@ class JAQKET(ds.GeneratorBasedBuilder):
                 q_id = data_raw["qid"]
                 question = data_raw["question"].replace("_", "")
                 answer_entity = data_raw["answer_entity"]
-                answer_candidates = data_raw["answer_candidates"][:num_candidates]
+                answer_candidates = data_raw["answer_candidates"][:num_contexts]
 
                 if answer_entity not in answer_candidates:
                     continue
-                if len(answer_candidates) != num_candidates:
+                if len(answer_candidates) != num_contexts:
                     continue
             
-                contexts = [entities[answer_candidates[i]] for i in range(num_candidates)]
+                contexts = [entities[answer_candidates[i]] for i in range(num_contexts)]
                 label = str(answer_candidates.index(answer_entity))
                 example_dict = {
                     "qid": q_id,
@@ -187,10 +197,13 @@ class JAQKET(ds.GeneratorBasedBuilder):
 
     def _generate_examples_v2(
         self,
-        file_path: Optional[str] = None
+        file_path: str,
+        num_contexts: int,
     ):
         if file_path is None:
             raise ValueError(f"Invalid argument for {self.config.name}")
+        if num_contexts is None:
+            num_contexts = 100 # it's the largest in acc@k on https://github.com/cl-tohoku/AIO2_DPR_baseline
 
         with open(file_path, "r") as rf:
             json_data = json.load(rf)
@@ -202,6 +215,11 @@ class JAQKET(ds.GeneratorBasedBuilder):
                 {"text": answer, "answer_start": -1 } # -1: dummy
                 for answer in json_dict["answers"]
             ]
+
+            has_answer = [ctx["has_answer"] for ctx in json_dict["ctxs"][:num_contexts]]
+            if True not in has_answer:
+                continue
+
             ctxs = [
                 {
                     "id": ctx["id"],
@@ -211,7 +229,7 @@ class JAQKET(ds.GeneratorBasedBuilder):
                     "has_answer": ctx["has_answer"]
 
                 }
-                for ctx in json_dict["ctxs"]
+                for ctx in json_dict["ctxs"][:num_contexts]
             ]
             example_dict = {
                 "qid": q_id,
@@ -223,13 +241,12 @@ class JAQKET(ds.GeneratorBasedBuilder):
 
     def _generate_examples(
         self,
-        file_path: Optional[str] = None,
+        file_path: str,
         entities_file_path: Optional[str] = None,
-        num_candidates: int = 5,
     ):
         if self.config.name == "v1.0":
-            yield from self._generate_examples_v1(file_path, entities_file_path, num_candidates)
+            yield from self._generate_examples_v1(file_path, entities_file_path, self.config.num_contexts)
         elif self.config.name == "v2.0":
-            yield from self._generate_examples_v2(file_path)
+            yield from self._generate_examples_v2(file_path, self.config.num_contexts)
         else:
             raise ValueError(f"Invalid config name: {self.config.name}")