fix: builder

how2sign-clips.py

@@ -69,14 +69,23 @@ class How2SignClips(datasets.GeneratorBasedBuilder):
         :return:            Splits.
         """
         split_dict = {
-            "train": datasets.Split.TRAIN,
-            "test": datasets.Split.TEST,
-            "val": datasets.Split.VALIDATION,
+            "train": {
+                "name": datasets.Split.TRAIN,
+                "num_shards": 32,
+            },
+            "test": {
+                "name": datasets.Split.TEST,
+                "num_shards": 3,
+            },
+            "val": {
+                "name": datasets.Split.VALIDATION,
+                "num_shards": 2,
+            },
         }
 
         return [
             datasets.SplitGenerator(
-                name=name,
+                name=info["name"],
                 gen_kwargs={
                     "metadata_path": dl_manager.download(
                         _URLS["meta"].format(split=split)
@@ -89,28 +98,31 @@ class How2SignClips(datasets.GeneratorBasedBuilder):
                             )
                         )
                     ),
+                    "num_shards": info["num_shards"],
                 },
             )
-            for split, name in split_dict.items()
+            for split, info in split_dict.items()
         ]
 
     def _generate_examples(
         self, metadata_path: str,
         video_dirs: list[str],
+        num_shards: int,
     ) -> tuple[int, dict]:
         """
         Generate examples from metadata.
         :param metadata_path:       Path to metadata.
-        :param visual_dir:          Directory of visual data.
+        :param visual_dirs:         Directories of videos.
+        :param num_shards:          Number of shards.
         :yield:                     Example.
         """
+
         dataset = datasets.load_dataset(
             "parquet",
             data_files=metadata_path,
             split="train",
         )
         for i, sample in enumerate(dataset):
-            num_shards = len(video_dirs)
             shard_idx = sample["shard"]
             for video_dir in video_dirs:
                 video_path = os.path.join(
@@ -118,14 +130,14 @@ class How2SignClips(datasets.GeneratorBasedBuilder):
                     f"shard_{shard_idx:03d}_{num_shards:03d}",
                     sample["id"] + ".mp4"
                 )
-                # if os.path.exists(video_path):
-                yield i, {
-                    "id": sample["id"],
-                    "type": sample["type"],
-                    "view": sample["view"],
-                    "text": sample["text"],
-                    "video": self.__get_binary_data(video_path),
-                }
+                if os.path.exists(video_path):
+                    yield i, {
+                        "id": sample["id"],
+                        "type": sample["type"],
+                        "view": sample["view"],
+                        "text": sample["text"],
+                        "video": self.__get_binary_data(video_path),
+                    }
 
     def __get_binary_data(self, path):
         with open(path, "rb") as f: