Update vtqa2023.py

vtqa2023.py

@@ -40,8 +40,10 @@ These questions require multimedia entity alignment, multi-step reasoning and op
 
 _HOMEPAGE_URL = "https://visual-text-qa.github.io/"
 
-_LICENSE = "The annotations in this dataset belong to the VTQA Consortium and are licensed under a Creative Commons Attribution NonCommercial NoDerivs 4.0 International License"
+_LICENSE = "Creative Commons Attribution NonCommercial NoDerivs 4.0 International License"
 
+# 修改数据URL
+_DATA_URL = "https://huggingface.co/datasets/CalfKing/vtqa2023/tree/main/data"
 
 _ALL_CONFIGS = sorted(
     [
@@ -85,9 +87,6 @@ _BASE_ANSWER_FEATURES = {
 }
 
 
-_DATA_URL = "data"
-
-
 class VTQAConfig(datasets.BuilderConfig):
     """BuilderConfig for VTQA."""
 
@@ -137,7 +136,6 @@ class VTQAConfig(datasets.BuilderConfig):
                     else _BASE_IMAGE_FEATURES[image_type]
                 ),
                 "answers": [baf],
-                "cws_path": datasets.Value("string"),
             }
         )
         return dataset_features
@@ -172,12 +170,20 @@ class VTQA(datasets.GeneratorBasedBuilder):
         lang, image_type = self.config.lang, self.config.image_type
 
         def _get_url(file_name):
-            if self.config.local_url is None:
-                return dl_manager.download_and_extract(
-                    os.path.join(self.config.data_url, f"{file_name}.zip")
-                )
-            else:
-                return os.path.join(self.config.local_url, f"{file_name}")
+            if self.config.local_url is not None:
+                # 检查本地路径是否存在
+                local_path = os.path.join(self.config.local_url, f"{file_name}")
+                if os.path.exists(local_path):
+                    return local_path
+                else:
+                    logger.warning(f"Local path {local_path} not found, falling back to download")
+            
+            # 如果local_url未指定或本地文件不存在,则从远程下载
+            remote_url = os.path.join(self.config.data_url, f"{file_name}.zip")
+            try:
+                return dl_manager.download_and_extract(remote_url)
+            except Exception as e:
+                raise ValueError(f"Failed to download or extract {remote_url}: {str(e)}")
 
         annotation_dir = _get_url("annotations")
         image_dir, region_dir, grid_dir = None, None, None
@@ -262,6 +268,19 @@ class VTQA(datasets.GeneratorBasedBuilder):
     def _generate_examples(
         self, filepath, image_dir=None, region_dir=None, grid_dir=None, labeled=True
     ):
+        # 添加文件存在性检查
+        if not os.path.exists(filepath):
+            raise ValueError(f"Annotation file not found: {filepath}")
+        
+        if image_dir and not os.path.exists(image_dir):
+            raise ValueError(f"Image directory not found: {image_dir}")
+        
+        if region_dir and not os.path.exists(region_dir):
+            raise ValueError(f"Region directory not found: {region_dir}")
+        
+        if grid_dir and not os.path.exists(grid_dir):
+            raise ValueError(f"Grid directory not found: {grid_dir}")
+
         lang, image_type = self.config.lang, self.config.image_type
         use_cws = "cws" if self.config.use_cws else "raw"
         """Yields examples as (key, example) tuples."""