Update PathfinderX2.py

PathfinderX2.py

@@ -74,10 +74,11 @@ class PathfinderX2(datasets.GeneratorBasedBuilder):
 
     def _split_generators(self, dl_manager):
         urls = _URLS[self.config.name]
-        data_dirs = dl_manager.download(urls)
-        train_data = dl_manager.iter_archive(data_dirs["images"]), dl_manager.iter_archive(
+        data_dirs = dl_manager.download_and_extract(urls)  # change from download to download_and_extract
+        train_data = os.path.join(data_dirs["images"]), os.path.join(
             data_dirs["annotations"]
         )
+
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
@@ -90,19 +91,31 @@ class PathfinderX2(datasets.GeneratorBasedBuilder):
 
     def _generate_examples(self, data, split):
         if split == "training":
-            images, annotations = data
+            images_dir, annotations_dir = data
             image_dict = {}
             annotation_dict = {}
+
             # loads the annotations for the split into RAM (less than 100 MB) to support streaming
-            for path_annot, file_annot in annotations:
-                if path_annot.endswith(".png"):
-                    image_id = os.path.basename(path_annot).split(".")[0]
-                    annotation_dict[image_id] = (path_annot, file_annot.read())
-            for idx, (path_img, file_img) in enumerate(images):
-                if path_img.endswith(".png"):
-                    image_id = os.path.basename(path_img).split(".")[0]
-                    path_annot, bytes_annot = image_dict[image_id]
+            for root, _, files in os.walk(annotations_dir):
+                for file_annot in files:
+                    if file_annot.endswith(".png"):
+                        image_id = os.path.splitext(file_annot)[0]
+                        annotation_dict[image_id] = os.path.join(root, file_annot)
+
+            for idx, file_img in enumerate(os.listdir(images_dir)):
+                if file_img.endswith(".png"):
+                    image_id = os.path.splitext(file_img)[0]
+                    image_dict[image_id] = os.path.join(images_dir, file_img)
+
+                    path_img = image_dict[image_id]
+                    path_annot = annotation_dict[image_id]
+
+                    with open(path_img, "rb") as f_img:
+                        bytes_img = f_img.read()
+                    with open(path_annot, "rb") as f_annot:
+                        bytes_annot = f_annot.read()
+
                     yield idx, {
-                        "image": {"path": path_img, "bytes": file_img.read()},
-                        "annotation": {"path": path_annot, "bytes": file_annot.read()}
-                    }      
+                        "image": {"path": path_img, "bytes": bytes_img},
+                        "annotation": {"path": path_annot, "bytes": bytes_annot},
+                    }