feat: Add splits to train val test

Peter.py

@@ -1,4 +1,5 @@
 import os
+import json
 import datasets
 
 
@@ -13,24 +14,50 @@ class Peter(datasets.GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        DL_URLS = [
-            "images.zip"
-        ]
-        data_files = dl_manager.download_and_extract(DL_URLS)
+        _URLS = {
+            "images": "images.zip",
+            "train_data": "annotations_train.json",
+            "test_data": "annotations_test.json",
+            "val_data": "annotations_val.json"
+        }
+        data_files = dl_manager.download_and_extract(_URLS)
 
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TRAIN,
                 gen_kwargs={
-                    "image_paths": dl_manager.iter_files(data_files),
+                    "image_paths": dl_manager.iter_files(data_files["images"]),
+                    "annotation_path": data_files["train_data"],
+                },
+            ),
+            datasets.SplitGenerator(
+                name=datasets.Split.TEST,
+                gen_kwargs={
+                    "image_paths": dl_manager.iter_files(data_files["images"]),
+                    "annotation_path": data_files["test_data"],
                 },
             ),
+            datasets.SplitGenerator(
+                name=datasets.Split.VALIDATION,
+                gen_kwargs={
+                    "image_paths": dl_manager.iter_files(data_files["images"]),
+                    "annotation_path": data_files["val_data"],
+                },
+            )
         ]
 
-    def _generate_examples(self, image_paths):
+    def _generate_examples(self, image_paths, annotation_path):
         """Generate examples."""
+        with open(annotation_path, 'r') as f:
+            data = json.load(f)
+
+        image_names = set()
+        for image_data in data['images']:
+            image_names.add(image_data['file_name'])
+
         for idx, image_path in enumerate(image_paths):
-            example = {
-                "image": image_path,
-            }
-            yield idx, example
+            if os.path.basename(image_path) in image_names:
+                example = {
+                    "image": image_path,
+                }
+                yield idx, example