Create format-test.py

format-test.py

@@ -0,0 +1,43 @@
+import os
+from datasets import DatasetInfo, GeneratorBasedBuilder, SplitGenerator, Split, Value, Features
+
+class MyDataset(GeneratorBasedBuilder):
+    def _info(self):
+        return DatasetInfo(
+            description="Custom dataset with images and labels in separate folders",
+            features=Features({
+                "image": Value("string"),   # filepath, will cast later
+                "label": Value("string")
+            }),
+        )
+
+    def _split_generators(self, dl_manager):
+        data_dir = self.config.data_dir or ""
+        return [
+            SplitGenerator(name=Split.TRAIN, gen_kwargs={"split_dir": os.path.join(data_dir, "train")}),
+            SplitGenerator(name=Split.TEST, gen_kwargs={"split_dir": os.path.join(data_dir, "test")}),
+        ]
+
+    def _generate_examples(self, split_dir):
+        image_dir = os.path.join(split_dir, "images")
+        label_dir = os.path.join(split_dir, "labels")
+
+        idx = 0
+        for image_name in sorted(os.listdir(image_dir)):
+            if not image_name.lower().endswith((".jpg", ".png", ".jpeg")):
+                continue
+
+            image_path = os.path.join(image_dir, image_name)
+            label_path = os.path.join(label_dir, os.path.splitext(image_name)[0] + ".txt")
+
+            if not os.path.exists(label_path):
+                continue
+
+            with open(label_path, "r") as f:
+                label = f.read().strip()
+
+            yield idx, {
+                "image": image_path,
+                "label": label,
+            }
+            idx += 1