add dataset loader

dataset.py

@@ -4,6 +4,8 @@ from datasets import (
     GeneratorBasedBuilder, DatasetInfo, SplitGenerator, Split,
     Features, Value, Sequence, Image
 )
+from pathlib import Path   # ← 新增
+
 
 class TLPD(GeneratorBasedBuilder):
     VERSION = "0.0.2"          # ← 只要改了版本，Hub 就會重建
@@ -19,14 +21,16 @@ class TLPD(GeneratorBasedBuilder):
         )
 
     def _split_generators(self, dl_manager):
-        data_dir = dl_manager.manual_dir   # = repo 根目錄
-        return [SplitGenerator(
-            name=Split.TRAIN,
-            gen_kwargs={
-                "images_dir": os.path.join(data_dir, "images"),
-                "labels_dir": os.path.join(data_dir, "labels"),
-            },
-        )]
+        data_dir = Path(__file__).resolve().parent   # ★ 關鍵：改這行
+        return [
+            SplitGenerator(
+                name=Split.TRAIN,
+                gen_kwargs={
+                    "images_dir": data_dir / "images",
+                    "labels_dir": data_dir / "labels",
+                },
+            )
+        ]
 
     def _generate_examples(self, images_dir, labels_dir):
         for file in sorted(os.listdir(labels_dir)):