dataset

dataset.py

@@ -0,0 +1,31 @@
+import os
+import json
+import zipfile
+from PIL import Image
+from torch.utils.data import Dataset
+
+class CustomDataset(Dataset):
+    def __init__(self, json_path, zip_path, split):
+        self.data = self.load_data(json_path, split)
+        self.zip_path = zip_path
+
+    def load_data(self, json_path, split):
+        with open(json_path, 'r', encoding='utf-8') as f:
+            data = json.load(f)
+        return data[split]
+
+    def __len__(self):
+        return len(self.data)
+
+    def __getitem__(self, idx):
+        item = self.data[idx]
+        image_path = item['image']
+        text = item['text']
+
+        with zipfile.ZipFile(self.zip_path, 'r') as zip_ref:
+            with zip_ref.open(image_path) as img_file:
+                image = Image.open(img_file)
+                return {"image": image, "text": text}
+
+def load_dataset(json_path, zip_path, split):
+    return CustomDataset(json_path, zip_path, split)