Support streaming

CC6204-Hackaton-Cub-Dataset.py

@@ -1,4 +1,5 @@
 """CC6204-Hackaton-Cub-Dataset: Multimodal"""
+import glob
 import os
 import re
 import datasets
@@ -102,14 +103,14 @@ class CubDataset(datasets.GeneratorBasedBuilder):
       test_idx = []
       
       # Download images
-      img_data_files = dl_manager.download_and_extract(_URLS["image_urls"])
-      text_data_files = dl_manager.download_and_extract(_URLS["text_urls"])
+      img_data_files = os.path.join(dl_manager.download_and_extract(_URLS["image_urls"]), "images")  # skip _MACOSX dir
+      text_data_files = os.path.join(dl_manager.download_and_extract(_URLS["text_urls"]), "text")  # skip _MACOSX dir
       #logger.info(f"text_data_files: {text_data_files}")
       #logger.info(f"text_data_files: {text_data_files[10]}")
 
        
-      img_path_files = dl_manager.iter_files(img_data_files)
-      text_path_files = dl_manager.iter_files(text_data_files)
+      img_path_files = sorted(glob.glob(os.path.join(img_data_files, "*", "*.jpg")))
+      text_path_files = sorted(glob.glob(os.path.join(text_data_files, "*", "*.txt")))
        
       for img, text in zip(img_path_files, text_path_files):
          img_idx = _IMGNAME2ID[os.path.basename(img)]