Update dataset_setup.py

dataset_setup.py

@@ -12,22 +12,25 @@ def extract_video_tasks():
         bundles = [os.path.join(root, x) for x in bundles]
         if len(bundles) > 1:
             cat = subprocess.Popen(['cat'] + bundles, stdout=subprocess.PIPE)
-            cat.wait()
-            cat.stdout.close()
             cmd = ['tar', '-xzf', '-', '-C', output_dir]
             tar = subprocess.Popen(cmd, stdin=cat.stdout)
-            tar.wait()
+            cat_return_code = cat.wait()
+            tar_return_code = tar.wait()
+            if cat_return_code != 0:
+                raise RuntimeError('Error occured during concatenation!')
+            if tar_return_code != 0:
+                raise RuntimeError('Error occured during extraction!')
         else:
             assert len(bundles) == 1, f'Unexpected size'
             tar = subprocess.run(['tar', '-xzfv', bundles[0], '-C', output_dir])
-    print('Extracting video tasks completed!')
+    print('All video tasks completed!')
 
 def extract_image_tasks():
     root = 'image_tasks'
     for task in ['mmeb_v1', 'visdoc']:
         print(f'Extracting {task} task ... ...')
         subprocess.run(['tar', '-xzf', os.path.join(root, f'{task}.tar.gz'), '-C', root])
-    print('Extracting image tasks completed!')
+    print('All image tasks completed!')
 
 def main():
     extract_image_tasks()