Support non-app.py Spaces

app.py

@@ -28,10 +28,9 @@ def generate(spaces):
     ]
     print(space_ids)
     for space_id in space_ids:
-        # TODO(support non-app.py Spaces)
-        app_py = requests.get(
-            url=f"https://huggingface.co/spaces/{space_id}/resolve/main/app.py"
-        ).text
+        app_file = huggingface_hub.SpaceCard.load(space_id).data.get("app_file", "app.py")
+        with open(huggingface_hub.hf_hub_download(space_id, repo_type="space", filename=app_file)) as app_file_path:
+            app_py = app_file_path.read()
 
         input = PROMPT + f"```py{app_py}```"