Fix streaming Audio/Video Output (#9656)

* Fix

* add changeset

* lint

* add changeset

* type ignore

---------

Co-authored-by: gradio-pr-bot <gradio-pr-bot@users.noreply.github.com>
Co-authored-by: Abubakar Abid <abubakar@huggingface.co>

.changeset/silly-hairs-burn.md

@@ -0,0 +1,5 @@
+---
+"gradio": patch
+---
+
+feat:Fix streaming Audio/Video Output

gradio/blocks.py

@@ -391,9 +391,7 @@ class Block:
                 return client_utils.synchronize_async(
                     processing_utils.async_move_files_to_cache, data, self
                 )
-            except (
-                AttributeError
-            ):  # Can be raised if this function is called before the Block is fully initialized.
+            except AttributeError:  # Can be raised if this function is called before the Block is fully initialized.
                 return data
 
 

gradio/chat_interface.py

@@ -466,7 +466,7 @@ class ChatInterface(Blocks):
                 None,
                 None,
                 None,
-                cancels=events_to_cancel,
+                cancels=events_to_cancel,  # type: ignore
                 show_api=False,
             )
 

gradio/components/audio.py

@@ -339,6 +339,7 @@ class Audio(
             "path": output_id,
             "is_stream": True,
             "orig_name": "audio-stream.mp3",
+            "meta": {"_type": "gradio.FileData"},
         }
         if value is None:
             return None, output_file

gradio/components/video.py

@@ -559,6 +559,7 @@ class Video(StreamingOutput, Component):
                 # Need to set orig_name so that downloaded file has correct
                 # extension
                 "orig_name": "video-stream.mp4",
+                "meta": {"_type": "gradio.FileData"},
             }
         }
         if value is None:

gradio/routes.py

@@ -461,9 +461,7 @@ class App(FastAPI):
                 not callable(app.auth)
                 and username in app.auth
                 and compare_passwords_securely(password, app.auth[username])  # type: ignore
-            ) or (
-                callable(app.auth) and app.auth.__call__(username, password)
-            ):  # type: ignore
+            ) or (callable(app.auth) and app.auth.__call__(username, password)):  # type: ignore
                 token = secrets.token_urlsafe(16)
                 app.tokens[token] = username
                 response = JSONResponse(content={"success": True})