Merge pull request #319 from pipecat-ai/aleix/daily-completion-callba…

…cks-0.0.39-fix

transports(daily): fix completion callbacks handling

CHANGELOG.md

@@ -5,6 +5,13 @@ All notable changes to **pipecat** will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.0.39] - 2024-07-23
+
+### Fixed
+
+- Fixed a regression introduced in 0.0.38 that would cause Daily transcription
+  to stop the Pipeline.
+
 ## [0.0.38] - 2024-07-23
 
 ### Added

src/pipecat/transports/services/daily.py

@@ -126,7 +126,10 @@ class DailyCallbacks(BaseModel):
 def completion_callback(future):
     def _callback(*args):
         if not future.cancelled():
-            future.get_loop().call_soon_threadsafe(future.set_result, *args)
+            if len(args) > 1:
+                future.get_loop().call_soon_threadsafe(future.set_result, args)
+            else:
+                future.get_loop().call_soon_threadsafe(future.set_result, *args)
     return _callback
 
 
@@ -282,11 +285,12 @@ async def join(self):
             await self._callbacks.on_error(error_msg)
 
     async def _start_transcription(self):
-        future = self._loop.create_future()
         logger.info(f"Enabling transcription with settings {self._params.transcription_settings}")
+
+        future = self._loop.create_future()
         self._client.start_transcription(
             settings=self._params.transcription_settings.model_dump(exclude_none=True),
-            completion=lambda error: future.set_result(error)
+            completion=completion_callback(future)
         )
         error = await future
         if error:
@@ -295,14 +299,10 @@ async def _start_transcription(self):
     async def _join(self):
         future = self._loop.create_future()
 
-        def handle_join_response(data, error):
-            if not future.cancelled():
-                future.get_loop().call_soon_threadsafe(future.set_result, (data, error))
-
         self._client.join(
             self._room_url,
             self._token,
-            completion=handle_join_response,
+            completion=completion_callback(future),
             client_settings={
                 "inputs": {
                     "camera": {
@@ -370,20 +370,14 @@ async def leave(self):
 
     async def _stop_transcription(self):
         future = self._loop.create_future()
-        self._client.stop_transcription(completion=lambda error: future.set_result(error))
+        self._client.stop_transcription(completion=completion_callback(future))
         error = await future
         if error:
             logger.error(f"Unable to stop transcription: {error}")
 
     async def _leave(self):
         future = self._loop.create_future()
-
-        def handle_leave_response(error):
-            if not future.cancelled():
-                future.get_loop().call_soon_threadsafe(future.set_result, error)
-
-        self._client.leave(completion=handle_leave_response)
-
+        self._client.leave(completion=completion_callback(future))
         return await asyncio.wait_for(future, timeout=10)
 
     async def cleanup(self):