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Merge pull request #3343 from omChauhanDev/fix/auto-resolve-function-result

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fix: keeping the Aggregator and Service states synchronized.
This commit is contained in:
Aleix Conchillo Flaqué
2026-01-09 10:04:20 -08:00
committed by GitHub
parent c973445ab7 b278957111
commit c813d43da0
1 changed files with 44 additions and 32 deletions
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76
src/pipecat/services/llm_service.py
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@@ -595,10 +595,14 @@ class LLMService(AIService):
cancel_on_interruption=item.cancel_on_interruption,
)
callback_executed = False
# Define a callback function that pushes a FunctionCallResultFrame upstream & downstream.
async def function_call_result_callback(
result: Any, *, properties: Optional[FunctionCallResultProperties] = None
):
nonlocal callback_executed
callback_executed = True
await self.broadcast_frame(
FunctionCallResultFrame,
function_name=runner_item.function_name,
@@ -609,40 +613,48 @@ class LLMService(AIService):
properties=properties,
)
if isinstance(item.handler, DirectFunctionWrapper):
# Handler is a DirectFunctionWrapper
await item.handler.invoke(
args=runner_item.arguments,
params=FunctionCallParams(
function_name=runner_item.function_name,
tool_call_id=runner_item.tool_call_id,
arguments=runner_item.arguments,
llm=self,
context=runner_item.context,
result_callback=function_call_result_callback,
),
)
else:
# Handler is a FunctionCallHandler
if item.handler_deprecated:
await item.handler(
runner_item.function_name,
runner_item.tool_call_id,
runner_item.arguments,
self,
runner_item.context,
function_call_result_callback,
try:
if isinstance(item.handler, DirectFunctionWrapper):
# Handler is a DirectFunctionWrapper
await item.handler.invoke(
args=runner_item.arguments,
params=FunctionCallParams(
function_name=runner_item.function_name,
tool_call_id=runner_item.tool_call_id,
arguments=runner_item.arguments,
llm=self,
context=runner_item.context,
result_callback=function_call_result_callback,
),
)
else:
params = FunctionCallParams(
function_name=runner_item.function_name,
tool_call_id=runner_item.tool_call_id,
arguments=runner_item.arguments,
llm=self,
context=runner_item.context,
result_callback=function_call_result_callback,
)
await item.handler(params)
# Handler is a FunctionCallHandler
if item.handler_deprecated:
await item.handler(
runner_item.function_name,
runner_item.tool_call_id,
runner_item.arguments,
self,
runner_item.context,
function_call_result_callback,
)
else:
params = FunctionCallParams(
function_name=runner_item.function_name,
tool_call_id=runner_item.tool_call_id,
arguments=runner_item.arguments,
llm=self,
context=runner_item.context,
result_callback=function_call_result_callback,
)
await item.handler(params)
except Exception as e:
error_message = f"Error executing function call [{runner_item.function_name}]: {e}"
logger.error(f"{self} {error_message}")
await self.push_error(error_msg=error_message, exception=e, fatal=False)
finally:
if not callback_executed:
await function_call_result_callback(None)
async def _cancel_function_call(self, function_name: Optional[str]):
cancelled_tasks = set()