Expose has_function_calls_in_progress property

CHANGELOG.md

@@ -7,12 +7,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Added a property called `has_function_calls_in_progress` in
+  `LLMAssistantContextAggregator` that exposes whether a function call is in
+  progress.
+
 ### Fixed
 
 - Fixed an issue with `GroqTTSService` where it was not properly parsing the
   WAV file header.
 
-- Fixed an issue with `GoogleSTTService` where it was constantly reconnecting 
+- Fixed an issue with `GoogleSTTService` where it was constantly reconnecting
+
+- Fixed an issue with `GoogleSTTService` where it was constantly reconnecting
   before starting to receive audio from the user.
 
 - Fixed an issue where `GoogleLLMService`'s TTFB value was incorrect.

src/pipecat/processors/aggregators/llm_response.py

@@ -504,6 +504,15 @@ class LLMAssistantContextAggregator(LLMContextResponseAggregator):
         self._function_calls_in_progress: Dict[str, Optional[FunctionCallInProgressFrame]] = {}
         self._context_updated_tasks: Set[asyncio.Task] = set()
 
+    @property
+    def has_function_calls_in_progress(self) -> bool:
+        """Check if there are any function calls currently in progress.
+
+        Returns:
+            bool: True if function calls are in progress, False otherwise
+        """
+        return bool(self._function_calls_in_progress)
+
     async def handle_aggregation(self, aggregation: str):
         self._context.add_message({"role": "assistant", "content": aggregation})