diff --git a/examples/foundational/14aa-function-calling-aws-universal-context.py b/examples/foundational/14aa-function-calling-aws-universal-context.py new file mode 100644 index 000000000..0095bde80 --- /dev/null +++ b/examples/foundational/14aa-function-calling-aws-universal-context.py @@ -0,0 +1,211 @@ +# +# Copyright (c) 2024–2025, Daily +# +# SPDX-License-Identifier: BSD 2-Clause License +# + + +import asyncio +import os + +from dotenv import load_dotenv +from loguru import logger + +from pipecat.adapters.schemas.function_schema import FunctionSchema +from pipecat.adapters.schemas.tools_schema import ToolsSchema +from pipecat.audio.vad.silero import SileroVADAnalyzer +from pipecat.frames.frames import LLMRunFrame +from pipecat.pipeline.pipeline import Pipeline +from pipecat.pipeline.runner import PipelineRunner +from pipecat.pipeline.task import PipelineParams, PipelineTask +from pipecat.processors.aggregators.llm_context import LLMContext +from pipecat.processors.aggregators.llm_response_universal import LLMContextAggregatorPair +from pipecat.runner.types import RunnerArguments +from pipecat.runner.utils import ( + create_transport, + get_transport_client_id, + maybe_capture_participant_camera, +) +from pipecat.services.aws.llm import AWSBedrockLLMService +from pipecat.services.cartesia.tts import CartesiaTTSService +from pipecat.services.deepgram.stt import DeepgramSTTService +from pipecat.services.llm_service import FunctionCallParams +from pipecat.transports.base_transport import BaseTransport, TransportParams +from pipecat.transports.services.daily import DailyParams + +load_dotenv(override=True) + + +# Global variable to store the client ID +client_id = "" + + +async def get_weather(params: FunctionCallParams): + location = params.arguments["location"] + await params.result_callback(f"The weather in {location} is currently 72 degrees and sunny.") + + +async def get_image(params: FunctionCallParams): + question = params.arguments["question"] + logger.debug(f"Requesting image with user_id={client_id}, question={question}") + + # Request the image frame + await params.llm.request_image_frame( + user_id=client_id, + function_name=params.function_name, + tool_call_id=params.tool_call_id, + text_content=question, + ) + + # Wait a short time for the frame to be processed + await asyncio.sleep(0.5) + + # Return a result to complete the function call + await params.result_callback( + f"I've captured an image from your camera and I'm analyzing what you asked about: {question}" + ) + + +# We store functions so objects (e.g. SileroVADAnalyzer) don't get +# instantiated. The function will be called when the desired transport gets +# selected. +transport_params = { + "daily": lambda: DailyParams( + audio_in_enabled=True, + audio_out_enabled=True, + video_in_enabled=True, + vad_analyzer=SileroVADAnalyzer(), + ), + "webrtc": lambda: TransportParams( + audio_in_enabled=True, + audio_out_enabled=True, + video_in_enabled=True, + vad_analyzer=SileroVADAnalyzer(), + ), +} + + +async def run_bot(transport: BaseTransport, runner_args: RunnerArguments): + logger.info(f"Starting bot") + + stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY")) + + tts = CartesiaTTSService( + api_key=os.getenv("CARTESIA_API_KEY"), + voice_id="71a7ad14-091c-4e8e-a314-022ece01c121", # British Reading Lady + ) + + llm = AWSBedrockLLMService( + aws_region="us-west-2", + model="us.anthropic.claude-3-7-sonnet-20250219-v1:0", + params=AWSBedrockLLMService.InputParams(temperature=0.8, latency="optimized"), + ) + llm.register_function("get_weather", get_weather) + llm.register_function("get_image", get_image) + + weather_function = FunctionSchema( + name="get_weather", + description="Get the current weather", + properties={ + "location": { + "type": "string", + "description": "The city and state, e.g. San Francisco, CA", + }, + }, + required=["location"], + ) + get_image_function = FunctionSchema( + name="get_image", + description="Get an image from the video stream.", + properties={ + "question": { + "type": "string", + "description": "The question that the user is asking about the image.", + } + }, + required=["question"], + ) + tools = ToolsSchema(standard_tools=[weather_function, get_image_function]) + + system_prompt = """\ +You are a helpful assistant who converses with a user and answers questions. Respond concisely to general questions. + +Your response will be turned into speech so use only simple words and punctuation. + +You have access to two tools: get_weather and get_image. + +You can respond to questions about the weather using the get_weather tool. + +You can answer questions about the user's video stream using the get_image tool. Some examples of phrases that \ +indicate you should use the get_image tool are: +- What do you see? +- What's in the video? +- Can you describe the video? +- Tell me about what you see. +- Tell me something interesting about what you see. +- What's happening in the video? + +If you need to use a tool, simply use the tool. Do not tell the user the tool you are using. Be brief and concise. + """ + + messages = [ + {"role": "system", "content": system_prompt}, + {"role": "user", "content": "Start the conversation by introducing yourself."}, + ] + + context = LLMContext(messages, tools) + context_aggregator = LLMContextAggregatorPair(context) + + pipeline = Pipeline( + [ + transport.input(), # Transport user input + stt, # STT + context_aggregator.user(), # User speech to text + llm, # LLM + tts, # TTS + transport.output(), # Transport bot output + context_aggregator.assistant(), # Assistant spoken responses and tool context + ] + ) + + task = PipelineTask( + pipeline, + params=PipelineParams( + enable_metrics=True, + enable_usage_metrics=True, + ), + idle_timeout_secs=runner_args.pipeline_idle_timeout_secs, + ) + + @transport.event_handler("on_client_connected") + async def on_client_connected(transport, client): + logger.info(f"Client connected: {client}") + + await maybe_capture_participant_camera(transport, client) + + global client_id + client_id = get_transport_client_id(transport, client) + + # Kick off the conversation. + await task.queue_frames([LLMRunFrame()]) + + @transport.event_handler("on_client_disconnected") + async def on_client_disconnected(transport, client): + logger.info(f"Client disconnected") + await task.cancel() + + runner = PipelineRunner(handle_sigint=runner_args.handle_sigint) + + await runner.run(task) + + +async def bot(runner_args: RunnerArguments): + """Main bot entry point compatible with Pipecat Cloud.""" + transport = await create_transport(runner_args, transport_params) + await run_bot(transport, runner_args) + + +if __name__ == "__main__": + from pipecat.runner.run import main + + main()