# # Copyright (c) 2024–2025, Daily # # SPDX-License-Identifier: BSD 2-Clause License # import argparse import glob import json import os from datetime import datetime from dotenv import load_dotenv from loguru import logger from pipecat.audio.vad.silero import SileroVADAnalyzer from pipecat.audio.vad.vad_analyzer import VADParams from pipecat.pipeline.pipeline import Pipeline from pipecat.pipeline.runner import PipelineRunner from pipecat.pipeline.task import PipelineParams, PipelineTask from pipecat.processors.aggregators.openai_llm_context import ( OpenAILLMContext, ) from pipecat.services.cartesia.tts import CartesiaTTSService from pipecat.services.deepgram.stt import DeepgramSTTService from pipecat.services.google.llm import GoogleLLMService from pipecat.services.llm_service import FunctionCallParams from pipecat.transports.base_transport import TransportParams from pipecat.transports.network.small_webrtc import SmallWebRTCTransport from pipecat.transports.network.webrtc_connection import SmallWebRTCConnection load_dotenv(override=True) video_participant_id = None BASE_FILENAME = "/tmp/pipecat_conversation_" tts = None webrtc_peer_id = "" async def fetch_weather_from_api(params: FunctionCallParams): temperature = 75 if params.arguments["format"] == "fahrenheit" else 24 await params.result_callback( { "conditions": "nice", "temperature": temperature, "format": params.arguments["format"], "timestamp": datetime.now().strftime("%Y%m%d_%H%M%S"), } ) async def get_image(params: FunctionCallParams): question = params.arguments["question"] logger.debug(f"Requesting image with user_id={webrtc_peer_id}, question={question}") # Request the image frame await params.llm.request_image_frame( user_id=webrtc_peer_id, function_name=params.function_name, tool_call_id=params.tool_call_id, text_content=question, ) async def get_saved_conversation_filenames(params: FunctionCallParams): # Construct the full pattern including the BASE_FILENAME full_pattern = f"{BASE_FILENAME}*.json" # Use glob to find all matching files matching_files = glob.glob(full_pattern) logger.debug(f"matching files: {matching_files}") await params.result_callback({"filenames": matching_files}) async def save_conversation(params: FunctionCallParams): timestamp = datetime.now().strftime("%Y-%m-%d_%H:%M:%S") filename = f"{BASE_FILENAME}{timestamp}.json" logger.debug( f"writing conversation to {filename}\n{json.dumps(params.context.get_messages_for_logging(), indent=4)}" ) try: with open(filename, "w") as file: # todo: extract 'system' into the first message in the list messages = params.context.get_messages_for_persistent_storage() # remove the last message (the instruction to save the context) messages.pop() json.dump(messages, file, indent=2) await params.result_callback({"success": True}) except Exception as e: logger.debug(f"error saving conversation: {e}") await params.result_callback({"success": False, "error": str(e)}) async def load_conversation(params: FunctionCallParams): global tts filename = params.arguments["filename"] logger.debug(f"loading conversation from {filename}") try: with open(filename, "r") as file: params.context.set_messages(json.load(file)) await params.result_callback( { "success": True, "message": "The most recent conversation has been loaded. Awaiting further instructions.", } ) except Exception as e: await params.result_callback({"success": False, "error": str(e)}) # Test message munging ... messages = [ { "role": "system", "content": """You are a helpful LLM in a WebRTC call. Your goal is to demonstrate your capabilities in a succinct way. Your output will be converted to audio so don't include special characters in your answers. Respond to what the user said in a creative and helpful way. You have several tools you can use to help you. You can respond to questions about the weather using the get_weather tool. You can save the current conversation using the save_conversation tool. This tool allows you to save the current conversation to external storage. If the user asks you to save the conversation, use this save_conversation too. You can load a saved conversation using the load_conversation tool. This tool allows you to load a conversation from external storage. You can get a list of conversations that have been saved using the get_saved_conversation_filenames 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? """, }, # {"role": "user", "content": ""}, # {"role": "assistant", "content": []}, # {"role": "user", "content": "Tell me"}, # {"role": "user", "content": "a joke"}, ] tools = [ { "function_declarations": [ { "name": "get_current_weather", "description": "Get the current weather", "parameters": { "type": "object", "properties": { "location": { "type": "string", "description": "The city and state, e.g. San Francisco, CA", }, "format": { "type": "string", "enum": ["celsius", "fahrenheit"], "description": "The temperature unit to use. Infer this from the users location.", }, }, "required": ["location", "format"], }, }, { "name": "save_conversation", "description": "Save the current conversation. Use this function to persist the current conversation to external storage.", "parameters": { "type": "object", "properties": { "user_request_text": { "type": "string", "description": "The text of the user's request to save the conversation.", } }, "required": ["user_request_text"], }, }, { "name": "get_saved_conversation_filenames", "description": "Get a list of saved conversation histories. Returns a list of filenames. Each filename includes a date and timestamp. Each file is conversation history that can be loaded into this session.", "parameters": None, }, { "name": "load_conversation", "description": "Load a conversation history. Use this function to load a conversation history into the current session.", "parameters": { "type": "object", "properties": { "filename": { "type": "string", "description": "The filename of the conversation history to load.", } }, "required": ["filename"], }, }, { "name": "get_image", "description": "Get and image from the camera or video stream.", "parameters": { "type": "object", "properties": { "question": { "type": "string", "description": "The question to to use when running inference on the acquired image.", }, }, "required": ["question"], }, }, ] }, ] async def run_bot(webrtc_connection: SmallWebRTCConnection, _: argparse.Namespace): global tts, webrtc_peer_id webrtc_peer_id = webrtc_connection.pc_id logger.info(f"Starting bot with peer_id: {webrtc_peer_id}") transport = SmallWebRTCTransport( webrtc_connection=webrtc_connection, params=TransportParams( audio_in_enabled=True, audio_out_enabled=True, video_in_enabled=True, vad_analyzer=SileroVADAnalyzer(params=VADParams(stop_secs=0.8)), ), ) 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 = GoogleLLMService(model="gemini-2.0-flash-001", api_key=os.getenv("GOOGLE_API_KEY")) # you can either register a single function for all function calls, or specific functions # llm.register_function(None, fetch_weather_from_api) llm.register_function("get_current_weather", fetch_weather_from_api) llm.register_function("save_conversation", save_conversation) llm.register_function("get_saved_conversation_filenames", get_saved_conversation_filenames) llm.register_function("load_conversation", load_conversation) llm.register_function("get_image", get_image) context = OpenAILLMContext(messages, tools) context_aggregator = llm.create_context_aggregator(context) pipeline = Pipeline( [ transport.input(), # Transport user input stt, # STT context_aggregator.user(), llm, # LLM tts, transport.output(), # Transport bot output context_aggregator.assistant(), ] ) task = PipelineTask( pipeline, params=PipelineParams( allow_interruptions=True, enable_metrics=True, enable_usage_metrics=True, # report_only_initial_ttfb=True, ), ) @transport.event_handler("on_client_connected") async def on_client_connected(transport, client): logger.info(f"Client connected") # Kick off the conversation. await task.queue_frames([context_aggregator.user().get_context_frame()]) @transport.event_handler("on_client_disconnected") async def on_client_disconnected(transport, client): logger.info(f"Client disconnected") @transport.event_handler("on_client_closed") async def on_client_closed(transport, client): logger.info(f"Client closed connection") await task.cancel() runner = PipelineRunner(handle_sigint=False) await runner.run(task) if __name__ == "__main__": from run import main main()