Add a conversation flow processor
This commit is contained in:
Mark Backman
186
examples/foundational/25-conversation-flow.py
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186
examples/foundational/25-conversation-flow.py
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#
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# Copyright (c) 2024, Daily
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#
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# SPDX-License-Identifier: BSD 2-Clause License
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#
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import asyncio
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import os
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import sys
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import aiohttp
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from dotenv import load_dotenv
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from loguru import logger
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from runner import configure
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from pipecat.audio.vad.silero import SileroVADAnalyzer
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from pipecat.pipeline.pipeline import Pipeline
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from pipecat.pipeline.runner import PipelineRunner
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from pipecat.pipeline.task import PipelineParams, PipelineTask
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from pipecat.processors.aggregators.openai_llm_context import OpenAILLMContext
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from pipecat.processors.conversation_flow import ConversationFlowProcessor
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from pipecat.services.deepgram import DeepgramSTTService, DeepgramTTSService
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from pipecat.services.openai import OpenAILLMService
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from pipecat.transports.services.daily import DailyParams, DailyTransport
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load_dotenv(override=True)
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logger.remove(0)
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logger.add(sys.stderr, level="DEBUG")
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# Define our conversation flow
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flow_config = {
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"initial_node": "start",
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"nodes": {
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"start": {
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"message": {
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"role": "assistant",
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"content": "You are starting a conversation. Ask the user if they'd like to hear a joke or get weather information.",
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},
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"functions": [
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{
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"name": "tell_joke",
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"description": "User wants to hear a joke",
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"parameters": {"type": "object", "properties": {}},
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},
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{
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"name": "get_weather",
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"description": "User wants weather information",
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"parameters": {
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"type": "object",
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"properties": {
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"location": {
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"type": "string",
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"description": "The location to get weather for",
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}
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},
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"required": ["location"],
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},
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},
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],
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},
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"tell_joke": {
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"message": {
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"role": "assistant",
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"content": "Tell a funny, clean joke and then ask if they'd like to hear another joke or get weather information.",
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},
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"functions": [
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{
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"name": "tell_joke",
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"description": "User wants another joke",
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"parameters": {"type": "object", "properties": {}},
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},
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{
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"name": "get_weather",
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"description": "User wants weather information",
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"parameters": {
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"type": "object",
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"properties": {
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"location": {
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"type": "string",
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"description": "The location to get weather for",
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}
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},
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"required": ["location"],
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},
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},
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],
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"actions": [{"type": "tts.say", "text": "Let me think of a good one..."}],
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},
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"get_weather": {
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"message": {
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"role": "assistant",
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"content": "Provide the weather information and ask if they'd like to hear a joke or check another location's weather.",
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},
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"functions": [
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{
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"name": "tell_joke",
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"description": "User wants to hear a joke",
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"parameters": {"type": "object", "properties": {}},
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},
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{
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"name": "get_weather",
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"description": "User wants weather for another location",
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"parameters": {
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"type": "object",
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"properties": {
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"location": {
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"type": "string",
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"description": "The location to get weather for",
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}
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},
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"required": ["location"],
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},
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},
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],
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"actions": [
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{"type": "tts.say", "text": "Let me check that weather information for you..."}
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],
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},
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},
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}
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async def main():
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async with aiohttp.ClientSession() as session:
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(room_url, _) = await configure(session)
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transport = DailyTransport(
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room_url,
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None,
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"Respond bot",
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DailyParams(
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audio_out_enabled=True,
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vad_enabled=True,
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vad_analyzer=SileroVADAnalyzer(),
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vad_audio_passthrough=True,
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),
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)
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stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
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tts = DeepgramTTSService(api_key=os.getenv("DEEPGRAM_API_KEY"), voice="aura-helios-en")
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llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"), model="gpt-4")
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# Initialize conversation flow processor
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flow_processor = ConversationFlowProcessor(flow_config)
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# Create initial context
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messages = [
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{
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"role": "system",
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"content": "You are a helpful assistant in a WebRTC call. Your responses will be converted to audio so avoid special characters. Always use the available functions to progress the conversation.",
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}
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]
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context = OpenAILLMContext(messages)
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context_aggregator = llm.create_context_aggregator(context)
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pipeline = Pipeline(
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[
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transport.input(), # Transport user input
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stt, # STT
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context_aggregator.user(), # User responses
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flow_processor, # Conversation flow management
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llm, # LLM
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tts, # TTS
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transport.output(), # Transport bot output
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context_aggregator.assistant(), # Assistant spoken responses
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]
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)
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task = PipelineTask(pipeline, PipelineParams(allow_interruptions=True))
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@transport.event_handler("on_first_participant_joined")
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async def on_first_participant_joined(transport, participant):
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await transport.capture_participant_transcription(participant["id"])
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# Initialize the flow processor
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await flow_processor.initialize(messages)
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# Kick off the conversation
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await task.queue_frames([context_aggregator.user().get_context_frame()])
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runner = PipelineRunner()
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await runner.run(task)
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if __name__ == "__main__":
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asyncio.run(main())
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