Files
pipecat/examples/deployment/pipecat-cloud-example/bot.py

166 lines
4.9 KiB
Python

#
# Copyright (c) 2025, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
import asyncio
import os
import aiohttp
from dotenv import load_dotenv
from loguru import logger
from pipecatcloud.agent import DailySessionArguments
from pipecat.audio.vad.silero import SileroVADAnalyzer
from pipecat.frames.frames import LLMMessagesFrame
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.openai.llm import OpenAILLMService
from pipecat.transports.services.daily import DailyParams, DailyTransport
# Load environment variables
load_dotenv(override=True)
# Check if we're in local development mode
LOCAL_RUN = os.getenv("LOCAL_RUN")
async def main(transport: DailyTransport):
"""Main pipeline setup and execution function.
Args:
transport: The DailyTransport object for the bot
"""
logger.debug("Starting bot")
tts = CartesiaTTSService(
api_key=os.getenv("CARTESIA_API_KEY"), voice_id="71a7ad14-091c-4e8e-a314-022ece01c121"
)
llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
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.",
},
]
context = OpenAILLMContext(messages)
context_aggregator = llm.create_context_aggregator(context)
pipeline = Pipeline(
[
transport.input(),
context_aggregator.user(),
llm,
tts,
transport.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_first_participant_joined")
async def on_first_participant_joined(transport, participant):
logger.info("First participant joined: {}", participant["id"])
await transport.capture_participant_transcription(participant["id"])
# Kick off the conversation.
messages.append(
{
"role": "system",
"content": "Please start with 'Hello World' and introduce yourself to the user.",
}
)
await task.queue_frames([LLMMessagesFrame(messages)])
@transport.event_handler("on_participant_left")
async def on_participant_left(transport, participant, reason):
logger.info("Participant left: {}", participant)
await task.cancel()
runner = PipelineRunner()
await runner.run(task)
async def bot(args: DailySessionArguments):
"""Main bot entry point compatible with the FastAPI route handler.
Args:
room_url: The Daily room URL
token: The Daily room token
body: The configuration object from the request body
session_id: The session ID for logging
"""
from pipecat.audio.filters.krisp_filter import KrispFilter
logger.info(f"Bot process initialized {args.room_url} {args.token}")
transport = DailyTransport(
args.room_url,
args.token,
"Pipecat Bot",
DailyParams(
audio_in_enabled=True,
audio_in_filter=None if LOCAL_RUN else KrispFilter(),
audio_out_enabled=True,
transcription_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
)
try:
await main(transport)
logger.info("Bot process completed")
except Exception as e:
logger.exception(f"Error in bot process: {str(e)}")
raise
# Local development functions
async def local_daily():
"""Function for local development testing."""
from local_runner import configure
try:
async with aiohttp.ClientSession() as session:
(room_url, token) = await configure(session)
transport = DailyTransport(
room_url,
token,
"Pipecat Bot",
DailyParams(
audio_in_enabled=True,
audio_out_enabled=True,
transcription_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
)
await main(transport)
except Exception as e:
logger.exception(f"Error in local development mode: {e}")
# Local development entry point
if LOCAL_RUN and __name__ == "__main__":
try:
asyncio.run(local_daily())
except Exception as e:
logger.exception(f"Failed to run in local mode: {e}")