Files
pipecat/examples/storytelling-chatbot/server/bot.py

150 lines
4.8 KiB
Python

#
# Copyright (c) 2025, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
import argparse
import asyncio
import os
import sys
import aiohttp
from dotenv import load_dotenv
from loguru import logger
from processors import StoryImageProcessor, StoryProcessor
from prompts import CUE_USER_TURN, LLM_BASE_PROMPT
from utils.helpers import load_images, load_sounds
from pipecat.audio.vad.silero import SileroVADAnalyzer
from pipecat.frames.frames import EndFrame
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.elevenlabs.tts import ElevenLabsTTSService
from pipecat.services.google.image import GoogleImageGenService
from pipecat.services.google.llm import GoogleLLMService
from pipecat.transports.services.daily import (
DailyParams,
DailyTransport,
DailyTransportMessageFrame,
)
load_dotenv(override=True)
logger.remove(0)
logger.add(sys.stderr, level="DEBUG")
sounds = load_sounds(["listening.wav"])
images = load_images(["book1.png", "book2.png"])
async def main(room_url, token=None):
async with aiohttp.ClientSession() as session:
# -------------- Transport --------------- #
transport = DailyTransport(
room_url,
token,
"Storytelling Bot",
DailyParams(
audio_in_enabled=True,
audio_out_enabled=True,
video_out_enabled=True,
video_out_width=1024,
video_out_height=1024,
transcription_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
)
logger.debug("Transport created for room:" + room_url)
# -------------- Services --------------- #
llm_service = GoogleLLMService(api_key=os.getenv("GOOGLE_API_KEY"))
tts_service = ElevenLabsTTSService(
api_key=os.getenv("ELEVENLABS_API_KEY"), voice_id=os.getenv("ELEVENLABS_VOICE_ID")
)
image_gen = GoogleImageGenService(api_key=os.getenv("GOOGLE_API_KEY"))
# --------------- Setup ----------------- #
message_history = [LLM_BASE_PROMPT]
story_pages = []
# We need aggregators to keep track of user and LLM responses
context = OpenAILLMContext(message_history)
context_aggregator = llm_service.create_context_aggregator(context)
# -------------- Processors ------------- #
story_processor = StoryProcessor(message_history, story_pages)
image_processor = StoryImageProcessor(image_gen)
# -------------- Story Loop ------------- #
runner = PipelineRunner()
logger.debug("Waiting for participant...")
main_pipeline = Pipeline(
[
transport.input(),
context_aggregator.user(),
llm_service,
story_processor,
image_processor,
tts_service,
transport.output(),
context_aggregator.assistant(),
]
)
main_task = PipelineTask(
main_pipeline,
params=PipelineParams(
allow_interruptions=True,
enable_metrics=True,
enable_usage_metrics=True,
),
)
@transport.event_handler("on_first_participant_joined")
async def on_first_participant_joined(transport, participant):
logger.debug("Participant joined, storytime commence!")
await transport.capture_participant_transcription(participant["id"])
await main_task.queue_frames(
[
images["book1"],
context_aggregator.user().get_context_frame(),
DailyTransportMessageFrame(CUE_USER_TURN),
# sounds["listening"],
images["book2"],
]
)
@transport.event_handler("on_participant_left")
async def on_participant_left(transport, participant, reason):
await main_task.cancel()
@transport.event_handler("on_call_state_updated")
async def on_call_state_updated(transport, state):
if state == "left":
# Here we don't want to cancel, we just want to finish sending
# whatever is queued, so we use an EndFrame().
await main_task.queue_frame(EndFrame())
await runner.run(main_task)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Daily Storyteller Bot")
parser.add_argument("-u", type=str, help="Room URL")
parser.add_argument("-t", type=str, help="Token")
config = parser.parse_args()
asyncio.run(main(config.u, config.t))