Files
pipecat/examples/telnyx-chatbot/bot.py
2025-04-24 17:14:18 -07:00

112 lines
3.4 KiB
Python

#
# Copyright (c) 2025, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
import os
import sys
from dotenv import load_dotenv
from loguru import logger
from pipecat.audio.vad.silero import SileroVADAnalyzer
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.serializers.telnyx import TelnyxFrameSerializer
from pipecat.services.cartesia.tts import CartesiaTTSService
from pipecat.services.deepgram.stt import DeepgramSTTService
from pipecat.services.openai.llm import OpenAILLMService
from pipecat.transports.network.fastapi_websocket import (
FastAPIWebsocketParams,
FastAPIWebsocketTransport,
)
load_dotenv(override=True)
logger.remove(0)
logger.add(sys.stderr, level="DEBUG")
async def run_bot(
websocket_client,
stream_id: str,
call_control_id: str,
outbound_encoding: str,
inbound_encoding: str,
):
serializer = TelnyxFrameSerializer(
stream_id=stream_id,
outbound_encoding=outbound_encoding,
inbound_encoding=inbound_encoding,
call_control_id=call_control_id,
api_key=os.getenv("TELNYX_API_KEY"),
)
transport = FastAPIWebsocketTransport(
websocket=websocket_client,
params=FastAPIWebsocketParams(
audio_in_enabled=True,
audio_out_enabled=True,
add_wav_header=False,
vad_analyzer=SileroVADAnalyzer(),
serializer=serializer,
),
)
llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
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
)
messages = [
{
"role": "system",
"content": "You are a helpful LLM in an audio 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(), # Websocket input from client
stt, # Speech-To-Text
context_aggregator.user(),
llm, # LLM
tts, # Text-To-Speech
transport.output(), # Websocket output to client
context_aggregator.assistant(),
]
)
task = PipelineTask(
pipeline,
params=PipelineParams(
audio_in_sample_rate=8000,
audio_out_sample_rate=8000,
allow_interruptions=True,
),
)
@transport.event_handler("on_client_connected")
async def on_client_connected(transport, client):
# Kick off the conversation.
messages.append({"role": "system", "content": "Please introduce yourself to the user."})
await task.queue_frames([context_aggregator.user().get_context_frame()])
@transport.event_handler("on_client_disconnected")
async def on_client_disconnected(transport, client):
await task.cancel()
runner = PipelineRunner(handle_sigint=False)
await runner.run(task)