Merge pull request #2388 from pipecat-ai/14v-adding-openai-stt-tts-llm-functioncalling

14v adding OpenAI stt tts llm functioncalling
This commit is contained in:
Mark Backman
2025-08-07 10:22:35 -07:00
committed by GitHub
3 changed files with 180 additions and 4 deletions

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@@ -63,8 +63,8 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
stt = DeepgramSTTService(api_key=os.getenv("DEEPGRAM_API_KEY"))
tts = AzureTTSService(
api_key=os.getenv("AZURE_API_KEY"),
region="eastus",
api_key=os.getenv("AZURE_SPEECH_API_KEY"),
region=os.getenv("AZURE_SPEECH_REGION"),
voice="en-US-JennyNeural",
params=AzureTTSService.InputParams(language="en-US", rate="1.1", style="cheerful"),
)

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@@ -0,0 +1,176 @@
#
# Copyright (c) 20242025, Daily
#
# SPDX-License-Identifier: BSD 2-Clause License
#
import os
from dotenv import load_dotenv
from loguru import logger
from pipecat.adapters.schemas.function_schema import FunctionSchema
from pipecat.adapters.schemas.tools_schema import ToolsSchema
from pipecat.audio.vad.silero import SileroVADAnalyzer
from pipecat.frames.frames import TTSSpeakFrame
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.runner.types import RunnerArguments
from pipecat.runner.utils import create_transport
from pipecat.services.llm_service import FunctionCallParams
from pipecat.services.openai.llm import OpenAILLMService
from pipecat.services.openai.stt import OpenAISTTService
from pipecat.services.openai.tts import OpenAITTSService
from pipecat.transports.base_transport import BaseTransport, TransportParams
from pipecat.transports.network.fastapi_websocket import FastAPIWebsocketParams
from pipecat.transports.services.daily import DailyParams
load_dotenv(override=True)
async def fetch_weather_from_api(params: FunctionCallParams):
await params.result_callback({"conditions": "nice", "temperature": "75"})
async def fetch_restaurant_recommendation(params: FunctionCallParams):
await params.result_callback({"name": "The Golden Dragon"})
# We store functions so objects (e.g. SileroVADAnalyzer) don't get
# instantiated. The function will be called when the desired transport gets
# selected.
transport_params = {
"daily": lambda: DailyParams(
audio_in_enabled=True,
audio_out_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
"twilio": lambda: FastAPIWebsocketParams(
audio_in_enabled=True,
audio_out_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
"webrtc": lambda: TransportParams(
audio_in_enabled=True,
audio_out_enabled=True,
vad_analyzer=SileroVADAnalyzer(),
),
}
async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
logger.info(f"Starting bot")
stt = OpenAISTTService(
api_key=os.getenv("OPENAI_API_KEY"),
model="gpt-4o-transcribe",
prompt="Expect words related weather, such as temperature and conditions. And restaurant names.",
)
# voice choices: ash, ballad, or any other voice available in the OpenAI TTS API
# see https://www.openai.fm/
tts = OpenAITTSService(
api_key=os.getenv("OPENAI_API_KEY"),
voice="ballad",
instructions="Please speak clearly and at a moderate pace.",
)
# model choices: gpt-4o, gpt-4.1, etc.
llm = OpenAILLMService(api_key=os.getenv("OPENAI_API_KEY"))
# You can also register a function_name of None to get all functions
# sent to the same callback with an additional function_name parameter.
llm.register_function("get_current_weather", fetch_weather_from_api)
llm.register_function("get_restaurant_recommendation", fetch_restaurant_recommendation)
@llm.event_handler("on_function_calls_started")
async def on_function_calls_started(service, function_calls):
await tts.queue_frame(TTSSpeakFrame("Let me check on that."))
weather_function = FunctionSchema(
name="get_current_weather",
description="Get the current weather",
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 user's location.",
},
},
required=["location", "format"],
)
restaurant_function = FunctionSchema(
name="get_restaurant_recommendation",
description="Get a restaurant recommendation",
properties={
"location": {
"type": "string",
"description": "The city and state, e.g. San Francisco, CA",
},
},
required=["location"],
)
tools = ToolsSchema(standard_tools=[weather_function, restaurant_function])
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, tools)
context_aggregator = llm.create_context_aggregator(context)
pipeline = Pipeline(
[
transport.input(),
stt,
context_aggregator.user(),
llm,
tts,
transport.output(),
context_aggregator.assistant(),
]
)
task = PipelineTask(
pipeline,
params=PipelineParams(
enable_metrics=True,
enable_usage_metrics=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")
await task.cancel()
runner = PipelineRunner(handle_sigint=runner_args.handle_sigint)
await runner.run(task)
async def bot(runner_args: RunnerArguments):
"""Main bot entry point compatible with Pipecat Cloud."""
transport = await create_transport(runner_args, transport_params)
await run_bot(transport, runner_args)
if __name__ == "__main__":
from pipecat.runner.run import main
main()

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@@ -88,16 +88,16 @@ TESTS_14 = [
("14h-function-calling-azure.py", PROMPT_WEATHER, EVAL_WEATHER),
("14i-function-calling-fireworks.py", PROMPT_WEATHER, EVAL_WEATHER),
("14j-function-calling-nim.py", PROMPT_WEATHER, EVAL_WEATHER),
("14m-function-calling-openrouter.py", PROMPT_WEATHER, EVAL_WEATHER),
("14n-function-calling-perplexity.py", PROMPT_WEATHER, EVAL_WEATHER),
("14p-function-calling-gemini-vertex-ai.py", PROMPT_WEATHER, EVAL_WEATHER),
("14q-function-calling-qwen.py", PROMPT_WEATHER, EVAL_WEATHER),
("14r-function-calling-aws.py", PROMPT_WEATHER, EVAL_WEATHER),
("14v-function-calling-openai.py.py", PROMPT_WEATHER, EVAL_WEATHER),
# Currently not working.
# ("14c-function-calling-together.py", PROMPT_WEATHER, EVAL_WEATHER),
# ("14j-function-calling-nim.py", PROMPT_WEATHER, EVAL_WEATHER),
# ("14k-function-calling-cerebras.py", PROMPT_WEATHER, EVAL_WEATHER),
# ("14l-function-calling-deepseek.py", PROMPT_WEATHER, EVAL_WEATHER),
# ("14m-function-calling-openrouter.py", PROMPT_WEATHER, EVAL_WEATHER),
# ("14o-function-calling-gemini-openai-format.py", PROMPT_WEATHER, EVAL_WEATHER),
]