Files
pipecat/src/dailyai/services/azure_ai_services.py
2024-04-10 09:44:42 -07:00

151 lines
5.4 KiB
Python

import aiohttp
import asyncio
import io
from openai import AsyncAzureOpenAI
from collections.abc import AsyncGenerator
from dailyai.services.ai_services import TTSService, ImageGenService
from PIL import Image
# See .env.example for Azure configuration needed
try:
from azure.cognitiveservices.speech import (
SpeechSynthesizer,
SpeechConfig,
ResultReason,
CancellationReason,
)
except ModuleNotFoundError as e:
print(f"Exception: {e}")
print(
"In order to use Azure TTS, you need to `pip install dailyai[azure]`. Also, set `AZURE_SPEECH_API_KEY` and `AZURE_SPEECH_REGION` environment variables.")
raise Exception(f"Missing module: {e}")
from dailyai.services.openai_api_llm_service import BaseOpenAILLMService
class AzureTTSService(TTSService):
def __init__(self, *, api_key, region, voice="en-US-SaraNeural"):
super().__init__()
self.speech_config = SpeechConfig(subscription=api_key, region=region)
self.speech_synthesizer = SpeechSynthesizer(
speech_config=self.speech_config, audio_config=None
)
self._voice = voice
async def run_tts(self, sentence) -> AsyncGenerator[bytes, None]:
self.logger.info("Running azure tts")
ssml = (
"<speak version='1.0' xml:lang='en-US' xmlns='http://www.w3.org/2001/10/synthesis' "
"xmlns:mstts='http://www.w3.org/2001/mstts'>"
f"<voice name='{self._voice}'>"
"<mstts:silence type='Sentenceboundary' value='20ms' />"
"<mstts:express-as style='lyrical' styledegree='2' role='SeniorFemale'>"
"<prosody rate='1.05'>"
f"{sentence}"
"</prosody></mstts:express-as></voice></speak> ")
result = await asyncio.to_thread(self.speech_synthesizer.speak_ssml, (ssml))
self.logger.info("Got azure tts result")
if result.reason == ResultReason.SynthesizingAudioCompleted:
self.logger.info("Returning result")
# azure always sends a 44-byte header. Strip it off.
yield result.audio_data[44:]
elif result.reason == ResultReason.Canceled:
cancellation_details = result.cancellation_details
self.logger.info(
"Speech synthesis canceled: {}".format(
cancellation_details.reason))
if cancellation_details.reason == CancellationReason.Error:
self.logger.info(
"Error details: {}".format(
cancellation_details.error_details))
class AzureLLMService(BaseOpenAILLMService):
def __init__(
self,
*,
api_key,
endpoint,
api_version="2023-12-01-preview",
model):
self._endpoint = endpoint
self._api_version = api_version
super().__init__(api_key=api_key, model=model)
self._model: str = model
def create_client(self, api_key=None, base_url=None):
self._client = AsyncAzureOpenAI(
api_key=api_key,
azure_endpoint=self._endpoint,
api_version=self._api_version,
)
class AzureImageGenServiceREST(ImageGenService):
def __init__(
self,
*,
api_version="2023-06-01-preview",
image_size: str,
aiohttp_session: aiohttp.ClientSession,
api_key,
endpoint,
model,
):
super().__init__()
self._api_key = api_key
self._azure_endpoint = endpoint
self._api_version = api_version
self._model = model
self._aiohttp_session = aiohttp_session
self._image_size = image_size
async def run_image_gen(self, prompt: str) -> tuple[str, bytes, tuple[int, int]]:
url = f"{self._azure_endpoint}openai/images/generations:submit?api-version={self._api_version}"
headers = {
"api-key": self._api_key,
"Content-Type": "application/json"}
body = {
# Enter your prompt text here
"prompt": prompt,
"size": self._image_size,
"n": 1,
}
async with self._aiohttp_session.post(
url, headers=headers, json=body
) as submission:
# We never get past this line, because this header isn't
# defined on a 429 response, but something is eating our
# exceptions!
operation_location = submission.headers["operation-location"]
status = ""
attempts_left = 120
json_response = None
while status != "succeeded":
attempts_left -= 1
if attempts_left == 0:
raise Exception("Image generation timed out")
await asyncio.sleep(1)
response = await self._aiohttp_session.get(
operation_location, headers=headers
)
json_response = await response.json()
status = json_response["status"]
image_url = (
json_response["result"]["data"][0]["url"] if json_response else None)
if not image_url:
raise Exception("Image generation failed")
# Load the image from the url
async with self._aiohttp_session.get(image_url) as response:
image_stream = io.BytesIO(await response.content.read())
image = Image.open(image_stream)
return (image_url, image.tobytes(), image.size)