Files
pipecat/src/dailyai/services/azure_ai_services.py
2023-12-29 11:46:39 -05:00

125 lines
4.7 KiB
Python

import json
import io
from openai import AzureOpenAI
import os
import requests
from typing import Generator
from dailyai.services.ai_services import LLMService, TTSService, ImageGenService
from PIL import Image
# See .env.example for Azure configuration needed
from azure.cognitiveservices.speech import SpeechSynthesizer, SpeechConfig, ResultReason, CancellationReason
class AzureTTSService(TTSService):
def __init__(self, speech_key=None, speech_region=None):
super().__init__()
speech_key = speech_key or os.getenv("AZURE_SPEECH_SERVICE_KEY")
speech_region = speech_region or os.getenv("AZURE_SPEECH_SERVICE_REGION")
self.speech_config = SpeechConfig(subscription=speech_key, region=speech_region)
self.speech_synthesizer = SpeechSynthesizer(speech_config=self.speech_config, audio_config=None)
def run_tts(self, sentence) -> Generator[bytes, None, 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'>" \
"<voice name='en-US-SaraNeural'>" \
"<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 = 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(LLMService):
def __init__(self, api_key=None, azure_endpoint=None, api_version=None, model=None):
super().__init__()
api_key = api_key or os.getenv("AZURE_CHATGPT_KEY")
azure_endpoint = azure_endpoint or os.getenv("AZURE_CHATGPT_ENDPOINT")
api_version = api_version or "2023-12-01-preview"
self.client = AzureOpenAI(
api_key=api_key,
azure_endpoint=azure_endpoint,
api_version=api_version,
)
self.model = model or os.getenv("AZURE_CHATGPT_DEPLOYMENT_ID")
def get_response(self, messages, stream):
return self.client.chat.completions.create(
stream=stream,
messages=messages,
model=self.model,
)
def run_llm_async(self, messages) -> Generator[str, None, None]:
messages_for_log = json.dumps(messages)
self.logger.debug(f"Generating chat via azure: {messages_for_log}")
response = self.get_response(messages, stream=True)
for chunk in response:
if len(chunk.choices) == 0:
continue
if chunk.choices[0].delta.content:
yield chunk.choices[0].delta.content
def run_llm(self, messages) -> str | None:
messages_for_log = json.dumps(messages)
self.logger.debug(f"Generating chat via azure: {messages_for_log}")
response = self.get_response(messages, stream=False)
if response and len(response.choices) > 0:
return response.choices[0].message.content
else:
return None
class AzureImageGenService(ImageGenService):
def __init__(self, api_key=None, azure_endpoint=None, api_version=None, model=None):
super().__init__()
api_key = api_key or os.getenv("AZURE_DALLE_KEY")
azure_endpoint = azure_endpoint or os.getenv("AZURE_DALLE_ENDPOINT")
api_version = api_version or "2023-12-01-preview"
self.model = model or os.getenv("AZURE_DALLE_DEPLOYMENT_ID")
self.client = AzureOpenAI(
api_key=api_key,
azure_endpoint=azure_endpoint,
api_version=api_version,
)
def run_image_gen(self, sentence) -> tuple[str, Image.Image]:
self.logger.info("Generating azure image", sentence)
image = self.client.images.generate(
model=self.model,
prompt=sentence,
n=1,
size=f"1024x1024",
)
url = image["data"][0]["url"]
response = requests.get(url)
dalle_stream = io.BytesIO(response.content)
dalle_im = Image.open(dalle_stream)
return (url, dalle_im)