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Use bearer token provider instead of manually calling get_token #11

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Merged
pamelafox merged 1 commit into from
Mar 17, 2025
Merged

Use bearer token provider instead of manually calling get_token #11

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18 changes: 6 additions & 12 deletions src/quartapp/chat.py
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Original file line number Diff line number Diff line change
@@ -1,8 +1,7 @@
import json
import os
import time

from azure.identity.aio import AzureDeveloperCliCredential, ManagedIdentityCredential
from azure.identity.aio import AzureDeveloperCliCredential, ManagedIdentityCredential, get_bearer_token_provider
from openai import AsyncOpenAI
from quart import (
Blueprint,
Expand All @@ -28,12 +27,14 @@ async def configure_openai():
bp.azure_credential = AzureDeveloperCliCredential(tenant_id=tenant_id)

# Get the token provider for Azure OpenAI based on the selected Azure credential
bp.openai_token = await bp.azure_credential.get_token("https://cognitiveservices.azure.com/.default")
bp.openai_token_provider = get_bearer_token_provider(
bp.azure_credential, "https://cognitiveservices.azure.com/.default"
)

# Create the Asynchronous Azure OpenAI client
bp.openai_client = AsyncOpenAI(
base_url=os.environ["AZURE_INFERENCE_ENDPOINT"],
api_key=bp.openai_token.token,
api_key=await bp.openai_token_provider(),
default_query={"api-version": "2024-05-01-preview"},
)

Expand All @@ -51,14 +52,6 @@ async def index():
return await render_template("index.html")


@bp.before_request
async def maybe_refresh_token():
if bp.openai_token.expires_on < (time.time() + 60):
current_app.logger.info("Token is expired, refreshing token.")
openai_token = await bp.azure_credential.get_token("https://cognitiveservices.azure.com/.default")
bp.openai_client.api_key = openai_token.token


@bp.post("/chat/stream")
async def chat_handler():
request_messages = (await request.get_json())["messages"]
Expand All @@ -70,6 +63,7 @@ async def response_stream():
{"role": "system", "content": "You are a helpful assistant."},
] + request_messages

bp.openai_client.api_key = await bp.openai_token_provider()
chat_coroutine = bp.openai_client.chat.completions.create(
# Azure Open AI takes the deployment name as the model name
model=bp.openai_model,
Expand Down