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import json
from fastapi import APIRouter, Depends, HTTPException, Request, Response
from fastapi.responses import StreamingResponse
from api.auth import verify_app_secret
from api.config import ALLOWED_MODELS
from api.models import ChatRequest
from api.utils import process_non_streaming_response, process_streaming_response
from api.logger import setup_logger
logger = setup_logger(__name__)
router = APIRouter()
@router.options("/v1/chat/completions")
@router.options("/api/v1/chat/completions")
async def chat_completions_options():
return Response(
status_code=200,
headers={
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Methods": "POST, OPTIONS",
"Access-Control-Allow-Headers": "Content-Type, Authorization",
},
)
@router.get("/v1/models")
@router.get("/api/v1/models")
async def list_models():
return {"object": "list", "data": ALLOWED_MODELS}
@router.post("/v1/chat/completions")
@router.post("/api/v1/chat/completions")
async def chat_completions(
request: ChatRequest, app_secret: str = Depends(verify_app_secret)
):
logger.info("Entering chat_completions route")
logger.info(f"Processing chat completion request for model: {request.model}")
if request.model not in [model["id"] for model in ALLOWED_MODELS]:
raise HTTPException(
status_code=400,
detail=f"Model {request.model} is not allowed. Allowed models are: {', '.join(model['id'] for model in ALLOWED_MODELS)}",
)
if request.stream:
logger.info("Streaming response")
return StreamingResponse(process_streaming_response(request), media_type="text/event-stream")
else:
logger.info("Non-streaming response")
return await process_non_streaming_response(request)
@router.route('/')
@router.route('/healthz')
@router.route('/ready')
@router.route('/alive')
@router.route('/status')
@router.get("/health")
def health_check(request: Request):
return Response(content=json.dumps({"status": "ok"}), media_type="application/json")
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