quivr/backend/main.py

89 lines
2.6 KiB
Python

import os
if __name__ == "__main__":
# import needed here when running main.py to debug backend
# you will need to run pip install python-dotenv
from dotenv import load_dotenv
load_dotenv()
import pypandoc
import sentry_sdk
from fastapi import FastAPI, HTTPException, Request, status
from fastapi.exceptions import RequestValidationError
from fastapi.responses import JSONResponse
from logger import get_logger
from middlewares.cors import add_cors_middleware
from routes.api_key_routes import api_key_router
from routes.brain_routes import brain_router
from routes.chat_routes import chat_router
from routes.crawl_routes import crawl_router
from routes.explore_routes import explore_router
from routes.misc_routes import misc_router
from routes.prompt_routes import prompt_router
from routes.subscription_routes import subscription_router
from routes.upload_routes import upload_router
from routes.user_routes import user_router
logger = get_logger(__name__)
sentry_dsn = os.getenv("SENTRY_DSN")
if sentry_dsn:
sentry_sdk.init(
dsn=sentry_dsn,
traces_sample_rate=1.0,
)
app = FastAPI()
add_cors_middleware(app)
@app.on_event("startup")
async def startup_event():
if not os.path.exists(pypandoc.get_pandoc_path()):
pypandoc.download_pandoc()
app.include_router(brain_router)
app.include_router(chat_router)
app.include_router(crawl_router)
app.include_router(explore_router)
app.include_router(misc_router)
app.include_router(upload_router)
app.include_router(user_router)
app.include_router(api_key_router)
app.include_router(subscription_router)
app.include_router(prompt_router)
@app.exception_handler(HTTPException)
async def http_exception_handler(_, exc):
return JSONResponse(
status_code=exc.status_code,
content={"detail": exc.detail},
)
# log more details about validation errors (422)
def handle_request_validation_error(app: FastAPI):
@app.exception_handler(RequestValidationError)
async def validation_exception_handler(
request: Request, exc: RequestValidationError
):
exc_str = f"{exc}".replace("\n", " ").replace(" ", " ")
logger.error(request, exc_str)
content = {
"status_code": status.HTTP_422_UNPROCESSABLE_ENTITY,
"message": exc_str,
"data": None,
}
return JSONResponse(
content=content, status_code=status.HTTP_422_UNPROCESSABLE_ENTITY
)
handle_request_validation_error(app)
if __name__ == "__main__":
# run main.py to debug backend
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=5050)