refactor(api): Fix issues reported by pre-commit

- Modified code layout and formatting in multiple files, improving code readability.
  - Updated import statements, removing unused libraries.
  - Simplified the writing of some functions and exception handling.

lightrag/api/auth.py

@@ -29,14 +29,12 @@ class AuthHandler:
 
             if datetime.utcnow() > expire_time:
                 raise HTTPException(
-                    status_code=status.HTTP_401_UNAUTHORIZED,
+                    status_code=status.HTTP_401_UNAUTHORIZED, detail="Token expired"
-                    detail="Token expired"
                 )
             return payload["sub"]
         except jwt.PyJWTError:
             raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
+                status_code=status.HTTP_401_UNAUTHORIZED, detail="Invalid token"
-                detail="Invalid token"
             )
 
 

lightrag/api/lightrag_server.py

@@ -2,13 +2,7 @@
 LightRAG FastAPI Server
 """
 
-from fastapi import (
+from fastapi import FastAPI, Depends, HTTPException, status
-    FastAPI,
-    Depends,
-    HTTPException,
-    Request,
-    status
-)
 import asyncio
 import os
 import logging
@@ -27,7 +21,6 @@ from lightrag.api.utils_api import (
     parse_args,
     get_default_host,
     display_splash_screen,
-    get_auth_dependency,
 )
 from lightrag import LightRAG
 from lightrag.types import GPTKeywordExtractionFormat
@@ -386,18 +379,17 @@ def create_app(args):
         if not (username and password):
             raise HTTPException(
                 status_code=status.HTTP_501_NOT_IMPLEMENTED,
-                detail="Authentication not configured"
+                detail="Authentication not configured",
             )
 
         if form_data.username != username or form_data.password != password:
             raise HTTPException(
-                status_code=status.HTTP_401_UNAUTHORIZED,
+                status_code=status.HTTP_401_UNAUTHORIZED, detail="Incorrect credentials"
-                detail="Incorrect credentials"
             )
 
         return {
             "access_token": auth_handler.create_token(username),
-            "token_type": "bearer"
+            "token_type": "bearer",
         }
 
     @app.get("/health", dependencies=[Depends(optional_api_key)])

lightrag/api/requirements.txt

@@ -1,20 +1,20 @@
 aiofiles
 ascii_colors
+asyncpg
+distro
 fastapi
+httpcore
+httpx
+jiter
 numpy
+openai
+passlib[bcrypt]
 pipmaster
+PyJWT
 python-dotenv
+python-jose[cryptography]
 python-multipart
+pytz
 tenacity
 tiktoken
 uvicorn
-jiter
-httpcore
-distro
-httpx
-openai
-asyncpg
-pytz
-python-jose[cryptography]
-passlib[bcrypt]
-PyJWT

lightrag/api/routers/document_routes.py

@@ -18,7 +18,11 @@ from lightrag import LightRAG
 from lightrag.base import DocProcessingStatus, DocStatus
 from ..utils_api import get_api_key_dependency, get_auth_dependency
 
-router = APIRouter(prefix="/documents", tags=["documents"], dependencies=[Depends(get_auth_dependency())])
+router = APIRouter(
+    prefix="/documents",
+    tags=["documents"],
+    dependencies=[Depends(get_auth_dependency())],
+)
 
 # Temporary file prefix
 temp_prefix = "__tmp__"

lightrag/api/utils_api.py

@@ -9,12 +9,7 @@ import sys
 import logging
 from ascii_colors import ASCIIColors
 from lightrag.api import __api_version__
-from fastapi import (
+from fastapi import HTTPException, Security, Depends, Request
-    HTTPException,
-    Security,
-    Depends,
-    Request
-)
 from dotenv import load_dotenv
 from fastapi.security import APIKeyHeader, OAuth2PasswordBearer
 from starlette.status import HTTP_403_FORBIDDEN
@@ -41,8 +36,8 @@ def get_auth_dependency():
     whitelist = os.getenv("WHITELIST_PATHS", "").split(",")
 
     async def dependency(
-            request: Request,
+        request: Request,
-            token: str = Depends(OAuth2PasswordBearer(tokenUrl="login", auto_error=False))
+        token: str = Depends(OAuth2PasswordBearer(tokenUrl="login", auto_error=False)),
     ):
         if request.url.path in whitelist:
             return