factory/apps/utils/exceptions.py

47 lines
1.6 KiB
Python

from typing import Tuple
from django.core.exceptions import PermissionDenied
from django.http import Http404
from server.settings import myLogger
from rest_framework.response import Response
from rest_framework import exceptions
from rest_framework.views import set_rollback
from django.utils.translation import gettext_lazy as _
import traceback
class MyError(exceptions.ParseError):
"""自定义业务异常
"""
def __init__(self, error:Tuple[str, str]=(), detail=None, code=None):
if error:
code, detail = error
super().__init__(detail, code)
def custom_exception_hander(exc, context):
"""
自定义异常处理
"""
if isinstance(exc, Http404):
exc = exceptions.NotFound()
elif isinstance(exc, PermissionDenied):
exc = exceptions.PermissionDenied()
if isinstance(exc, exceptions.APIException):
headers = {}
if getattr(exc, 'auth_header', None):
headers['WWW-Authenticate'] = exc.auth_header
if getattr(exc, 'wait', None):
headers['Retry-After'] = '%d' % exc.wait
if isinstance(exc.detail, (list, dict)):
data = {'err_detail':exc.detail}
data['err_code'] = exc.default_code
data['err_msg'] = exc.default_detail
else:
data = {'err_msg': exc.detail, 'err_code':exc.get_codes()}
set_rollback()
return Response(data, status=exc.status_code, headers=headers)
# 未处理的异常记录日志
myLogger.error(traceback.format_exc())
return Response(data={'err_code':'server_error', 'err_msg':'服务器错误'}, status=500)