68 lines
2.8 KiB
Python
68 lines
2.8 KiB
Python
from rest_framework.views import exception_handler
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from rest_framework.response import Response
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from rest_framework import status
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import logging
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import traceback
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from django.conf import settings
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logger = logging.getLogger('django.request')
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def custom_exception_handler(exc, context):
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"""
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统一异常处理：所有错误写入终端日志（logger），生产环境响应不泄露细节。
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"""
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response = exception_handler(exc, context)
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request = context.get('request')
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path = getattr(request, 'path', 'unknown')
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method = getattr(request, 'method', 'unknown')
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user = request.user if request else None
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user_info = f"用户: {user.id if user and user.is_authenticated else '未登录'}"
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if response is not None:
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logger.error(
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'API异常 path=%s method=%s %s status=%s error=%s',
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path, method, user_info, response.status_code, exc,
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exc_info=exc,
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)
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if settings.DEBUG:
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return response
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error_messages = {
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status.HTTP_400_BAD_REQUEST: {'code': 400, 'message': '请求参数错误'},
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status.HTTP_401_UNAUTHORIZED: {'code': 401, 'message': '请先登录'},
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status.HTTP_403_FORBIDDEN: {'code': 403, 'message': '权限不足'},
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status.HTTP_404_NOT_FOUND: {'code': 404, 'message': '资源不存在'},
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status.HTTP_405_METHOD_NOT_ALLOWED: {'code': 405, 'message': '请求方法不允许'},
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status.HTTP_408_REQUEST_TIMEOUT: {'code': 408, 'message': '请求超时'},
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status.HTTP_429_TOO_MANY_REQUESTS: {'code': 429, 'message': '请求过于频繁'},
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status.HTTP_500_INTERNAL_SERVER_ERROR: {'code': 500, 'message': '服务器内部错误'},
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status.HTTP_502_BAD_GATEWAY: {'code': 502, 'message': '网关错误'},
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status.HTTP_503_SERVICE_UNAVAILABLE: {'code': 503, 'message': '服务暂不可用'},
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status.HTTP_504_GATEWAY_TIMEOUT: {'code': 504, 'message': '网关超时'},
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}
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standard_response = error_messages.get(
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response.status_code,
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{'code': response.status_code, 'message': '请求错误'},
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)
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return Response(standard_response, status=response.status_code)
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# DRF 未处理的异常（数据库字段缺失、AttributeError 等）→ 500 且无日志是常见问题
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logger.error(
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'未处理API异常 path=%s method=%s %s error=%s traceback=%s',
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path,
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method,
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user_info,
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exc,
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traceback.format_exc(),
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)
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if settings.DEBUG:
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return Response(
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{'code': 500, 'message': str(exc), 'detail': traceback.format_exc()},
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status=status.HTTP_500_INTERNAL_SERVER_ERROR,
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)
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return Response(
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{'code': 500, 'message': '服务器内部错误'},
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status=status.HTTP_500_INTERNAL_SERVER_ERROR,
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)
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