2026-02-14 16:50:02 +08:00
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# -*- coding: utf-8 -*-
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"""
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2026-02-25 00:10:04 +08:00
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DRF 自定义异常处理器：统一错误响应格式，并确保返回正确 HTTP 状态码。
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2026-02-14 16:50:02 +08:00
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"""
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from rest_framework.views import exception_handler
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from rest_framework.response import Response
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2026-02-25 00:10:04 +08:00
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from rest_framework.exceptions import APIException
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2026-02-14 16:50:02 +08:00
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def custom_exception_handler(exc, context):
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response = exception_handler(exc, context)
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if response is not None:
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2026-02-25 00:10:04 +08:00
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# 确保使用异常自带的 HTTP 状态码（如 401 登录失效、403 无权限）
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if isinstance(exc, APIException) and getattr(exc, "status_code", None):
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response.status_code = exc.status_code
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2026-02-25 00:14:22 +08:00
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# 统一格式：{"detail": "...", "code": 状态码}
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2026-02-14 16:50:02 +08:00
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if isinstance(response.data, list):
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response.data = {"detail": response.data[0] if response.data else str(exc)}
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elif isinstance(response.data, dict) and "detail" not in response.data:
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response.data = {"detail": str(response.data)}
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2026-02-25 00:14:22 +08:00
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response.data["code"] = response.status_code
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2026-02-14 16:50:02 +08:00
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return response
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