rest_framework serializers ValidationError 错误信息自定义 key 值

开发环境

Django 1.11.14
django-crispy-forms 1.7.0
django-filter 1.1.0
django-formtools 2.1
django-guardian 1.4.9
django-import-export 0.5.1
django-redis 4.8.0
django-reversion 2.0.10
djangorestframework 3.7.1
djangorestframework-jwt 1.11.0

提取 ValidationError

# ..\users\my_validation_error.py

#!/usr/bin/env python3 # -*- coding: utf-8 -*- """ @author: yinzhuoqun @site: http://xieboke.net/ @email: yin@zhuoqun.info @time: 2020/4/9 16:22 """ # ..\Lib\site-packages\rest_framework\exceptions.py from coreapi.compat import force_text from rest_framework.exceptions import APIException, ErrorDetail from rest_framework import status from rest_framework.utils.serializer_helpers import ReturnList, ReturnDict from django.utils.translation import ugettext_lazy as _ def _get_error_details(data, default_code=None): """ Descend into a nested data structure, forcing any lazy translation strings or strings into `ErrorDetail`. """ if isinstance(data, list): ret = [ _get_error_details(item, default_code) for item in data ] if isinstance(data, ReturnList): return ReturnList(ret, serializer=data.serializer) return ret elif isinstance(data, dict): ret = { key: _get_error_details(value, default_code) for key, value in data.items() } if isinstance(data, ReturnDict): return ReturnDict(ret, serializer=data.serializer) return ret text = force_text(data) code = getattr(data, 'code', default_code) return ErrorDetail(text, code) class MyValidationError(APIException): status_code = status.HTTP_400_BAD_REQUEST default_detail = _('Invalid input.') default_code = 'invalid' def __init__(self, detail=None, code=None): if detail is None: detail = self.default_detail if code is None: code = self.default_code # For validation failures, we may collect many errors together, # so the details should always be coerced to a list if not already. if not isinstance(detail, dict) and not isinstance(detail, list): detail = [detail] self.detail = _get_error_details(detail, code)

serializers.py 导入使用

from users.my_validation_error import MyValidationError class EmailVerifySerializer(serializers.Serializer): email = serializers.EmailField(required=True, label="邮箱", error_messages={ "blank": "请输入邮箱", "required": "请输入邮箱", }, help_text="请输入邮箱") def validate_email(self, email): """ 验证邮箱 :param email: :return: """ # 验证是否注册 if User.objects.filter(email=email).count(): # raise serializers.ValidationError("请输入新的邮箱或找回账户密码") raise MyValidationError(detail={"msg": "请输入新的邮箱或找回账户密码"})