扩展django用户django-rest_framework给了我KeyError

问题描述 投票:2回答:2

我是django rest_framework的新手,并且已经发布了,我根据django docs扩展了auth_user,但是给了我一个艰难的时间......

models.朋友

class UserProfile(models.Model):
    user = models.OneToOneField(User, primary_key=True, on_delete=models.CASCADE)
    national_id = models.CharField(max_length=10, blank=True, null=True)
    mobile = models.CharField(max_length=10)
    pin = models.IntegerField()
    pattern = models.IntegerField(blank=True, null=True)
    fingerprint = models.CharField(max_length=45, blank=True, null=True)

    class Meta:
        managed = False
        db_table = 'user_profile'

serialize认识.朋友

class UserSerializer(serializers.ModelSerializer):
    national_id = serializers.CharField(source='userprofile.national_id', allow_null=True, required=False)
    mobile = serializers.CharField(source='userprofile.mobile')
    pin = serializers.IntegerField(source='userprofile.pin', write_only=True)
    pattern = serializers.IntegerField(source='userprofile.pattern', write_only=True)
    fingerprint = serializers.CharField(source='userprofile.fingerprint', write_only=True, allow_null=True, required=False)

    class Meta:
        model = User
        fields = ('id', 'username', 'password', 'first_name', 'last_name', 'email', 'national_id', 'mobile', 'pin', 'pattern', 'fingerprint')
        write_only_fields = ('password',)
        read_only_fields = ('last_login', 'is_superuser', 'is_staff', 'is_active', 'date_joined')

    def create(self, validated_data):
        user = User(
            username=validated_data['username'],
            first_name=validated_data['first_name'],
            last_name=validated_data['last_name'],
            email=validated_data['email'],
            )
        user.set_password(validated_data['password'])
        user.save()
        userprofile = UserProfile(
            user=user,
            national_id=validated_data['national_id'],
            mobile=validated_data['mobile'],
            pin=validated_data['pin'],
            pattern=validated_data['pattern'],
            fingerprint=validated_data['fingerprint'],
            )
        userprofile.save()
        return user

views.朋友

class UserView(viewsets.ModelViewSet):
    serializer_class = UserSerializer
    queryset = get_user_model().objects

URLs.朋友

from django.conf.urls import include, url
from django.contrib import admin
from rest_framework.routers import DefaultRouter

from restful.views import *

router = DefaultRouter()

router.register(r'availability-notification', AvailabiltyNotificationView)
router.register(r'bank', BankView)
router.register(r'recipient', RecipientView)
router.register(r'user', UserView)

urlpatterns = [
    url(r'^', include(router.urls)),
    url(r'^api-auth/', include('rest_framework.urls', namespace='rest_framework')),
    url(r'^admin/', admin.site.urls),

但一直在给我:

环境:

请求方法:POST请求URL:http://localhost:8000/user/

Django版本:1.10.2 Python版本:3.5.2已安装的应用程序:['django.contrib.admin','django.contrib.auth','django.contrib.contenttypes','django.contrib.sessions','django .contrib.messages','django.contrib.staticfiles','rest_framework','restful']已安装的中间件:['django.middleware.security.SecurityMiddleware','django.contrib.sessions.middleware.SessionMiddleware','django .middleware.common.CommonMiddleware','django.middleware.csrf.CsrfViewMiddleware','django.contrib.auth.middleware.AuthenticationMiddleware','django.contrib.messages.middleware.MessageMiddleware','django.middleware.clickjacking.XFrameOptionsMiddleware “]

追溯:

内部39中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ exception.py”response = get_response(request)

_get_response 187中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ base.py”.response = self.process_exception_by_middleware(e,request)

_get_response 185中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ base.py”。response = wrapped_callback(request,* callback_args,** callback_kwargs)

在wrapped_view 58中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ views \ decorators \ csrf.py”。return view_func(* args,** kwargs)

文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ viewsets.py”在视图87中。返回self.dispatch(request,* args,** kwargs)

发送474中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ views.py”response = self.handle_exception(exc)

handle_exception 434中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ _ views.py”self.raise_uncaught_exception(exc)

在调度471中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ views.py”.response = handler(request,* args,** kwargs)

在create 21. self.perform_create(serializer)中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ mixins.py”

perform_create文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ mixins.py”26. serializer.save()

保存192中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ serializers.py”.self.instance = self.create(validated_data)

创建45. national_id = validated_data ['national_id']中的文件“C:\ Users \ echavez \ Source \ ws \ restful \ serializers.py”,

异常类型:/ user /上的KeyError异常值:'national_id'

我知道这是一个新手问题,但是,我真的需要帮助!

提前致谢。

django django-models django-rest-framework django-users python-3.5
2个回答
2
投票

您以错误的方式获取配置文件数据。 validated_data是您要单独保存的用户和配置文件数据的字典。

得到这样的。

profile_data = validated_data.pop('userprofile')

请注意,我们设置了用户配置文件数据,因此现在您只在validated_data中保留了用户数据。所以完整的流程将如下所示

profile_data = validated_data.pop('userprofile')
user = User.objects.create(**validated_data)
UserProfile.objects.create(user=user, **profile_data)
return user

看看这里

http://www.django-rest-framework.org/api-guide/serializers/#writable-nested-representations


0
投票

感谢LaL ZaDa指出了我正确的方向,我的代码终于看起来像这样并且有效:

serialize认识.朋友

class UserSerializer(serializers.ModelSerializer):
    national_id = serializers.CharField(source='userprofile.national_id', allow_null=True, required=False)
    mobile = serializers.CharField(source='userprofile.mobile')
    pin = serializers.IntegerField(source='userprofile.pin', write_only=True)
    pattern = serializers.IntegerField(source='userprofile.pattern', write_only=True)
    fingerprint = serializers.CharField(source='userprofile.fingerprint', write_only=True, allow_null=True, required=False)

    bank_accounts = UserBankAccountSerializer(many=True)

    class Meta:
        model = User
        fields = ('id', 'username', 'password', 'first_name', 'last_name', 'email', 'national_id', 'mobile', 'pin', 'pattern', 'fingerprint', 'bank_accounts')
        write_only_fields = ('password',)
        read_only_fields = ('last_login', 'is_superuser', 'is_staff', 'is_active', 'date_joined')

    def create(self, validated_data):
        user = User(
            username=validated_data['username'],
            first_name=validated_data['first_name'],
            last_name=validated_data['last_name'],
            email=validated_data['email'],
            )
        user.set_password(validated_data['password'])
        user.save()
        profile_data = validated_data.pop('userprofile')
        userprofile = UserProfile(
            user=user,
            national_id=profile_data['national_id'],
            mobile=profile_data['mobile'],
            pin=profile_data['pin'],
            pattern=profile_data['pattern'],
            fingerprint=profile_data['fingerprint'],
            )
        userprofile.save()
        return user

原因,这不是一个嵌套模型(bank_accounts,是嵌套的),所以当我这样做时:

profile_data = validated_data.pop('userprofile')
user = User.objects.create(**validated_data)
UserProfile.objects.create(user=user, **userprofile)
return user

扔我...

环境:

请求方法:POST请求URL:http://localhost:8000/user/

Django版本:1.10.2 Python版本:3.5.2已安装的应用程序:['django.contrib.admin','django.contrib.auth','django.contrib.contenttypes','django.contrib.sessions','django .contrib.messages','django.contrib.staticfiles','rest_framework','restful']已安装的中间件:['django.middleware.security.SecurityMiddleware','django.contrib.sessions.middleware.SessionMiddleware','django .middleware.common.CommonMiddleware','django.middleware.csrf.CsrfViewMiddleware','django.contrib.auth.middleware.AuthenticationMiddleware','django.contrib.messages.middleware.MessageMiddleware','django.middleware.clickjacking.XFrameOptionsMiddleware “]

追溯:

内部39中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ exception.py”response = get_response(request)

_get_response 187中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ base.py”.response = self.process_exception_by_middleware(e,request)

_get_response 185中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ core \ handlers \ base.py”。response = wrapped_callback(request,* callback_args,** callback_kwargs)

在wrapped_view 58中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ views \ decorators \ csrf.py”。return view_func(* args,** kwargs)

文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ viewsets.py”在视图87中。返回self.dispatch(request,* args,** kwargs)

发送474中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ views.py”response = self.handle_exception(exc)

handle_exception 434中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ _ views.py”self.raise_uncaught_exception(exc)

在调度471中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ views.py”.response = handler(request,* args,** kwargs)

在create 21. self.perform_create(serializer)中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ mixins.py”

perform_create文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ mixins.py”26. serializer.save()

保存192中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ rest_framework \ serializers.py”.self.instance = self.create(validated_data)

创建49中的文件“C:\ Users \ echavez \ Source \ ws \ restful \ serializers.py”。user = User.objects.create(** validated_data)

在manager_method 85中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ manager.py”。返回getattr(self.get_queryset(),name)(* args,** kwargs)

在create 397中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ query.py”.obj = self.model(** kwargs)

init 68中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ contrib \ auth \ base_user.py”.super(AbstractBaseUser,self).init(* args,** kwargs)

在init 550中文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ base.py”.setattr(self,prop,kwargs [prop])

文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ fields \ related_descriptors.py”in set 500. manager.set(value)

在集合687中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ fields \ related_descriptors.py”.self.add(* objs,bulk = bulk)

文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ fields \ related_descriptors.py”添加597. self.field.name:self.instance,

更新637中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ query.py”。rows = query.get_compiler(self.db).execute_sql(CURSOR)

execute_sql 1148中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ sql \ compiler.py”。cursor = super(SQLUpdateCompiler,self).execute_sql(result_type)

execute_sql 824中的文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ sql \ compiler.py”.sql,params = self.as_sql()

在as_sql 1102. val.prepare_database_save(field)中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ sql \ compiler.py”,

在prepare_database_save 999中输入文件“C:\ Users \ echavez \ Envs \ YEiPii \ lib \ site-packages \ django \ db \ models \ base.py”。raise ValueError(“未保存的模型实例%r不能在ORM查询中使用。 “%自我)

异常类型:ValueError at / user / Exception值:未保存的模型实例不能在ORM查询中使用。

现在我将完成创建以包含嵌套的一个以及更新和删除...

谢谢LaL

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