Python serializers.ModelSerializer方法代码示例

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def _get_name(self):
        """
        :return: Serializer name
        :rtype: str
        """
        serializer = self.serializer

        if inspect.isclass(serializer):
            name = serializer.__name__
        else:
            name = serializer.__class__.__name__

        if name == 'DefaultSerializer' and issubclass(serializer, ModelSerializer):
            model_name = self.serializer.Meta.model.__name__
            name = '{0}Serializer'.format(model_name.strip())
        return name 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_modelserializer_charfield(self):
        class ArtistSerializer(serializers.ModelSerializer):
            id = HashidSerializerCharField(source_field='tests.Artist.id')

            class Meta:
                model = Artist
                fields = ('id', 'name')

        artist = Artist.objects.create(id=128, name="Test Artist")
        orig_id = artist.id
        s = ArtistSerializer(artist)
        self.assertEqual(Artist._meta.get_field('id').salt, s.fields['id'].hashid_salt)
        self.assertTrue(isinstance(s.data['id'], str))
        self.assertEqual(artist.id.hashid, s.data['id'])
        s2 = ArtistSerializer(artist, data={'id': 128, 'name': "Test Artist Changed"})
        self.assertTrue(s2.is_valid())
        artist = s2.save()
        self.assertEqual(artist.id, orig_id)
        self.assertEqual(artist.name, "Test Artist Changed") 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_modelserializer_integerfield(self):
        class ArtistSerializer(serializers.ModelSerializer):
            id = HashidSerializerIntegerField(source_field=Artist._meta.get_field('id'))

            class Meta:
                model = Artist
                fields = ('id', 'name')

        artist = Artist.objects.create(id=256, name="Test Artist")
        orig_id = artist.id
        s = ArtistSerializer(artist)
        self.assertTrue(isinstance(s.data['id'], int))
        self.assertEqual(artist.id.id, s.data['id'])
        s2 = ArtistSerializer(artist, data={'id': 256, 'name': "Test Artist Changed"})
        self.assertTrue(s2.is_valid())
        artist = s2.save()
        self.assertEqual(artist.id, orig_id)
        self.assertEqual(artist.name, "Test Artist Changed") 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def create_translated_fields_serializer(shared_model, meta=None, related_name=None, **fields):
    """
    Create a Rest Framework serializer class for a translated fields model.

    :param shared_model: The shared model.
    :type shared_model: :class:`parler.models.TranslatableModel`
    """
    if not related_name:
        translated_model = shared_model._parler_meta.root_model
    else:
        translated_model = shared_model._parler_meta[related_name].model

    # Define inner Meta class
    if not meta:
        meta = {}
    meta['model'] = translated_model
    meta.setdefault('fields', ['language_code'] + translated_model.get_translated_fields())

    # Define serialize class attributes
    attrs = {}
    attrs.update(fields)
    attrs['Meta'] = type('Meta', (), meta)

    # Dynamically create the serializer class
    return type('{0}Serializer'.format(translated_model.__name__), (serializers.ModelSerializer,), attrs) 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_method_name_custom():
    class BlogSerializer(serializers.ModelSerializer):
        one_entry = SerializerMethodResourceRelatedField(
            model=Entry,
            method_name='get_custom_entry'
        )

        class Meta:
            model = Blog
            fields = ['one_entry']

        def get_custom_entry(self, instance):
            return Entry(id=100)

    serializer = BlogSerializer(instance=Blog())
    assert serializer.data['one_entry']['id'] == '100' 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_source():
    class BlogSerializer(serializers.ModelSerializer):
        one_entry = SerializerMethodResourceRelatedField(
            model=Entry,
            source='get_custom_entry'
        )

        class Meta:
            model = Blog
            fields = ['one_entry']

        def get_custom_entry(self, instance):
            return Entry(id=100)

    serializer = BlogSerializer(instance=Blog())
    assert serializer.data['one_entry']['id'] == '100' 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def get_urls(self):
        router = DefaultRouter()
        view_sets = []
        for model, view_set in self._registry.items():
            if view_set.queryset is None:
                view_set.queryset = model.objects.all()
            if view_set.serializer_class is None:
                serializer_class = type("%sModelSerializer" % model.__name__, (ModelSerializer,), {
                    "Meta": type("Meta", (object,), {
                        "model": model,
                        "fields": "__all__"
                    }),
                })
                view_set.serializer_class = serializer_class

            view_sets.append(view_set)
            router.register(self.get_model_url(model), view_set, self.get_model_basename(model))

        return router.urls + self._url_patterns 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_instance_is_created_successfully_after_model_serializer_create(self):
        class Serializer(EnumChoiceModelSerializerMixin, serializers.ModelSerializer):
            class Meta:
                model = StringEnumeratedModel
                fiedls = ('enumeration', )

        current_instance_count = StringEnumeratedModel.objects.count()

        serializer = self.Serializer(data={'enumeration': 'first'})
        serializer.is_valid()

        instance = serializer.create(serializer.validated_data)

        self.assertEqual(
            current_instance_count + 1,
            StringEnumeratedModel.objects.count()
        )
        self.assertEqual(
            CharTestEnum.FIRST,
            instance.enumeration
        ) 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_instance_is_updated_successfully_after_model_serializer_update(self):
        class Serializer(EnumChoiceModelSerializerMixin, serializers.ModelSerializer):
            class Meta:
                model = StringEnumeratedModel
                fiedls = ('enumeration', )

        instance = StringEnumeratedModel.objects.create(
            enumeration=CharTestEnum.FIRST
        )

        serializer = self.Serializer(data={'enumeration': 'second'})
        serializer.is_valid()

        serializer.update(instance, serializer.validated_data)
        instance.refresh_from_db()

        self.assertEqual(
            CharTestEnum.SECOND,
            instance.enumeration
        ) 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_instance_is_created_successfully_when_using_custom_choice_builder(self):
        class Serializer(EnumChoiceModelSerializerMixin, serializers.ModelSerializer):
            class Meta:
                model = CustomChoiceBuilderEnumeratedModel
                fields = ('enumeration', )

        current_instance_count = CustomChoiceBuilderEnumeratedModel.objects.count()

        serializer = Serializer(data={'enumeration': 'Custom_first'})
        self.assertTrue(serializer.is_valid())

        instance = serializer.create(serializer.validated_data)

        self.assertEqual(
            current_instance_count + 1,
            CustomChoiceBuilderEnumeratedModel.objects.count()
        )
        self.assertEqual(
            CharTestEnum.FIRST,
            instance.enumeration
        ) 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_with_nested_one_to_one(self):
        class ChildSerializer(ModelSerializer):
            class Meta:
                model = DeeplyNestedChild
                fields = ["toy", "parent"]
                depth = 1

        class ParentSerializer(ModelSerializer):
            child = ChildSerializer()

            class Meta:
                model = DeeplyNestedParent
                fields = ["child", "car"]
                depth = 2

        data = _run_test(ParentSerializer, DeeplyNestedParent, sql_queries=2) 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_write_only_field():
    class WriteOnlyFieldModelSerializer(serializers.ModelSerializer):
        password = serializers.CharField(write_only=True)

        class Meta:
            model = MyFakeModelWithPassword
            fields = ["cool_name", "password"]

    class MyMutation(SerializerMutation):
        class Meta:
            serializer_class = WriteOnlyFieldModelSerializer

    result = MyMutation.mutate_and_get_payload(
        None, mock_info(), **{"cool_name": "New Narf", "password": "admin"}
    )

    assert hasattr(result, "cool_name")
    assert not hasattr(
        result, "password"
    ), "'password' is write_only field and shouldn't be visible" 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_write_only_field_using_extra_kwargs():
    class WriteOnlyFieldModelSerializer(serializers.ModelSerializer):
        class Meta:
            model = MyFakeModelWithPassword
            fields = ["cool_name", "password"]
            extra_kwargs = {"password": {"write_only": True}}

    class MyMutation(SerializerMutation):
        class Meta:
            serializer_class = WriteOnlyFieldModelSerializer

    result = MyMutation.mutate_and_get_payload(
        None, mock_info(), **{"cool_name": "New Narf", "password": "admin"}
    )

    assert hasattr(result, "cool_name")
    assert not hasattr(
        result, "password"
    ), "'password' is write_only field and shouldn't be visible" 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def test_read_only_fields():
    class ReadOnlyFieldModelSerializer(serializers.ModelSerializer):
        cool_name = serializers.CharField(read_only=True)

        class Meta:
            model = MyFakeModelWithPassword
            fields = ["cool_name", "password"]

    class MyMutation(SerializerMutation):
        class Meta:
            serializer_class = ReadOnlyFieldModelSerializer

    assert "password" in MyMutation.Input._meta.fields
    assert (
        "cool_name" not in MyMutation.Input._meta.fields
    ), "'cool_name' is read_only field and shouldn't be on arguments" 

# 需要导入模块: from rest_framework import serializers [as 别名]
# 或者: from rest_framework.serializers import ModelSerializer [as 别名]
def to_representation(self, instance):
        """
        Rewrite the ModelSerializer to_representation to pass request on to the
        datafile model's download_url function for logging purposes when
        keys are created.
        """
        request = self.context.get("request", None)
        ret = OrderedDict()
        ret["id"] = instance.id
        ret["basename"] = instance.basename
        ret["created"] = instance.created
        ret["datatypes"] = self.get_file_datatypes(instance)
        ret["download_url"] = instance.download_url(request)
        ret["metadata"] = instance.metadata
        ret["source"] = instance.source
        ret["source_project"] = self.get_source_project(instance)

        return ret