Django Rest Framework KeyError 'request'

Question

i have my serializer like this

class PublicacionSerializer(serializers.ModelSerializer):
    usuario = UserSerializer2()
    likeado = serializers.SerializerMethodField()

    class Meta:
        model = Publicacion
        fields = ('id','usuario', 'likeado')

    def get_likeado(self, obj):
        user = self.context['request'].user
        try:
            like = Like.objects.get(publicacion=obj, usuario=user)
            return like.id
        except Like.DoesNotExist:
            return False

so i use that seriaizer in another one:

class EstadoSerializer(serializers.ModelSerializer):
    publicacion = PublicacionSerializer(read_only=True)

in views.py i have

class ModificarEstadoMixin(object):
    queryset = Estado.objects.all()
    serializer_class = EstadoSerializer

class ModificarEstadoDetail(ModificarEstadoMixin, RetrieveUpdateAPIView):
    permission_classes = (permissions.IsAuthenticated,
              CanModifEstado,)
    pass

when i access to the url for know if an user has liked to a post i got a KeyError 'request' in code line

user = self.context['request'].user

anyone knows how to solve it?

itzMEonTV · Accepted Answer · 2017-03-06 11:28:27Z

18

When you call that serializer, you have to pass context from view like

MySerializer(context={'request': request})

edited Mar 6, 2017 at 11:28

answered Mar 6, 2017 at 11:18

itzMEonTV

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3 Comments

Ivan Semochkin Over a year ago

or you can call get_serializer method, which will pass context for you

PoYo Rivera Over a year ago

i don't know where i should to put it @itzmeontv i edited my post

arnaldo Over a year ago

Hi there. Where I should properly use the context={'request': request} using the example posted by the question? I'm getting NameError: name 'request' is not defined.

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