/Python/Django many to many post update method via rest

Django many to many post update method via rest

class GroupMembershipSerializer(ModelSerializer):
    class Meta:
        model = Membership
        fields = ('person',)

class GroupCreateSerializer(ModelSerializer):
     memberships = GroupMembershipSerializer(many=True, required=False)

    def create(self, validated_data):
        person_data = validated_data.pop('memberships')
        group = Group.objects.create(**validated_data)
        for person in person_data:
            d=dict(person)
            Membership.objects.create(group=group, person=d['person'])
        return group

    def update(self, instance, validated_data):
        person_data = validated_data.pop('memberships')
        for item in validated_data:
            if Group._meta.get_field(item):
                setattr(instance, item, validated_data[item])
        Membership.objects.filter(group=instance).delete()
        for person in person_data:
            d=dict(person)
            Membership.objects.create(group=instance, person=d['person'])
        instance.save()
        return instance

    class Meta:
        model = Group

class GroupCreateModelViewSet(ModelViewSet):
    serializer_class = GroupCreateSerializer
    queryset = Group.objects.all()

Source: stackoverflow.com

Similar codes

0 vote379 views1 answer
Sqlalchemy filter getattr
Python
0 vote327 views1 answer
"Token" is not defined Pylance
Python
13 votes322 views6 answers
Sort list python
Python
7 votes330 views2 answers
Python opencv imresize
Python
-2 votes409 views4 answers
Django form datepicker
Python
0 vote268 views1 answer
Django cache
Python Django
0 vote335 views1 answer
How to get date in numbers using python
Python
0 vote352 views1 answer
Doomsday fuel foobar
Python
9 votes329 views5 answers
Threading python
Python
0 vote337 views1 answer
Load a Dictionary from File in Python Using the Load Function of the pickle Module
Python