/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

1 vote268 views1 answer
Str replace python regex
Python
4 votes262 views3 answers
Csv to json
Python
0 vote247 views1 answer
How to return value in new record to odoo
Python
1 vote258 views1 answer
How to become python developer
Python
4 votes284 views4 answers
Whatsapp api
Python
0 vote252 views1 answer
No lapack/blas resources found scipy
Python
0 vote286 views1 answer
Python list iterate in 1 line
Python
0 vote296 views1 answer
Django command to fetch all columns of a table
Python Django
0 vote251 views1 answer
Traceback (most recent call last): File "c:\Users\asus\OneDrive\Documents\anak sekolah\pip\string formating\no8.py", line 1, in <module> f = open("demofile.txt","r") FileNotFoundError: [Errno 2] No such file or dir
Python
0 vote262 views1 answer
Python min date from dictionary
Python