Django snippet 800

from django.core.serializers.json import DjangoJSONEncoder
from django.db.models.query import QuerySet

def maybe_call(x):
    if callable(x): return x()
    return x


class JSONEncoder(DjangoJSONEncoder):
    '''An extended JSON encoder to handle some additional cases.

    The Django encoder already deals with date/datetime objects.
    Additionally, this encoder uses an 'as_dict' or 'as_list' attribute or
    method of an object, if provided. It also makes lists from QuerySets.
    '''
    def default(self, obj):
        if hasattr(obj, 'as_dict'):
            return maybe_call(obj.as_dict)
        elif hasattr(obj, 'as_list'):
            return maybe_call(obj.as_list)
        elif isinstance(obj, QuerySet):
            return list(obj)
        return super(JSONEncoder, self).default(obj)
json_encode = JSONEncoder().encode

Source: djangosnippets.org

Similar codes

0 vote208 views1 answer
How to work with django ornm __in
Python Django
23 votes364 views2 answers
Flask or django
Python Django
0 vote215 views6 answers
Python django
Python Django
3 votes205 views1 answer
Django admin prefetch_related
Python Django
0 vote221 views1 answer
Connectionrefusederror at /accounts/signup/ django allauth
Python Django
1 vote227 views1 answer
No such table: django_session admin
Python Django
6 votes237 views2 answers
Django read mesage
Python Django
1 vote224 views1 answer
Display data from database in django
Python Django
0 vote207 views1 answer
Modules django
Python Django
0 vote224 views1 answer
Django action when create model
Python Django