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 vote364 views1 answer
How do i get auth user model dynamically in django?
Python Django
30 votes454 views3 answers
Django create superuser from script
Python Django
6 votes334 views3 answers
Django filter install
Python Django
0 vote332 views1 answer
Set defualt to none django
Python Django
0 vote372 views1 answer
Difference between __gte and __lte in Django
Python Django
0 vote332 views1 answer
Django.db.backends.mysql install
Python Django
1 vote367 views1 answer
How to check the django version on a mac
Python Django
-2 votes325 views4 answers
Django form datepicker
Python Django
4 votes322 views2 answers
Change django admin title
Python Django
1 vote363 views1 answer
Django model query join
Python Django