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

-1 vote138 views1 answer
What is admin.tabularinline django
Python Django
-1 vote129 views2 answers
Django connection cursor
Python Django
0 vote134 views1 answer
Filter startswith django
Python Django
0 vote144 views1 answer
How to create api for get data in django rest framework
Python Django
0 vote132 views1 answer
Django BruteBuster error failed attempts
Python Django
5 votes132 views4 answers
If queryset is empty django
Python Django
0 vote123 views1 answer
Check django version in your system
Python Django
1 vote132 views1 answer
Django ckeditor not working
Python Django
4 votes150 views1 answer
What is cleaned data in django
Python Django
5 votes131 views2 answers
Get_object_or_404 django
Python Django