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 vote244 views1 answer
Django model get field verbose name
Python Django
6 votes229 views1 answer
How to create migrations in django
Python Django
0 vote206 views1 answer
Redis in django channels
Python Django
1 vote190 views1 answer
Django template decimal places
Python Django
0 vote217 views1 answer
How to query json field django
Python Django
1 vote251 views1 answer
Add search field to django admin
Python Django
0 vote163 views1 answer
HTTP Error 403: Forbidden django account signup email
Python Django
0 vote226 views3 answers
Removing duplicates from django models data
Python Django
1 vote168 views1 answer
Make column nullable django
Python Django
2 votes233 views1 answer
Database default code in settings django
Python Django