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 vote241 views1 answer
Sum values in django models
Python Django
0 vote193 views1 answer
Django allauth Reverse for 'password_reset_confirm' not found. 'password_reset_confirm' is not a valid view function or pattern name.
Python Django
0 vote192 views1 answer
Where to import messages in django
Python Django
5 votes197 views4 answers
Get user django
Python Django
2 votes211 views1 answer
Django template tag to display current year
Python Django
3 votes198 views1 answer
Django admin prefetch_related
Python Django
1 vote193 views1 answer
What is serialization in django
Python Django
3 votes168 views1 answer
Django flush
Python Django
25 votes246 views3 answers
Startapp django
Python Django
0 vote190 views1 answer
Get list of all document in django-elasticsearch-dsl
Python Django