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

7 votes295 views3 answers
How to delete migrations in django
Python Django
0 vote320 views1 answer
No module named 'bootstrap4' django
Python Django
0 vote269 views1 answer
Django update request.post
Python Django
0 vote297 views2 answers
Django get superuser password
Python Django
0 vote288 views1 answer
Difference in django project view and app view
Python Django
0 vote290 views1 answer
Django x-frame-options allowall
Python Django
0 vote265 views1 answer
Django auth user model
Python Django
30 votes375 views3 answers
Django create superuser from script
Python Django
0 vote299 views1 answer
Django sesssion can't works when web app call inside an iframe from other website
Python Django
0 vote225 views12 answers
Installez django-cruds-adminlte
Python Django