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

3 votes165 views2 answers
List vs tuple python
Python
0 vote165 views1 answer
Get every second elemnt of array matlab
Python
0 vote169 views1 answer
Remove alphabetic characters python
Python
7 votes179 views3 answers
Python pattern match
Python
0 vote192 views1 answer
Add header info in django response
Python Django
0 vote149 views1 answer
Who is bayceee roblox id
Python
2 votes174 views1 answer
Python private variables
Python
0 vote175 views1 answer
Python jinja2 from string
Python
2 votes165 views2 answers
Python dataframe get numeric columns
Python
1 vote220 views1 answer
Python dont exit script after print
Python