nkonin

from __future__ import unicode_literals
from sys import getsizeof, stderr
from itertools import chain
from collections import deque
try:
    from reprlib import repr
except ImportError:
    pass

def total_size(o, handlers={}, verbose=False):

nkonin

from django.core import serializers
data = serializers.serialize("json", [model_instance])

with open("file", mode="w") as f:
  f.write(data)