id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
20212	Error pickling SimpleLazyObject	Iru Hwang <iru@…>	daniellindsley	"Pickling SimpleLazyObject doesn't seem to work.
I've noticed that new classmethod ""__newobj__"" is added in 1.5 but seems it prevents the object from pickling.
This affects some cases when request.user needs to be pickled.

{{{
>>> from django.utils.functional import SimpleLazyObject
>>> from django.contrib.auth.models import User
>>> u = User.objects.all()[0]
>>> s = SimpleLazyObject(lambda: u)
>>> import pickle
>>> pickle.dumps(s)
Traceback (most recent call last):
  File ""<stdin>"", line 1, in <module>
  File ""/usr/lib/python2.7/pickle.py"", line 1374, in dumps
    Pickler(file, protocol).dump(obj)
  File ""/usr/lib/python2.7/pickle.py"", line 224, in dump
    self.save(obj)
  File ""/usr/lib/python2.7/pickle.py"", line 331, in save
    self.save_reduce(obj=obj, *rv)
  File ""/usr/lib/python2.7/pickle.py"", line 400, in save_reduce
    save(func)
  File ""/usr/lib/python2.7/pickle.py"", line 306, in save
    rv = reduce(self.proto)
  File ""/usr/lib/python2.7/copy_reg.py"", line 70, in _reduce_ex
    raise TypeError, ""can't pickle %s objects"" % base.__name__
TypeError: can't pickle instancemethod objects
>>> 
}}}"	Bug	closed	Core (Serialization)	1.5	Release blocker	fixed		iru@… bmispelon@… daniellindsley	Accepted	1	0	1	1	0	0