diff options
Diffstat (limited to 'django/utils')
| -rw-r--r-- | django/utils/functional.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/django/utils/functional.py b/django/utils/functional.py index 1bd2286728..183c24ced3 100644 --- a/django/utils/functional.py +++ b/django/utils/functional.py @@ -261,6 +261,16 @@ class SimpleLazyObject(LazyObject): else: return copy.deepcopy(self._wrapped, memo) + # Because we have messed with __class__ below, we confuse pickle as to what + # class we are pickling. It also appears to stop __reduce__ from being + # called. So, we define __getstate__ in a way that cooperates with the way + # that pickle interprets this class. This fails when the wrapped class is a + # builtin, but it is better than nothing. + def __getstate__(self): + if self._wrapped is empty: + self._setup() + return self._wrapped.__dict__ + # Need to pretend to be the wrapped class, for the sake of objects that care # about this (especially in equality tests) __class__ = property(new_method_proxy(operator.attrgetter("__class__"))) |