Comments (9)
Would it be safe for me to add in my code the following snippet in the _ObjectProxyMethods
as a temporary fix?
@property
def __weakref__( self ):
return self.__wrapped__.__weakref__
@__weakref__.setter
def __weakref__( self, value ):
self.__wrapped__.__weakref__ = value
from wrapt.
I don't have time right this second to look at what you are suggesting properly, but can you use:
inspect.getmembers(Class.__wrapped__)
When decorating a class, because it replaces the class type with a wrapper, it is necessary in certain cases to use the __wrapped__
attribute to get back the original class type.
from wrapt.
Thanks! I actually figured that out just after posting but for now I'll keep the previous workaround to see if it ends up breaking somewhere. So far so good!
from wrapt.
I can't reproduce this in Python 2.7.2. The code of inspect.getmembers() is the same for 2.7.2 and 2.7.5.
What version of wrapt is this with? I tried the last official release and my working copy.
from wrapt.
Ah, weird. I've just recloned the latest version of wrapt
from the branch master
to give it another go and I've still got the issue. It also happens in Python 2.6.8.
from wrapt.
It only happens when not using the C extension speedups. When you installed wrapt, you must have only managed to install the pure Python wrappers somehow.
Anyway, know how to duplicate now.
from wrapt.
I would probably say it is safer to have just:
@property
def __weakref__(self):
return self.__wrapped__.__weakref__
I don't think that a weakref attribute should be assignable from outside of the class.
from wrapt.
Thanks!
from wrapt.
Fixed in version 1.9.0.
$ cat t.py
import inspect
import wrapt
@wrapt.decorator
def pass_through(wrapped, instance, args, kwargs):
return wrapped(*args, **kwargs)
@pass_through
class Class(object):
pass
for name, item in inspect.getmembers( Class ):
print( item )
$ python t.py
<type 'type'>
<method-wrapper '__delattr__' of FunctionWrapper object at 0x10c9b4738>
{'__dict__': <attribute '__dict__' of 'Class' objects>, '__module__': '__main__', '__weakref__': <attribute '__weakref__' of 'Class' objects>, '__doc__': None}
None
<built-in method __format__ of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__getattribute__' of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__hash__' of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__init__' of FunctionWrapper object at 0x10c9b4738>
__main__
<built-in method __new__ of type object at 0x10cb08b70>
<built-in method __reduce__ of FunctionWrapper object at 0x10c9b4738>
<built-in method __reduce_ex__ of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__repr__' of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__setattr__' of FunctionWrapper object at 0x10c9b4738>
<built-in method __sizeof__ of FunctionWrapper object at 0x10c9b4738>
<method-wrapper '__str__' of FunctionWrapper object at 0x10c9b4738>
<built-in method __subclasshook__ of type object at 0x10cb08f78>
<attribute '__weakref__' of 'Class' objects>
from wrapt.
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from wrapt.