How to find instance of a bound method in Python?
>>> class A(object):
... def some(self):
... pass
...
>>> a=A()
>>> a.some
<bound method A.some of <__main__.A object at 0x7f0d6fb9c090>>
IOW, I need to get access to "a" after being handed over only "a.some".
Starting python 2.6 you can use special attribute __self__
:
>>> a.some.__self__ is a
True
im_self
is phased out in py3k.
For details, see the inspect
module in the Python Standard Library.
>>> class A(object):
... def some(self):
... pass
...
>>> a = A()
>>> a
<__main__.A object at 0x7fa9b965f410>
>>> a.some
<bound method A.some of <__main__.A object at 0x7fa9b965f410>>
>>> dir(a.some)
['__call__', '__class__', '__cmp__', '__delattr__', '__doc__', '__format__', '__func__', '__get__', '__getattribute__', '__hash__', '__init__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__self__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'im_class', 'im_func', 'im_self']
>>> a.some.im_self
<__main__.A object at 0x7fa9b965f410>