How can I tell if a given method is a classmethod or instancemethod in Python?

Checking to see if m.im_self is the class works some of the time but doesn't seem开发者_Go百科 to be 100% reliable (ex. if you use multiple decorators on a method.)

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If it's a bound method on the class then it's a classmethod.

from inspect import ismethod, isclass
def isclassmethod( m ):
 return ismethod(m) and isclass(m.__self__)