获取定义方法的类 [英] Get class that defined method

问题描述

如何获取在 Python 中定义方法的类?

How can I get the class that defined a method in Python?

我希望以下示例打印__main__.FooClass":

I'd want the following example to print "__main__.FooClass":

class FooClass:
    def foo_method(self):
        print "foo"

class BarClass(FooClass):
    pass

bar = BarClass()
print get_class_that_defined_method(bar.foo_method)

推荐答案

import inspect

def get_class_that_defined_method(meth):
    for cls in inspect.getmro(meth.im_class):
        if meth.__name__ in cls.__dict__: 
            return cls
    return None

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