get caller func name

caller_func.py

from __future__ import print_function
import inspect


def fn():
    return inspect.stack()[1][3]


class Example(object):

    @classmethod
    def get_classmethod_call(cls):
        print(fn(), cls)

    def get_method_call(self):
        print(fn(), self)

    def get(self):
        print(fn())
        self.get_method_call()
        self.get_classmethod_call()


if __name__ == '__main__':

    # standard
    Example.get_classmethod_call()

    # lesser standard but still valid
    Example().get_classmethod_call()

    # standard
    Example().get_method_call()

    # calls both classmethod and method
    Example().get()

    # invalid
    # Example.get_method_call()