gistfile1.txt

import gc
import sys

def giveupthefunc():
    code = sys._getframe(1).f_code
    functype = type(lambda: 0)

    for func in gc.get_referrers(code):
        if type(func) is functype and getattr(func, "func_code", None) is code:
            return func


def makefunc():
    def func():
        return giveupthefunc()
    return func

funcs = [makefunc() for _ in xrange(10)]

for f in funcs:
    print "id(f): {0}, id(f()): {1}".format(id(f), id(f()))