Python inspect example

#!/usr/bin/env python

import inspect

def info(msg):
    frm = inspect.stack()[1]
    mod = inspect.getmodule(frm[0])
    print '[%s] %s' % (mod.__name__, msg)

def call_a():
    info('from call_a')

def call_b():
    info('from call_b')

if __name__ == '__main__':
    call_a()
    call_b()