env.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import inspect

def ulocals(n):
    frame = inspect.stack()[n][0]
    return frame.f_locals

def uglobals(n):
    frame = inspect.stack()[n][0]
    return frame.f_globals 

class Foo(object):
    def __init__(self, locals=None, globals=None):
        self.locals = locals or ulocals(2)
        self.globals = globals or uglobals(2)

    def __call__(self):
        print self.locals
        #print self.globals

def main():
    value = 'local variable'
    f = Foo()
    f()

if __name__ == '__main__':
    main()