def get_caller_module_dict(levels):
    try:
        raise RuntimeError
    except RuntimeError:
        e,b,t = sys.exc_info()
        f = t.tb_frame
        while levels > 0:
            f = f.f_back                   
            levels -= 1
        ldict = f.f_globals.copy()
        if f.f_globals != f.f_locals:
            ldict.update(f.f_locals)

        return ldict