state.py 文件源码

def extract_address():
    #tb = traceback.extract_stack()
    # print()
    # for t in tb:
    #     print(t[0], t[1], t[2], t[3])
    #frame = tb[-3]
    # return '{0}/{1}/{2}'.format(frame[1], frame[2], frame[3])
    #return '{0}/{1}'.format(frame[1], frame[2])
    # Retun an address in the format:
    # 'instruction pointer' / 'qualified function name'
    frame = sys._getframe(2)
    ip = frame.f_lasti
    names = []
    var_name = _extract_target_of_assignment()
    if var_name is not None:
        names.append(var_name)
    while frame is not None:
        n = frame.f_code.co_name
        if n.startswith('<'): break
        names.append(n)
        if n == _current_function_name: break
        frame = frame.f_back
    return "{}/{}".format(ip, '.'.join(reversed(names)))