python内省没有显示Lock的功能

你这样做是错的. threading.Lock不是一个对象.

>>> import threading
>>> threading.Lock

>>> type(threading.Lock)

>>> x=threading.Lock()
>>> type(x)

>>> dir(x)
['__enter__', '__exit__', 'acquire', 'acquire_lock', 'locked', 'locked_lock', 'release', 'release_lock']
>>>