>>> from foo import bar
successful to be imported
>>> from foo import bar
>>>
>>> reload(bar)
successful to be imported
<module 'foo.bar' from 'foo/bar.pyc'>
>>> from foo import bar
successful to be imported
>>> from foo import bar
>>>
>>> import imp
>>> imp.reload(bar)
successful to be imported
<module 'foo.bar' from '/Users/MING/Code/Python/foo/bar.py'>
>>> from foo import bar
successful to be imported
>>> from foo import bar
>>>
>>> import importlib
>>> importlib.reload(bar)
successful to be imported
<module 'foo.bar' from '/Users/MING/Code/Python/foo/bar.py'>
重载模块方法四 4 r1 E, l% v4 L+ v 如果你对包的加载器有所了解,还可以使用下面的方法' ^$ T# |7 o% K$ L
>>> from foo import bar
successful to be imported
>>> from foo import bar
>>>
>>> bar.__spec__.loader.load_module()
successful to be imported
<module 'foo.bar' from '/Users/MING/Code/Python/foo/bar.py'>
重载模块方法五 4 X6 D! B! q$ I1 K2 Y, Z3 P 既然影响我们重复导入的是 sys.modules,那我们只要将已导入的包从其中移除是不是就好了呢? ( u* E& ?& F' _: F% Y