>>> 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'>
如果你使用的 python3 那方法就多了,详细请看下面: E& k) J, {* |: y1 |. y" v0 G, C' l
重载模块方法二1 v* ^7 I7 \ V, `. M
如果你使用 Python3.0 -> 3.3,那么可以使用 imp.reload 方法, E( I: N: G2 B* `' C
>>> 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 3 O' U1 p0 [5 s* k# R1 t& n C 如果你对包的加载器有所了解,还可以使用下面的方法 $ A# @" n7 F: V1 f
>>> 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 5 N4 B3 N% X& h2 V 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? `1 z8 p& k/ }* b) y& |* p