python中reload用法实例

与from和import相比,reload是内置函数,而不是语句，下面这篇文章主要给大家介绍了关于python中reload(module)用法的相关资料，文中给出了详细的示例代码供大家参考学习，需要的朋友们下面来一起看看吧。

>>> from imp 
>>> imp.reload(module) 

>>> from imp import reload 
>>> reload(module) 

>>> from recommendation import critics 
Traceback (most recent call last): 
 File "<pyshell#7>", line 1, in <module> 
 from recommendation import critics 
ImportError: No module named 'recommendation' 

>>> import sys 
>>> sys.path.append("C:\Python34\PCI_Code\chapter2") 

>>> from recommendations import critics 
>>> 

>>> from imp import reload 
>>> reload(recommendations) 
Traceback (most recent call last): 
 File "<pyshell#86>", line 1, in <module> 
 reload(recommendations) 
NameError: name 'recommendations' is not defined 

>>> from imp import reload 
>>> import recommendations 
>>> reload(recommendations) 
<module 'recommendations' from 'C:\\Python34\\PCI_Code\\chapter2\\recommendations.py'> 
>>> 

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