python os模块无法识别〜作为用户主目录的快捷方式
[英]python os module does not recognize ~ as shortcut for the user home directory
问题描述
I want my python script to change to a new directory using ~ as a shortcut for the home directory (so I can use the script on several different computers with different home directory names): 
我希望我的python脚本使用〜作为主目录的快捷方式更改为新目录（因此我可以在具有不同主目录名称的几台不同计算机上使用该脚本）：
os.chdir('~/google_drive/2014-11-05-QiimeAnalysis/quality_filtering/)
This, however generates an error. 然而，这会产生错误。 Python doesn't seem to be able to recognize ~: Python似乎无法识别〜：
FileNotFoundError: [Errno 2] No such file or directory: '~/google_drive/2014-11-05-QiimeAnalysis/quality_filtering/'
Why does this happen and is there a way around it? 为什么会发生这种情况并且有办法绕过它？ I have python 3.4 on OsX Yosemite. 我在OsX Yosemite上有python 3.4。
1 个解决方案
解决方案1
7 已采纳 2014-11-10 19:12:24
您必须使用os.path.expanduser将~扩展为实际路径：
os.chdir(os.path.expanduser('~/google_drive/2014-11-05-QiimeAnalysis/quality_filtering/'))
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