Python_API_File and Directory Access_os.path.expanduser

最新推荐文章于 2023-07-27 16:42:47 发布

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#api #python #access #file #user #windows

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本文介绍了在Unix和Windows系统中如何使用API进行路径展开操作，详细解释了如何将包含波浪线（~）的路径转换为实际的用户主目录路径。无论是在Unix还是Windows环境下，文章都提供了具体的实现方式及示例代码。

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API文档：

On Unix and Windows, return the argument with an initial component of ~ or ~user replaced by that user‘s home directory.

On Unix, an initial ~ is replaced by the environment variable HOME if it is set; otherwise the current user’s home directory is looked up in the password directory through the built-in module pwd. An initial ~user is looked up directly in the password directory.

On Windows, HOME and USERPROFILE will be used if set, otherwise a combination of HOMEPATH and HOMEDRIVE will be used. An initial ~user is handled by stripping the last directory component from the created user path derived above.

If the expansion fails or if the path does not begin with a tilde, the path is returned unchanged.

文档翻译：

在Unix和Windows，~返回用户主目录

如果参数为~标示用户主目录，否则返回参数字符串的目录

例子：

import os

print os.path.expanduser('~')
print os.path.expanduser('c:\\')

输出：

C:\Users\lyle2000w
c:\