OS库简单介绍

os

>>> import os
>>> os.getcwd()
'C:\Users\Administrator'

>>> os.getenv('PATH')
'D:\Python37\Scripts\;D:\Python37\;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Program Files (x86)\AMD\ATI.ACE\Core-Static;D:\Soft\Microsoft VS Code\bin;D:\Python37\Lib\site-packages;D:\Soft\Git\cmd;D:\Soft\Nodejs;D:\Soft\Nodejs\node_global;C:\Users\Administrator\AppData\Roaming\npm;D:\Python37\lib\site-packages\pywin32_system32'

>>> os.fspath('C:\Users\Administrator\Desktop\1.png')
'C:\Users\Administrator\Desktop
.png'

>>> os.get_terminal_size()
os.terminal_size(columns=80, lines=30)
# 将控制台拉大一点
>>> os.get_terminal_size()
os.terminal_size(columns=80, lines=31)

>>> os.mkdir('testOS')
>>> os.listdir()
['testOS', 'Videos', 'VirtualBox VMs', '「开始」菜单']

os.rmdir('testOS')
>>> os.listdir()
['Videos', 'VirtualBox VMs', '「开始」菜单']

>>> os.path.isfile('testOS')
False
>>> os.path.isdir('testOS')
True

>>> os.times()
nt.times_result(user=0.1092007, system=0.2028013, children_user=0.0, children_system=0.0, elapsed=0.0)

>>> os.getlogin()
'Administrator'

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os

os

Linux