Python 之getpass模块

woxio770

>>> user = getpass.getuser()　　
>>> print user
　　
root
　　
#This function checks the environment variables LOGNAME, USER, LNAME and USERNAME, in order, and returns the value of the first one which is set to a non-empty string. If none are set, the login name from the password database is returned on systems which support the pwd module, otherwise, an exception is raised
　　
#这个函数会按顺序检查环境变量：LOGNAME,USER,LNAME,USERNAME
　　
>>> import os
　　
>>> os.system('echo $LOGNAME')
　　
root
　　
0
　　
>>> os.system('echo $USER')
　　
root
　　
0
　　
>>> os.system('echo $LNAME')
　　
0