utils.py 文件源码

def get_current_os_user():
    """
    Find the real user who runs the current process. Return a tuple of uid, username, homedir.
    :rtype: (int, str, str, int)
    """
    user_name = os.getenv('SUDO_USER')
    if not user_name:
        user_name = os.getenv('USER')
    if user_name:
        pw = getpwnam(user_name)
        user_uid = pw.pw_uid
    else:
        # If cannot find the user, use ruid instead.
        user_uid = os.getresuid()[0]
        pw = getpwuid(user_uid)
        user_name = pw.pw_name
    user_gid = pw.pw_gid
    user_home = pw.pw_dir
    return user_uid, user_name, user_home, user_gid