lib_users.py 文件源码

def add_group(gname, gid=""):
    """
    Adds a group to /etc/group.
    Returns "" on success or the output if addgroup failed.
    """
    # It's not an error if the group already exists
    grps = grp.getgrall()
    for g in grps:
        if g.gr_name == gname:
            return ""

    cmdline = ["addgroup", gname]
    if gid != "":
        cmdline.extend(["--gid", gid])

    return run_command(cmdline)