host.py 文件源码

def add_group(group_name, system_group=False, gid=None):
    """Add a group to the system

    Will log but otherwise succeed if the group already exists.

    :param str group_name: group to create
    :param bool system_group: Create system group
    :param int gid: GID for user being created

    :returns: The password database entry struct, as returned by `grp.getgrnam`
    """
    try:
        group_info = grp.getgrnam(group_name)
        log('group {0} already exists!'.format(group_name))
        if gid:
            group_info = grp.getgrgid(gid)
            log('group with gid {0} already exists!'.format(gid))
    except KeyError:
        log('creating group {0}'.format(group_name))
        add_new_group(group_name, system_group, gid)
        group_info = grp.getgrnam(group_name)
    return group_info