def get_users(self, channel=None):
        """get list of users and channel access information (helper)

        :param channel: number [1:7]

        :return:
            name: (str)
            uid: (int)
            channel: (int)
            access:
                callback (bool)
                link_auth (bool)
                ipmi_msg (bool)
                privilege_level: (str)[callback, user, operatorm administrator,
                                       proprietary, no_access]
        """
        if channel is None:
            channel = self.get_network_channel()
        names = {}
        max_ids = self.get_channel_max_user_count(channel)
        for uid in range(1, max_ids + 1):
            name = self.get_user_name(uid=uid)
            if name is not None:
                names[uid] = self.get_user(uid=uid, channel=channel)
        return names
get list of users and channel access information (helper)

        :param channel: number [1:7]

        :return:
            name: (str)
            uid: (int)
            channel: (int)
            access:
                callback (bool)
                link_auth (bool)
                ipmi_msg (bool)
                privilege_level: (str)[callback, user, operatorm administrator,
                                       proprietary, no_access]