How to use the pywebostv.controls.WebOSControlBase function in pywebostv

uid = str(uuid4())
            self.subscriptions[name] = uid
            self.client.subscribe(cmd_info["uri"], uid, callback_wrapper)
        return request_func

    def unsubscribe(self, name, cmd_info):
        def request_func():
            uid = self.subscriptions.get(name)
            if not uid:
                raise ValueError("Not subscribed.")
            self.client.unsubscribe(uid)
            del self.subscriptions[name]
        return request_func


class MediaControl(WebOSControlBase):
    COMMANDS = {
        "volume_up": {"uri": "ssap://audio/volumeUp"},
        "volume_down": {"uri": "ssap://audio/volumeDown"},
        "get_volume": {
            "uri": "ssap://audio/getVolume",
            "validation": standard_validation,
            "subscription": True,
        },
        "set_volume": {
            "uri": "ssap://audio/setVolume",
            "args": [int],
            "payload": {"volume": arguments(0)}
        },
        "mute": {
            "uri": "ssap://audio/setMute",
            "args": [bool],

"payload": {"volume": arguments(0)}
        },
        "mute": {
            "uri": "ssap://audio/setMute",
            "args": [bool],
            "payload": {"mute": arguments(0)}
        },
        "play": {"uri": "ssap://media.controls/play"},
        "pause": {"uri": "ssap://media.controls/pause"},
        "stop": {"uri": "ssap://media.controls/stop"},
        "rewind": {"uri": "ssap://media.controls/rewind"},
        "fast_forward": {"uri": "ssap://media.controls/fastForward"},
     }


class TvControl(WebOSControlBase):
    COMMANDS = {
        "channel_down": {"uri": "ssap://tv/channelDown"},
        "channel_up": {"uri": "ssap://tv/channelUp"},
     }


class SystemControl(WebOSControlBase):
    COMMANDS = {
        "power_off": {"uri": "ssap://system/turnOff"},
        "info": {
            "uri": "ssap://com.webos.service.update/getCurrentSWInformation",
            "validation": standard_validation,
        },
        "notify": {
            "uri": "ssap://system.notifications/createToast",
            "args": [str],

class SystemControl(WebOSControlBase):
    COMMANDS = {
        "power_off": {"uri": "ssap://system/turnOff"},
        "info": {
            "uri": "ssap://com.webos.service.update/getCurrentSWInformation",
            "validation": standard_validation,
        },
        "notify": {
            "uri": "ssap://system.notifications/createToast",
            "args": [str],
            "payload": {"message": arguments(0)}
        }
    }


class ApplicationControl(WebOSControlBase):
    COMMANDS = {
        "list_apps": {
            "uri": "ssap://com.webos.applicationManager/listApps",
            "args": [],
            "kwargs": {},
            "payload": {},
            "validation": standard_validation,
            "return": lambda payload: [Application(x) for x in payload["apps"]]
        },
        "launch": {
            "uri": "ssap://system.launcher/launch",
            "args": [Application],
            "kwargs": {"content_id": str, "params": dict},
            "payload": {
                "id": arguments(0, postprocess=lambda app: app["id"]),
                "contentId": arguments("content_id", default=None),

"play": {"uri": "ssap://media.controls/play"},
        "pause": {"uri": "ssap://media.controls/pause"},
        "stop": {"uri": "ssap://media.controls/stop"},
        "rewind": {"uri": "ssap://media.controls/rewind"},
        "fast_forward": {"uri": "ssap://media.controls/fastForward"},
     }


class TvControl(WebOSControlBase):
    COMMANDS = {
        "channel_down": {"uri": "ssap://tv/channelDown"},
        "channel_up": {"uri": "ssap://tv/channelUp"},
     }


class SystemControl(WebOSControlBase):
    COMMANDS = {
        "power_off": {"uri": "ssap://system/turnOff"},
        "info": {
            "uri": "ssap://com.webos.service.update/getCurrentSWInformation",
            "validation": standard_validation,
        },
        "notify": {
            "uri": "ssap://system.notifications/createToast",
            "args": [str],
            "payload": {"message": arguments(0)}
        }
    }


class ApplicationControl(WebOSControlBase):
    COMMANDS = {

self.mouse_ws = self.ws_class(sock_path)
        self.mouse_ws.connect()

    def disconnect_input(self):
        self.mouse_ws.close()

    def exec_mouse_command(self, cmd_name, cmd_info):
        def request_func(*args, **kwargs):
            params = process_payload(cmd_info["command"], *args, **kwargs)
            payload = "\n".join(":".join(str(y) for y in x) for x in params)
            payload += "\n\n"
            self.mouse_ws.send(payload)
        return request_func


class SourceControl(WebOSControlBase):
    COMMANDS = {
        "list_sources": {
            "uri": "ssap://tv/getExternalInputList",
            "args": [],
            "kwargs": {},
            "payload": {},
            "validation": standard_validation,
            "return": lambda p: [InputSource(x) for x in p["devices"]],
        },
        "set_source": {
            "uri": "ssap://tv/switchInput",
            "args": [InputSource],
            "kwargs": {},
            "payload": {
                "inputId": arguments(0, postprocess=lambda inp: inp["id"]),
            },

"payload": {},
            "validity": lambda p: p.pop("returnValue"),
            "return": lambda p: p["appId"],
            "subscription": True,
        },
        "close": {
            "uri": "ssap://system.launcher/close",
            "args": [dict],
            "kwargs": {},
            "payload": arguments(0),
            "validation": standard_validation,
        }
    }


class InputControl(WebOSControlBase):
    COMMANDS = {
        "type": {
            "uri": "ssap://com.webos.service.ime/insertText",
            "args": [str],
            "payload": {"text": arguments(0), "replace": 0}
        },
        "delete": {
            "uri": "ssap://com.webos.service.ime/deleteCharacters",
            "args": [int],
            "payload": {"count": arguments(0)}
        },
        "enter": {"uri": "ssap://com.webos.service.ime/sendEnterKey"},
    }

    INPUT_COMMANDS = {
        "move": {