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How to use _open_channel method in autotest

Best Python code snippet using autotest_python

velbus.py

Source:velbus.py

1"""2Support for Velbus covers.3For more details about this platform, please refer to the documentation at4https://home-assistant.io/components/cover.velbus/5"""6import logging7import time8import voluptuous as vol9from homeassistant.components.cover import (10    CoverDevice, PLATFORM_SCHEMA, SUPPORT_OPEN, SUPPORT_CLOSE,11    SUPPORT_STOP)12from homeassistant.components.velbus import DOMAIN13from homeassistant.const import (CONF_COVERS, CONF_NAME)14import homeassistant.helpers.config_validation as cv15_LOGGER = logging.getLogger(__name__)16COVER_SCHEMA = vol.Schema({17    vol.Required('module'): cv.positive_int,18    vol.Required('open_channel'): cv.positive_int,19    vol.Required('close_channel'): cv.positive_int,20    vol.Required(CONF_NAME): cv.string21})22PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({23    vol.Required(CONF_COVERS): vol.Schema({cv.slug: COVER_SCHEMA}),24})25DEPENDENCIES = ['velbus']26def setup_platform(hass, config, add_entities, discovery_info=None):27    """Set up cover controlled by Velbus."""28    devices = config.get(CONF_COVERS, {})29    covers = []30    velbus = hass.data[DOMAIN]31    for device_name, device_config in devices.items():32        covers.append(33            VelbusCover(34                velbus,35                device_config.get(CONF_NAME, device_name),36                device_config.get('module'),37                device_config.get('open_channel'),38                device_config.get('close_channel')39            )40        )41    if not covers:42        _LOGGER.error("No covers added")43        return False44    add_entities(covers)45class VelbusCover(CoverDevice):46    """Representation a Velbus cover."""47    def __init__(self, velbus, name, module, open_channel, close_channel):48        """Initialize the cover."""49        self._velbus = velbus50        self._name = name51        self._close_channel_state = None52        self._open_channel_state = None53        self._module = module54        self._open_channel = open_channel55        self._close_channel = close_channel56    async def async_added_to_hass(self):57        """Add listener for Velbus messages on bus."""58        def _init_velbus():59            """Initialize Velbus on startup."""60            self._velbus.subscribe(self._on_message)61            self.get_status()62        await self.hass.async_add_job(_init_velbus)63    def _on_message(self, message):64        import velbus65        if isinstance(message, velbus.RelayStatusMessage):66            if message.address == self._module:67                if message.channel == self._close_channel:68                    self._close_channel_state = message.is_on()69                    self.schedule_update_ha_state()70                if message.channel == self._open_channel:71                    self._open_channel_state = message.is_on()72                    self.schedule_update_ha_state()73    @property74    def supported_features(self):75        """Flag supported features."""76        return SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_STOP77    @property78    def should_poll(self):79        """Disable polling."""80        return False81    @property82    def name(self):83        """Return the name of the cover."""84        return self._name85    @property86    def is_closed(self):87        """Return if the cover is closed."""88        return self._close_channel_state89    @property90    def current_cover_position(self):91        """Return current position of cover.92        None is unknown.93        """94        return None95    def _relay_off(self, channel):96        import velbus97        message = velbus.SwitchRelayOffMessage()98        message.set_defaults(self._module)99        message.relay_channels = [channel]100        self._velbus.send(message)101    def _relay_on(self, channel):102        import velbus103        message = velbus.SwitchRelayOnMessage()104        message.set_defaults(self._module)105        message.relay_channels = [channel]106        self._velbus.send(message)107    def open_cover(self, **kwargs):108        """Open the cover."""109        self._relay_off(self._close_channel)110        time.sleep(0.3)111        self._relay_on(self._open_channel)112    def close_cover(self, **kwargs):113        """Close the cover."""114        self._relay_off(self._open_channel)115        time.sleep(0.3)116        self._relay_on(self._close_channel)117    def stop_cover(self, **kwargs):118        """Stop the cover."""119        self._relay_off(self._open_channel)120        time.sleep(0.3)121        self._relay_off(self._close_channel)122    def get_status(self):123        """Retrieve current status."""124        import velbus125        message = velbus.ModuleStatusRequestMessage()126        message.set_defaults(self._module)127        message.channels = [self._open_channel, self._close_channel]...

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