103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
"""
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The homematic rollershutter platform.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/rollershutter.homematic/
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Important: For this platform to work the homematic component has to be
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properly configured.
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"""
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import logging
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from homeassistant.const import (STATE_OPEN, STATE_CLOSED, STATE_UNKNOWN)
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from homeassistant.components.rollershutter import RollershutterDevice,\
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ATTR_CURRENT_POSITION
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import homeassistant.components.homematic as homematic
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_LOGGER = logging.getLogger(__name__)
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DEPENDENCIES = ['homematic']
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def setup_platform(hass, config, add_callback_devices, discovery_info=None):
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"""Setup the platform."""
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if discovery_info is None:
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return
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return homematic.setup_hmdevice_discovery_helper(HMRollershutter,
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discovery_info,
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add_callback_devices)
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# pylint: disable=abstract-method
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class HMRollershutter(homematic.HMDevice, RollershutterDevice):
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"""Represents a Homematic Rollershutter in Home Assistant."""
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@property
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def current_position(self):
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"""
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Return current position of rollershutter.
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None is unknown, 0 is closed, 100 is fully open.
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"""
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if self.available:
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return int((1 - self._hm_get_state()) * 100)
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return None
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def move_position(self, **kwargs):
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"""Move the roller shutter to a specific position."""
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if self.available:
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if ATTR_CURRENT_POSITION in kwargs:
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position = float(kwargs[ATTR_CURRENT_POSITION])
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position = min(100, max(0, position))
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level = (100 - position) / 100.0
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self._hmdevice.set_level(level, self._channel)
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@property
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def state(self):
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"""Return the state of the rollershutter."""
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current = self.current_position
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if current is None:
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return STATE_UNKNOWN
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return STATE_CLOSED if current == 100 else STATE_OPEN
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def move_up(self, **kwargs):
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"""Move the rollershutter up."""
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if self.available:
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self._hmdevice.move_up(self._channel)
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def move_down(self, **kwargs):
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"""Move the rollershutter down."""
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if self.available:
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self._hmdevice.move_down(self._channel)
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def stop(self, **kwargs):
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"""Stop the device if in motion."""
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if self.available:
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self._hmdevice.stop(self._channel)
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def _check_hm_to_ha_object(self):
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"""Check if possible to use the HM Object as this HA type."""
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from pyhomematic.devicetypes.actors import Blind
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# Check compatibility from HMDevice
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if not super()._check_hm_to_ha_object():
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return False
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# Check if the homematic device is correct for this HA device
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if isinstance(self._hmdevice, Blind):
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return True
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_LOGGER.critical("This %s can't be use as rollershutter!", self._name)
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return False
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def _init_data_struct(self):
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"""Generate a data dict (self._data) from hm metadata."""
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super()._init_data_struct()
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# Add state to data dict
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self._state = "LEVEL"
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self._data.update({self._state: STATE_UNKNOWN})
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