b4bac0f7a0
* Remove unnecessary exception re-wraps * Preserve exception chains on re-raise We slap "from cause" to almost all possible cases here. In some cases it could conceivably be better to do "from None" if we really want to hide the cause. However those should be in the minority, and "from cause" should be an improvement over the corresponding raise without a "from" in all cases anyway. The only case where we raise from None here is in plex, where the exception for an original invalid SSL cert is not the root cause for failure to validate a newly fetched one. Follow local convention on exception variable names if there is a consistent one, otherwise `err` to match with majority of codebase. * Fix mistaken re-wrap in homematicip_cloud/hap.py Missed the difference between HmipConnectionError and HmipcConnectionError. * Do not hide original error on plex new cert validation error Original is not the cause for the new one, but showing old in the traceback is useful nevertheless.
119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
"""Support for Niko Home Control."""
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from datetime import timedelta
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import logging
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import nikohomecontrol
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import voluptuous as vol
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# Import the device class from the component that you want to support
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from homeassistant.components.light import ATTR_BRIGHTNESS, PLATFORM_SCHEMA, LightEntity
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from homeassistant.const import CONF_HOST
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from homeassistant.exceptions import PlatformNotReady
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import homeassistant.helpers.config_validation as cv
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from homeassistant.util import Throttle
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_LOGGER = logging.getLogger(__name__)
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MIN_TIME_BETWEEN_UPDATES = timedelta(seconds=1)
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SCAN_INTERVAL = timedelta(seconds=30)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_HOST): cv.string})
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the Niko Home Control light platform."""
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host = config[CONF_HOST]
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try:
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nhc = nikohomecontrol.NikoHomeControl(
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{"ip": host, "port": 8000, "timeout": 20000}
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)
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niko_data = NikoHomeControlData(hass, nhc)
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await niko_data.async_update()
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except OSError as err:
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_LOGGER.error("Unable to access %s (%s)", host, err)
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raise PlatformNotReady from err
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async_add_entities(
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[NikoHomeControlLight(light, niko_data) for light in nhc.list_actions()], True
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)
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class NikoHomeControlLight(LightEntity):
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"""Representation of an Niko Light."""
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def __init__(self, light, data):
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"""Set up the Niko Home Control light platform."""
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self._data = data
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self._light = light
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self._unique_id = f"light-{light.id}"
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self._name = light.name
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self._state = light.is_on
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self._brightness = None
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@property
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def unique_id(self):
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"""Return unique ID for light."""
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return self._unique_id
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@property
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def name(self):
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"""Return the display name of this light."""
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return self._name
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@property
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def brightness(self):
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"""Return the brightness of the light."""
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return self._brightness
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@property
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def is_on(self):
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"""Return true if light is on."""
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return self._state
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def turn_on(self, **kwargs):
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"""Instruct the light to turn on."""
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self._light.brightness = kwargs.get(ATTR_BRIGHTNESS, 255)
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_LOGGER.debug("Turn on: %s", self.name)
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self._light.turn_on()
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def turn_off(self, **kwargs):
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"""Instruct the light to turn off."""
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_LOGGER.debug("Turn off: %s", self.name)
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self._light.turn_off()
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async def async_update(self):
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"""Get the latest data from NikoHomeControl API."""
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await self._data.async_update()
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self._state = self._data.get_state(self._light.id)
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class NikoHomeControlData:
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"""The class for handling data retrieval."""
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def __init__(self, hass, nhc):
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"""Set up Niko Home Control Data object."""
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self._nhc = nhc
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self.hass = hass
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self.available = True
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self.data = {}
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self._system_info = None
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@Throttle(MIN_TIME_BETWEEN_UPDATES)
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async def async_update(self):
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"""Get the latest data from the NikoHomeControl API."""
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_LOGGER.debug("Fetching async state in bulk")
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try:
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self.data = await self.hass.async_add_executor_job(
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self._nhc.list_actions_raw
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)
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self.available = True
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except OSError as ex:
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_LOGGER.error("Unable to retrieve data from Niko, %s", str(ex))
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self.available = False
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def get_state(self, aid):
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"""Find and filter state based on action id."""
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for state in self.data:
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if state["id"] == aid:
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return state["value1"] != 0
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_LOGGER.error("Failed to retrieve state off unknown light")
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