74 lines
2.6 KiB
Python
74 lines
2.6 KiB
Python
"""Support for the Environment Canada radar imagery."""
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from __future__ import annotations
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import voluptuous as vol
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from homeassistant.components.camera import PLATFORM_SCHEMA, Camera
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from homeassistant.const import CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.update_coordinator import CoordinatorEntity
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from . import trigger_import
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from .const import ATTR_OBSERVATION_TIME, CONF_STATION, DOMAIN
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CONF_LOOP = "loop"
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CONF_PRECIP_TYPE = "precip_type"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_LOOP, default=True): cv.boolean,
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vol.Optional(CONF_NAME): cv.string,
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vol.Optional(CONF_STATION): cv.matches_regex(r"^C[A-Z]{4}$|^[A-Z]{3}$"),
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vol.Inclusive(CONF_LATITUDE, "latlon"): cv.latitude,
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vol.Inclusive(CONF_LONGITUDE, "latlon"): cv.longitude,
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vol.Optional(CONF_PRECIP_TYPE): vol.In(["RAIN", "SNOW"]),
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}
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)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the Environment Canada camera."""
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lat = config.get(CONF_LATITUDE, hass.config.latitude)
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lon = config.get(CONF_LONGITUDE, hass.config.longitude)
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config[CONF_LATITUDE] = lat
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config[CONF_LONGITUDE] = lon
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trigger_import(hass, config)
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Add a weather entity from a config_entry."""
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coordinator = hass.data[DOMAIN][config_entry.entry_id]["radar_coordinator"]
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async_add_entities([ECCamera(coordinator)])
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class ECCamera(CoordinatorEntity, Camera):
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"""Implementation of an Environment Canada radar camera."""
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def __init__(self, coordinator):
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"""Initialize the camera."""
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super().__init__(coordinator)
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Camera.__init__(self)
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self.radar_object = coordinator.ec_data
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self._attr_name = f"{coordinator.config_entry.title} Radar"
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self._attr_unique_id = f"{coordinator.config_entry.unique_id}-radar"
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self._attr_attribution = self.radar_object.metadata["attribution"]
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self.content_type = "image/gif"
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self.image = None
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self.observation_time = None
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def camera_image(
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self, width: int | None = None, height: int | None = None
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) -> bytes | None:
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"""Return bytes of camera image."""
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self.observation_time = self.radar_object.timestamp
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return self.radar_object.image
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@property
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def extra_state_attributes(self):
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"""Return the state attributes of the device."""
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return {ATTR_OBSERVATION_TIME: self.observation_time}
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