105 lines
3.5 KiB
Python
105 lines
3.5 KiB
Python
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"""
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homeassistant.components.sensor.bloomsky
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Support for BloomSky weather station.
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For more details about this component, please refer to the documentation at
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https://home-assistant.io/components/bloomsky/
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"""
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import logging
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import homeassistant.components.bloomsky as bloomsky
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from homeassistant.helpers.entity import Entity
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DEPENDENCIES = ["bloomsky"]
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# these are the available sensors
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SENSOR_TYPES = ["Temperature",
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"Humidity",
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"Rain",
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"Pressure",
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"Luminance",
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"Night",
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"UVIndex"]
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# sensor units - these do not currently align with the API documentation
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SENSOR_UNITS = {"Temperature": "°F",
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"Humidity": "%",
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"Pressure": "inHg",
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"Luminance": "cd/m²"}
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# which sensors to format numerically
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FORMAT_NUMBERS = ["Temperature", "Pressure"]
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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""" Set up the available BloomSky weather sensors """
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logger = logging.getLogger(__name__)
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for device_key in bloomsky.BLOOMSKY.devices:
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device = bloomsky.BLOOMSKY.devices[device_key]
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for variable in config["monitored_conditions"]:
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if variable in SENSOR_TYPES:
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add_devices([BloomSkySensor(bloomsky.BLOOMSKY,
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device,
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variable)])
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else:
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logger.error("Cannot find definition for device: %s", variable)
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class BloomSkySensor(Entity):
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""" Represents a single sensor in a BloomSky device """
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def __init__(self, bs, device, sensor_name):
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self._bloomsky = bs
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self._device_id = device["DeviceID"]
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self._client_name = device["DeviceName"]
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self._sensor_name = sensor_name
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self._state = self.process_state(device)
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self._sensor_update = ""
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@property
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def name(self):
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""" the name of the BloomSky device and this sensor """
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return "{} {}".format(self._client_name, self._sensor_name)
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@property
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def state(self):
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""" the current state (i.e. value) of this sensor """
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return self._state
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@property
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def unit_of_measurement(self):
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""" this sensor's units """
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return SENSOR_UNITS.get(self._sensor_name, None)
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def update(self):
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""" request an update from the BloomSky API """
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self._bloomsky.refresh_devices()
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# TS is a Unix epoch timestamp for the last time the BloomSky servers
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# heard from this device. If that value hasn't changed, the value has
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# not been updated.
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last_ts = self._bloomsky.devices[self._device_id]["Data"]["TS"]
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if last_ts != self._sensor_update:
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self.process_state(self._bloomsky.devices[self._device_id])
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self._sensor_update = last_ts
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def process_state(self, device):
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""" handle the response from the BloomSky API for this sensor"""
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data = device["Data"][self._sensor_name]
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if self._sensor_name == "Rain":
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if data:
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self._state = "Raining"
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else:
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self._state = "Not raining"
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elif self._sensor_name == "Night":
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if data:
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self._state = "Nighttime"
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else:
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self._state = "Daytime"
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elif self._sensor_name in FORMAT_NUMBERS:
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self._state = "{0:.2f}".format(data)
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else:
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self._state = data
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