112 lines
4.0 KiB
Python
112 lines
4.0 KiB
Python
"""
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This component provides HA sensor support for the worldtides.info API.
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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/sensor.worldtidesinfo/
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"""
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import logging
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import time
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from datetime import timedelta
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import requests
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (CONF_API_KEY, CONF_LATITUDE, CONF_LONGITUDE,
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CONF_NAME, STATE_UNKNOWN)
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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DEFAULT_NAME = 'WorldTidesInfo'
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SCAN_INTERVAL = timedelta(seconds=3600)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_API_KEY): cv.string,
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vol.Optional(CONF_LATITUDE): cv.latitude,
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vol.Optional(CONF_LONGITUDE): cv.longitude,
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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})
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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 WorldTidesInfo sensor."""
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name = config.get(CONF_NAME)
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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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key = config.get(CONF_API_KEY)
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if None in (lat, lon):
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_LOGGER.error("Latitude or longitude not set in Home Assistant config")
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add_devices([WorldTidesInfoSensor(name, lat, lon, key)], True)
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class WorldTidesInfoSensor(Entity):
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"""Representation of a WorldTidesInfo sensor."""
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def __init__(self, name, lat, lon, key):
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"""Initialize the sensor."""
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self._name = name
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self._lat = lat
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self._lon = lon
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self._key = key
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self.data = None
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def device_state_attributes(self):
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"""Return the state attributes of this device."""
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attr = {}
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if "High" in str(self.data['extremes'][0]['type']):
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attr['high_tide_time_utc'] = self.data['extremes'][0]['date']
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attr['high_tide_height'] = self.data['extremes'][0]['height']
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attr['low_tide_time_utc'] = self.data['extremes'][1]['date']
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attr['low_tide_height'] = self.data['extremes'][1]['height']
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elif "Low" in str(self.data['extremes'][0]['type']):
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attr['high_tide_time_utc'] = self.data['extremes'][1]['date']
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attr['high_tide_height'] = self.data['extremes'][1]['height']
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attr['low_tide_time_utc'] = self.data['extremes'][0]['date']
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attr['low_tide_height'] = self.data['extremes'][0]['height']
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return attr
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@property
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def state(self):
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"""Return the state of the device."""
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if self.data:
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if "High" in str(self.data['extremes'][0]['type']):
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tidetime = time.strftime('%I:%M %p', time.localtime(
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self.data['extremes'][0]['dt']))
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return "High tide at %s" % (tidetime)
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elif "Low" in str(self.data['extremes'][0]['type']):
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tidetime = time.strftime('%I:%M %p', time.localtime(
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self.data['extremes'][0]['dt']))
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return "Low tide at %s" % (tidetime)
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return STATE_UNKNOWN
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return STATE_UNKNOWN
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def update(self):
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"""Get the latest data from WorldTidesInfo API."""
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start = int(time.time())
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resource = 'https://www.worldtides.info/api?extremes&length=86400' \
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'&key=%s&lat=%s&lon=%s&start=%s' % (self._key, self._lat,
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self._lon, start)
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try:
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self.data = requests.get(resource, timeout=10).json()
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_LOGGER.debug("Data = %s", self.data)
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_LOGGER.info("Tide data queried with start time set to: %s",
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(start))
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except ValueError as err:
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_LOGGER.error("Check WorldTidesInfo %s", err.args)
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self.data = None
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raise
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