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Add azimuth (#1951)

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* Add azimuth

* Place elevation and azimuth together in update part
This commit is contained in:
Fabian Affolter 2016-05-30 00:03:29 +02:00 committed by Paulus Schoutsen
parent eaa8e5f29d
commit fed2584d8a
1 changed files with 23 additions and 13 deletions
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36
homeassistant/components/sun.py
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@ -25,6 +25,7 @@ STATE_BELOW_HORIZON = "below_horizon"
STATE_ATTR_NEXT_RISING = "next_rising" STATE_ATTR_NEXT_RISING = "next_rising"
STATE_ATTR_NEXT_SETTING = "next_setting" STATE_ATTR_NEXT_SETTING = "next_setting"
STATE_ATTR_ELEVATION = "elevation" STATE_ATTR_ELEVATION = "elevation"
STATE_ATTR_AZIMUTH = "azimuth"
_LOGGER = logging.getLogger(__name__) _LOGGER = logging.getLogger(__name__)
@ -80,7 +81,7 @@ def next_rising_utc(hass, entity_id=None):
def setup(hass, config): def setup(hass, config):
"""Track the state of the sun in HA.""" """Track the state of the sun."""
if None in (hass.config.latitude, hass.config.longitude): if None in (hass.config.latitude, hass.config.longitude):
_LOGGER.error("Latitude or longitude not set in Home Assistant config") _LOGGER.error("Latitude or longitude not set in Home Assistant config")
return False return False
@ -126,10 +127,12 @@ class Sun(Entity):
entity_id = ENTITY_ID entity_id = ENTITY_ID
def __init__(self, hass, location): def __init__(self, hass, location):
"""Initialize the Sun.""" """Initialize the sun."""
self.hass = hass self.hass = hass
self.location = location self.location = location
self._state = self.next_rising = self.next_setting = None self._state = self.next_rising = self.next_setting = None
self.solar_elevation = self.solar_azimuth = 0
track_utc_time_change(hass, self.timer_update, second=30) track_utc_time_change(hass, self.timer_update, second=30)
@property @property
@ -151,7 +154,8 @@ class Sun(Entity):
return { return {
STATE_ATTR_NEXT_RISING: self.next_rising.isoformat(), STATE_ATTR_NEXT_RISING: self.next_rising.isoformat(),
STATE_ATTR_NEXT_SETTING: self.next_setting.isoformat(), STATE_ATTR_NEXT_SETTING: self.next_setting.isoformat(),
STATE_ATTR_ELEVATION: round(self.solar_elevation, 2) STATE_ATTR_ELEVATION: round(self.solar_elevation, 2),
STATE_ATTR_AZIMUTH: round(self.solar_azimuth, 2)
} }
@property @property
@ -159,15 +163,6 @@ class Sun(Entity):
"""Datetime when the next change to the state is.""" """Datetime when the next change to the state is."""
return min(self.next_rising, self.next_setting) return min(self.next_rising, self.next_setting)
@property
def solar_elevation(self):
"""Angle the sun is above the horizon."""
from astral import Astral
return Astral().solar_elevation(
dt_util.utcnow(),
self.location.latitude,
self.location.longitude)
def update_as_of(self, utc_point_in_time): def update_as_of(self, utc_point_in_time):
"""Calculate sun state at a point in UTC time.""" """Calculate sun state at a point in UTC time."""
mod = -1 mod = -1
@ -189,6 +184,20 @@ class Sun(Entity):
self.next_rising = next_rising_dt self.next_rising = next_rising_dt
self.next_setting = next_setting_dt self.next_setting = next_setting_dt
def update_sun_position(self, utc_point_in_time):
"""Calculate the position of the sun."""
from astral import Astral
self.solar_azimuth = Astral().solar_azimuth(
utc_point_in_time,
self.location.latitude,
self.location.longitude)
self.solar_elevation = Astral().solar_elevation(
utc_point_in_time,
self.location.latitude,
self.location.longitude)
def point_in_time_listener(self, now): def point_in_time_listener(self, now):
"""Called when the state of the sun has changed.""" """Called when the state of the sun has changed."""
self.update_as_of(now) self.update_as_of(now)
@ -200,5 +209,6 @@ class Sun(Entity):
self.next_change + timedelta(seconds=1)) self.next_change + timedelta(seconds=1))
def timer_update(self, time): def timer_update(self, time):
"""Needed to update solar elevation.""" """Needed to update solar elevation and azimuth."""
self.update_sun_position(time)
self.update_ha_state() self.update_ha_state()