def test_Twilight_SunSetting(day, twilight, london):
start, end = twilight
start = pytz.utc.localize(start)
end = pytz.utc.localize(end)
info = sun.twilight(london.observer, day, direction=SunDirection.SETTING)
start_utc = info[0]
end_utc = info[1]
assert datetime_almost_equal(start, start_utc)
assert datetime_almost_equal(end, end_utc)
def publishLightInfo(dateAndTime):
if state.timezone is None:
print("Could not determine the time zone")
else:
# Calculate solar elevation and twilight start and end times
angle = sun.elevation(location, dateAndTime)
print('solar elevation: ' + str(angle))
mqtt_publish('solarElevation', str(angle))
times_setting = sun.twilight(location, dateAndTime,
SunDirection.SETTING)
times_rising = sun.twilight(location, dateAndTime, SunDirection.RISING)
if debug:
print("DEBUG: rising start " +
str(times_rising[0].astimezone(state.timezone)))
print("DEBUG: rising end " +
str(times_rising[1].astimezone(state.timezone)))
print("DEBUG: setting start " +
str(times_setting[0].astimezone(state.timezone)))
print("DEBUG: setting end " +
str(times_setting[1].astimezone(state.timezone)))
# Classify and publish the current light situation on track as one of
# night, dawn, day or dusk
lightinfo = 'day'
if dateAndTime < times_rising[0].astimezone(state.timezone):
lightinfo = 'night'
elif dateAndTime < times_rising[1].astimezone(state.timezone):
lightinfo = 'dawn'
elif dateAndTime < times_setting[0].astimezone(state.timezone):
lightinfo = 'day'
elif dateAndTime < times_setting[1].astimezone(state.timezone):
lightinfo = 'dusk'
else:
lightinfo = 'night'
print('lightinfo: ' + lightinfo)
mqtt_publish('lightinfo', lightinfo)
def test_Twilight_NoDate(london):
start = pytz.utc.localize(datetime.datetime(2019, 8, 29, 18, 54))
end = pytz.utc.localize(datetime.datetime(2019, 8, 29, 19, 30))
ans = sun.twilight(london.observer, direction=SunDirection.SETTING)
assert datetime_almost_equal(ans[0], start)
assert datetime_almost_equal(ans[1], end)
def getCivilTwilight(self, event_date: date = None) -> datetime:
'''Return the start of civil sunset on a given date.
Default is today's date in the timezone ``WeeklySchedule.tzinfo``.'''
twilight_start_end = twilight(self.observer, event_date,
SunDirection.SETTING, self.tzinfo)
return twilight_start_end[0]