class Settings():
def __init__(self, onChange=None):
self.loaded = False
self._tzcache = None
self._ip2loccache = None
self.hardcodedLocation = False
self.onChange = onChange
self.load()
def _needsIp2LocCacheRefresh(self, datetime):
if not self._ip2loccache:
return True
return self._ip2loccache['date'] < (datetime - IP2LOC_CACHE_LIFETIME)
def _needsTzCacheRefresh(self, datetime):
if not self._tzcache:
return True
if self._tzcache['coordinates'] != self.coordinates:
return True
return self._tzcache['date'] < (datetime - TZ_CACHE_LIFETIME)
def _getGoogleTimezoneData(self, timestamp):
url = TZ_URL.format(self.coordinates['latitude'], self.coordinates['longitude'], timestamp)
response = urllib.urlopen(url, None, 2)
result = response.read()
if (pyVersion == 3):
result = result.decode('utf-8')
return json.loads(result)
def getTimeZone(self):
now = datetime.utcnow()
try:
if not(self.hardcodedLocation) and self._needsIp2LocCacheRefresh(now):
self.loadIPCoordinates()
self._ip2loccache = {
'date': now
}
if self._needsTzCacheRefresh(now):
result = self._getGoogleTimezoneData(calendar.timegm(now.timetuple()))
self._tzcache = {
'date': now,
'coordinates': self.coordinates,
'name': result['timeZoneName'],
'offset': result['dstOffset'] + result['rawOffset']
}
logToConsole('Using {0}'.format(result['timeZoneName']))
return FixedOffset(self._tzcache['offset'] / 60, self._tzcache['name'])
except Exception:
return LocalTimezone()
def load(self):
settings = sublime.load_settings(PACKAGE + '.sublime-settings')
settings.clear_on_change(PACKAGE)
settings.add_on_change(PACKAGE, self.load)
if not settings.has('day'):
raise KeyError('SunCycle: missing day setting')
if not settings.has('night'):
raise KeyError('SunCycle: missing night setting')
self.day = settings.get('day')
self.night = settings.get('night')
self.coordinates = {'latitude': settings.get('latitude', 0), 'longitude': settings.get('longitude', 0)}
self.sun = Sun(self.coordinates)
if self.coordinates['latitude'] != 0 or self.coordinates['longitude'] != 0:
self.hardcodedLocation = True
now = datetime.now(tz=self.getTimeZone())
logToConsole('Sunrise at {0}'.format(self.sun.sunrise(now)))
logToConsole('Sunset at {0}'.format(self.sun.sunset(now)))
if self.loaded and self.onChange:
self.onChange()
self.loaded = True
def loadIPCoordinates(self):
try:
response = urllib.urlopen(IP2LOC_URL, None, 2)
result = response.read()
if (pyVersion == 3):
result = result.decode('utf-8')
lookup = json.loads(result)
self.coordinates['latitude'] = lookup['latitude']
self.coordinates['longitude'] = lookup['longitude']
logToConsole('Lookup lat & lng through IP: {0}'.format(self.coordinates))
return self.coordinates
except Exception:
logToConsole('Failed to lookup lat & lng through IP')
# Current brightness
is_night = False
is_night_time = False
prev_leds = []
while running:
d = timezone.localize(datetime.now())
utc = d.astimezone(pytz.utc)
cur = d.timetuple()
if loc.located():
night_b = d.replace(hour=night[0], minute=0, second=0)
night_e = d.replace(hour=night[1], minute=0, second=0)
sun = Sun(lat=loc.lat, long=loc.lng)
sunrise = sun.sunrise(utc)
sunset = sun.sunset(utc)
if d > sunrise:
sunrise = sun.sunrise(utc + timedelta(days=1))
else:
sunset = sun.sunset(utc - timedelta(days=1))
if d > night_e:
night_e = night_e + timedelta(days=1)
else:
night_b = night_b - timedelta(days=1)
is_night = sunset < d < sunrise
night_length = sunrise - sunset
is_night_time = night_b < d < night_e