class OpenWeatherMapService():
def __init__(self,telemetryHelper: TelemetryHelper = None, token: str = None):
token = token or self.__getToken()
if not token:
raise TypeError("Token can not be null or empty. \
Get token from: https://openweathermap.org/api")
self._mgr = OWM(token).weather_manager()
self._telemetry = telemetryHelper or TelemetryHelper()
self._pRainThreshold = 0.7
self._long = -77.14379 # longitude of ipc
self._lat = 38.94417 # latitude of ipc
self._interval = "3h"
def __getToken(self)-> str:
with open (CONFIGURATION_PATH) as f:
j = load(f)
token = j["token"]
return token
def will_rain(self, threshold: float = None) -> bool:
tRain = threshold or self._pRainThreshold
# call "one call" api from open weather map to get intraday
# forecast at lat/long of church.
oneCall = self._mgr.one_call(self._lat, self._long)
# get property of one call response that holds forecasts
hourlyForecasts = oneCall.forecast_hourly
# log max forecast
self._telemetry.pctChanceRain = max([fcst.precipitation_probability for fcst in hourlyForecasts])
print("[2]: percentage chance of rain is " + str(self._telemetry.pctChanceRain))
# add six hours to the current time so we can use this value to
# filter out forecasts for weather that occurs more than 6 hours
# from the current time.
nowPlusSix = UTC.localize(datetime.now() + timedelta(hours=6))
# select/extract the probability of rain (precipitation_probability)
# for each forecast (fcst) in hourly forecasts (hourlyForecasts)
# if the time of the forecast is less than six hours from now
# and the probability of precipitation is greater than or equal
# to the rain thershold.
fcst = [{"probability": fcst.precipitation_probability, \
"time": fcst.reference_time("date").strftime("%m/%d/%Y, %H:%M:%S")} \
for fcst in hourlyForecasts \
if fcst.reference_time("date") < nowPlusSix \
and fcst.precipitation_probability >= tRain]
# if there are any forecasts left over after filtering we will assume
# it will rain in the next six hours.
willRain = fcst is not None and fcst is not []
return willRain
def will_rain_english(self) -> str:
willItRain = self.will_rain()
word = "yes" if willItRain else "no"
return word
def will_rain_numeric(self) -> int:
willItRain = self.will_rain()
num = 1 if willItRain else 0
return num
