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screen-weather-get.py
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screen-weather-get.py
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#!/usr/bin/python
import datetime
import sys
import os
import logging
from weather_providers import climacell, openweathermap, metofficedatahub, metno, meteireann, accuweather, visualcrossing, weathergov, smhi
from alert_providers import metofficerssfeed, weathergovalerts
from alert_providers import meteireann as meteireannalertprovider
from utility import get_formatted_time, update_svg, configure_logging, configure_locale
import textwrap
import html
configure_locale()
configure_logging()
def format_weather_description(weather_description):
if len(weather_description) < 20:
return {1: weather_description, 2: ''}
splits = textwrap.fill(weather_description, 20, break_long_words=False,
max_lines=2, placeholder='...').split('\n')
weather_dict = {1: splits[0]}
weather_dict[2] = splits[1] if len(splits) > 1 else ''
return weather_dict
def get_weather(location_lat, location_long, units):
# gather relevant environment configs
climacell_apikey = os.getenv("CLIMACELL_APIKEY")
openweathermap_apikey = os.getenv("OPENWEATHERMAP_APIKEY")
metoffice_apikey = os.getenv("METOFFICEDATAHUB_API_KEY")
accuweather_apikey = os.getenv("ACCUWEATHER_APIKEY")
accuweather_locationkey = os.getenv("ACCUWEATHER_LOCATIONKEY")
metno_self_id = os.getenv("METNO_SELF_IDENTIFICATION")
visualcrossing_apikey = os.getenv("VISUALCROSSING_APIKEY")
use_met_eireann = os.getenv("WEATHER_MET_EIREANN")
weathergov_self_id = os.getenv("WEATHERGOV_SELF_IDENTIFICATION")
smhi_self_id = os.getenv("SMHI_SELF_IDENTIFICATION")
if (
not climacell_apikey
and not openweathermap_apikey
and not metoffice_apikey
and not accuweather_apikey
and not metno_self_id
and not visualcrossing_apikey
and not use_met_eireann
and not weathergov_self_id
and not smhi_self_id
):
logging.error("No weather provider has been configured (Climacell, OpenWeatherMap, Weather.gov, MetOffice, AccuWeather, Met.no, Met Eireann, VisualCrossing...)")
sys.exit(1)
if visualcrossing_apikey:
logging.info("Getting weather from Visual Crossing")
weather_provider = visualcrossing.VisualCrossing(visualcrossing_apikey, location_lat, location_long, units)
elif use_met_eireann:
logging.info("Getting weather from Met Eireann")
weather_provider = meteireann.MetEireann(location_lat, location_long, units)
elif weathergov_self_id:
logging.info("Getting weather from Weather.gov")
weather_provider = weathergov.WeatherGov(weathergov_self_id, location_lat, location_long, units)
elif metno_self_id:
logging.info("Getting weather from Met.no")
weather_provider = metno.MetNo(metno_self_id, location_lat, location_long, units)
elif accuweather_apikey:
logging.info("Getting weather from Accuweather")
weather_provider = accuweather.AccuWeather(accuweather_apikey, location_lat,
location_long,
accuweather_locationkey,
units)
elif metoffice_apikey:
logging.info("Getting weather from Met Office Weather Datahub")
weather_provider = metofficedatahub.MetOffice(metoffice_apikey,
location_lat,
location_long,
units)
elif openweathermap_apikey:
logging.info("Getting weather from OpenWeatherMap")
weather_provider = openweathermap.OpenWeatherMap(openweathermap_apikey,
location_lat,
location_long,
units)
elif climacell_apikey:
logging.info("Getting weather from Climacell")
weather_provider = climacell.Climacell(climacell_apikey, location_lat, location_long, units)
elif smhi_self_id:
logging.info("Getting weather from SMHI")
weather_provider = smhi.SMHI(smhi_self_id, location_lat, location_long, units)
weather = weather_provider.get_weather()
logging.info("weather - {}".format(weather))
return weather
def format_alert_description(alert_message):
return html.escape(alert_message)
def get_alert_message(location_lat, location_long):
alert_message = ""
alert_metoffice_feed_url = os.getenv("ALERT_METOFFICE_FEED_URL")
alert_weathergov_self_id = os.getenv("ALERT_WEATHERGOV_SELF_IDENTIFICATION")
alert_meteireann_feed_url = os.getenv("ALERT_MET_EIREANN_FEED_URL")
if alert_weathergov_self_id:
logging.info("Getting weather alert from Weather.gov API")
alert_provider = weathergovalerts.WeatherGovAlerts(location_lat, location_long, alert_weathergov_self_id)
alert_message = alert_provider.get_alert()
elif alert_metoffice_feed_url:
logging.info("Getting weather alert from Met Office RSS Feed")
alert_provider = metofficerssfeed.MetOfficeRssFeed(alert_metoffice_feed_url)
alert_message = alert_provider.get_alert()
elif alert_meteireann_feed_url:
logging.info("Getting weather alert from Met Eireann")
alert_provider = meteireannalertprovider.MetEireannAlertProvider(alert_meteireann_feed_url)
alert_message = alert_provider.get_alert()
logging.info("alert - {}".format(alert_message))
return alert_message
def main():
template_name = os.getenv("SCREEN_LAYOUT", "1")
location_lat = os.getenv("WEATHER_LATITUDE", "51.5077")
location_long = os.getenv("WEATHER_LONGITUDE", "-0.1277")
weather_format = os.getenv("WEATHER_FORMAT", "CELSIUS")
if (weather_format == "CELSIUS"):
units = "metric"
degrees = "°C"
else:
units = "imperial"
degrees = "°F"
weather = get_weather(location_lat, location_long, units)
if not weather:
logging.error("Unable to fetch weather payload. SVG will not be updated.")
return
weather_desc = format_weather_description(weather["description"])
alert_message = get_alert_message(location_lat, location_long)
alert_message = format_alert_description(alert_message)
time_now = get_formatted_time(datetime.datetime.now())
time_now_font_size = "100px"
if len(time_now) > 6:
time_now_font_size = str(100 - (len(time_now)-5) * 5) + "px"
output_dict = {
'LOW_ONE': "{}{}".format(str(round(weather['temperatureMin'])), degrees),
'HIGH_ONE': "{}{}".format(str(round(weather['temperatureMax'])), degrees),
'ICON_ONE': weather["icon"],
'WEATHER_DESC_1': weather_desc[1],
'WEATHER_DESC_2': weather_desc[2],
'TIME_NOW_FONT_SIZE': time_now_font_size,
'TIME_NOW': time_now,
'HOUR_NOW': datetime.datetime.now().strftime("%-I %p"),
'DAY_ONE': datetime.datetime.now().strftime("%b %-d, %Y"),
'DAY_NAME': datetime.datetime.now().strftime("%A"),
'ALERT_MESSAGE_VISIBILITY': "visible" if alert_message else "hidden",
'ALERT_MESSAGE': alert_message
}
logging.info(output_dict)
logging.info("Updating SVG")
template_svg_filename = f'screen-template.{template_name}.svg'
output_svg_filename = 'screen-output-weather.svg'
update_svg(template_svg_filename, output_svg_filename, output_dict)
if __name__ == "__main__":
main()