initial commit, weather applet for i3blocks

weather_applet/config.sample

@@ -0,0 +1,5 @@
+# replace with your values and remove .sample from filename
+[api]
+openweathermap_api_key = aaaa1111aaaa1111aaaa1111aaaa1111
+lat = 40.71
+lon = -74.00

weather_applet/weather.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python3
+
+import requests
+from time import sleep
+import configparser
+import sys, os
+
+
+iconlist = {
+    '01d': '',
+    '02d': '',
+    '03d': '',
+    '04d': '',
+    '09d': '',
+    '10d': '',
+    '11d': '',
+    '13d': '',
+    '50d': '🌫',
+    '01n': '',
+    '02n': '',
+    '03n': '',
+    '04n': '',
+    '09n': '',
+    '10n': '',
+    '11n': '',
+    '13n': '',
+    '50n': '🌫'
+}
+
+
+def get_config(config_path):
+    """ read out the .env file and return config values """
+    # parse
+    config_parser = configparser.ConfigParser()
+    config_parser.read(config_path)
+    # return false on error
+    if config_parser.options('api') != ['openweathermap_api_key', 'lat', 'lon']:
+        print('config parse error')
+        return False
+    else:
+        api_key = config_parser.get('api', 'openweathermap_api_key')
+        lat = config_parser.get('api', 'lat')
+        lon = config_parser.get('api', 'lon')
+    return api_key, lat, lon
+
+
+def get_data(api_key, lat, lon):
+    """ get celsius and icon_id based on lat and lon """
+    url = "https://api.openweathermap.org/data/2.5/weather?&units=metric&appid=" \
+        + api_key + "&lat=" + lat + "&lon=" + lon
+    # try up to 3 times
+    for i in range(1, 4):
+        try:
+            r = requests.get(url, timeout=5)
+        except:
+            sleep(int(i) * 30)
+        else:
+            break
+    # parse response
+    json = r.json()
+    celsius = round(json['main']['temp'])
+    celsius_pretty = str(celsius) + "°"
+    icon_ID = json['weather'][0]['icon']
+    icon = iconlist.get(icon_ID)
+    # return
+    return celsius_pretty, icon
+
+
+def main():
+    """ main function to run """
+    # get config file path relative to script file
+    config_path = os.path.dirname(sys.argv[0]) + '/config'
+    api_key, lat, lon = get_config(config_path)
+    # make the call
+    celsius_pretty, icon = get_data(api_key, lat, lon)
+    # print three lines for i3blocks
+    print(icon, celsius_pretty)
+    print(icon, celsius_pretty)
+    print()
+
+
+# start from here
+if __name__ == '__main__':
+    main()
+