added unit to config file to diff between metric or imperial

README.md

@@ -63,6 +63,7 @@ Create a file called *config* in the same directory as the *weather.py* script a
 data from *config.sample*:
 * Replace the dummy *openweathermap_api_key* with your key.
 * Add *lat* and *lon* values with the latitude and longitude values from your location.
+* Add unit of measurement: *metric* or *imperial* to get results in C° or F°.
 
 ### Install:
 None standard Python dependencies:

weather_applet/config.sample

@@ -2,4 +2,5 @@
 [api]
 openweathermap_api_key = aaaa1111aaaa1111aaaa1111aaaa1111
 lat = 40.71
-lon = -74.00
+lon = -74.00
+unit = metric

weather_applet/weather.py

@@ -39,20 +39,21 @@ def get_config(config_path):
     config_parser = configparser.ConfigParser()
     config_parser.read(config_path)
     # return false on error
-    if config_parser.options('api') == ['openweathermap_api_key', 'lat', 'lon']:
+    if config_parser.options('api') == ['openweathermap_api_key', 'lat', 'lon', 'unit']:
         api_key = config_parser.get('api', 'openweathermap_api_key')
         lat = config_parser.get('api', 'lat')
         lon = config_parser.get('api', 'lon')
+        unit = config_parser.get('api', 'unit')
     else:
         print('config parse error')
         return False
-    return api_key, lat, lon
+    return api_key, lat, lon, unit
 
 
-def get_data(api_key, lat, lon):
+def get_data(api_key, lat, lon, unit):
     """ 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
+    url = "https://api.openweathermap.org/data/2.5/weather?&units=" + unit \
+        + "&appid=" + api_key + "&lat=" + lat + "&lon=" + lon
     # try up to 3 times
     for i in range(1, 4):
         try:
@@ -71,11 +72,11 @@ def get_data(api_key, lat, lon):
     return celsius_pretty, icon
 
 
-def get_forecast(api_key, lat, lon):
+def get_forecast(api_key, lat, lon, unit):
     """ get next three days forecast """
     # get data
     url = "https://api.openweathermap.org/data/2.5/onecall?lat=" + lat + "&lon=" + lon \
-        + "&units=metric&exclude=current,minutely,hourly,alerts&appid=" + api_key
+        + "&units=" + unit + "&exclude=current,minutely,hourly,alerts&appid=" + api_key
     response = requests.get(url, timeout=5)
     json = response.json()
     notify_list = []
@@ -101,7 +102,7 @@ def get_forecast(api_key, lat, lon):
 def main():
     """ main function to run """
     # make the call
-    celsius_pretty, icon = get_data(api_key, lat, lon)
+    celsius_pretty, icon = get_data(api_key, lat, lon, unit)
     # print three lines for i3blocks
     print(icon, celsius_pretty)
     print(icon, celsius_pretty)
@@ -112,11 +113,11 @@ def main():
 if __name__ == '__main__':
     # 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)
+    api_key, lat, lon, unit = get_config(config_path)
     # check for button clicked
     env = os.environ.copy()
     button = env.get('BLOCK_BUTTON', False)
     if button == '1':
-        get_forecast(api_key, lat, lon)
+        get_forecast(api_key, lat, lon, unit)
     # regular
     main()