use open meteo api for weather

earth_wallpaper.sh

@@ -37,6 +37,7 @@ check_font() {
   fi
 }
 
+temp_unit=celsius
 wallpaper_file="${HOME}/wallpaper.jpg"
 wallpaper_file2="/etc/lightdm/background.jpg"
 archive_folder="${HOME}/earth_pics"
@@ -49,6 +50,11 @@ font_name=$("${gsettings_cmd}" get org.gnome.desktop.interface font-name | sed "
 while [ $# -gt 0 ]
 do
   case "$1" in
+    "--temperature-unit")
+      shift
+      temp_unit="${1}"
+      shift
+      ;;
     "--city")
       shift
       city="${1}"
@@ -90,6 +96,15 @@ do
   esac
 done
 
+if [ "${temp_unit}" == "celsius" ]; then
+  short_temp_unit='C'
+elif [ "${temp_unit}" == "fahrenheit" ]; then
+  short_temp_unit='F'
+else
+  message "Temperature unit '${temp_unit}' is not one of 'celsius' or 'fahrenheit'" p
+  exit 2
+fi
+
 check_internet || exit 1
 
 font_name="$(check_font "${font_name}")"
@@ -179,10 +194,13 @@ fi
 if [[ "$o_longitude" == "West" ]]; then
 	g_longitude="-$g_longitude"
 fi
-weather_url="http://api.wunderground.com/api/be78b9c2c0dbd00f/conditions/lang:ES/q/$g_latitude,$g_longitude.xml"
+weather_url="https://api.wunderground.com/api/be78b9c2c0dbd00f/conditions/lang:ES/q/$g_latitude,$g_longitude.xml"
-temperature=$("${curl_cmd}" -s "$weather_url" | egrep -o "<temp_c>-?[0-9]*\.?[0-9]?</temp_c>" | sed "s/<temp_c>//g" - | sed "s|</temp_c>||g" -)
+weather_url="https://api.open-meteo.com/v1/forecast?latitude=${g_latitude}&longitude=${g_longitude}&current_weather=true&temperature_unit=${temp_unit}"
+message "Weather URL: ${weather_url}"
+current_weather="$("${curl_cmd}" -s "$weather_url")"
+temperature=$(echo "${current_weather}" | jq '.current_weather.temperature')
 
-text="Host: ${hostname}\n${cur_date} at ${time}\n${city} ${temperature}º C"
+text="Host: ${HOSTNAME}\n${cur_date} ${time}\n${city} ${temperature}º ${short_temp_unit}"
 
 convert_cmd=$(which convert)
 if [ ! -x "${convert_cmd}" ]; then