$ python3 WeatherDesk.py --help
usage: WeatherDesk.py [-h] [-d directory] [-f format] [-w seconds]
                      [-t [{2,3,4}]] [-n] [-c name [name ...]]

WeatherDesk - Change the wallpaper based on the weather
    (Uses the Yahoo! Weather API)

optional arguments:
  -h, --help            show this help message and exit

  -d directory, --dir directory
                        Specify wallpaper directory. Default: ~/.weatherdesk_walls

  -f format, --format format
                        Specify image file format. Default: .jpg

  -w seconds, --wait seconds
                        Specify time (in seconds) to wait before updating. Default: 600

  -t {2,3,4}, --time {2,3,4}
                        Use different backgrounds for different times.

                        Variations:
                          2 = day/night
                          3 = day/evening/night [Default]
                          4 = morning/day/evening/night

                        See --naming.

  -n, --naming          Show the image file-naming rules and exit.

  -c name, --city name
                        Specify city for weather. If not given, taken from ipinfo.io.

$ python3 WeatherDesk.py --naming
This is how to name files in the wallpaper directory:


       WEATHER           |    FILENAME
_________________________|________________
 Clear, Calm, Fair:      | normal.jpg
 Thunderstorm:           | thunder.jpg
 Windy, Breeze, Gale:    | wind.jpg
 Drizzle, Rain, Showers: | rain.jpg
 Snow:                   | snow.jpg
 Cloudy:                 | cloudy.jpg
 Other:                  | normal.jpg

 If using with --time or --time 3, add:
 "day-", "night-" or "evening-" in front of filename.

 If using with --time 4, add:
 "morning-", "day-", "evening-" or "night-"

 If using with --time 2, add:
 "day-" or "night-"