iss.py

import requests
import json
import turtle

iss = turtle.Turtle()


def setup(window):
    global iss

    window.setup(1000, 500)
    window.bgpic('earth.png')
    window.setworldcoordinates(-180, -90, 180, 90)
    turtle.register_shape("iss.gif")
    iss.shape("iss.gif")


def move_iss(latitude, longitude):
    global iss

    iss.penup()
    iss.goto(longitude, latitude)
    iss.pendown()


def track_iss():
    url = 'http://api.open-notify.org/iss-now.json'
    response = requests.get(url)

    if response.status_code == 200:
        response_dict = json.loads(response.text)
        position = response_dict['iss_position']
        lat = float(position['latitude'])
        long = float(position['longitude'])
        move_iss(lat, long)
    else:
        print("error: ", response.status_code)
    widget = turtle.getcanvas()
    widget.after(5000, track_iss())


def main():
    global iss
    screen = turtle.Screen()
    setup(screen)
    track_iss()


if __name__ == "__main__":
    main()
    turtle.mainloop()