https://github.com/giljr/iss_tracking

iss.py

from datetime import datetime, timedelta
import requests
import yagmail
import os


MY_LAT = -8.761070
MY_LNG = -63.885980

timezone_hour_offset = -4
input_format = "%Y-%m-%dT%H:%M:%S+00:00"  # works for this site because UTC is guaranteed.
output_format = "%H:%M:%S"

EMAIL = os.environ['EMAIL']
EMAIL_PASS = os.environ['EMAIL_PASS']

'''
The ISS is visible only at night :/
'''


def is_night():
    parameters = {
        "lat": MY_LAT,
        "lng": MY_LNG,
        "formatted": 0,
        "date": "today",
    }
    response = requests.get("https://api.sunrise-sunset.org/json", params=parameters)
    response.raise_for_status()
    data = response.json()
    sunrise_date_time = data["results"]["sunrise"]
    sunset_date_time = data["results"]["sunset"]

    sunrise = datetime.strptime(sunrise_date_time, input_format)
    local_sunrise = sunrise + timedelta(hours=timezone_hour_offset)

    sunset = datetime.strptime(sunset_date_time, input_format)
    local_sunset = sunset + timedelta(hours=timezone_hour_offset)
    local_sunrise_hour = local_sunrise.hour
    local_sunset_hour = local_sunset.hour
    time_now = datetime.now().hour
    print(f"Local time: {time_now} hours")
    if time_now >= local_sunset_hour or time_now <= local_sunrise_hour:
        return True


'''
Spot the Station" find out if the International Space Station, 
the third brightest object in the sky, is going to pass above your location.
Your position is within + or - 5 degrees of the ISS position.
'''


def is_iss_overhead():
    response = requests.get("http://api.open-notify.org/iss-now.json")
    response.raise_for_status()
    data = response.json()
    iss_lat = float(data["iss_position"]["latitude"])
    iss_lng = float(data["iss_position"]["longitude"])
    print(f"iss_lat:{iss_lat}, iss_lng:{iss_lng}")
    print(f"my__lat:{MY_LAT},my__lng:{MY_LNG}")
    if MY_LAT - 5 <= iss_lat <= MY_LAT + 5 and MY_LNG - 5 <= iss_lng <= iss_lng + 5:
        return True


'''
Sends alerts via your email using yagmail.
Please set environment variables in PyCharm, follow stackoverflow:
https://stackoverflow.com/questions/42708389/how-to-set-environment-variables-in-pycharm
'''


def send_email():
    user = yagmail.SMTP(user=EMAIL, password=EMAIL_PASS)
    user.send(to=EMAIL, subject="Look Up 👆️", contents="The ISS is above you in the sky.")


is_dark = is_night()
if is_dark is True:
    print("Is night :)")
else:
    print("Is not night :/\n")

is_over = is_iss_overhead()
if is_over is True:
    print("ISS is overhead :)")
else:
    print("ISS is not overhead :/ ")

if is_over is True and is_dark is True:
    send_email()