weather notification

weather.py

from gi.repository import Notify
import requests
import time
import os
import sys

class notification:
    """
        To run this script, simply type:
        python3 weather.py [time_interval] city &
        & -> does not block your terminal, you can close it after the above command
        city -> name if city, like san francisco, ca
        
        to use it inside your script:
        from weather import notification
        notification()
    """

    def __init__(self, city):
        self.interval = 300
        self.query = 'http://api.openweathermap.org/data/2.5/weather?q=' + city
        self.icon_img = os.getcwd() + '/weather_icons'
        if not os.path.isdir(self.icon_img):        #check if icon directory exists
            os.makedirs(self.icon_img)              #create if not
        if Notify.init("weather"):
            self.update()
            self.run()
        else :
            print('notification init returned false')

    def run(self):
        count = 0
        while 1:
            time.sleep(float(self.interval))
            self.show()
            count += 1
            if count == 3:
                self.update()
                count = 0

    def show(self):
        #self.temp = self.weather['main']['temp_max'] - 273
        icon = self.weather['weather'][0]['icon']
        if not os.path.exists(self.icon_img + '/' + icon + '.png'):     #check if icon downloaded
            open(self.icon_img + '/' + icon + '.png', 'wb').write(requests.get('http://openweathermap.org/img/w/' + icon + '.png').content)     #download and save
        n = Notify.Notification.new(
                    "Weather Update",
                    "Temperature : %.2f\nDescription : %s" %(self.weather['main']['temp_max'] -273, self.weather['weather'][0]['description']),
                    self.icon_img + '/' + icon + '.png')
        n.show()
        print("Weather Update", "Temperature : %.2f" %(self.weather['main']['temp_max'] - 273), "Description : %s" %self.weather['weather'][0]['description'], sep='\n')

    def update(self):
        try:
            if self.weather:
                weather = self.weather
        except: pass

        try:
            self.weather = requests.get(self.query).json()
        except:
            print('could not get the update')
            self.weather = weather

if __name__ == "__main__":
    try:
        city = sys.argv[1]
    except:
        print('please provide a city name')
        exit()

    notification(city)