In Class example for Georgetown Data Analytics (Software Engineering) Cohort 2

weather.py

import json
import requests

weather_url = "http://api.openweathermap.org/data/2.5/weather?q="

def kelvin_to_fahr(temp):
    return ((9/5.0) * (temp-273) + 32)

def get_weather(city):
    url = weather_url + city
    response = requests.get(url)
    if response.status_code == 200:
        return response.json()
    else:
        print "Could not fetch the weather for some reason."

def get_temp(city):
    weather = get_weather(city)
    temp = kelvin_to_fahr(weather['main']['temp'])
    return "The temperature in %s is %0.2f degrees Fahrenheit" % (city, temp)

if __name__ == '__main__':

    while True:
        try:
            print get_temp(raw_input("Enter City:  "))
        except KeyboardInterrupt:
            print "Quitting!"
            break