Find a Github user's email address

github_username_to_email.py

#!/usr/bin/python

__author__ = 'Khaled Monsoor <k@kmonsoor.com>'
__license__ = 'The MIT License: <http://kmonsoor.mit-license.org/>'

import requests
import json

def github_username_to_email(username):
    '''
    Given a valid Github username, this function returns the users email address.
    If `username` is invalid on Github.com, it will raise ValueError.
    If `username` is valid but the user's email-address is not public, 
        an empty string('') will be returned.
    '''
    api_url = 'https://api.github.com/users/'
    hit_url = api_url + str(username)
    
    response = requests.get(hit_url)
    if response.status_code != 200:
        raise ValueError('Invalid username: {}'.format(username))

    user = json.loads(response.content)
    return user['email'] if user['email'] else ''