old_contents: import json
  from urllib import urlencode
  from urlparse import parse_qs, urlunsplit
  
  from flask import redirect, request, url_for
  from flaskext.login import LoginManager, login_user
  import requests
  
  from makerbase import app
  from makerbase.models import User
  
  
  login_manager = LoginManager()
  login_manager.setup_app(app, add_context_processor=True)
  login_manager.user_loader(User.get)
  
  
  @app.route('/signin/github')
  def signin_github():
      params = {
          'client_id': app.config['GITHUB_CLIENT_ID'],
          'redirect_url': urlunsplit(('http', 'localhost:5000', url_for('complete_github'), None, None)),
          'scope': '',
      }
      return redirect('https://github.com/login/oauth/authorize?%s' % urlencode(params))
  
  
  @app.route('/complete/github')
  def complete_github():
      try:
          code = request.args.get('code')
      except KeyError:
          raise  # TODO
  
      params = {
          'client_id': app.config['GITHUB_CLIENT_ID'],
          'client_secret': app.config['GITHUB_SECRET'],
          'code': code,
      }
      token_resp = requests.post('https://github.com/login/oauth/access_token', data=params)
      token_params = parse_qs(token_resp.content)
      access_token = token_params['access_token']
  
      user_resp = requests.get('https://api.github.com/user', data={'access_token': access_token})
      github_user = json.loads(user_resp.content)
  
      userid = u"github:%s" % github_user['login']
      user = User.get(userid)
      if user is None:
          user = User(userid)
      user.name = github_user['name']
      user.avatar_url = github_user['avatar_url']
      user.profile_url = github_user['html_url']
      user.save()
  
      login_user(user)
  
      return redirect(url_for('home'))
  
new_contents: import json
  from urllib import urlencode
  from urlparse import parse_qs, urlsplit, urlunsplit
  
  from flask import redirect, request, url_for
  from flaskext.login import LoginManager, login_user
  import requests
  
  from makerbase import app
  from makerbase.models import User
  
  
  login_manager = LoginManager()
  login_manager.setup_app(app, add_context_processor=True)
  login_manager.user_loader(User.get)
  
  
  @app.route('/signin/github')
  def signin_github():
      urlparts = urlsplit(request.base_url)
      params = {
          'client_id': app.config['GITHUB_CLIENT_ID'],
          'redirect_url': urlunsplit((urlparts.scheme, urlparts.netloc, url_for('complete_github'), None, None)),
          'scope': '',
      }
      redirect_url = 'https://github.com/login/oauth/authorize?%s' % urlencode(params)
      return redirect(redirect_url)
  
  
  @app.route('/complete/github')
  def complete_github():
      try:
          code = request.args.get('code')
      except KeyError:
          raise  # TODO
  
      params = {
          'client_id': app.config['GITHUB_CLIENT_ID'],
          'client_secret': app.config['GITHUB_SECRET'],
          'code': code,
      }
      token_resp = requests.post('https://github.com/login/oauth/access_token', data=params)
      token_params = parse_qs(token_resp.content)
      access_token = token_params['access_token']
  
      user_resp = requests.get('https://api.github.com/user', data={'access_token': access_token})
      github_user = json.loads(user_resp.content)
  
      userid = u"github:%s" % github_user['login']
      user = User.get(userid)
      if user is None:
          user = User(userid)
      user.name = github_user['name']
      user.avatar_url = github_user['avatar_url']
      user.profile_url = github_user['html_url']
      user.save()
  
      login_user(user)
  
      return redirect(url_for('home'))
  
subject: Use real scheme and host when asking github to redirect