old_contents: from flask import render_template, flash, redirect
  from app import app
  from .forms import LoginForm
  
  @app.route('/')
  @app.route('/index')
  def index():
      user = {'nickname': 'Miguel'} # fake user
      posts = [ # fake array of posts
          {
              'author': {'nickname': 'John'},
              'body': 'Beautiful day in Portland!'
          },
          {
              'author': {'nickname': 'Susan'},
              'body': 'The Avengers movie was so cool!'
          }]
      return render_template('index.html',
                                  title='Home',
                                  user=user,
                                  posts=posts)
  
  @app.route('/login', methods=['GET', 'POST'])
  def login():
      form = LoginForm()
      if form.validate_on_submit():
          flash('Login requested for OpenID="%s", remember_me=%s' % 
                  (form.openid.data, str(form.remember_me.data)))
          return redirect('/index')
      return render_template('login.html', title='Sign In', form=form)
  
new_contents: from flask import render_template, flash, redirect
  from app import app
  from .forms import LoginForm
  
  @app.route('/')
  @app.route('/index')
  def index():
      user = {'nickname': 'Miguel'} # fake user
      posts = [ # fake array of posts
          {
              'author': {'nickname': 'John'},
              'body': 'Beautiful day in Portland!'
          },
          {
              'author': {'nickname': 'Susan'},
              'body': 'The Avengers movie was so cool!'
          }]
      return render_template('index.html',
                                  title='Home',
                                  user=user,
                                  posts=posts)
  
  @app.route('/login', methods=['GET', 'POST'])
  def login():
      form = LoginForm()
      if form.validate_on_submit():
          flash('Login requested for OpenID="%s", remember_me=%s' % 
                  (form.openid.data, str(form.remember_me.data)))
          return redirect('/index')
      return render_template('login.html', 
                              title='Sign In', 
                              form=form,
                              providers=app.config['OPENID_PROVIDERS'])
  
subject: add openid providers