def login(): """ Route for url: server/login/ """ form = LoginForm() if request.method == 'GET': return render_template('login.html', form = form) if request.method == 'POST': if form.authenticate(): session['username'] = form.username.data return redirect(url_for('home')) flash('Incorrect username / password combination. Please try again.') return render_template('login.html', form = form)