old_contents: from flask import render_template, redirect, request, url_for, flash
  from flask.ext.login import login_user, logout_user, login_required, current_user
  from app import db
  from ..email import send_email
  from . import auth
  from ..models import User
  from .forms import LoginForm, RegistrationForm
  
  @auth.route('/login', methods=['GET', 'POST'])
  def login():
      form = LoginForm()
      if form.validate_on_submit():
          user = User.query.filter_by(email=form.email.data).first()
          if user is not None and user.verify_password(form.password.data):
              login_user(user, form.remember_me.data)
              return redirect(request.args.get('next') or url_for('main.index'))
          flash('Invalid username or password.')
      return render_template('auth/login.html', form=form)
  
  
  @auth.route('/logout')
  @login_required
  def logout():
      logout_user()
      flash('You have been logged out.')
      return redirect(url_for('main.index'))
  
  @auth.route('/register', methods=['GET', 'POST'])
  def register():
      form = RegistrationForm()
      if form.validate_on_submit():
          user = User(email=form.email.data.lower(),
                      password=form.password.data)
          db.session.add(user)
          db.session.commit()
          token = user.generate_confirmation_token()
          send_email(user.email, 'Confirm Your Account!', 'auth/email/confirm', user=user, token=token)
          flash('A confirmation email has been sent to you by email.')
          return redirect(url_for('main.index'))
      return render_template('auth/register.html', form=form)
  
  @auth.route('/confirm/<token>')
  @login_required
  def confirm(token):
      if current_user.confirmed:
          return redirect(url_for('main.index'))
      if current_user.confirm(token):
          flash('You have confirmed your account. Thanks!')
      else:
          flash('The confirmation link is invalid or has expired.')
      return redirect(url_for('main.index'))
  
  
  @auth.before_app_request
  def before_request():
      if current_user.is_authenticated():
          current_user.ping()
          if current_user.is_authenticated() and not current_user.confirmed and request.endpoint[:5] != 'auth.':
              return redirect(url_for('auth.unconfirmed'))
  
  @auth.route('/unconfirmed')
  def unconfirmed():
      if current_user.is_anonymous() or current_user.confirmed:
          return redirect('main/index')
      return render_template('auth/unconfirmed.html')
  
  @auth.route('/confirm')
  @login_required
  def resend_confirmation():
      token = current_user.generate_confirmation_token()
      print current_user.email
      send_email(current_user.email, 'Confirm Your Account', 'auth/email/confirm', user=current_user, token=token)
      flash('A new confirmation email has been sent to you by email.')
      return redirect(url_for('main.index'))
  
new_contents: from flask import render_template, redirect, request, url_for, flash
  from flask.ext.login import login_user, logout_user, login_required, current_user
  from app import db
  from ..email import send_email
  from . import auth
  from ..models import User
  from .forms import LoginForm, RegistrationForm
  
  @auth.route('/login', methods=['GET', 'POST'])
  def login():
      form = LoginForm()
      if form.validate_on_submit():
          user = User.query.filter_by(email=form.email.data).first()
          if user is not None and user.verify_password(form.password.data):
              login_user(user, form.remember_me.data)
              return redirect(request.args.get('next') or url_for('main.index'))
          flash('Invalid username or password.')
      return render_template('auth/login.html', form=form)
  
  
  @auth.route('/logout')
  @login_required
  def logout():
      logout_user()
      flash('You have been logged out.')
      return redirect(url_for('main.index'))
  
  @auth.route('/register', methods=['GET', 'POST'])
  def register():
      form = RegistrationForm()
      if form.validate_on_submit():
          user = User(email=form.email.data,
                      password=form.password.data)
          db.session.add(user)
          db.session.commit()
          token = user.generate_confirmation_token()
          send_email(user.email, 'Confirm Your Account!', 'auth/email/confirm', user=user, token=token)
          flash('A confirmation email has been sent to you by email.')
          return redirect(url_for('main.index'))
      return render_template('auth/register.html', form=form)
  
  @auth.route('/confirm/<token>')
  @login_required
  def confirm(token):
      if current_user.confirmed:
          return redirect(url_for('main.index'))
      if current_user.confirm(token):
          flash('You have confirmed your account. Thanks!')
      else:
          flash('The confirmation link is invalid or has expired.')
      return redirect(url_for('main.index'))
  
  
  @auth.before_app_request
  def before_request():
      if current_user.is_authenticated():
          current_user.ping()
          if current_user.is_authenticated() and not current_user.confirmed and request.endpoint[:5] != 'auth.':
              return redirect(url_for('auth.unconfirmed'))
  
  @auth.route('/unconfirmed')
  def unconfirmed():
      if current_user.is_anonymous() or current_user.confirmed:
          return redirect('main/index')
      return render_template('auth/unconfirmed.html')
  
  @auth.route('/confirm')
  @login_required
  def resend_confirmation():
      token = current_user.generate_confirmation_token()
      print current_user.email
      send_email(current_user.email, 'Confirm Your Account', 'auth/email/confirm', user=current_user, token=token)
      flash('A new confirmation email has been sent to you by email.')
      return redirect(url_for('main.index'))
  
subject: delete username and name field in registration