<s> from flask import render_template , redirect , request , url_for , flash <EOL> from flask . ext . login import login_user , logout_user , login_required , current_user <EOL> from . import auth <EOL> from . . import db <EOL> from . . models import User <EOL> from . . email import send_email <EOL> from . forms import LoginForm , RegistrationForm <EOL> @ auth . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def login ( ) : <EOL> form = LoginForm ( ) <EOL> if form . validate_on_submit ( ) : <EOL> user = User . query . filter_by ( email = form . email . data ) . first ( ) <EOL> if user is not None and user . verify_password ( form . password . data ) : <EOL> login_user ( user , form . remember_me . data ) <EOL> return redirect ( request . args . get ( '<STR_LIT>' ) or url_for ( '<STR_LIT>' ) ) <EOL> flash ( '<STR_LIT>' ) <EOL> return render_template ( '<STR_LIT>' , form = form ) <EOL> @ auth . route ( '<STR_LIT>' ) <EOL> @ login_required <EOL> def logout ( ) : <EOL> logout_user ( ) <EOL> flash ( '<STR_LIT>' ) <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> @ auth . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def register ( ) : <EOL> form = RegistrationForm ( ) <EOL> if form . validate_on_submit ( ) : <EOL> user = User ( email = form . email . data , <EOL> username = form . username . data , <EOL> password = form . password . data ) <EOL> db . session . add ( user ) <EOL> flash ( '<STR_LIT>' ) <EOL> return redirect ( url_for ( '<STR_LIT>' ) ) <EOL> return render_template ( '<STR_LIT>' , form = form ) </s>
