<s> from flask import g , redirect , render_template , session , url_for , flash <EOL> from refinery import app , lm <EOL> from flask . ext . login import login_user , logout_user , login_required <EOL> from refinery . data . models import User <EOL> from flask_wtf import Form <EOL> from wtforms import TextField , PasswordField , BooleanField <EOL> from wtforms . validators import DataRequired <EOL> from refinery . data . models import User <EOL> class LoginForm ( Form ) : <EOL> '''<STR_LIT>''' <EOL> username = TextField ( '<STR_LIT:username>' , validators = [ DataRequired ( ) ] ) <EOL> password = PasswordField ( '<STR_LIT>' , validators = [ DataRequired ( ) ] ) <EOL> remember_me = BooleanField ( '<STR_LIT>' , default = False ) <EOL> def __init__ ( self , * args , ** kwargs ) : <EOL> Form . __init__ ( self , * args , ** kwargs ) <EOL> self . user = None <EOL> def validate ( self ) : <EOL> rv = Form . validate ( self ) <EOL> if not rv : <EOL> print "<STR_LIT>" <EOL> return False <EOL> user = User . query . filter_by ( username = self . username . data ) . first ( ) <EOL> if user is None : <EOL> self . username . errors . append ( "<STR_LIT>" ) <EOL> print "<STR_LIT>" <EOL> return False <EOL> if not user . check_password ( self . password . data ) : <EOL> self . password . errors . append ( '<STR_LIT>' ) <EOL> print "<STR_LIT>" <EOL> return False <EOL> self . user = user <EOL> return True <EOL> @ lm . user_loader <EOL> def load_user ( user_id ) : <EOL> '''<STR_LIT>''' <EOL> return User . query . get ( int ( user_id ) ) <EOL> @ app . route ( '<STR_LIT:/>' ) <EOL> @ app . route ( '<STR_LIT>' , methods = [ '<STR_LIT:GET>' , '<STR_LIT:POST>' ] ) <EOL> def login ( ) : <EOL> '''<STR_LIT>''' <EOL> if g . user is not None and g . user . is_authenticated : <EOL> username = g . user . username <EOL> return redirect ( url_for ( '<STR_LIT>' , username = username ) ) <EOL> form = LoginForm ( ) <EOL> if form . validate_on_submit ( ) : <EOL> session [ '<STR_LIT>' ] = form . remember_me . data <EOL> if '<STR_LIT>' in session : <EOL> remember_me = session [ '<STR_LIT>' ] <EOL> session . pop ( '<STR_LIT>' , None ) <EOL> login_user ( form . user , remember = remember_me ) <EOL> username = form . username . data <EOL> return redirect ( url_for ( '<STR_LIT>' , username = username ) ) <EOL> return render_template ( '<STR_LIT>' , form = form ) <EOL> @ app . route ( '<STR_LIT>' ) <EOL> def logout ( ) : <EOL> '''<STR_LIT>''' <EOL> logout_user ( ) <EOL> flash ( '<STR_LIT>' ) <EOL> return render_template ( '<STR_LIT>' , form = LoginForm ( ) ) <EOL> @ app . route ( '<STR_LIT>' ) <EOL> @ login_required <EOL> def profile ( ) : <EOL> '''<STR_LIT>''' <EOL> user = User . query . filter_by ( username = g . user . username ) . first ( ) <EOL> return render_template ( '<STR_LIT>' , user = user ) <EOL> @ app . route ( '<STR_LIT>' ) <EOL> def about ( ) : <EOL> '''<STR_LIT>''' <EOL> return render_template ( '<STR_LIT>' ) </s>
