<s> """<STR_LIT>""" <EOL> import pickle <EOL> from werkzeug . contrib . sessions import SessionStore <EOL> from kalapy . contrib . sessions . models import Session <EOL> from kalapy import db <EOL> class Store ( SessionStore ) : <EOL> def __init__ ( self , session_class = None ) : <EOL> super ( Store , self ) . __init__ ( session_class ) <EOL> def get_session ( self , sid ) : <EOL> obj = Session . all ( ) . filter ( '<STR_LIT>' , sid ) . fetch ( <NUM_LIT:1> ) <EOL> return obj [ <NUM_LIT:0> ] if obj else None <EOL> def save ( self , session ) : <EOL> obj = self . get_session ( session . sid ) or Session ( sid = session . sid ) <EOL> try : <EOL> obj . set_data ( dict ( session ) ) <EOL> obj . save ( ) <EOL> db . commit ( ) <EOL> except pickle . PickleError : <EOL> pass <EOL> def delete ( self , session ) : <EOL> obj = self . get_session ( session . sid ) <EOL> if obj : <EOL> obj . delete ( ) <EOL> db . commit ( ) <EOL> def get ( self , sid ) : <EOL> if not self . is_valid_key ( sid ) : <EOL> return self . session_class . new ( ) <EOL> obj = self . get_session ( sid ) <EOL> try : <EOL> data = obj . get_data ( ) <EOL> except : <EOL> data = { } <EOL> return self . session_class ( data , sid , False ) <EOL> def list ( self ) : <EOL> return Session . select ( '<STR_LIT>' ) . fetch ( - <NUM_LIT:1> ) </s>
