<s> from __future__ import unicode_literals <EOL> from django . conf . urls import patterns <EOL> class PaymentProvider ( object ) : <EOL> """<STR_LIT>""" <EOL> @ property <EOL> def namespace ( self ) : <EOL> """<STR_LIT>""" <EOL> msg = "<STR_LIT>" <EOL> raise NotImplementedError ( msg . format ( self . __class__ . __name__ ) ) <EOL> def get_urls ( self ) : <EOL> """<STR_LIT>""" <EOL> urlpatterns = patterns ( '<STR_LIT>' ) <EOL> return urlpatterns <EOL> def get_payment_request ( self , cart , request ) : <EOL> """<STR_LIT>""" <EOL> return '<STR_LIT>' </s>
