#NEWLINE# def get_preview_urls( self , root_node ) : #NEWLINE# #INDENT# for owner in self . object . owners : #NEWLINE# #INDENT# if hasattr ( owner , 'get_action_links' ) : #NEWLINE# #INDENT# for link in owner . get_action_links ( owner ) : #NEWLINE# #INDENT# if ( link [ 'type' ] == 'preview' ) : #NEWLINE# #INDENT# ( yield link )