def asset():
 s3db.asset_asset.item_id.comment = S3PopupLink(f='item', label=T('Create Item'), title=T('Item'), tooltip=T("Type the name of an existing catalog item OR Click 'Create Item' to add an item which is not in the catalog."))
 return s3db.asset_controller()

def asset ( ) : s3db . asset_asset . item_id . comment = S3PopupLink ( f = 'item' , label = T ( 'Create Item' ) , title = T ( 'Item' ) , tooltip = T ( "Type the name of an existing catalog item OR Click 'Create Item' to add an item which is not in the catalog." ) ) return s3db . asset_controller ( )
restful crud controller .