<s> from nova import utils <EOL> class BaseImageService ( object ) : <EOL> """<STR_LIT>""" <EOL> BASE_IMAGE_ATTRS = [ '<STR_LIT:id>' , '<STR_LIT:name>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT:status>' , '<STR_LIT>' ] <EOL> SERVICE_IMAGE_ATTRS = [ ] <EOL> def index ( self , context , * args , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def detail ( self , context , * args , ** kwargs ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def show ( self , context , image_id ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def get ( self , context , data ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def create ( self , context , metadata , data = None ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def update ( self , context , image_id , metadata , data = None ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> def delete ( self , context , image_id ) : <EOL> """<STR_LIT>""" <EOL> raise NotImplementedError <EOL> @ staticmethod <EOL> def _is_image_available ( context , image_meta ) : <EOL> """<STR_LIT>""" <EOL> if image_meta [ '<STR_LIT>' ] or context . is_admin : <EOL> return True <EOL> properties = image_meta [ '<STR_LIT>' ] <EOL> if context . project_id and ( '<STR_LIT>' in properties ) : <EOL> return str ( properties [ '<STR_LIT>' ] ) == str ( context . project_id ) <EOL> if context . project_id and ( '<STR_LIT>' in properties ) : <EOL> return str ( properties [ '<STR_LIT>' ] ) == str ( context . project_id ) <EOL> try : <EOL> user_id = properties [ '<STR_LIT>' ] <EOL> except KeyError : <EOL> return False <EOL> return str ( user_id ) == str ( context . user_id ) <EOL> @ classmethod <EOL> def _translate_to_base ( cls , metadata ) : <EOL> """<STR_LIT>""" <EOL> return cls . _propertify_metadata ( metadata , cls . BASE_IMAGE_ATTRS ) <EOL> @ classmethod <EOL> def _translate_to_service ( cls , metadata ) : <EOL> """<STR_LIT>""" <EOL> if not cls . SERVICE_IMAGE_ATTRS : <EOL> raise NotImplementedError ( _ ( '<STR_LIT>' <EOL> '<STR_LIT>' ) ) <EOL> return cls . _propertify_metadata ( metadata , cls . SERVICE_IMAGE_ATTRS ) <EOL> @ staticmethod <EOL> def _propertify_metadata ( metadata , keys ) : <EOL> """<STR_LIT>""" <EOL> flattened = utils . flatten_dict ( metadata ) <EOL> attributes , properties = utils . partition_dict ( flattened , keys ) <EOL> attributes [ '<STR_LIT>' ] = properties <EOL> return attributes </s>
