def __init__(self, *args, **kwargs): DBAbstraction.__init__(self, *args, **kwargs) if self.cache is None: self.cache = 1 if self.id is None: self.id = -1 if self.location is None: self.location = Location(x=-1.0, y=-1.0) if self.name is None: self.name = '' if self.package is None: self.package = '' if self.version is None: self.version = '' self.set_defaults()