def _is_installed(self, content): if 'instance' in content: if IRoot.implementedBy(content['instance']): return False return ( not self._is_forbidden(content['name']) and extensionRegistry.is_installed(content['product'], self.root)) return False
def _is_installed(self, content): if 'instance' in content: if IRoot.implementedBy(content['instance']): return False return (not self._is_forbidden(content['name']) and extensionRegistry.is_installed(content['product'], self.root)) return False