174         for fullname in fullnames:
175             self.known_modules[self.name + "." + fullname] = mod
177     def _get_module(self, fullname):  argument
178         return self.known_modules[self.name + "." + fullname]
180     def find_module(self, fullname, path=None):  argument
181         if fullname in self.known_modules:
185     def __get_module(self, fullname):  argument
187             return self.known_modules[fullname]
189             raise ImportError("This loader does not know module " + fullname)
191     def load_module(self, fullname):  argument
194             return sys.modules[fullname]
197         mod = self.__get_module(fullname)
202         sys.modules[fullname] = mod
205     def is_package(self, fullname):  argument
212         return hasattr(self.__get_module(fullname), "__path__")
214     def get_code(self, fullname):  argument
218         self.__get_module(fullname)  # eventually raises ImportError