64     def openhook(self, filename, mode):  member in LineReader
269             fi = FileInput(inplace=1, openhook=lambda f, m: None)
275             fi = FileInput(openhook=1)
289         with FileInput([t], openhook=custom_open_hook) as fi:
303                        openhook=hook_encoded('ascii')) as fi:
343         with FileInput([t], openhook=old_hook) as fi:
490                        openhook=src.openhook) as fi:
506                        openhook=src.openhook) as fi:
542                  mode="r", openhook=None, encoding=None, errors=None):  argument
547         self.openhook = openhook
651         openhook = object()
656             mode=mode, openhook=openhook, encoding=encoding)
667         self.assertIs(openhook, result.openhook, "openhook")
995                            openhook=hook_encoded('utf-8', errors=errors)) as fi:
1013                            openhook=hook_encoded('utf-7')) as fi: