850 _textiowrapper_set_decoder(textio *self, PyObject *codec_info,  in _textiowrapper_set_decoder()  argument
869     self->decoder = _PyCodecInfo_GetIncrementalDecoder(codec_info, errors);  in _textiowrapper_set_decoder()
905 _textiowrapper_set_encoder(textio *self, PyObject *codec_info,  in _textiowrapper_set_encoder()  argument
925     self->encoder = _PyCodecInfo_GetIncrementalEncoder(codec_info, errors);  in _textiowrapper_set_encoder()
930     if (_PyObject_LookupAttrId(codec_info, &PyId_name, &res) < 0) {  in _textiowrapper_set_encoder()
1028     PyObject *raw, *codec_info = NULL;  in _io_TextIOWrapper___init___impl()  local
1144     codec_info = _PyCodec_LookupTextEncoding(encoding, "codecs.open()");  in _io_TextIOWrapper___init___impl()
1145     if (codec_info == NULL) {  in _io_TextIOWrapper___init___impl()
1167     if (_textiowrapper_set_decoder(self, codec_info, PyUnicode_AsUTF8(errors)) != 0)  in _io_TextIOWrapper___init___impl()
1171     if (_textiowrapper_set_encoder(self, codec_info, PyUnicode_AsUTF8(errors)) != 0)  in _io_TextIOWrapper___init___impl()
1175     Py_CLEAR(codec_info);  in _io_TextIOWrapper___init___impl()
1217     Py_XDECREF(codec_info);  in _io_TextIOWrapper___init___impl()
1267     PyObject *codec_info = _PyCodec_LookupTextEncoding(  in textiowrapper_change_encoding()  local
1269     if (codec_info == NULL) {  in textiowrapper_change_encoding()
1272     if (_textiowrapper_set_decoder(self, codec_info, c_errors) != 0 ||  in textiowrapper_change_encoding()
1273             _textiowrapper_set_encoder(self, codec_info, c_errors) != 0) {  in textiowrapper_change_encoding()
1274         Py_DECREF(codec_info);  in textiowrapper_change_encoding()
1277     Py_DECREF(codec_info);  in textiowrapper_change_encoding()