Method _parse_doc

pandas/io/xml.py:628–659

(
        self, raw_doc: FilePath | ReadBuffer[bytes] | ReadBuffer[str]
    )

                )

    def _parse_doc(
        self, raw_doc: FilePath | ReadBuffer[bytes] | ReadBuffer[str]
    ) -> etree._Element:
        from lxml.etree import (
            XMLParser,
            fromstring,
            parse,
        )

        handle_data = get_data_from_filepath(
            filepath_or_buffer=raw_doc,
            encoding=self.encoding,
            compression=self.compression,
            storage_options=self.storage_options,
        )

        with handle_data as xml_data:
            curr_parser = XMLParser(encoding=self.encoding)

            if isinstance(xml_data, io.StringIO):
                if self.encoding is None:
                    raise TypeError(
                        "Can not pass encoding None when input is StringIO."
                    )

                document = fromstring(
                    xml_data.getvalue().encode(self.encoding), parser=curr_parser
                )
            else:
                document = parse(xml_data, parser=curr_parser)

        return document

    def _transform_doc(self) -> etree._XSLTResultTree:
        """