# -*- coding: utf-8 -*-
"""
    obsapi: helper module
    ~~~~~~~~~~~~~~~~~~~~~

    This module contains helper functions


    :copyright: Copyright (c) 2020 Scott Bahling, SUSE Linux GmbH
    :license: GPL-2.0, see COPYING for details
"""
from io import BytesIO
from lxml import etree


def xml2etree(xml):
    try:
        if not isinstance(xml, bytes):
            xml = xml.encode('utf-8')
        parser = etree.XMLParser(remove_blank_text=True)
        return etree.parse(BytesIO(xml), parser).xpath('.')[0]
    except Exception as e:
        raise e