def METHOD_NAME(self):
    global xml_summary
    global xml_schema
    if not self.env_var:
        raise GangaException('XMLSummary env not set!')
    if not self.file:
        raise GangaException('File not specified!')
    if not os.path.exists(self.file):
        raise GangaException('%s does not exist!' % self.file)
    p = self._xmlPath()
    v = self.env_var
    from GangaGaudi.Lib.XMLSummary.summary import Summary
    sum = Summary(self._xmlSchema())
    sum.parse(self.file)
    self.data = sum
    return