xmlresults.py 文件源码

def parseTerm(element):
    """rdflib object (Literal, URIRef, BNode) for the given
    elementtree element"""
    tag, text = element.tag, element.text
    if tag == RESULTS_NS_ET + 'literal':
        if text is None:
            text = ''
        datatype = None
        lang = None
        if element.get('datatype', None):
            datatype = URIRef(element.get('datatype'))
        elif element.get("{%s}lang" % XML_NAMESPACE, None):
            lang = element.get("{%s}lang" % XML_NAMESPACE)

        ret = Literal(text, datatype=datatype, lang=lang)

        return ret
    elif tag == RESULTS_NS_ET + 'uri':
        return URIRef(text)
    elif tag == RESULTS_NS_ET + 'bnode':
        return BNode(text)
    else:
        raise TypeError("unknown binding type %r" % element)