rdfxml.py 文件源码

def startElementNS(self, name, qname, attrs):
        stack = self.stack
        stack.append(ElementHandler())
        current = self.current
        parent = self.parent
        base = attrs.get(BASE, None)
        if base is not None:
            base, frag = urldefrag(base)
            if parent and parent.base:
                base = urljoin(parent.base, base)
            else:
                systemId = self.locator.getPublicId() \
                    or self.locator.getSystemId()
                if systemId:
                    base = urljoin(systemId, base)
        else:
            if parent:
                base = parent.base
            if base is None:
                systemId = self.locator.getPublicId() \
                    or self.locator.getSystemId()
                if systemId:
                    base, frag = urldefrag(systemId)
        current.base = base
        language = attrs.get(LANG, None)
        if language is None:
            if parent:
                language = parent.language
        current.language = language
        current.start(name, qname, attrs)