expatbuilder.py 文件源码

def start_element_handler(self, name, attributes):
        if ' ' in name:
            uri, localname, prefix, qname = _parse_ns_name(self, name)
        else:
            uri = EMPTY_NAMESPACE
            qname = name
            localname = None
            prefix = EMPTY_PREFIX
        node = minidom.Element(qname, uri, prefix, localname)
        node.ownerDocument = self.document
        _append_child(self.curNode, node)
        self.curNode = node

        if self._ns_ordered_prefixes:
            for prefix, uri in self._ns_ordered_prefixes:
                if prefix:
                    a = minidom.Attr(_intern(self, 'xmlns:' + prefix),
                                     XMLNS_NAMESPACE, prefix, "xmlns")
                else:
                    a = minidom.Attr("xmlns", XMLNS_NAMESPACE,
                                     "xmlns", EMPTY_PREFIX)
                a.value = uri
                a.ownerDocument = self.document
                _set_attribute_node(node, a)
            del self._ns_ordered_prefixes[:]

        if attributes:
            node._ensure_attributes()
            _attrs = node._attrs
            _attrsNS = node._attrsNS
            for i in range(0, len(attributes), 2):
                aname = attributes[i]
                value = attributes[i+1]
                if ' ' in aname:
                    uri, localname, prefix, qname = _parse_ns_name(self, aname)
                    a = minidom.Attr(qname, uri, localname, prefix)
                    _attrs[qname] = a
                    _attrsNS[(uri, localname)] = a
                else:
                    a = minidom.Attr(aname, EMPTY_NAMESPACE,
                                     aname, EMPTY_PREFIX)
                    _attrs[aname] = a
                    _attrsNS[(EMPTY_NAMESPACE, aname)] = a
                a.ownerDocument = self.document
                a.value = value
                a.ownerElement = node