Python dom.XMLNS_NAMESPACE属性代码示例

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def GetAllNs(node):
    # The xml namespace is implicit
    nss = {'xml': XML_NAMESPACE}
    if node.nodeType == Node.ATTRIBUTE_NODE and node.ownerElement:
        return GetAllNs(node.ownerElement)
    if node.nodeType == Node.ELEMENT_NODE:
        if node.namespaceURI:
            nss[node.prefix] = node.namespaceURI
        for attr in node.attributes.values():
            if attr.namespaceURI == XMLNS_NAMESPACE:
                if attr.localName == 'xmlns':
                    nss[None] = attr.value
                else:
                    nss[attr.localName] = attr.value
            elif attr.namespaceURI:
                nss[attr.prefix] = attr.namespaceURI
    if node.parentNode:
        # Inner NS/Prefix mappings take precedence over outer ones
        parent_nss = GetAllNs(node.parentNode)
        parent_nss.update(nss)
        nss = parent_nss
    return nss 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def SeekNss(node, nss=None):
    '''traverses the tree to seek an approximate set of defined namespaces'''
    nss = nss or {}
    for child in node.childNodes:
        if child.nodeType == Node.ELEMENT_NODE:
            if child.namespaceURI:
                nss[child.prefix] = child.namespaceURI
            for attr in child.attributes.values():
                if attr.namespaceURI == XMLNS_NAMESPACE:
                    if attr.localName == 'xmlns':
                        nss[None] = attr.value
                    else:
                        nss[attr.localName] = attr.value
                elif attr.namespaceURI:
                    nss[attr.prefix] = attr.namespaceURI
            SeekNss(child, nss)
    return nss 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def _set_prefix(self, prefix):
        nsuri = self.namespaceURI
        if prefix == "xmlns":
            if nsuri and nsuri != XMLNS_NAMESPACE:
                raise xml.dom.NamespaceErr(
                    "illegal use of 'xmlns' prefix for the wrong namespace")
        self._prefix = prefix
        if prefix is None:
            newName = self.localName
        else:
            newName = "%s:%s" % (prefix, self.localName)
        if self.ownerElement:
            _clear_id_cache(self.ownerElement)
        self.name = newName 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def _set_prefix(self, prefix):
        nsuri = self.namespaceURI
        if prefix == "xmlns":
            if nsuri and nsuri != XMLNS_NAMESPACE:
                raise xml.dom.NamespaceErr(
                    "illegal use of 'xmlns' prefix for the wrong namespace")
        d = self.__dict__
        d['prefix'] = prefix
        if prefix is None:
            newName = self.localName
        else:
            newName = "%s:%s" % (prefix, self.localName)
        if self.ownerElement:
            _clear_id_cache(self.ownerElement)
        d['nodeName'] = d['name'] = newName 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def visitAttr(self, node):
        if node.namespaceURI == XMLNS_NAMESPACE:
            # Skip namespace declarations
            return
        self._write(' ' + node.name)
        value = node.value
        if value or not self._html:
            text = TranslateCdata(value, self.encoding)
            text, delimiter = TranslateCdataAttr(text)
            self.stream.write("=%s%s%s" % (delimiter, text, delimiter))
        return 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
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 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def renameNode(self, n, namespaceURI, name):
        if n.ownerDocument is not self:
            raise xml.dom.WrongDocumentErr(
                "cannot rename nodes from other documents;\n"
                "expected %s,\nfound %s" % (self, n.ownerDocument))
        if n.nodeType not in (Node.ELEMENT_NODE, Node.ATTRIBUTE_NODE):
            raise xml.dom.NotSupportedErr(
                "renameNode() only applies to element and attribute nodes")
        if namespaceURI != EMPTY_NAMESPACE:
            if ':' in name:
                prefix, localName = name.split(':', 1)
                if (  prefix == "xmlns"
                      and namespaceURI != xml.dom.XMLNS_NAMESPACE):
                    raise xml.dom.NamespaceErr(
                        "illegal use of 'xmlns' prefix")
            else:
                if (  name == "xmlns"
                      and namespaceURI != xml.dom.XMLNS_NAMESPACE
                      and n.nodeType == Node.ATTRIBUTE_NODE):
                    raise xml.dom.NamespaceErr(
                        "illegal use of the 'xmlns' attribute")
                prefix = None
                localName = name
        else:
            prefix = None
            localName = None
        if n.nodeType == Node.ATTRIBUTE_NODE:
            element = n.ownerElement
            if element is not None:
                is_id = n._is_id
                element.removeAttributeNode(n)
        else:
            element = None
        n.prefix = prefix
        n._localName = localName
        n.namespaceURI = namespaceURI
        n.nodeName = name
        if n.nodeType == Node.ELEMENT_NODE:
            n.tagName = name
        else:
            # attribute node
            n.name = name
            if element is not None:
                element.setAttributeNode(n)
                if is_id:
                    element.setIdAttributeNode(n)
        # It's not clear from a semantic perspective whether we should
        # call the user data handlers for the NODE_RENAMED event since
        # we're re-using the existing node.  The draft spec has been
        # interpreted as meaning "no, don't call the handler unless a
        # new node is created."
        return n 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
def renameNode(self, n, namespaceURI, name):
        if n.ownerDocument is not self:
            raise xml.dom.WrongDocumentErr(
                "cannot rename nodes from other documents;\n"
                "expected %s,\nfound %s" % (self, n.ownerDocument))
        if n.nodeType not in (Node.ELEMENT_NODE, Node.ATTRIBUTE_NODE):
            raise xml.dom.NotSupportedErr(
                "renameNode() only applies to element and attribute nodes")
        if namespaceURI != EMPTY_NAMESPACE:
            if ':' in name:
                prefix, localName = name.split(':', 1)
                if (  prefix == "xmlns"
                      and namespaceURI != xml.dom.XMLNS_NAMESPACE):
                    raise xml.dom.NamespaceErr(
                        "illegal use of 'xmlns' prefix")
            else:
                if (  name == "xmlns"
                      and namespaceURI != xml.dom.XMLNS_NAMESPACE
                      and n.nodeType == Node.ATTRIBUTE_NODE):
                    raise xml.dom.NamespaceErr(
                        "illegal use of the 'xmlns' attribute")
                prefix = None
                localName = name
        else:
            prefix = None
            localName = None
        if n.nodeType == Node.ATTRIBUTE_NODE:
            element = n.ownerElement
            if element is not None:
                is_id = n._is_id
                element.removeAttributeNode(n)
        else:
            element = None
        # avoid __setattr__
        d = n.__dict__
        d['prefix'] = prefix
        d['localName'] = localName
        d['namespaceURI'] = namespaceURI
        d['nodeName'] = name
        if n.nodeType == Node.ELEMENT_NODE:
            d['tagName'] = name
        else:
            # attribute node
            d['name'] = name
            if element is not None:
                element.setAttributeNode(n)
                if is_id:
                    element.setIdAttributeNode(n)
        # It's not clear from a semantic perspective whether we should
        # call the user data handlers for the NODE_RENAMED event since
        # we're re-using the existing node.  The draft spec has been
        # interpreted as meaning "no, don't call the handler unless a
        # new node is created."
        return n 

# 需要导入模块: from xml import dom [as 别名]
# 或者: from xml.dom import XMLNS_NAMESPACE [as 别名]
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)
                d = a.childNodes[0].__dict__
                d['data'] = d['nodeValue'] = uri
                d = a.__dict__
                d['value'] = d['nodeValue'] = uri
                d['ownerDocument'] = self.document
                _set_attribute_node(node, a)
            del self._ns_ordered_prefixes[:]

        if 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
                d = a.childNodes[0].__dict__
                d['data'] = d['nodeValue'] = value
                d = a.__dict__
                d['ownerDocument'] = self.document
                d['value'] = d['nodeValue'] = value
                d['ownerElement'] = node