Python pulldom.START_ELEMENT属性代码示例

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def test_expandItem(self):
        """Ensure expandItem works as expected."""
        items = pulldom.parseString(SMALL_SAMPLE)
        # Loop through the nodes until we get to a "title" start tag:
        for evt, item in items:
            if evt == pulldom.START_ELEMENT and item.tagName == "title":
                items.expandNode(item)
                self.assertEqual(1, len(item.childNodes))
                break
        else:
            self.fail("No \"title\" element detected in SMALL_SAMPLE!")
        # Loop until we get to the next start-element:
        for evt, node in items:
            if evt == pulldom.START_ELEMENT:
                break
        self.assertEqual("hr", node.tagName,
            "expandNode did not leave DOMEventStream in the correct state.")
        # Attempt to expand a standalone element:
        items.expandNode(node)
        self.assertEqual(next(items)[0], pulldom.CHARACTERS)
        evt, node = next(items)
        self.assertEqual(node.tagName, "p")
        items.expandNode(node)
        next(items) # Skip character data
        evt, node = next(items)
        self.assertEqual(node.tagName, "html")
        with self.assertRaises(StopIteration):
            next(items)
        items.clear()
        self.assertIsNone(items.parser)
        self.assertIsNone(items.stream) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def test_basic(self):
        """Ensure SAX2DOM can parse from a stream."""
        with io.StringIO(SMALL_SAMPLE) as fin:
            sd = SAX2DOMTestHelper(fin, xml.sax.make_parser(),
                                   len(SMALL_SAMPLE))
            for evt, node in sd:
                if evt == pulldom.START_ELEMENT and node.tagName == "html":
                    break
            # Because the buffer is the same length as the XML, all the
            # nodes should have been parsed and added:
            self.assertGreater(len(node.childNodes), 0) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def PullDOMAdapter(node):
    from xml.dom import Node
    from xml.dom.pulldom import START_ELEMENT, END_ELEMENT, COMMENT, CHARACTERS

    if node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE):
        for childNode in node.childNodes:
            for event in PullDOMAdapter(childNode):
                yield event

    elif node.nodeType == Node.DOCUMENT_TYPE_NODE:
        raise NotImplementedError("DOCTYPE nodes are not supported by PullDOM")

    elif node.nodeType == Node.COMMENT_NODE:
        yield COMMENT, node

    elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
        yield CHARACTERS, node

    elif node.nodeType == Node.ELEMENT_NODE:
        yield START_ELEMENT, node
        for childNode in node.childNodes:
            for event in PullDOMAdapter(childNode):
                yield event
        yield END_ELEMENT, node

    else:
        raise NotImplementedError("Node type not supported: " + str(node.nodeType)) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def testAttributes(self):
        attrText = []
        for event, node in pulldom.parse(self.testFile):
            if event == pulldom.START_ELEMENT:
                for attrIx in range(node.attributes.length):
                    attrText.append(node.attributes.item(attrIx).value)
        try:
            result = u"".join(attrText)
            self.failUnlessEqual(repr(result), r"u'\u0396\u0397\u0398\u0399\u039a'")
        except Exception, x:
            self.fail("Unexpected exception joining attribute text pieces: %s" % str(x)) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def xxe():
    doc = parseString(request.form['xxe'])
    try:
        for event, node in doc:
            if event == START_ELEMENT and node.localName == "items":
                doc.expandNode(node)
                nodes = node.toxml()
        return render_template("index.html", nodes=nodes)
    except (UnboundLocalError, xml.sax._exceptions.SAXParseException):
        return render_template("index.html") 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def _is_start(event, node, tagName):  # pylint: disable=invalid-name
    """Return true if (event, node) is a start event for tagname."""

    return event == pulldom.START_ELEMENT and node.tagName == tagName 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def parse_any(stream_or_string):
    """Parse any XML string or stream. This function fabricates
       the names of the parser functions by prepending parse_ to
       the node name and then calling that function.
    """

    parser = make_parser(stream_or_string)

    (event, node) = six.next(parser)

    if event != pulldom.START_DOCUMENT:
        raise ParseError('Expecting document start')

    (event, node) = six.next(parser)

    if event != pulldom.START_ELEMENT:
        raise ParseError('Expecting element start')

    fn_name = 'parse_%s' % node.tagName.lower().replace('.', '_')
    fn = globals().get(fn_name)
    if fn is None:
        raise ParseError('No parser for element %s' % node.tagName)

    return fn(parser, event, node)

# Test harness 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def test_parse_semantics(self):
        """Test DOMEventStream parsing semantics."""

        items = pulldom.parseString(SMALL_SAMPLE)
        evt, node = next(items)
        # Just check the node is a Document:
        self.assertTrue(hasattr(node, "createElement"))
        self.assertEqual(pulldom.START_DOCUMENT, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("html", node.tagName)
        self.assertEqual(2, len(node.attributes))
        self.assertEqual(node.attributes.getNamedItem("xmlns:xdc").value,
              "http://www.xml.com/books")
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt) # Line break
        evt, node = next(items)
        # XXX - A comment should be reported here!
        # self.assertEqual(pulldom.COMMENT, evt)
        # Line break after swallowed comment:
        self.assertEqual(pulldom.CHARACTERS, evt)
        evt, node = next(items)
        self.assertEqual("title", node.tagName)
        title_node = node
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt)
        self.assertEqual("Introduction to XSL", node.data)
        evt, node = next(items)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        self.assertEqual("title", node.tagName)
        self.assertTrue(title_node is node)
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("hr", node.tagName)
        evt, node = next(items)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        self.assertEqual("hr", node.tagName)
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("p", node.tagName)
        evt, node = next(items)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("xdc:author", node.tagName)
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        self.assertEqual("xdc:author", node.tagName)
        evt, node = next(items)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.CHARACTERS, evt)
        evt, node = next(items)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        # XXX No END_DOCUMENT item is ever obtained:
        #evt, node = next(items)
        #self.assertEqual(pulldom.END_DOCUMENT, evt) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def _test_thorough(self, pd, before_root=True):
        """Test some of the hard-to-reach parts of the parser, using a mock
        parser."""

        evt, node = next(pd)
        self.assertEqual(pulldom.START_DOCUMENT, evt)
        # Just check the node is a Document:
        self.assertTrue(hasattr(node, "createElement"))

        if before_root:
            evt, node = next(pd)
            self.assertEqual(pulldom.COMMENT, evt)
            self.assertEqual("a comment", node.data)
            evt, node = next(pd)
            self.assertEqual(pulldom.PROCESSING_INSTRUCTION, evt)
            self.assertEqual("target", node.target)
            self.assertEqual("data", node.data)

        evt, node = next(pd)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("html", node.tagName)

        evt, node = next(pd)
        self.assertEqual(pulldom.COMMENT, evt)
        self.assertEqual("a comment", node.data)
        evt, node = next(pd)
        self.assertEqual(pulldom.PROCESSING_INSTRUCTION, evt)
        self.assertEqual("target", node.target)
        self.assertEqual("data", node.data)

        evt, node = next(pd)
        self.assertEqual(pulldom.START_ELEMENT, evt)
        self.assertEqual("p", node.tagName)

        evt, node = next(pd)
        self.assertEqual(pulldom.CHARACTERS, evt)
        self.assertEqual("text", node.data)
        evt, node = next(pd)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        self.assertEqual("p", node.tagName)
        evt, node = next(pd)
        self.assertEqual(pulldom.END_ELEMENT, evt)
        self.assertEqual("html", node.tagName)
        evt, node = next(pd)
        self.assertEqual(pulldom.END_DOCUMENT, evt) 

# 需要导入模块: from xml.dom import pulldom [as 别名]
# 或者: from xml.dom.pulldom import START_ELEMENT [as 别名]
def startElementNS(self, name, tagName , attrs):
        # Retrieve xml namespace declaration attributes.
        xmlns_uri = 'http://www.w3.org/2000/xmlns/'
        xmlns_attrs = getattr(self, '_xmlns_attrs', None)
        if xmlns_attrs is not None:
            for aname, value in xmlns_attrs:
                attrs._attrs[(xmlns_uri, aname)] = value
            self._xmlns_attrs = []
        uri, localname = name
        if uri:
            # When using namespaces, the reader may or may not
            # provide us with the original name. If not, create
            # *a* valid tagName from the current context.
            if tagName is None:
                prefix = self._current_context[uri]
                if prefix:
                    tagName = prefix + ":" + localname
                else:
                    tagName = localname
            if self.document:
                node = self.document.createElementNS(uri, tagName)
            else:
                node = self.buildDocument(uri, tagName)
        else:
            # When the tagname is not prefixed, it just appears as
            # localname
            if self.document:
                node = self.document.createElement(localname)
            else:
                node = self.buildDocument(None, localname)

        for aname,value in attrs.items():
            a_uri, a_localname = aname
            if a_uri == xmlns_uri:
                if a_localname == 'xmlns':
                    qname = a_localname
                else:
                    qname = 'xmlns:' + a_localname
                attr = self.document.createAttributeNS(a_uri, qname)
                node.setAttributeNodeNS(attr)
            elif a_uri:
                prefix = self._current_context[a_uri]
                if prefix:
                    qname = prefix + ":" + a_localname
                else:
                    qname = a_localname
                attr = self.document.createAttributeNS(a_uri, qname)
                node.setAttributeNodeNS(attr)
            else:
                attr = self.document.createAttribute(a_localname)
                node.setAttributeNode(attr)
            attr.value = value

        self.lastEvent[1] = [(START_ELEMENT, node), None]
        self.lastEvent = self.lastEvent[1]
        self.push(node)