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Limnoria/others/SOAPpy/wstools/Utility.py

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# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
ident = "$Id$"
import types
import string, httplib, smtplib, urllib, socket, weakref
import xml.dom.minidom
from string import join, strip, split
from UserDict import UserDict
from StringIO import StringIO
from TimeoutSocket import TimeoutSocket, TimeoutError
from urlparse import urlparse
from httplib import HTTPConnection, HTTPSConnection
from exceptions import Exception
try:
from xml.dom.ext import SplitQName
except:
def SplitQName(qname):
'''SplitQName(qname) -> (string, string)
Split Qualified Name into a tuple of len 2, consisting
of the prefix and the local name.
(prefix, localName)
Special Cases:
xmlns -- (localName, 'xmlns')
None -- (None, localName)
'''
l = qname.split(':')
if len(l) == 1:
l.insert(0, None)
elif len(l) == 2:
if l[0] == 'xmlns':
l.reverse()
else:
return
return tuple(l)
class RecursionError(Exception):
"""Used to indicate a HTTP redirect recursion."""
pass
class HTTPResponse:
"""Captures the information in an HTTP response message."""
def __init__(self, response):
self.status = response.status
self.reason = response.reason
self.headers = response.msg
self.body = response.read() or None
response.close()
class TimeoutHTTP(HTTPConnection):
"""A custom http connection object that supports socket timeout."""
def __init__(self, host, port=None, timeout=20):
HTTPConnection.__init__(self, host, port)
self.timeout = timeout
def connect(self):
self.sock = TimeoutSocket(self.timeout)
self.sock.connect((self.host, self.port))
class TimeoutHTTPS(HTTPSConnection):
"""A custom https object that supports socket timeout. Note that this
is not really complete. The builtin SSL support in the Python socket
module requires a real socket (type) to be passed in to be hooked to
SSL. That means our fake socket won't work and our timeout hacks are
bypassed for send and recv calls. Since our hack _is_ in place at
connect() time, it should at least provide some timeout protection."""
def __init__(self, host, port=None, timeout=20, **kwargs):
HTTPSConnection.__init__(self, str(host), port, **kwargs)
self.timeout = timeout
def connect(self):
sock = TimeoutSocket(self.timeout)
sock.connect((self.host, self.port))
realsock = getattr(sock.sock, '_sock', sock.sock)
ssl = socket.ssl(realsock, self.key_file, self.cert_file)
self.sock = httplib.FakeSocket(sock, ssl)
def urlopen(url, timeout=20, redirects=None):
"""A minimal urlopen replacement hack that supports timeouts for http.
Note that this supports GET only."""
scheme, host, path, params, query, frag = urlparse(url)
if not scheme in ('http', 'https'):
return urllib.urlopen(url)
if params: path = '%s;%s' % (path, params)
if query: path = '%s?%s' % (path, query)
if frag: path = '%s#%s' % (path, frag)
if scheme == 'https':
# If ssl is not compiled into Python, you will not get an exception
# until a conn.endheaders() call. We need to know sooner, so use
# getattr.
if hasattr(socket, 'ssl'):
conn = TimeoutHTTPS(host, None, timeout)
else:
import M2Crypto
ctx = M2Crypto.SSL.Context()
ctx.set_session_timeout(timeout)
conn = M2Crypto.httpslib.HTTPSConnection(host, ssl_context=ctx)
#conn.set_debuglevel(1)
else:
conn = TimeoutHTTP(host, None, timeout)
conn.putrequest('GET', path)
conn.putheader('Connection', 'close')
conn.endheaders()
response = None
while 1:
response = conn.getresponse()
if response.status != 100:
break
conn._HTTPConnection__state = httplib._CS_REQ_SENT
conn._HTTPConnection__response = None
status = response.status
# If we get an HTTP redirect, we will follow it automatically.
if status >= 300 and status < 400:
location = response.msg.getheader('location')
if location is not None:
response.close()
if redirects is not None and redirects.has_key(location):
raise RecursionError(
'Circular HTTP redirection detected.'
)
if redirects is None:
redirects = {}
redirects[location] = 1
return urlopen(location, timeout, redirects)
raise HTTPResponse(response)
if not (status >= 200 and status < 300):
raise HTTPResponse(response)
body = StringIO(response.read())
response.close()
return body
class DOM:
"""The DOM singleton defines a number of XML related constants and
provides a number of utility methods for DOM related tasks. It
also provides some basic abstractions so that the rest of the
package need not care about actual DOM implementation in use."""
# Namespace stuff related to the SOAP specification.
NS_SOAP_ENV_1_1 = 'http://schemas.xmlsoap.org/soap/envelope/'
NS_SOAP_ENC_1_1 = 'http://schemas.xmlsoap.org/soap/encoding/'
NS_SOAP_ENV_1_2 = 'http://www.w3.org/2001/06/soap-envelope'
NS_SOAP_ENC_1_2 = 'http://www.w3.org/2001/06/soap-encoding'
NS_SOAP_ENV_ALL = (NS_SOAP_ENV_1_1, NS_SOAP_ENV_1_2)
NS_SOAP_ENC_ALL = (NS_SOAP_ENC_1_1, NS_SOAP_ENC_1_2)
NS_SOAP_ENV = NS_SOAP_ENV_1_1
NS_SOAP_ENC = NS_SOAP_ENC_1_1
_soap_uri_mapping = {
NS_SOAP_ENV_1_1 : '1.1',
NS_SOAP_ENV_1_2 : '1.2',
}
SOAP_ACTOR_NEXT_1_1 = 'http://schemas.xmlsoap.org/soap/actor/next'
SOAP_ACTOR_NEXT_1_2 = 'http://www.w3.org/2001/06/soap-envelope/actor/next'
SOAP_ACTOR_NEXT_ALL = (SOAP_ACTOR_NEXT_1_1, SOAP_ACTOR_NEXT_1_2)
def SOAPUriToVersion(self, uri):
"""Return the SOAP version related to an envelope uri."""
value = self._soap_uri_mapping.get(uri)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP envelope uri: %s' % uri
)
def GetSOAPEnvUri(self, version):
"""Return the appropriate SOAP envelope uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'NS_SOAP_ENV_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)
def GetSOAPEncUri(self, version):
"""Return the appropriate SOAP encoding uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'NS_SOAP_ENC_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)
def GetSOAPActorNextUri(self, version):
"""Return the right special next-actor uri for a given
human-friendly SOAP version string (e.g. '1.1')."""
attrname = 'SOAP_ACTOR_NEXT_%s' % join(split(version, '.'), '_')
value = getattr(self, attrname, None)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP version: %s' % version
)
# Namespace stuff related to XML Schema.
NS_XSD_99 = 'http://www.w3.org/1999/XMLSchema'
NS_XSI_99 = 'http://www.w3.org/1999/XMLSchema-instance'
NS_XSD_00 = 'http://www.w3.org/2000/10/XMLSchema'
NS_XSI_00 = 'http://www.w3.org/2000/10/XMLSchema-instance'
NS_XSD_01 = 'http://www.w3.org/2001/XMLSchema'
NS_XSI_01 = 'http://www.w3.org/2001/XMLSchema-instance'
NS_XSD_ALL = (NS_XSD_99, NS_XSD_00, NS_XSD_01)
NS_XSI_ALL = (NS_XSI_99, NS_XSI_00, NS_XSI_01)
NS_XSD = NS_XSD_01
NS_XSI = NS_XSI_01
_xsd_uri_mapping = {
NS_XSD_99 : NS_XSI_99,
NS_XSD_00 : NS_XSI_00,
NS_XSD_01 : NS_XSI_01,
}
for key, value in _xsd_uri_mapping.items():
_xsd_uri_mapping[value] = key
def InstanceUriForSchemaUri(self, uri):
"""Return the appropriate matching XML Schema instance uri for
the given XML Schema namespace uri."""
return self._xsd_uri_mapping.get(uri)
def SchemaUriForInstanceUri(self, uri):
"""Return the appropriate matching XML Schema namespace uri for
the given XML Schema instance namespace uri."""
return self._xsd_uri_mapping.get(uri)
# Namespace stuff related to WSDL.
NS_WSDL_1_1 = 'http://schemas.xmlsoap.org/wsdl/'
NS_WSDL_ALL = (NS_WSDL_1_1,)
NS_WSDL = NS_WSDL_1_1
NS_SOAP_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/soap/'
NS_HTTP_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/http/'
NS_MIME_BINDING_1_1 = 'http://schemas.xmlsoap.org/wsdl/mime/'
NS_SOAP_BINDING_ALL = (NS_SOAP_BINDING_1_1,)
NS_HTTP_BINDING_ALL = (NS_HTTP_BINDING_1_1,)
NS_MIME_BINDING_ALL = (NS_MIME_BINDING_1_1,)
NS_SOAP_BINDING = NS_SOAP_BINDING_1_1
NS_HTTP_BINDING = NS_HTTP_BINDING_1_1
NS_MIME_BINDING = NS_MIME_BINDING_1_1
NS_SOAP_HTTP_1_1 = 'http://schemas.xmlsoap.org/soap/http'
NS_SOAP_HTTP_ALL = (NS_SOAP_HTTP_1_1,)
NS_SOAP_HTTP = NS_SOAP_HTTP_1_1
_wsdl_uri_mapping = {
NS_WSDL_1_1 : '1.1',
}
def WSDLUriToVersion(self, uri):
"""Return the WSDL version related to a WSDL namespace uri."""
value = self._wsdl_uri_mapping.get(uri)
if value is not None:
return value
raise ValueError(
'Unsupported SOAP envelope uri: %s' % uri
)
def GetWSDLUri(self, version):
attr = 'NS_WSDL_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)
def GetWSDLSoapBindingUri(self, version):
attr = 'NS_SOAP_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)
def GetWSDLHttpBindingUri(self, version):
attr = 'NS_HTTP_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)
def GetWSDLMimeBindingUri(self, version):
attr = 'NS_MIME_BINDING_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)
def GetWSDLHttpTransportUri(self, version):
attr = 'NS_SOAP_HTTP_%s' % join(split(version, '.'), '_')
value = getattr(self, attr, None)
if value is not None:
return value
raise ValueError(
'Unsupported WSDL version: %s' % version
)
# Other xml namespace constants.
NS_XMLNS = 'http://www.w3.org/2000/xmlns/'
def isElement(self, node, name, nsuri=None):
"""Return true if the given node is an element with the given
name and optional namespace uri."""
if node.nodeType != node.ELEMENT_NODE:
return 0
return node.localName == name and \
(nsuri is None or self.nsUriMatch(node.namespaceURI, nsuri))
def getElement(self, node, name, nsuri=None, default=join):
"""Return the first child of node with a matching name and
namespace uri, or the default if one is provided."""
nsmatch = self.nsUriMatch
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if ((child.localName == name or name is None) and
(nsuri is None or nsmatch(child.namespaceURI, nsuri))
):
return child
if default is not join:
return default
raise KeyError, name
def getElementById(self, node, id, default=join):
"""Return the first child of node matching an id reference."""
attrget = self.getAttr
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if attrget(child, 'id') == id:
return child
if default is not join:
return default
raise KeyError, name
def getMappingById(self, document, depth=None, element=None,
mapping=None, level=1):
"""Create an id -> element mapping of those elements within a
document that define an id attribute. The depth of the search
may be controlled by using the (1-based) depth argument."""
if document is not None:
element = document.documentElement
mapping = {}
attr = element._attrs.get('id', None)
if attr is not None:
mapping[attr.value] = element
if depth is None or depth > level:
level = level + 1
ELEMENT_NODE = element.ELEMENT_NODE
for child in element.childNodes:
if child.nodeType == ELEMENT_NODE:
self.getMappingById(None, depth, child, mapping, level)
return mapping
def getElements(self, node, name, nsuri=None):
"""Return a sequence of the child elements of the given node that
match the given name and optional namespace uri."""
nsmatch = self.nsUriMatch
result = []
ELEMENT_NODE = node.ELEMENT_NODE
for child in node.childNodes:
if child.nodeType == ELEMENT_NODE:
if ((child.localName == name or name is None) and (
(nsuri is None) or nsmatch(child.namespaceURI, nsuri))):
result.append(child)
return result
def hasAttr(self, node, name, nsuri=None):
"""Return true if element has attribute with the given name and
optional nsuri. If nsuri is not specified, returns true if an
attribute exists with the given name with any namespace."""
if nsuri is None:
if node.hasAttribute(name):
return True
return False
return node.hasAttributeNS(nsuri, name)
def getAttr(self, node, name, nsuri=None, default=join):
"""Return the value of the attribute named 'name' with the
optional nsuri, or the default if one is specified. If
nsuri is not specified, an attribute that matches the
given name will be returned regardless of namespace."""
if nsuri is None:
result = node._attrs.get(name, None)
if result is None:
for item in node._attrsNS.keys():
if item[1] == name:
result = node._attrsNS[item]
break
else:
result = node._attrsNS.get((nsuri, name), None)
if result is not None:
return result.value
if default is not join:
return default
return ''
def getAttrs(self, node):
"""Return a Collection of all attributes
"""
attrs = {}
for k,v in node._attrs.items():
attrs[k] = v.value
return attrs
def getElementText(self, node, preserve_ws=None):
"""Return the text value of an xml element node. Leading and trailing
whitespace is stripped from the value unless the preserve_ws flag
is passed with a true value."""
result = []
for child in node.childNodes:
nodetype = child.nodeType
if nodetype == child.TEXT_NODE or \
nodetype == child.CDATA_SECTION_NODE:
result.append(child.nodeValue)
value = join(result, '')
if preserve_ws is None:
value = strip(value)
return value
def findNamespaceURI(self, prefix, node):
"""Find a namespace uri given a prefix and a context node."""
attrkey = (self.NS_XMLNS, prefix)
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = node._attrsNS.get(attrkey, None)
if result is not None:
return result.value
if hasattr(node, '__imported__'):
raise DOMException('Value for prefix %s not found.' % prefix)
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Value for prefix %s not found.' % prefix)
def findDefaultNS(self, node):
"""Return the current default namespace uri for the given node."""
attrkey = (self.NS_XMLNS, 'xmlns')
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = node._attrsNS.get(attrkey, None)
if result is not None:
return result.value
if hasattr(node, '__imported__'):
raise DOMException('Cannot determine default namespace.')
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Cannot determine default namespace.')
def findTargetNS(self, node):
"""Return the defined target namespace uri for the given node."""
attrget = self.getAttr
attrkey = (self.NS_XMLNS, 'xmlns')
DOCUMENT_NODE = node.DOCUMENT_NODE
ELEMENT_NODE = node.ELEMENT_NODE
while 1:
if node.nodeType != ELEMENT_NODE:
node = node.parentNode
continue
result = attrget(node, 'targetNamespace', default=None)
if result is not None:
return result
node = node.parentNode
if node.nodeType == DOCUMENT_NODE:
raise DOMException('Cannot determine target namespace.')
def getTypeRef(self, element):
"""Return (namespaceURI, name) for a type attribue of the given
element, or None if the element does not have a type attribute."""
typeattr = self.getAttr(element, 'type', default=None)
if typeattr is None:
return None
parts = typeattr.split(':', 1)
if len(parts) == 2:
nsuri = self.findNamespaceURI(parts[0], element)
else:
nsuri = self.findDefaultNS(element)
return (nsuri, parts[1])
def importNode(self, document, node, deep=0):
"""Implements (well enough for our purposes) DOM node import."""
nodetype = node.nodeType
if nodetype in (node.DOCUMENT_NODE, node.DOCUMENT_TYPE_NODE):
raise DOMException('Illegal node type for importNode')
if nodetype == node.ENTITY_REFERENCE_NODE:
deep = 0
clone = node.cloneNode(deep)
self._setOwnerDoc(document, clone)
clone.__imported__ = 1
return clone
def _setOwnerDoc(self, document, node):
node.ownerDocument = document
for child in node.childNodes:
self._setOwnerDoc(document, child)
def nsUriMatch(self, value, wanted, strict=0, tt=type(())):
"""Return a true value if two namespace uri values match."""
if value == wanted or (type(wanted) is tt) and value in wanted:
return 1
if not strict:
wanted = type(wanted) is tt and wanted or (wanted,)
value = value[-1:] != '/' and value or value[:-1]
for item in wanted:
if item == value or item[:-1] == value:
return 1
return 0
def createDocument(self, nsuri, qname, doctype=None):
"""Create a new writable DOM document object."""
impl = xml.dom.minidom.getDOMImplementation()
return impl.createDocument(nsuri, qname, doctype)
def loadDocument(self, data):
"""Load an xml file from a file-like object and return a DOM
document instance."""
return xml.dom.minidom.parse(data)
def loadFromURL(self, url):
"""Load an xml file from a URL and return a DOM document."""
file = urlopen(url)
try: result = self.loadDocument(file)
finally: file.close()
return result
class DOMException(Exception):
pass
DOM = DOM()
class Collection(UserDict):
"""Helper class for maintaining ordered named collections."""
default = lambda self,k: k.name
def __init__(self, parent, key=None):
UserDict.__init__(self)
self.parent = weakref.ref(parent)
self.list = []
self._func = key or self.default
def __getitem__(self, key):
if type(key) is type(1):
return self.list[key]
return self.data[key]
def __setitem__(self, key, item):
item.parent = weakref.ref(self)
self.list.append(item)
self.data[key] = item
def keys(self):
return map(lambda i: self._func(i), self.list)
def items(self):
return map(lambda i: (self._func(i), i), self.list)
def values(self):
return self.list
class CollectionNS(UserDict):
"""Helper class for maintaining ordered named collections."""
default = lambda self,k: k.name
def __init__(self, parent, key=None):
UserDict.__init__(self)
self.parent = weakref.ref(parent)
self.targetNamespace = None
self.list = []
self._func = key or self.default
def __getitem__(self, key):
self.targetNamespace = self.parent().targetNamespace
if type(key) is types.IntType:
return self.list[key]
elif self.__isSequence(key):
nsuri,name = key
return self.data[nsuri][name]
return self.data[self.parent().targetNamespace][key]
def __setitem__(self, key, item):
item.parent = weakref.ref(self)
self.list.append(item)
targetNamespace = getattr(item, 'targetNamespace', self.parent().targetNamespace)
if not self.data.has_key(targetNamespace):
self.data[targetNamespace] = {}
self.data[targetNamespace][key] = item
def __isSequence(self, key):
return (type(key) in (types.TupleType,types.ListType) and len(key) == 2)
def keys(self):
keys = []
for tns in self.data.keys():
keys.append(map(lambda i: (tns,self._func(i)), self.data[tns].values()))
return keys
def items(self):
return map(lambda i: (self._func(i), i), self.list)
def values(self):
return self.list
# This is a runtime guerilla patch for pulldom (used by minidom) so
# that xml namespace declaration attributes are not lost in parsing.
# We need them to do correct QName linking for XML Schema and WSDL.
# The patch has been submitted to SF for the next Python version.
from xml.dom.pulldom import PullDOM, START_ELEMENT
if 1:
def startPrefixMapping(self, prefix, uri):
if not hasattr(self, '_xmlns_attrs'):
self._xmlns_attrs = []
self._xmlns_attrs.append((prefix or 'xmlns', uri))
self._ns_contexts.append(self._current_context.copy())
self._current_context[uri] = prefix or ''
PullDOM.startPrefixMapping = startPrefixMapping
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)
PullDOM.startElementNS = startElementNS
#
# This is a runtime guerilla patch for minidom so
# that xmlns prefixed attributes dont raise AttributeErrors
# during cloning.
#
# Namespace declarations can appear in any start-tag, must look for xmlns
# prefixed attribute names during cloning.
#
# key (attr.namespaceURI, tag)
# ('http://www.w3.org/2000/xmlns/', u'xsd') <xml.dom.minidom.Attr instance at 0x82227c4>
# ('http://www.w3.org/2000/xmlns/', 'xmlns') <xml.dom.minidom.Attr instance at 0x8414b3c>
#
# xml.dom.minidom.Attr.nodeName = xmlns:xsd
# xml.dom.minidom.Attr.value = = http://www.w3.org/2001/XMLSchema
if 1:
def _clone_node(node, deep, newOwnerDocument):
"""
Clone a node and give it the new owner document.
Called by Node.cloneNode and Document.importNode
"""
if node.ownerDocument.isSameNode(newOwnerDocument):
operation = xml.dom.UserDataHandler.NODE_CLONED
else:
operation = xml.dom.UserDataHandler.NODE_IMPORTED
if node.nodeType == xml.dom.minidom.Node.ELEMENT_NODE:
clone = newOwnerDocument.createElementNS(node.namespaceURI,
node.nodeName)
for attr in node.attributes.values():
clone.setAttributeNS(attr.namespaceURI, attr.nodeName, attr.value)
prefix, tag = xml.dom.minidom._nssplit(attr.nodeName)
if prefix == 'xmlns':
a = clone.getAttributeNodeNS(attr.namespaceURI, tag)
elif prefix:
a = clone.getAttributeNodeNS(attr.namespaceURI, tag)
else:
a = clone.getAttributeNodeNS(attr.namespaceURI, attr.nodeName)
a.specified = attr.specified
if deep:
for child in node.childNodes:
c = xml.dom.minidom._clone_node(child, deep, newOwnerDocument)
clone.appendChild(c)
elif node.nodeType == xml.dom.minidom.Node.DOCUMENT_FRAGMENT_NODE:
clone = newOwnerDocument.createDocumentFragment()
if deep:
for child in node.childNodes:
c = xml.dom.minidom._clone_node(child, deep, newOwnerDocument)
clone.appendChild(c)
elif node.nodeType == xml.dom.minidom.Node.TEXT_NODE:
clone = newOwnerDocument.createTextNode(node.data)
elif node.nodeType == xml.dom.minidom.Node.CDATA_SECTION_NODE:
clone = newOwnerDocument.createCDATASection(node.data)
elif node.nodeType == xml.dom.minidom.Node.PROCESSING_INSTRUCTION_NODE:
clone = newOwnerDocument.createProcessingInstruction(node.target,
node.data)
elif node.nodeType == xml.dom.minidom.Node.COMMENT_NODE:
clone = newOwnerDocument.createComment(node.data)
elif node.nodeType == xml.dom.minidom.Node.ATTRIBUTE_NODE:
clone = newOwnerDocument.createAttributeNS(node.namespaceURI,
node.nodeName)
clone.specified = True
clone.value = node.value
elif node.nodeType == xml.dom.minidom.Node.DOCUMENT_TYPE_NODE:
assert node.ownerDocument is not newOwnerDocument
operation = xml.dom.UserDataHandler.NODE_IMPORTED
clone = newOwnerDocument.implementation.createDocumentType(
node.name, node.publicId, node.systemId)
clone.ownerDocument = newOwnerDocument
if deep:
clone.entities._seq = []
clone.notations._seq = []
for n in node.notations._seq:
notation = xml.dom.minidom.Notation(n.nodeName, n.publicId, n.systemId)
notation.ownerDocument = newOwnerDocument
clone.notations._seq.append(notation)
if hasattr(n, '_call_user_data_handler'):
n._call_user_data_handler(operation, n, notation)
for e in node.entities._seq:
entity = xml.dom.minidom.Entity(e.nodeName, e.publicId, e.systemId,
e.notationName)
entity.actualEncoding = e.actualEncoding
entity.encoding = e.encoding
entity.version = e.version
entity.ownerDocument = newOwnerDocument
clone.entities._seq.append(entity)
if hasattr(e, '_call_user_data_handler'):
e._call_user_data_handler(operation, n, entity)
else:
# Note the cloning of Document and DocumentType nodes is
# implemenetation specific. minidom handles those cases
# directly in the cloneNode() methods.
raise xml.dom.NotSupportedErr("Cannot clone node %s" % repr(node))
# Check for _call_user_data_handler() since this could conceivably
# used with other DOM implementations (one of the FourThought
# DOMs, perhaps?).
if hasattr(node, '_call_user_data_handler'):
node._call_user_data_handler(operation, node, clone)
return clone
xml.dom.minidom._clone_node = _clone_node
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