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Commit de741eec authored by Fred Drake's avatar Fred Drake
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Conform to the Python style guide.

parent 37170616
Show whitespace changes
Inline Side-by-side
Showing with 367 additions and 362 deletions
Lib/xml/dom/minidom.py
View file @ de741eec
import pulldom
import string
from StringIO import StringIO
import types
"""
"""\
minidom.py -- a lightweight DOM implementation based on SAX.
parse( "foo.xml" )
......@@ -19,6 +14,11 @@ Todo:
* SAX 2 namespaces
"""
import pulldom
import string
from StringIO import StringIO
import types
class Node:
ELEMENT_NODE = 1
ATTRIBUTE_NODE = 2
......@@ -33,229 +33,234 @@ class Node:
DOCUMENT_FRAGMENT_NODE = 11
NOTATION_NODE = 12
allnodes={}
_debug=0
_makeParentNodes=1
debug=None
allnodes = {}
_debug = 0
_makeParentNodes = 1
debug = None
def __init__( self ):
self.childNodes=[]
def __init__(self):
self.childNodes = []
if Node._debug:
index=repr( id( self ))+repr( self.__class__ )
Node.allnodes[index]=repr( self.__dict__ )
if Node.debug==None:
Node.debug=StringIO()
index = repr(id(self)) + repr(self.__class__)
Node.allnodes[index] = repr(self.__dict__)
if Node.debug is None:
Node.debug = StringIO()
#open( "debug4.out", "w" )
Node.debug.write( "create %s\n"%index )
Node.debug.write("create %s\n" % index)
def __getattr__( self, key ):
if key[0:2]=="__": raise AttributeError
def __getattr__(self, key):
if key[0:2] == "__":
raise AttributeError
# getattr should never call getattr!
if self.__dict__.has_key("inGetAttr"):
del self.inGetAttr
raise AttributeError, key
prefix,attrname=key[:5],key[5:]
if prefix=="_get_":
self.inGetAttr=1
if hasattr( self, attrname ):
prefix, attrname = key[:5], key[5:]
if prefix == "_get_":
self.inGetAttr = 1
if hasattr(self, attrname):
del self.inGetAttr
return (lambda self=self, attrname=attrname:
getattr( self, attrname ))
getattr(self, attrname))
else:
del self.inGetAttr
raise AttributeError, key
else:
self.inGetAttr=1
self.inGetAttr = 1
try:
func = getattr( self, "_get_"+key )
func = getattr(self, "_get_" + key)
except AttributeError:
raise AttributeError, key
del self.inGetAttr
return func()
def __nonzero__(self): return 1
def __nonzero__(self):
return 1
def toxml( self ):
writer=StringIO()
self.writexml( writer )
def toxml(self):
writer = StringIO()
self.writexml(writer)
return writer.getvalue()
def hasChildNodes( self ):
if self.childNodes: return 1
else: return 0
def hasChildNodes(self):
if self.childNodes:
return 1
else:
return 0
def _get_firstChild( self ):
def _get_firstChild(self):
return self.childNodes[0]
def _get_lastChild( self ):
def _get_lastChild(self):
return self.childNodes[-1]
def insertBefore( self, newChild, refChild):
index=self.childNodes.index( refChild )
self.childNodes.insert( index, newChild )
def insertBefore(self, newChild, refChild):
index = self.childNodes.index(refChild)
self.childNodes.insert(index, newChild)
if self._makeParentNodes:
newChild.parentNode=self
newChild.parentNode = self
def appendChild( self, node ):
self.childNodes.append( node )
def appendChild(self, node):
self.childNodes.append(node)
return node
def replaceChild( self, newChild, oldChild ):
index=self.childNodes.index( oldChild )
self.childNodes[index]=oldChild
def replaceChild(self, newChild, oldChild):
index = self.childNodes.index(oldChild)
self.childNodes[index] = oldChild
def removeChild( self, oldChild ):
index=self.childNodes.index( oldChild )
def removeChild(self, oldChild):
index = self.childNodes.index(oldChild)
del self.childNodes[index]
def cloneNode( self, deep ):
def cloneNode(self, deep):
import new
clone=new.instance( self.__class__, self.__dict__ )
clone.attributes=self.attributes.copy()
clone = new.instance(self.__class__, self.__dict__)
clone.attributes = self.attributes.copy()
if not deep:
clone.childNodes=[]
clone.childNodes = []
else:
clone.childNodes=map( lambda x: x.cloneNode, self.childNodes )
clone.childNodes = map(lambda x: x.cloneNode, self.childNodes)
return clone
def unlink( self ):
self.parentNode=None
def unlink(self):
self.parentNode = None
while self.childNodes:
self.childNodes[-1].unlink()
del self.childNodes[-1] # probably not most efficient!
self.childNodes=None
self.childNodes = None
if self.attributes:
for attr in self._attrs.values():
self.removeAttributeNode( attr )
assert not len( self._attrs )
assert not len( self._attrsNS )
self.removeAttributeNode(attr)
assert not len(self._attrs)
assert not len(self._attrsNS)
if Node._debug:
index=repr( id( self ))+repr( self.__class__ )
self.debug.write( "Deleting: %s\n" % index )
index = repr(id(self)) + repr(self.__class__)
self.debug.write("Deleting: %s\n" % index)
del Node.allnodes[index]
def _write_data( writer, data):
def _write_data(writer, data):
"Writes datachars to writer."
data=string.replace(data,"&","&")
data=string.replace(data,"<","&lt;")
data=string.replace(data,"\"","&quot;")
data=string.replace(data,">","&gt;")
data = string.replace(data, "&", "&amp;")
data = string.replace(data, "<", "&lt;")
data = string.replace(data, "\"", "&quot;")
data = string.replace(data, ">", "&gt;")
writer.write(data)
def _getElementsByTagNameHelper( parent, name, rc ):
def _getElementsByTagNameHelper(parent, name, rc):
for node in parent.childNodes:
if node.nodeType==Node.ELEMENT_NODE and\
(name=="*" or node.tagName==name):
rc.append( node )
_getElementsByTagNameHelper( node, name, rc )
if node.nodeType == Node.ELEMENT_NODE and \
(name == "*" or node.tagName == name):
rc.append(node)
_getElementsByTagNameHelper(node, name, rc)
return rc
def _getElementsByTagNameNSHelper( parent, nsURI, localName, rc ):
def _getElementsByTagNameNSHelper(parent, nsURI, localName, rc):
for node in parent.childNodes:
if (node.nodeType==Node.ELEMENT_NODE ):
if ((localName=="*" or node.tagName==localName) and
(nsURI=="*" or node.namespaceURI==nsURI)):
rc.append( node )
_getElementsByTagNameNSHelper( node, name, rc )
if node.nodeType == Node.ELEMENT_NODE:
if ((localName == "*" or node.tagName == localName) and
(nsURI == "*" or node.namespaceURI == nsURI)):
rc.append(node)
_getElementsByTagNameNSHelper(node, name, rc)
class Attr(Node):
nodeType=Node.ATTRIBUTE_NODE
def __init__( self, qName, namespaceURI="", localName=None,
prefix=None ):
nodeType = Node.ATTRIBUTE_NODE
def __init__(self, qName, namespaceURI="", localName=None, prefix=None):
# skip setattr for performance
self.__dict__["localName"]=localName or qName
self.__dict__["localName"] = localName or qName
self.__dict__["nodeName"] = self.__dict__["name"] = qName
self.__dict__["namespaceURI"]=namespaceURI
self.__dict__["prefix"]=prefix
self.attributes=None
Node.__init__( self )
self.__dict__["namespaceURI"] = namespaceURI
self.__dict__["prefix"] = prefix
self.attributes = None
Node.__init__(self)
# nodeValue and value are set elsewhere
def __setattr__( self, name, value ):
if name in ("value", "nodeValue" ):
self.__dict__["value"]=self.__dict__["nodeValue"]=value
def __setattr__(self, name, value):
if name in ("value", "nodeValue"):
self.__dict__["value"] = self.__dict__["nodeValue"] = value
else:
self.__dict__[name]=value
self.__dict__[name] = value
class AttributeList:
"""the attribute list is a transient interface to the underlying
dictionaries. mutations here will change the underlying element's
dictionary"""
def __init__( self, attrs, attrsNS ):
self._attrs=attrs
self._attrsNS=attrsNS
self.length=len( self._attrs.keys() )
def item( self, index ):
dictionaries. mutations here will change the underlying element's
dictionary"""
def __init__(self, attrs, attrsNS):
self._attrs = attrs
self._attrsNS = attrsNS
self.length = len(self._attrs.keys())
def item(self, index):
try:
return self[self.keys()[index]]
except IndexError:
return None
def items( self ):
return map( lambda node: (node.tagName, node.value),
self._attrs.values() )
def items(self):
return map(lambda node: (node.tagName, node.value),
self._attrs.values())
def itemsNS( self ):
return map( lambda node: ((node.URI, node.localName), node.value),
self._attrs.values() )
def itemsNS(self):
return map(lambda node: ((node.URI, node.localName), node.value),
self._attrs.values())
def keys( self ):
def keys(self):
return self._attrs.keys()
def keysNS( self ):
def keysNS(self):
return self._attrsNS.keys()
def values( self ):
def values(self):
return self._attrs.values()
def __len__( self ):
def __len__(self):
return self.length
def __cmp__( self, other ):
if self._attrs is getattr( other, "_attrs", None ):
def __cmp__(self, other):
if self._attrs is getattr(other, "_attrs", None):
return 0
else:
return cmp( id( self ), id( other ) )
return cmp(id(self), id(other))
#FIXME: is it appropriate to return .value?
def __getitem__( self, attname_or_tuple ):
if type( attname_or_tuple ) == types.TupleType:
def __getitem__(self, attname_or_tuple):
if type(attname_or_tuple) is types.TupleType:
return self._attrsNS[attname_or_tuple]
else:
return self._attrs[attname_or_tuple]
# same as set
def __setitem__( self, attname, value ):
if type( value ) == types.StringType:
node=Attr( attname )
def __setitem__(self, attname, value):
if type(value) is types.StringType:
node = Attr(attname)
node.value=value
else:
assert isinstance( value, Attr ) or type( value )==types.StringType
node=value
old=self._attrs.get( attname, None)
assert isinstance(value, Attr) or type(value) is types.StringType
node = value
old = self._attrs.get(attname, None)
if old:
old.unlink()
self._attrs[node.name]=node
self._attrsNS[(node.namespaceURI,node.localName)]=node
self._attrs[node.name] = node
self._attrsNS[(node.namespaceURI, node.localName)] = node
def __delitem__( self, attname_or_tuple ):
node=self[attname_or_tuple]
def __delitem__(self, attname_or_tuple):
node = self[attname_or_tuple]
node.unlink()
del self._attrs[node.name]
del self._attrsNS[(node.namespaceURI, node.localName)]
class Element( Node ):
nodeType=Node.ELEMENT_NODE
def __init__( self, tagName, namespaceURI="", prefix="",
localName=None ):
Node.__init__( self )
nodeType = Node.ELEMENT_NODE
def __init__(self, tagName, namespaceURI="", prefix="",
localName=None):
Node.__init__(self)
self.tagName = self.nodeName = tagName
self.localName=localName or tagName
self.prefix=prefix
self.namespaceURI=namespaceURI
self.nodeValue=None
self.localName = localName or tagName
self.prefix = prefix
self.namespaceURI = namespaceURI
self.nodeValue = None
self._attrs={} # attributes are double-indexed:
self._attrsNS={}# tagName -> Attribute
......@@ -264,191 +269,195 @@ class Element( Node ):
# this is too tricky for now because of headaches
# with namespaces.
def getAttribute( self, attname ):
def getAttribute(self, attname):
return self._attrs[attname].value
def getAttributeNS( self, namespaceURI, localName ):
def getAttributeNS(self, namespaceURI, localName):
return self._attrsNS[(namespaceURI, localName)].value
def setAttribute( self, attname, value ):
attr=Attr( attname )
def setAttribute(self, attname, value):
attr = Attr(attname)
# for performance
attr.__dict__["value"]=attr.__dict__["nodeValue"]=value
self.setAttributeNode( attr )
attr.__dict__["value"] = attr.__dict__["nodeValue"] = value
self.setAttributeNode(attr)
def setAttributeNS( self, namespaceURI, qualifiedName, value ):
prefix,localname=_nssplit( qualifiedName )
def setAttributeNS(self, namespaceURI, qualifiedName, value):
prefix, localname = _nssplit(qualifiedName)
# for performance
attr = Attr( qualifiedName, namespaceURI, localname, prefix )
attr.__dict__["value"]=attr.__dict__["nodeValue"]=value
self.setAttributeNode( attr )
attr = Attr(qualifiedName, namespaceURI, localname, prefix)
attr.__dict__["value"] = attr.__dict__["nodeValue"] = value
self.setAttributeNode(attr)
def getAttributeNode( self, attrname ):
return self._attrs.get( attrname )
def getAttributeNode(self, attrname):
return self._attrs.get(attrname)
def getAttributeNodeNS( self, namespaceURI, localName ):
def getAttributeNodeNS(self, namespaceURI, localName):
return self._attrsNS[(namespaceURI, localName)]
def setAttributeNode( self, attr ):
old=self._attrs.get( attr.name, None)
def setAttributeNode(self, attr):
old = self._attrs.get(attr.name, None)
if old:
old.unlink()
self._attrs[attr.name]=attr
self._attrsNS[(attr.namespaceURI,attr.localName)]=attr
self._attrs[attr.name] = attr
self._attrsNS[(attr.namespaceURI, attr.localName)] = attr
def removeAttribute( self, name ):
def removeAttribute(self, name):
attr = self._attrs[name]
self.removeAttributeNode( attr )
self.removeAttributeNode(attr)
def removeAttributeNS( self, namespaceURI, localName ):
def removeAttributeNS(self, namespaceURI, localName):
attr = self._attrsNS[(namespaceURI, localName)]
self.removeAttributeNode( attr )
self.removeAttributeNode(attr)
def removeAttributeNode( self, node ):
def removeAttributeNode(self, node):
node.unlink()
del self._attrs[node.name]
del self._attrsNS[(node.namespaceURI, node.localName)]
def getElementsByTagName( self, name ):
return _getElementsByTagNameHelper( self, name, [] )
def getElementsByTagName(self, name):
return _getElementsByTagNameHelper(self, name, [])
def getElementsByTagNameNS(self,namespaceURI,localName):
_getElementsByTagNameNSHelper( self, namespaceURI, localName, [] )
def getElementsByTagNameNS(self, namespaceURI, localName):
_getElementsByTagNameNSHelper(self, namespaceURI, localName, [])
def __repr__( self ):
return "<DOM Element:"+self.tagName+" at "+`id( self )` +" >"
def __repr__(self):
return "<DOM Element: %s at %s>" % (self.tagName, id(self))
def writexml(self, writer):
writer.write("<"+self.tagName)
writer.write("<" + self.tagName)
a_names=self._get_attributes().keys()
a_names = self._get_attributes().keys()
a_names.sort()
for a_name in a_names:
writer.write(" "+a_name+"=\"")
writer.write(" %s=\"" % a_name)
_write_data(writer, self._get_attributes()[a_name])
writer.write("\"")
if self.childNodes:
writer.write(">")
for node in self.childNodes:
node.writexml( writer )
writer.write("</"+self.tagName+">")
node.writexml(writer)
writer.write("</%s>" % self.tagName)
else:
writer.write("/>")
def _get_attributes( self ):
return AttributeList( self._attrs, self._attrsNS )
def _get_attributes(self):
return AttributeList(self._attrs, self._attrsNS)
class Comment(Node):
nodeType = Node.COMMENT_NODE
class Comment( Node ):
nodeType=Node.COMMENT_NODE
def __init__(self, data ):
Node.__init__( self )
self.data=self.nodeValue=data
self.nodeName="#comment"
self.attributes=None
def __init__(self, data):
Node.__init__(self)
self.data = self.nodeValue = data
self.nodeName = "#comment"
self.attributes = None
def writexml(self, writer):
writer.write("<!--%s-->" % self.data)
def writexml( self, writer ):
writer.write( "<!--" + self.data + "-->" )
class ProcessingInstruction(Node):
nodeType = Node.PROCESSING_INSTRUCTION_NODE
class ProcessingInstruction( Node ):
nodeType=Node.PROCESSING_INSTRUCTION_NODE
def __init__(self, target, data ):
Node.__init__( self )
def __init__(self, target, data):
Node.__init__(self)
self.target = self.nodeName = target
self.data = self.nodeValue = data
self.attributes=None
self.attributes = None
def writexml( self, writer ):
writer.write( "<?" + self.target +" " + self.data+ "?>" )
def writexml(self, writer):
writer.write("<?%s %s?>" % (self.target, self.data))
class Text(Node):
nodeType = Node.TEXT_NODE
nodeName = "#text"
class Text( Node ):
nodeType=Node.TEXT_NODE
nodeName="#text"
def __init__(self, data ):
Node.__init__( self )
def __init__(self, data):
Node.__init__(self)
self.data = self.nodeValue = data
self.attributes=None
self.attributes = None
def __repr__(self):
if len( self.data )> 10:
dotdotdot="..."
if len(self.data) > 10:
dotdotdot = "..."
else:
dotdotdot=""
return "<DOM Text node \"" + self.data[0:10] + dotdotdot+"\">"
dotdotdot = ""
return "<DOM Text node \"%s%s\">" % (self.data[0:10], dotdotdot)
def writexml( self, writer ):
_write_data( writer, self.data )
def writexml(self, writer):
_write_data(writer, self.data)
def _nssplit( qualifiedName ):
fields = string.split(qualifiedName, ':')
def _nssplit(qualifiedName):
fields = qualifiedName.split(':', 1)
if len(fields) == 2:
return fields
elif len(fields) == 1:
return( '', fields[0] )
class Document( Node ):
nodeType=Node.DOCUMENT_NODE
documentElement=None
def __init__( self ):
Node.__init__( self )
self.attributes=None
self.nodeName="#document"
self.nodeValue=None
def appendChild( self, node ):
if node.nodeType==Node.ELEMENT_NODE:
return ('', fields[0])
class Document(Node):
nodeType = Node.DOCUMENT_NODE
documentElement = None
def __init__(self):
Node.__init__(self)
self.attributes = None
self.nodeName = "#document"
self.nodeValue = None
def appendChild(self, node):
if node.nodeType == Node.ELEMENT_NODE:
if self.documentElement:
raise TypeError, "Two document elements disallowed"
else:
self.documentElement=node
Node.appendChild( self, node )
self.documentElement = node
Node.appendChild(self, node)
return node
createElement=Element
createElement = Element
createTextNode=Text
createTextNode = Text
createComment=Comment
createComment = Comment
createProcessingInstruction=ProcessingInstruction
createProcessingInstruction = ProcessingInstruction
createAttribute=Attr
createAttribute = Attr
def createElementNS(self, namespaceURI, qualifiedName):
prefix,localName=_nssplit( qualifiedName )
prefix,localName = _nssplit(qualifiedName)
return Element(qualifiedName, namespaceURI, prefix, localName)
def createAttributeNS(self, namespaceURI, qualifiedName):
prefix,localName=_nssplit( qualifiedName )
prefix,localName = _nssplit(qualifiedName)
return Attr(namespaceURI, qualifiedName, localName, prefix)
def getElementsByTagNameNS(self,namespaceURI,localName):
_getElementsByTagNameNSHelper( self, namespaceURI, localName )
def getElementsByTagNameNS(self, namespaceURI, localName):
_getElementsByTagNameNSHelper(self, namespaceURI, localName)
def unlink( self ):
self.documentElement=None
Node.unlink( self )
def unlink(self):
self.documentElement = None
Node.unlink(self)
def getElementsByTagName( self, name ):
rc=[]
_getElementsByTagNameHelper( self, name, rc )
def getElementsByTagName(self, name):
rc = []
_getElementsByTagNameHelper(self, name, rc)
return rc
def writexml( self, writer ):
def writexml(self, writer):
for node in self.childNodes:
node.writexml( writer )
node.writexml(writer)
def _doparse( func, args, kwargs ):
events=apply( func, args, kwargs )
(toktype, rootNode)=events.getEvent()
events.expandNode( rootNode )
def _doparse(func, args, kwargs):
events = apply(func, args, kwargs)
toktype, rootNode = events.getEvent()
events.expandNode(rootNode)
return rootNode
def parse( *args, **kwargs ):
def parse(*args, **kwargs):
"Parse a file into a DOM by filename or file object"
return _doparse( pulldom.parse, args, kwargs )
return _doparse(pulldom.parse, args, kwargs)
def parseString( *args, **kwargs ):
def parseString(*args, **kwargs):
"Parse a file into a DOM from a string"
return _doparse( pulldom.parseString, args, kwargs )
return _doparse(pulldom.parseString, args, kwargs)
Lib/xml/dom/pulldom.py
View file @ de741eec
import minidom
import types
import string
import sys
import xml.sax
#todo: SAX2/namespace handling
START_ELEMENT="START_ELEMENT"
END_ELEMENT="END_ELEMENT"
COMMENT="COMMENT"
START_DOCUMENT="START_DOCUMENT"
END_DOCUMENT="END_DOCUMENT"
PROCESSING_INSTRUCTION="PROCESSING_INSTRUCTION"
IGNORABLE_WHITESPACE="IGNORABLE_WHITESPACE"
CHARACTERS="CHARACTERS"
START_ELEMENT = "START_ELEMENT"
END_ELEMENT = "END_ELEMENT"
COMMENT = "COMMENT"
START_DOCUMENT = "START_DOCUMENT"
END_DOCUMENT = "END_DOCUMENT"
PROCESSING_INSTRUCTION = "PROCESSING_INSTRUCTION"
IGNORABLE_WHITESPACE = "IGNORABLE_WHITESPACE"
CHARACTERS = "CHARACTERS"
class PullDOM:
def __init__( self ):
self.firstEvent=[None,None]
self.lastEvent=self.firstEvent
def __init__(self):
self.firstEvent = [None, None]
self.lastEvent = self.firstEvent
def setDocumentLocator( self, locator ): pass
def setDocumentLocator(self, locator): pass
def startElement( self, name, tagName , attrs ):
if not hasattr( self, "curNode" ):
def startElement(self, name, tagName, attrs):
if not hasattr(self, "curNode"):
# FIXME: hack!
self.startDocument( )
self.startDocument()
node = self.document.createElement( tagName ) #FIXME namespaces!
node = self.document.createElement(tagName) #FIXME namespaces!
for attr in attrs.keys():
node.setAttribute( attr, attrs[attr] )
node.setAttribute(attr, attrs[attr])
parent=self.curNode
parent = self.curNode
node.parentNode = parent
if parent.childNodes:
node.previousSibling=parent.childNodes[-1]
node.previousSibling.nextSibling=node
node.previousSibling = parent.childNodes[-1]
node.previousSibling.nextSibling = node
self.curNode = node
# FIXME: do I have to screen namespace attributes
self.lastEvent[1]=[(START_ELEMENT, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (START_ELEMENT, node) )
self.lastEvent[1] = [(START_ELEMENT, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((START_ELEMENT, node))
def endElement( self, name, tagName ):
def endElement(self, name, tagName):
node = self.curNode
self.lastEvent[1]=[(END_ELEMENT, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (END_ELEMENT, node ))
self.lastEvent[1] = [(END_ELEMENT, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((END_ELEMENT, node))
self.curNode = node.parentNode
def comment( self, s):
node = self.document.createComment ( s )
parent=self.curNode
node.parentNode=parent
def comment(self, s):
node = self.document.createComment(s)
parent = self.curNode
node.parentNode = parent
if parent.childNodes:
node.previousSibling=parent.childNodes[-1]
node.previousSibling.nextSibling=node
self.lastEvent[1]=[(COMMENT, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (COMMENT, node ))
def processingInstruction( self, target, data ):
node = self.document.createProcessingInstruction( target, data )
#self.appendChild( node )
parent=self.curNode
node.parentNode=parent
node.previousSibling = parent.childNodes[-1]
node.previousSibling.nextSibling = node
self.lastEvent[1] = [(COMMENT, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((COMMENT, node))
def processingInstruction(self, target, data):
node = self.document.createProcessingInstruction(target, data)
#self.appendChild(node)
parent = self.curNode
node.parentNode = parent
if parent.childNodes:
node.previousSibling=parent.childNodes[-1]
node.previousSibling.nextSibling=node
self.lastEvent[1]=[(PROCESSING_INSTRUCTION, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (PROCESSING_INSTRUCTION, node) )
def ignorableWhitespace( self, chars ):
node = self.document.createTextNode( chars[start:start+length] )
parent=self.curNode
node.parentNode=parent
node.previousSibling = parent.childNodes[-1]
node.previousSibling.nextSibling = node
self.lastEvent[1] = [(PROCESSING_INSTRUCTION, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((PROCESSING_INSTRUCTION, node))
def ignorableWhitespace(self, chars):
node = self.document.createTextNode(chars[start:start + length])
parent = self.curNode
node.parentNode = parent
if parent.childNodes:
node.previousSibling=parent.childNodes[-1]
node.previousSibling.nextSibling=node
self.lastEvent[1]=[(IGNORABLE_WHITESPACE, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (IGNORABLE_WHITESPACE, node))
def characters( self, chars ):
node = self.document.createTextNode( chars )
node.parentNode=self.curNode
self.lastEvent[1]=[(CHARACTERS, node), None ]
self.lastEvent=self.lastEvent[1]
def startDocument( self ):
node.previousSibling = parent.childNodes[-1]
node.previousSibling.nextSibling = node
self.lastEvent[1] = [(IGNORABLE_WHITESPACE, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((IGNORABLE_WHITESPACE, node))
def characters(self, chars):
node = self.document.createTextNode(chars)
node.parentNode = self.curNode
self.lastEvent[1] = [(CHARACTERS, node), None]
self.lastEvent = self.lastEvent[1]
def startDocument(self):
node = self.curNode = self.document = minidom.Document()
node.parentNode=None
self.lastEvent[1]=[(START_DOCUMENT, node), None ]
self.lastEvent=self.lastEvent[1]
#self.events.append( (START_DOCUMENT, node) )
node.parentNode = None
self.lastEvent[1] = [(START_DOCUMENT, node), None]
self.lastEvent = self.lastEvent[1]
#self.events.append((START_DOCUMENT, node))
def endDocument( self ):
assert( not self.curNode.parentNode )
def endDocument(self):
assert not self.curNode.parentNode
for node in self.curNode.childNodes:
if node.nodeType==node.ELEMENT_NODE:
if node.nodeType == node.ELEMENT_NODE:
self.document.documentElement = node
#if not self.document.documentElement:
# raise Error, "No document element"
self.lastEvent[1]=[(END_DOCUMENT, node), None ]
#self.events.append( (END_DOCUMENT, self.curNode) )
self.lastEvent[1] = [(END_DOCUMENT, node), None]
#self.events.append((END_DOCUMENT, self.curNode))
class ErrorHandler:
def warning( self, exception ):
def warning(self, exception):
print exception
def error( self, exception ):
def error(self, exception):
raise exception
def fatalError( self, exception ):
def fatalError(self, exception):
raise exception
class DOMEventStream:
def __init__( self, stream, parser, bufsize ):
self.stream=stream
self.parser=parser
self.bufsize=bufsize
def __init__(self, stream, parser, bufsize):
self.stream = stream
self.parser = parser
self.bufsize = bufsize
self.reset()
def reset( self ):
def reset(self):
self.pulldom = PullDOM()
self.parser.setContentHandler( self.pulldom )
self.parser.setContentHandler(self.pulldom)
def __getitem__( self, pos ):
rc=self.getEvent()
if rc: return rc
def __getitem__(self, pos):
rc = self.getEvent()
if rc:
return rc
raise IndexError
def expandNode( self, node ):
event=self.getEvent()
def expandNode(self, node):
event = self.getEvent()
while event:
token,cur_node=event
if cur_node is node: return
if token !=END_ELEMENT:
cur_node.parentNode.appendChild( cur_node )
event=self.getEvent()
def getEvent( self ):
token, cur_node = event
if cur_node is node:
return
if token != END_ELEMENT:
cur_node.parentNode.appendChild(cur_node)
event = self.getEvent()
def getEvent(self):
if not self.pulldom.firstEvent[1]:
self.pulldom.lastEvent=self.pulldom.firstEvent
self.pulldom.lastEvent = self.pulldom.firstEvent
while not self.pulldom.firstEvent[1]:
buf=self.stream.read( self.bufsize )
buf=self.stream.read(self.bufsize)
if not buf:
#FIXME: why doesn't Expat close work?
#self.parser.close()
return None
self.parser.feed( buf )
rc=self.pulldom.firstEvent[1][0]
self.pulldom.firstEvent[1]=self.pulldom.firstEvent[1][1]
self.parser.feed(buf)
rc = self.pulldom.firstEvent[1][0]
self.pulldom.firstEvent[1] = self.pulldom.firstEvent[1][1]
return rc
# FIXME: sax2
......@@ -168,27 +166,25 @@ class DOMEventStream:
def _getParser():
return xml.sax.make_parser()
default_bufsize=(2**14)-20
default_bufsize = (2 ** 14) - 20
# FIXME: move into sax package for common usage
def parse( stream_or_string, parser=None, bufsize=default_bufsize ):
if type( stream_or_string ) == type( "" ):
stream=open( stream_or_string )
def parse(stream_or_string, parser=None, bufsize=default_bufsize):
if type(stream_or_string) is type(""):
stream = open(stream_or_string)
else:
stream=stream_or_string
stream = stream_or_string
if not parser:
parser=_getParser()
return DOMEventStream( stream, parser, bufsize )
parser = _getParser()
return DOMEventStream(stream, parser, bufsize)
def parseString( string, parser=None ):
def parseString(string, parser=None):
try:
import cStringIO
stringio=cStringIO.StringIO
from cStringIO import StringIO
except ImportError:
import StringIO
stringio=StringIO.StringIO
bufsize=len( string )
buf=stringio( string )
parser=_getParser()
return DOMEventStream( buf, parser, bufsize )
from StringIO import StringIO
bufsize = len(string)
buf = StringIO(string)
parser = _getParser()
return DOMEventStream(buf, parser, bufsize)
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