mirror of
https://github.com/python/cpython.git
synced 2025-12-04 00:30:19 +00:00
Conform to the Python style guide.
This commit is contained in:
Fred Drake
parent
ddb486745b
commit
1f54902e05
2 changed files with 361 additions and 356 deletions
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@ -1,9 +1,4 @@
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import pulldom
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import string
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from StringIO import StringIO
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import types
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"""
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"""\
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minidom.py -- a lightweight DOM implementation based on SAX.
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parse( "foo.xml" )
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@ -19,6 +14,11 @@ Todo:
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* SAX 2 namespaces
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"""
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import pulldom
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import string
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from StringIO import StringIO
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import types
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class Node:
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ELEMENT_NODE = 1
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ATTRIBUTE_NODE = 2
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@ -33,229 +33,234 @@ class Node:
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DOCUMENT_FRAGMENT_NODE = 11
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NOTATION_NODE = 12
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allnodes={}
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_debug=0
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_makeParentNodes=1
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debug=None
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allnodes = {}
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_debug = 0
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_makeParentNodes = 1
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debug = None
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def __init__( self ):
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self.childNodes=[]
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def __init__(self):
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self.childNodes = []
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if Node._debug:
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index=repr( id( self ))+repr( self.__class__ )
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Node.allnodes[index]=repr( self.__dict__ )
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if Node.debug==None:
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Node.debug=StringIO()
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index = repr(id(self)) + repr(self.__class__)
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Node.allnodes[index] = repr(self.__dict__)
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if Node.debug is None:
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Node.debug = StringIO()
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#open( "debug4.out", "w" )
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Node.debug.write( "create %s\n"%index )
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Node.debug.write("create %s\n" % index)
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def __getattr__( self, key ):
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if key[0:2]=="__": raise AttributeError
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def __getattr__(self, key):
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if key[0:2] == "__":
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raise AttributeError
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# getattr should never call getattr!
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if self.__dict__.has_key("inGetAttr"):
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del self.inGetAttr
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raise AttributeError, key
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prefix,attrname=key[:5],key[5:]
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if prefix=="_get_":
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self.inGetAttr=1
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if hasattr( self, attrname ):
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prefix, attrname = key[:5], key[5:]
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if prefix == "_get_":
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self.inGetAttr = 1
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if hasattr(self, attrname):
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del self.inGetAttr
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return (lambda self=self, attrname=attrname:
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getattr( self, attrname ))
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getattr(self, attrname))
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else:
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del self.inGetAttr
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raise AttributeError, key
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else:
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self.inGetAttr=1
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self.inGetAttr = 1
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try:
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func = getattr( self, "_get_"+key )
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func = getattr(self, "_get_" + key)
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except AttributeError:
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raise AttributeError, key
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del self.inGetAttr
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return func()
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def __nonzero__(self): return 1
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def __nonzero__(self):
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return 1
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def toxml( self ):
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writer=StringIO()
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self.writexml( writer )
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def toxml(self):
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writer = StringIO()
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self.writexml(writer)
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return writer.getvalue()
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def hasChildNodes( self ):
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if self.childNodes: return 1
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else: return 0
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def hasChildNodes(self):
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if self.childNodes:
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return 1
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else:
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return 0
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def _get_firstChild( self ):
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def _get_firstChild(self):
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return self.childNodes[0]
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def _get_lastChild( self ):
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def _get_lastChild(self):
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return self.childNodes[-1]
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def insertBefore( self, newChild, refChild):
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index=self.childNodes.index( refChild )
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self.childNodes.insert( index, newChild )
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def insertBefore(self, newChild, refChild):
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index = self.childNodes.index(refChild)
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self.childNodes.insert(index, newChild)
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if self._makeParentNodes:
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newChild.parentNode=self
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newChild.parentNode = self
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def appendChild( self, node ):
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self.childNodes.append( node )
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def appendChild(self, node):
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self.childNodes.append(node)
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return node
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def replaceChild( self, newChild, oldChild ):
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index=self.childNodes.index( oldChild )
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self.childNodes[index]=oldChild
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def replaceChild(self, newChild, oldChild):
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index = self.childNodes.index(oldChild)
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self.childNodes[index] = oldChild
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def removeChild( self, oldChild ):
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index=self.childNodes.index( oldChild )
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def removeChild(self, oldChild):
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index = self.childNodes.index(oldChild)
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del self.childNodes[index]
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def cloneNode( self, deep ):
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def cloneNode(self, deep):
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import new
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clone=new.instance( self.__class__, self.__dict__ )
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clone.attributes=self.attributes.copy()
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clone = new.instance(self.__class__, self.__dict__)
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clone.attributes = self.attributes.copy()
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if not deep:
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clone.childNodes=[]
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clone.childNodes = []
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else:
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clone.childNodes=map( lambda x: x.cloneNode, self.childNodes )
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clone.childNodes = map(lambda x: x.cloneNode, self.childNodes)
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return clone
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def unlink( self ):
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self.parentNode=None
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def unlink(self):
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self.parentNode = None
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while self.childNodes:
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self.childNodes[-1].unlink()
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del self.childNodes[-1] # probably not most efficient!
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self.childNodes=None
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self.childNodes = None
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if self.attributes:
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for attr in self._attrs.values():
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self.removeAttributeNode( attr )
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assert not len( self._attrs )
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assert not len( self._attrsNS )
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self.removeAttributeNode(attr)
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assert not len(self._attrs)
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assert not len(self._attrsNS)
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if Node._debug:
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index=repr( id( self ))+repr( self.__class__ )
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self.debug.write( "Deleting: %s\n" % index )
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index = repr(id(self)) + repr(self.__class__)
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self.debug.write("Deleting: %s\n" % index)
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del Node.allnodes[index]
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def _write_data( writer, data):
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def _write_data(writer, data):
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"Writes datachars to writer."
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data=string.replace(data,"&","&")
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data=string.replace(data,"<","<")
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data=string.replace(data,"\"",""")
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data=string.replace(data,">",">")
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data = string.replace(data, "&", "&")
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data = string.replace(data, "<", "<")
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data = string.replace(data, "\"", """)
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data = string.replace(data, ">", ">")
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writer.write(data)
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def _getElementsByTagNameHelper( parent, name, rc ):
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def _getElementsByTagNameHelper(parent, name, rc):
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for node in parent.childNodes:
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if node.nodeType==Node.ELEMENT_NODE and\
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(name=="*" or node.tagName==name):
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rc.append( node )
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_getElementsByTagNameHelper( node, name, rc )
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if node.nodeType == Node.ELEMENT_NODE and \
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(name == "*" or node.tagName == name):
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rc.append(node)
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_getElementsByTagNameHelper(node, name, rc)
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return rc
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def _getElementsByTagNameNSHelper( parent, nsURI, localName, rc ):
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def _getElementsByTagNameNSHelper(parent, nsURI, localName, rc):
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for node in parent.childNodes:
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if (node.nodeType==Node.ELEMENT_NODE ):
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if ((localName=="*" or node.tagName==localName) and
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(nsURI=="*" or node.namespaceURI==nsURI)):
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rc.append( node )
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_getElementsByTagNameNSHelper( node, name, rc )
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if node.nodeType == Node.ELEMENT_NODE:
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if ((localName == "*" or node.tagName == localName) and
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(nsURI == "*" or node.namespaceURI == nsURI)):
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rc.append(node)
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_getElementsByTagNameNSHelper(node, name, rc)
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class Attr(Node):
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nodeType=Node.ATTRIBUTE_NODE
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def __init__( self, qName, namespaceURI="", localName=None,
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prefix=None ):
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nodeType = Node.ATTRIBUTE_NODE
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def __init__(self, qName, namespaceURI="", localName=None, prefix=None):
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# skip setattr for performance
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self.__dict__["localName"]=localName or qName
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self.__dict__["localName"] = localName or qName
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self.__dict__["nodeName"] = self.__dict__["name"] = qName
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self.__dict__["namespaceURI"]=namespaceURI
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self.__dict__["prefix"]=prefix
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self.attributes=None
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Node.__init__( self )
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self.__dict__["namespaceURI"] = namespaceURI
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self.__dict__["prefix"] = prefix
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self.attributes = None
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Node.__init__(self)
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# nodeValue and value are set elsewhere
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def __setattr__( self, name, value ):
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if name in ("value", "nodeValue" ):
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self.__dict__["value"]=self.__dict__["nodeValue"]=value
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def __setattr__(self, name, value):
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if name in ("value", "nodeValue"):
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self.__dict__["value"] = self.__dict__["nodeValue"] = value
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else:
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self.__dict__[name]=value
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self.__dict__[name] = value
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class AttributeList:
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"""the attribute list is a transient interface to the underlying
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dictionaries. mutations here will change the underlying element's
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dictionary"""
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def __init__( self, attrs, attrsNS ):
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self._attrs=attrs
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self._attrsNS=attrsNS
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self.length=len( self._attrs.keys() )
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dictionaries. mutations here will change the underlying element's
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dictionary"""
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def __init__(self, attrs, attrsNS):
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self._attrs = attrs
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self._attrsNS = attrsNS
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self.length = len(self._attrs.keys())
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def item( self, index ):
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def item(self, index):
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try:
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return self[self.keys()[index]]
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except IndexError:
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return None
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def items( self ):
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return map( lambda node: (node.tagName, node.value),
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self._attrs.values() )
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def itemsNS( self ):
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return map( lambda node: ((node.URI, node.localName), node.value),
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self._attrs.values() )
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def items(self):
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return map(lambda node: (node.tagName, node.value),
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self._attrs.values())
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def itemsNS(self):
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return map(lambda node: ((node.URI, node.localName), node.value),
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self._attrs.values())
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def keys( self ):
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def keys(self):
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return self._attrs.keys()
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def keysNS( self ):
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def keysNS(self):
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return self._attrsNS.keys()
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def values( self ):
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def values(self):
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return self._attrs.values()
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def __len__( self ):
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def __len__(self):
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return self.length
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def __cmp__( self, other ):
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if self._attrs is getattr( other, "_attrs", None ):
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def __cmp__(self, other):
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if self._attrs is getattr(other, "_attrs", None):
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return 0
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else:
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return cmp( id( self ), id( other ) )
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return cmp(id(self), id(other))
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#FIXME: is it appropriate to return .value?
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def __getitem__( self, attname_or_tuple ):
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if type( attname_or_tuple ) == types.TupleType:
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def __getitem__(self, attname_or_tuple):
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if type(attname_or_tuple) is types.TupleType:
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return self._attrsNS[attname_or_tuple]
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else:
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return self._attrs[attname_or_tuple]
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# same as set
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def __setitem__( self, attname, value ):
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if type( value ) == types.StringType:
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node=Attr( attname )
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def __setitem__(self, attname, value):
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if type(value) is types.StringType:
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node = Attr(attname)
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node.value=value
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else:
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assert isinstance( value, Attr ) or type( value )==types.StringType
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node=value
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old=self._attrs.get( attname, None)
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assert isinstance(value, Attr) or type(value) is types.StringType
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node = value
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old = self._attrs.get(attname, None)
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if old:
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old.unlink()
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self._attrs[node.name]=node
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self._attrsNS[(node.namespaceURI,node.localName)]=node
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self._attrs[node.name] = node
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self._attrsNS[(node.namespaceURI, node.localName)] = node
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def __delitem__( self, attname_or_tuple ):
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node=self[attname_or_tuple]
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def __delitem__(self, attname_or_tuple):
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node = self[attname_or_tuple]
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node.unlink()
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del self._attrs[node.name]
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del self._attrsNS[(node.namespaceURI, node.localName)]
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class Element( Node ):
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nodeType=Node.ELEMENT_NODE
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def __init__( self, tagName, namespaceURI="", prefix="",
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localName=None ):
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Node.__init__( self )
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nodeType = Node.ELEMENT_NODE
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def __init__(self, tagName, namespaceURI="", prefix="",
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localName=None):
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Node.__init__(self)
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self.tagName = self.nodeName = tagName
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self.localName=localName or tagName
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self.prefix=prefix
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self.namespaceURI=namespaceURI
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self.nodeValue=None
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self.localName = localName or tagName
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self.prefix = prefix
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self.namespaceURI = namespaceURI
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self.nodeValue = None
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self._attrs={} # attributes are double-indexed:
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self._attrsNS={}# tagName -> Attribute
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|
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@ -264,191 +269,195 @@ class Element( Node ):
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# this is too tricky for now because of headaches
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# with namespaces.
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def getAttribute( self, attname ):
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def getAttribute(self, attname):
|
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return self._attrs[attname].value
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|
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def getAttributeNS( self, namespaceURI, localName ):
|
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def getAttributeNS(self, namespaceURI, localName):
|
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return self._attrsNS[(namespaceURI, localName)].value
|
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|
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def setAttribute( self, attname, value ):
|
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attr=Attr( attname )
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|
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def setAttribute(self, attname, value):
|
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attr = Attr(attname)
|
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# for performance
|
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attr.__dict__["value"]=attr.__dict__["nodeValue"]=value
|
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self.setAttributeNode( attr )
|
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attr.__dict__["value"] = attr.__dict__["nodeValue"] = value
|
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self.setAttributeNode(attr)
|
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|
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def setAttributeNS( self, namespaceURI, qualifiedName, value ):
|
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prefix,localname=_nssplit( qualifiedName )
|
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def setAttributeNS(self, namespaceURI, qualifiedName, value):
|
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prefix, localname = _nssplit(qualifiedName)
|
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# for performance
|
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attr = Attr( qualifiedName, namespaceURI, localname, prefix )
|
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attr.__dict__["value"]=attr.__dict__["nodeValue"]=value
|
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self.setAttributeNode( attr )
|
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attr = Attr(qualifiedName, namespaceURI, localname, prefix)
|
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attr.__dict__["value"] = attr.__dict__["nodeValue"] = value
|
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self.setAttributeNode(attr)
|
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|
||||
def getAttributeNode( self, attrname ):
|
||||
return self._attrs.get( attrname )
|
||||
def getAttributeNode(self, attrname):
|
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return self._attrs.get(attrname)
|
||||
|
||||
def getAttributeNodeNS( self, namespaceURI, localName ):
|
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def getAttributeNodeNS(self, namespaceURI, localName):
|
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return self._attrsNS[(namespaceURI, localName)]
|
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|
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def setAttributeNode( self, attr ):
|
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old=self._attrs.get( attr.name, None)
|
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def setAttributeNode(self, attr):
|
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old = self._attrs.get(attr.name, None)
|
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if old:
|
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old.unlink()
|
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self._attrs[attr.name]=attr
|
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self._attrsNS[(attr.namespaceURI,attr.localName)]=attr
|
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self._attrs[attr.name] = attr
|
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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()
|
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del self._attrs[node.name]
|
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del self._attrsNS[(node.namespaceURI, node.localName)]
|
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|
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def getElementsByTagName( self, name ):
|
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return _getElementsByTagNameHelper( self, name, [] )
|
||||
def getElementsByTagName(self, name):
|
||||
return _getElementsByTagNameHelper(self, name, [])
|
||||
|
||||
def getElementsByTagNameNS(self,namespaceURI,localName):
|
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_getElementsByTagNameNSHelper( self, namespaceURI, localName, [] )
|
||||
def getElementsByTagNameNS(self, namespaceURI, localName):
|
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_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
|
||||
def __init__(self, data ):
|
||||
Node.__init__( self )
|
||||
self.data=self.nodeValue=data
|
||||
self.nodeName="#comment"
|
||||
self.attributes=None
|
||||
class Comment(Node):
|
||||
nodeType = Node.COMMENT_NODE
|
||||
|
||||
def writexml( self, writer ):
|
||||
writer.write( "<!--" + self.data + "-->" )
|
||||
def __init__(self, data):
|
||||
Node.__init__(self)
|
||||
self.data = self.nodeValue = data
|
||||
self.nodeName = "#comment"
|
||||
self.attributes = None
|
||||
|
||||
class ProcessingInstruction( Node ):
|
||||
nodeType=Node.PROCESSING_INSTRUCTION_NODE
|
||||
def __init__(self, target, data ):
|
||||
Node.__init__( self )
|
||||
def writexml(self, writer):
|
||||
writer.write("<!--%s-->" % self.data)
|
||||
|
||||
class ProcessingInstruction(Node):
|
||||
nodeType = Node.PROCESSING_INSTRUCTION_NODE
|
||||
|
||||
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"
|
||||
def __init__(self, data ):
|
||||
Node.__init__( self )
|
||||
class Text(Node):
|
||||
nodeType = Node.TEXT_NODE
|
||||
nodeName = "#text"
|
||||
|
||||
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] )
|
||||
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
|
||||
class Document(Node):
|
||||
nodeType = Node.DOCUMENT_NODE
|
||||
documentElement = None
|
||||
|
||||
def appendChild( self, node ):
|
||||
if node.nodeType==Node.ELEMENT_NODE:
|
||||
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)
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue