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# $Id: XMLTreeBuilder.py 2305 2005-03-01 17:43:09Z fredrik $
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# 2001-10-20 fl created
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# 2002-05-01 fl added namespace support for xmllib
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# 2002-07-27 fl require expat (1.5.2 code can use SimpleXMLTreeBuilder)
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# 2002-08-17 fl use tag/attribute name memo cache
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# 2002-12-04 fl moved XMLTreeBuilder to the ElementTree module
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# Copyright (c) 1999-2004 by Fredrik Lundh. All rights reserved.
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# fredrik@pythonware.com
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# http://www.pythonware.com
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# --------------------------------------------------------------------
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# The ElementTree toolkit is
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# Copyright (c) 1999-2004 by Fredrik Lundh
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# By obtaining, using, and/or copying this software and/or its
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# associated documentation, you agree that you have read, understood,
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# and will comply with the following terms and conditions:
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# Permission to use, copy, modify, and distribute this software and
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# its associated documentation for any purpose and without fee is
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# hereby granted, provided that the above copyright notice appears in
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# all copies, and that both that copyright notice and this permission
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# notice appear in supporting documentation, and that the name of
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# Secret Labs AB or the author not be used in advertising or publicity
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# pertaining to distribution of the software without specific, written
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# SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
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# TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
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# ABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR
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# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# --------------------------------------------------------------------
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# Tools to build element trees from XML files.
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# (obsolete) ElementTree builder for XML source data, based on the
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# <b>expat</b> parser.
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# This class is an alias for ElementTree.XMLTreeBuilder. New code
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# should use that version instead.
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# @see elementtree.ElementTree
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class TreeBuilder(ElementTree.XMLTreeBuilder):
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# (experimental) An alternate builder that supports manipulation of
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class FancyTreeBuilder(TreeBuilder):
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def __init__(self, html=0):
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TreeBuilder.__init__(self, html)
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self._parser.StartNamespaceDeclHandler = self._start_ns
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self._parser.EndNamespaceDeclHandler = self._end_ns
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def _start(self, tag, attrib_in):
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elem = TreeBuilder._start(self, tag, attrib_in)
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def _start_list(self, tag, attrib_in):
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elem = TreeBuilder._start_list(self, tag, attrib_in)
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elem = TreeBuilder._end(self, tag)
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def _start_ns(self, prefix, value):
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self.namespaces.insert(0, (prefix, value))
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def _end_ns(self, prefix):
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assert self.namespaces.pop(0)[0] == prefix, "implementation confused"
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# Hook method that's called when a new element has been opened.
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# May access the <b>namespaces</b> attribute.
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# @param element The new element. The tag name and attributes are,
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# set, but it has no children, and the text and tail attributes
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def start(self, element):
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# Hook method that's called when a new element has been closed.
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# May access the <b>namespaces</b> attribute.
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# @param element The new element.
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def end(self, element):