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- #
- # ElementTree
- # $Id$
- #
- # A simple XML tree builder, based on the sgmlop library.
- #
- # Note that this version does not support namespaces. This may be
- # changed in future versions.
- #
- # history:
- # 2004-03-28 fl created
- #
- # Copyright (c) 1999-2004 by Fredrik Lundh. All rights reserved.
- #
- # fredrik@pythonware.com
- # http://www.pythonware.com
- #
- # --------------------------------------------------------------------
- # The ElementTree toolkit is
- #
- # Copyright (c) 1999-2004 by Fredrik Lundh
- #
- # By obtaining, using, and/or copying this software and/or its
- # associated documentation, you agree that you have read, understood,
- # and will comply with the following terms and conditions:
- #
- # Permission to use, copy, modify, and distribute this software and
- # its associated documentation for any purpose and without fee is
- # hereby granted, provided that the above copyright notice appears in
- # all copies, and that both that copyright notice and this permission
- # notice appear in supporting documentation, and that the name of
- # Secret Labs AB or the author not be used in advertising or publicity
- # pertaining to distribution of the software without specific, written
- # prior permission.
- #
- # SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
- # TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
- # ABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR
- # BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
- # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
- # ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- # OF THIS SOFTWARE.
- # --------------------------------------------------------------------
- ##
- # Tools to build element trees from XML, based on the SGMLOP parser.
- # <p>
- # The current version does not support XML namespaces.
- # <p>
- # This tree builder requires the <b>sgmlop</b> extension module
- # (available from
- # <a href='http://effbot.org/downloads'>http://effbot.org/downloads</a>).
- ##
- import ElementTree
- ##
- # ElementTree builder for XML source data, based on the SGMLOP parser.
- #
- # @see elementtree.ElementTree
- class TreeBuilder:
- def __init__(self, html=0):
- try:
- import sgmlop
- except ImportError:
- raise RuntimeError("sgmlop parser not available")
- self.__builder = ElementTree.TreeBuilder()
- if html:
- import htmlentitydefs
- self.entitydefs.update(htmlentitydefs.entitydefs)
- self.__parser = sgmlop.XMLParser()
- self.__parser.register(self)
- ##
- # Feeds data to the parser.
- #
- # @param data Encoded data.
- def feed(self, data):
- self.__parser.feed(data)
- ##
- # Finishes feeding data to the parser.
- #
- # @return An element structure.
- # @defreturn Element
- def close(self):
- self.__parser.close()
- self.__parser = None
- return self.__builder.close()
- def finish_starttag(self, tag, attrib):
- self.__builder.start(tag, attrib)
- def finish_endtag(self, tag):
- self.__builder.end(tag)
- def handle_data(self, data):
- self.__builder.data(data)
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