cybertools/text/rtf.py
helmutm 7b236ecbec added text conversion for RTF
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1629 fd906abe-77d9-0310-91a1-e0d9ade77398
2007-03-08 11:49:02 +00:00

63 lines
1.8 KiB
Python

#
# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
Searchable text support for MS Word (.doc) files.
This uses the wvware command to perform the extraction.
Based on code provided by zc.index and TextIndexNG3.
$Id$
"""
import os, sys
from xml import sax
from cStringIO import StringIO
from cybertools.text import base
class RtfTextHandler(sax.ContentHandler):
def characters(self, text):
self._data.write(text.encode('UTF-8'))
def startDocument(self):
self._data = StringIO()
def startElement(self, name, attrs):
if name == 'para':
self._data.write('\n')
def getData(self):
return self._data.getvalue()
class RtfTransform(base.BaseFileTransform):
extension = ".rtf"
def extract(self, directory, filename):
if not self.checkAvailable('rtf2xml', 'rtf2xml is not available'):
return u''
#xmlstr = self.execute('cd /tmp && rtf2xml --no-dtd "%s"' % filename)
xmlstr = self.execute('rtf2xml --no-dtd "%s"' % filename)
handler = RtfTextHandler()
sax.parseString(xmlstr, handler)
return handler.getData().decode('UTF-8')