lampadas-filter

#! /usr/bin/python
# 
# This file is part of the Lampadas Documentation System.
# 
# Copyright (c) 2000, 2001, 2002 David Merrill <david@lupercalia.net>.
#
# 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
#
#
# This script will do any special little cleanups that we want to do on source
# files.

import fnmatch
import os
import sys
import stat

HTML_ENTITIES = {'&nbsp;': ' ',
                 '&dollar;': '$'}

def filter_file(filename):
    print 'Filtering file ' + filename
    filestat = os.stat(filename)
    fileatime = filestat[stat.ST_ATIME]
    filemtime = filestat[stat.ST_MTIME]
    fh = open(filename, 'r')
    buffer = fh.read()
    fh.close()
    for char in HTML_ENTITIES.keys():
        buffer = buffer.replace(char, HTML_ENTITIES[char])
    fh = open(filename, 'w')
    fh.write(buffer)
    fh.close()
    os.utime(filename, [fileatime, filemtime])
    return

def callback(arg, directory, files):
    for file in files:
        if fnmatch.fnmatch(file, arg):
            absfilename = os.path.abspath(os.path.join(directory, file))
            filter_file(absfilename)

# Options passed on the command line
if len(sys.argv) <> 2:
    sys.exit(1)
filename = sys.argv[1]
filestat = os.stat(filename)
filemode = filestat[stat.ST_MODE]
if stat.S_ISDIR(filemode)==1:
    os.path.walk(filename, callback, '*.sgml')
    os.path.walk(filename, callback, '*.xml')
else:
    filter_file(filename)