replace multiline text

replace.py

#!/usr/bin/python
#
##The Text Replacer
# 
# @author      ruki
# @file        replace.py
#

# ######################################################################################
# imports
#
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from optparse import OptionParser
import os
import re
import sys
import shutil
import zipfile
import subprocess
import ConfigParser

# ######################################################################################
# implementation
#

# replace text in the root directory
def replace(rootdir, oldtext, newtext):

    # replace all
    for parent, dirnames, filenames in os.walk(rootdir):
        for filename in filenames:
            (basename, extension) = os.path.splitext(filename)
            if basename.find(".") == 0:
                continue

            print(os.path.join(parent, filename))

            # load old content
            content = None
            with open(os.path.join(parent, filename), 'r') as file:
                content = file.read()

            print(content.find(oldtext))

            # replace content
            content = content.replace(oldtext, newtext)

            # save new content
            with open(os.path.join(parent, filename), 'w') as file:
                file.write(content)


# ######################################################################################
# main
#
def main():

    # set utf8 for sys
    reload(sys) 
    sys.setdefaultencoding('utf8') 

    # init options
    parser = OptionParser("usage: %prog [options]")
    parser.add_option("-r", "--rootdir", dest = "rootdir", help = "The root directory")
    (options, args) = parser.parse_args()

    oldtext = """/*!The Graphic 2D Box Library
 * 
 * GBox2 is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 * 
 * GBox2 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 Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with GBox2; 
 * If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
 * 
 * Copyright (C) 2009 - 2012, ruki All rights reserved.
"""

    newtext = """/*!The Graphic Box Library
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * Copyright (C) 2009 - 2017, TBOOX Open Source Group.
"""

    # replace it
    replace(options.rootdir, oldtext, newtext)

    # ok
    return 0

# entry
if __name__ == "__main__":
    sys.exit(main())