symbian-qemu-0.9.1-12/python-2.6.1/Tools/scripts/fixnotice.py
author John Kern <johnk@symbian.org>
Thu, 12 Nov 2009 09:14:36 -0800
changeset 21 05914789ab43
parent 1 2fb8b9db1c86
permissions -rw-r--r--
merged branch into tip
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#! /usr/bin/env python
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"""(Ostensibly) fix copyright notices in files.
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Actually, this sript will simply replace a block of text in a file from one
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string to another.  It will only do this once though, i.e. not globally
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throughout the file.  It writes a backup file and then does an os.rename()
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dance for atomicity.
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Usage: fixnotices.py [options] [filenames]
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Options:
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    -h / --help
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        Print this message and exit
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    --oldnotice=file
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        Use the notice in the file as the old (to be replaced) string, instead
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        of the hard coded value in the script.
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    --newnotice=file
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        Use the notice in the file as the new (replacement) string, instead of
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        the hard coded value in the script.
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    --dry-run
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        Don't actually make the changes, but print out the list of files that
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        would change.  When used with -v, a status will be printed for every
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        file.
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    -v / --verbose
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        Print a message for every file looked at, indicating whether the file
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        is changed or not.
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"""
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OLD_NOTICE = """/***********************************************************
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Copyright (c) 2000, BeOpen.com.
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Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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All rights reserved.
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See the file "Misc/COPYRIGHT" for information on usage and
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redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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******************************************************************/
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"""
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import os
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import sys
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import getopt
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NEW_NOTICE = ""
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DRYRUN = 0
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VERBOSE = 0
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def usage(code, msg=''):
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    print __doc__ % globals()
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    if msg:
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        print msg
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    sys.exit(code)
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def main():
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    global DRYRUN, OLD_NOTICE, NEW_NOTICE, VERBOSE
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    try:
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        opts, args = getopt.getopt(sys.argv[1:], 'hv',
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                                   ['help', 'oldnotice=', 'newnotice=',
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                                    'dry-run', 'verbose'])
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    except getopt.error, msg:
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        usage(1, msg)
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    for opt, arg in opts:
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        if opt in ('-h', '--help'):
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            usage(0)
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        elif opt in ('-v', '--verbose'):
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            VERBOSE = 1
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        elif opt == '--dry-run':
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            DRYRUN = 1
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        elif opt == '--oldnotice':
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            fp = open(arg)
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            OLD_NOTICE = fp.read()
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            fp.close()
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        elif opt == '--newnotice':
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            fp = open(arg)
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            NEW_NOTICE = fp.read()
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            fp.close()
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    for arg in args:
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        process(arg)
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def process(file):
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    f = open(file)
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    data = f.read()
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    f.close()
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    i = data.find(OLD_NOTICE)
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    if i < 0:
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        if VERBOSE:
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            print 'no change:', file
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        return
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    elif DRYRUN or VERBOSE:
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        print '   change:', file
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    if DRYRUN:
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        # Don't actually change the file
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        return
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    data = data[:i] + NEW_NOTICE + data[i+len(OLD_NOTICE):]
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    new = file + ".new"
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    backup = file + ".bak"
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    f = open(new, "w")
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    f.write(data)
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    f.close()
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    os.rename(file, backup)
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    os.rename(new, file)
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if __name__ == '__main__':
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    main()