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annotate Tools/scripts/fixnotice.py @ 80661:94de77bd0b4b 2.7

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Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents 4c1ccf36025c
children 33b156e118c0 6b18a095c2e7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #! /usr/bin/env python
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2
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3 """(Ostensibly) fix copyright notices in files.
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4
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5 Actually, this sript will simply replace a block of text in a file from one
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6 string to another. It will only do this once though, i.e. not globally
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7 throughout the file. It writes a backup file and then does an os.rename()
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8 dance for atomicity.
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9
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10 Usage: fixnotices.py [options] [filenames]
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11 Options:
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12 -h / --help
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13 Print this message and exit
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14
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15 --oldnotice=file
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16 Use the notice in the file as the old (to be replaced) string, instead
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17 of the hard coded value in the script.
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18
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19 --newnotice=file
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20 Use the notice in the file as the new (replacement) string, instead of
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21 the hard coded value in the script.
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22
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23 --dry-run
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24 Don't actually make the changes, but print out the list of files that
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25 would change. When used with -v, a status will be printed for every
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26 file.
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27
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28 -v / --verbose
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29 Print a message for every file looked at, indicating whether the file
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30 is changed or not.
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31 """
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32
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33 OLD_NOTICE = """/***********************************************************
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34 Copyright (c) 2000, BeOpen.com.
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35 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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36 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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37 All rights reserved.
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38
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39 See the file "Misc/COPYRIGHT" for information on usage and
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40 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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41 ******************************************************************/
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42 """
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43 import os
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44 import sys
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45 import getopt
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46
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47 NEW_NOTICE = ""
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48 DRYRUN = 0
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49 VERBOSE = 0
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50
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51
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52 def usage(code, msg=''):
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53 print __doc__ % globals()
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54 if msg:
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55 print msg
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56 sys.exit(code)
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57
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58
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59 def main():
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60 global DRYRUN, OLD_NOTICE, NEW_NOTICE, VERBOSE
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61 try:
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62 opts, args = getopt.getopt(sys.argv[1:], 'hv',
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63 ['help', 'oldnotice=', 'newnotice=',
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64 'dry-run', 'verbose'])
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65 except getopt.error, msg:
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66 usage(1, msg)
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67
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68 for opt, arg in opts:
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69 if opt in ('-h', '--help'):
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70 usage(0)
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71 elif opt in ('-v', '--verbose'):
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72 VERBOSE = 1
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73 elif opt == '--dry-run':
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74 DRYRUN = 1
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75 elif opt == '--oldnotice':
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76 fp = open(arg)
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77 OLD_NOTICE = fp.read()
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78 fp.close()
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79 elif opt == '--newnotice':
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80 fp = open(arg)
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81 NEW_NOTICE = fp.read()
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82 fp.close()
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83
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84 for arg in args:
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85 process(arg)
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86
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87
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88 def process(file):
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89 f = open(file)
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90 data = f.read()
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91 f.close()
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92 i = data.find(OLD_NOTICE)
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93 if i < 0:
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94 if VERBOSE:
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95 print 'no change:', file
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96 return
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97 elif DRYRUN or VERBOSE:
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98 print ' change:', file
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99 if DRYRUN:
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100 # Don't actually change the file
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101 return
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102 data = data[:i] + NEW_NOTICE + data[i+len(OLD_NOTICE):]
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103 new = file + ".new"
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104 backup = file + ".bak"
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105 f = open(new, "w")
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106 f.write(data)
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107 f.close()
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108 os.rename(file, backup)
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109 os.rename(new, file)
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110
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111
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112 if __name__ == '__main__':
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113 main()