Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/untabify.py @ 25838:8540887bcec6 2.2

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Backport of 2.183: Fix memory leak in add_subclass() found by NealN with valgrind.
author Guido van Rossum <guido@python.org>
date Fri, 18 Oct 2002 13:42:21 +0000
parents 0379eb7be323
children 8a7a2f1f88f0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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b826e50e9573 Utility to untabify stubber results.
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1 #! /usr/bin/env python
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2
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3 "Replace tabs with spaces in argument files. Print names of changed files."
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4
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5 import os
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6 import sys
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7 import string
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8 import getopt
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9
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10 def main():
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11 tabsize = 8
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12 try:
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13 opts, args = getopt.getopt(sys.argv[1:], "t:")
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14 if not args:
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15 raise getopt.error, "At least one file argument required"
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16 except getopt.error, msg:
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17 print msg
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18 print "usage:", sys.argv[0], "[-t tabwidth] file ..."
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19 return
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20 for optname, optvalue in opts:
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21 if optname == '-t':
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22 tabsize = int(optvalue)
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23
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24 for file in args:
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25 process(file, tabsize)
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26
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27 def process(file, tabsize):
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28 try:
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29 f = open(file)
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30 text = f.read()
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31 f.close()
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32 except IOError, msg:
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33 print "%s: I/O error: %s" % (`file`, str(msg))
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34 return
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35 newtext = string.expandtabs(text, tabsize)
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36 if newtext == text:
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37 return
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38 backup = file + "~"
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39 try:
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40 os.unlink(backup)
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41 except os.error:
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42 pass
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43 try:
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44 os.rename(file, backup)
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45 except os.error:
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46 pass
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47 f = open(file, "w")
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48 f.write(newtext)
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49 f.close()
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50 print file
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51
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52 if __name__ == '__main__':
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53 main()