Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/untabify.py @ 64166:d0e9febfa00a 3.1

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Merged revisions 84172 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/py3k ........ r84172 | martin.v.loewis | 2010-08-18 18:12:23 +0200 (Mi, 18 Aug 2010) | 2 lines Restore GIL in nis_cat in case of error. ........
author Martin v. Löwis <martin@v.loewis.de>
date Thu, 19 Aug 2010 09:03:03 +0000
parents e4ade16a694f
children 05ee6f8c0260 fcfe324663a6
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 getopt
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8
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9 def main():
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10 tabsize = 8
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11 try:
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12 opts, args = getopt.getopt(sys.argv[1:], "t:")
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13 if not args:
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14 raise getopt.error("At least one file argument required")
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15 except getopt.error as msg:
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16 print(msg)
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17 print("usage:", sys.argv[0], "[-t tabwidth] file ...")
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18 return
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19 for optname, optvalue in opts:
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20 if optname == '-t':
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21 tabsize = int(optvalue)
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22
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23 for filename in args:
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24 process(filename, tabsize)
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25
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26 def process(filename, tabsize):
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27 try:
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28 f = open(filename)
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29 text = f.read()
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30 f.close()
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31 except IOError as msg:
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32 print("%r: I/O error: %s" % (filename, msg))
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33 return
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34 newtext = text.expandtabs(tabsize)
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35 if newtext == text:
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36 return
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37 backup = filename + "~"
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38 try:
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39 os.unlink(backup)
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40 except os.error:
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41 pass
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42 try:
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43 os.rename(filename, backup)
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44 except os.error:
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45 pass
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46 f = open(filename, "w")
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47 f.write(newtext)
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48 f.close()
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49 print(filename)
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50
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51 if __name__ == '__main__':
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52 main()