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annotate Tools/scripts/diff.py @ 71557:65d5ecefd50d 3.2

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Fix missing or wrong shebangs and missing executable bits for scripts (#10318)
author Éric Araujo <merwok@netwok.org>
date Tue, 26 Jul 2011 18:01:08 +0200
parents ab588ce9e71f
children ec95b94ea831
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
71557
65d5ecefd50d Fix missing or wrong shebangs and missing executable bits for scripts (#10318)
Éric Araujo <merwok@netwok.org>
parents: 33666
diff changeset
1 #!/usr/bin/env python3
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Martin v. Löwis <martin@v.loewis.de>
parents: 33074
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2 """ Command line interface to difflib.py providing diffs in four formats:
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3
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4 * ndiff: lists every line and highlights interline changes.
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Martin v. Löwis <martin@v.loewis.de>
parents: 33074
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5 * context: highlights clusters of changes in a before/after format.
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parents:
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6 * unified: highlights clusters of changes in an inline format.
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6d3bdd19beeb Patch #914575: difflib side by side diff support, diff.py s/b/s HTML option.
Martin v. Löwis <martin@v.loewis.de>
parents: 33074
diff changeset
7 * html: generates side by side comparison with change highlights.
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parents:
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8
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Raymond Hettinger <python@rcn.com>
parents:
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9 """
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10
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11 import sys, os, time, difflib, optparse
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12
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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13 def main():
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14
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parents: 32538
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15 usage = "usage: %prog [options] fromfile tofile"
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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16 parser = optparse.OptionParser(usage)
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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17 parser.add_option("-c", action="store_true", default=False, help='Produce a context format diff (default)')
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parents: 32538
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18 parser.add_option("-u", action="store_true", default=False, help='Produce a unified format diff')
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Martin v. Löwis <martin@v.loewis.de>
parents: 33074
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19 parser.add_option("-m", action="store_true", default=False, help='Produce HTML side by side diff (can use -c and -l in conjunction)')
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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20 parser.add_option("-n", action="store_true", default=False, help='Produce a ndiff format diff')
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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21 parser.add_option("-l", "--lines", type="int", default=3, help='Set number of context lines (default 3)')
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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22 (options, args) = parser.parse_args()
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23
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parents: 32538
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24 if len(args) == 0:
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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25 parser.print_help()
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parents: 32538
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26 sys.exit(1)
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parents: 32538
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27 if len(args) != 2:
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parents: 32538
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28 parser.error("need to specify both a fromfile and tofile")
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29
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30 n = options.lines
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parents: 32538
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31 fromfile, tofile = args
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32
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33 fromdate = time.ctime(os.stat(fromfile).st_mtime)
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parents: 32538
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34 todate = time.ctime(os.stat(tofile).st_mtime)
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Tim Peters <tim.peters@gmail.com>
parents: 33319
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35 fromlines = open(fromfile, 'U').readlines()
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parents: 33319
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36 tolines = open(tofile, 'U').readlines()
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37
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parents: 32538
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38 if options.u:
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parents: 32538
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39 diff = difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
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parents: 32538
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40 elif options.n:
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parents: 32538
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41 diff = difflib.ndiff(fromlines, tolines)
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6d3bdd19beeb Patch #914575: difflib side by side diff support, diff.py s/b/s HTML option.
Martin v. Löwis <martin@v.loewis.de>
parents: 33074
diff changeset
42 elif options.m:
6d3bdd19beeb Patch #914575: difflib side by side diff support, diff.py s/b/s HTML option.
Martin v. Löwis <martin@v.loewis.de>
parents: 33074
diff changeset
43 diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile,context=options.c,numlines=n)
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Andrew M. Kuchling <amk@amk.ca>
parents: 32538
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44 else:
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parents: 32538
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45 diff = difflib.context_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
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46
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parents: 32538
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47 sys.stdout.writelines(diff)
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parents: 32538
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48
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parents: 32538
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49 if __name__ == '__main__':
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parents: 32538
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50 main()