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annotate Tools/scripts/diff.py @ 66978:aed2bbafa550 3.1

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Blocked revisions 87324 via svnmerge ........ r87324 | r.david.murray | 2010-12-16 14:08:51 -0500 (Thu, 16 Dec 2010) | 9 lines #10719: restore messages generated on invalid compileall args Before the introduction of filename arguments to compileall it gave semi useful messages about not being able to 'list' names that weren't valid directories. This fix restores that behavior. In addition to the test for this case, the patch also adds a test for the default behavior of compileall when no arguments are provided, and fixes a bug in one of the previously added tests. ........
author R. David Murray <rdmurray@bitdance.com>
date Thu, 16 Dec 2010 19:10:16 +0000
parents ab588ce9e71f
children 7fb0abf928e0 65d5ecefd50d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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Martin v. Löwis <martin@v.loewis.de>
parents: 33074
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1 """ Command line interface to difflib.py providing diffs in four formats:
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2
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3 * ndiff: lists every line and highlights interline changes.
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parents: 33074
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4 * context: highlights clusters of changes in a before/after format.
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5 * unified: highlights clusters of changes in an inline format.
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parents: 33074
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6 * html: generates side by side comparison with change highlights.
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7
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8 """
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9
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10 import sys, os, time, difflib, optparse
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11
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12 def main():
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13
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14 usage = "usage: %prog [options] fromfile tofile"
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15 parser = optparse.OptionParser(usage)
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16 parser.add_option("-c", action="store_true", default=False, help='Produce a context format diff (default)')
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17 parser.add_option("-u", action="store_true", default=False, help='Produce a unified format diff')
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parents: 33074
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18 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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19 parser.add_option("-n", action="store_true", default=False, help='Produce a ndiff format diff')
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20 parser.add_option("-l", "--lines", type="int", default=3, help='Set number of context lines (default 3)')
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21 (options, args) = parser.parse_args()
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22
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23 if len(args) == 0:
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24 parser.print_help()
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25 sys.exit(1)
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26 if len(args) != 2:
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27 parser.error("need to specify both a fromfile and tofile")
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28
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29 n = options.lines
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30 fromfile, tofile = args
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31
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32 fromdate = time.ctime(os.stat(fromfile).st_mtime)
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33 todate = time.ctime(os.stat(tofile).st_mtime)
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34 fromlines = open(fromfile, 'U').readlines()
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35 tolines = open(tofile, 'U').readlines()
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36
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37 if options.u:
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38 diff = difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
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39 elif options.n:
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40 diff = difflib.ndiff(fromlines, tolines)
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Martin v. Löwis <martin@v.loewis.de>
parents: 33074
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41 elif options.m:
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parents: 33074
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42 diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile,context=options.c,numlines=n)
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43 else:
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44 diff = difflib.context_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
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45
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46 sys.stdout.writelines(diff)
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48 if __name__ == '__main__':
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49 main()