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-rwxr-xr-xTools/scripts/diff.py60
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diff --git a/Tools/scripts/diff.py b/Tools/scripts/diff.py
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-#!/usr/bin/env python3
-""" Command line interface to difflib.py providing diffs in four formats:
-
-* ndiff: lists every line and highlights interline changes.
-* context: highlights clusters of changes in a before/after format.
-* unified: highlights clusters of changes in an inline format.
-* html: generates side by side comparison with change highlights.
-
-"""
-
-import sys, os, difflib, argparse
-from datetime import datetime, timezone
-
-def file_mtime(path):
- t = datetime.fromtimestamp(os.stat(path).st_mtime,
- timezone.utc)
- return t.astimezone().isoformat()
-
-def main():
-
- parser = argparse.ArgumentParser()
- parser.add_argument('-c', action='store_true', default=False,
- help='Produce a context format diff (default)')
- parser.add_argument('-u', action='store_true', default=False,
- help='Produce a unified format diff')
- parser.add_argument('-m', action='store_true', default=False,
- help='Produce HTML side by side diff '
- '(can use -c and -l in conjunction)')
- parser.add_argument('-n', action='store_true', default=False,
- help='Produce a ndiff format diff')
- parser.add_argument('-l', '--lines', type=int, default=3,
- help='Set number of context lines (default 3)')
- parser.add_argument('fromfile')
- parser.add_argument('tofile')
- options = parser.parse_args()
-
- n = options.lines
- fromfile = options.fromfile
- tofile = options.tofile
-
- fromdate = file_mtime(fromfile)
- todate = file_mtime(tofile)
- with open(fromfile) as ff:
- fromlines = ff.readlines()
- with open(tofile) as tf:
- tolines = tf.readlines()
-
- if options.u:
- diff = difflib.unified_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
- elif options.n:
- diff = difflib.ndiff(fromlines, tolines)
- elif options.m:
- diff = difflib.HtmlDiff().make_file(fromlines,tolines,fromfile,tofile,context=options.c,numlines=n)
- else:
- diff = difflib.context_diff(fromlines, tolines, fromfile, tofile, fromdate, todate, n=n)
-
- sys.stdout.writelines(diff)
-
-if __name__ == '__main__':
- main()