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Issue #18974: Tools/scripts/diff.py now uses argparse instead of optparse.

This commit is contained in:
Serhiy Storchaka 2014-07-15 13:23:58 +03:00
parent 24fb2d4012
commit 992334127e
2 changed files with 20 additions and 16 deletions
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2
Misc/NEWS
View File

@ -759,6 +759,8 @@ Tests
Tools/Demos
-----------
- Issue #18974: Tools/scripts/diff.py now uses argparse instead of optparse.
- Issue #21906: Make Tools/scripts/md5sum.py work in Python 3.
Patch by Zachary Ware.

34
Tools/scripts/diff.py
View File

@ -8,7 +8,7 @@
"""
import sys, os, time, difflib, optparse
import sys, os, time, difflib, argparse
from datetime import datetime, timezone
def file_mtime(path):
@ -18,23 +18,25 @@ def file_mtime(path):
def main():
usage = "usage: %prog [options] fromfile tofile"
parser = optparse.OptionParser(usage)
parser.add_option("-c", action="store_true", default=False, help='Produce a context format diff (default)')
parser.add_option("-u", action="store_true", default=False, help='Produce a unified format diff')
parser.add_option("-m", action="store_true", default=False, help='Produce HTML side by side diff (can use -c and -l in conjunction)')
parser.add_option("-n", action="store_true", default=False, help='Produce a ndiff format diff')
parser.add_option("-l", "--lines", type="int", default=3, help='Set number of context lines (default 3)')
(options, args) = parser.parse_args()
if len(args) == 0:
parser.print_help()
sys.exit(1)
if len(args) != 2:
parser.error("need to specify both a fromfile and tofile")
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, tofile = args
fromfile = options.fromfile
tofile = options.tofile
fromdate = file_mtime(fromfile)
todate = file_mtime(tofile)