patchlib/scripts/patch at master · feed3r/patchlib · GitHub

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#!/usr/bin/env python

""" Patch utility to apply unified diffs

Brute-force line-by-line non-recursive parsing

Available under the terms of MIT license

Project home: http://code.google.com/p/python-patch/

$Id: patch.py 245 2014-03-03 07:57:12Z techtonik $

$HeadURL: http://python-patch.googlecode.com/svn/trunk/patch.py $

"""

__author__ = "anatoly techtonik <techtonik@gmail.com>"

__version__ = "1.14dev"

from optparse import OptionParser

import os.path

import sys

import copy

import logging

import re

from cStringIO import StringIO

import urllib2

import os

import patchlib

def _main()

opt = OptionParser(usage="1. %prog [options] unified.diff\n"

" 2. %prog [options] -- < unified.diff",

version="python-patch %s" % __version__)

opt.add_option("-q", "--quiet", action="store_const", dest="verbosity",

const=0, help="print only warnings and errors", default=1)

opt.add_option("-v", "--verbose", action="store_const", dest="verbosity",

const=2, help="be verbose")

opt.add_option("--debug", action="store_true", dest="debugmode", help="debug mode")

opt.add_option("--diffstat", action="store_true", dest="diffstat",

help="print diffstat and exit")

opt.add_option("-d", "--directory", metavar='DIR',

help="specify root directory for applying patch")

opt.add_option("-p", "--strip", type="int", metavar='N', default=0,

help="strip N path components from filenames")

opt.add_option("--revert", action="store_true",

help="apply patch in reverse order (unpatch)")

(options, args) = opt.parse_args()

if not args and sys.argv[-1:] != ['--']:

opt.print_version()

opt.print_help()

sys.exit()

readstdin = (sys.argv[-1:] == ['--'] and not args)

patchlib.debugmode = options.debugmode

verbosity_levels = {0:logging.WARNING, 1:logging.INFO, 2:logging.DEBUG}

loglevel = verbosity_levels[options.verbosity]

logformat = "%(message)s"

if debugmode:

loglevel = logging.DEBUG

logformat = "%(levelname)8s %(message)s"

patchlib.logger.setLevel(loglevel)

loghandler = logging.StreamHandler()

loghandler.setFormatter(logging.Formatter(logformat))

patchlib.logger.addHandler(loghandler)

if readstdin:

patch = pachlib.PatchSet(sys.stdin)

else:

patchfile = args[0]

if not os.path.exists(patchfile) or not os.path.isfile(patchfile):

sys.exit("patch file does not exist - %s" % patchfile)

patch = patchlib.fromfile(patchfile)

if options.diffstat:

print patch.diffstat()

elif options.revert:

patch.revert(options.strip, root=options.directory) or sys.exit(-1)

else:

patch.apply(options.strip, root=options.directory) or sys.exit(-1)

if __name__ == "__main__":

_main()

patchlib/scripts/patch at master · feed3r/patchlib · GitHub

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