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applypatch.py
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applypatch.py
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# ***** BEGIN LICENSE BLOCK *****
# Version: MPL 1.1/GPL 2.0/LGPL 2.1
#
# The contents of this file are subject to the Mozilla Public License
# Version 1.1 (the "License"); you may not use this file except in
# compliance with the License. You may obtain a copy of the License at
# http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
# License for the specific language governing rights and limitations
# under the License.
#
# The Original Code is Komodo code.
#
# The Initial Developer of the Original Code is ActiveState Software Inc.
# Portions created by ActiveState Software Inc are Copyright (C) 2000-2007
# ActiveState Software Inc. All Rights Reserved.
#
# Contributor(s):
# ActiveState Software Inc
#
# Alternatively, the contents of this file may be used under the terms of
# either the GNU General Public License Version 2 or later (the "GPL"), or
# the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
# in which case the provisions of the GPL or the LGPL are applicable instead
# of those above. If you wish to allow use of your version of this file only
# under the terms of either the GPL or the LGPL, and not to allow others to
# use your version of this file under the terms of the MPL, indicate your
# decision by deleting the provisions above and replace them with the notice
# and other provisions required by the GPL or the LGPL. If you do not delete
# the provisions above, a recipient may use your version of this file under
# the terms of any one of the MPL, the GPL or the LGPL.
#
# ***** END LICENSE BLOCK *****
"""
Setup for an decribe how to apply a patch generated by 'px genpatch'.
Usage:
python applypatch.py [<options>] <patchfile>
Options:
-h, --help Show this help and exit.
This script will p4 open the appropriate files and check if the patch
can be cleanly applied. If so then it will give a command that can be
cut and pasted to actually apply the patch.
"""
import sys
import os
import getopt
def applypatch(patchfile):
data = open(patchfile).read()
# should start w/ Files Affected & end w/ Diff
lines = [line.lstrip() for line in data.split('\n')]
candidates = [line for line in lines if line.startswith('//depot')]
edits = [line.split()[0] for line in candidates if line.endswith('# edit')]
adds = [line.split()[0] for line in candidates if line.endswith('# add')]
deletes = [line.split()[0] for line in candidates if line.endswith('# delete')]
patch = data[data.find('\n\nDiff:'):]
print len(edits), len(adds), len(deletes), len(candidates)
if len(edits)+len(adds)+len(deletes) != len(candidates):
print "There are branch or merge operations in this patch."
print "I don't know how to deal with those so will refuse to do "\
"anything."
return 1
def p4opened(file):
return os.popen('p4 opened '+file).read() != ''
opened = filter(p4opened, edits + adds + deletes)
if opened:
print "There are files in this patch which are already opened."
print "Submit your changes first."
print "Opened files: \n\t" + '\n\t'.join(opened)
return 1
for file in edits:
os.system('p4 edit '+file)
for file in deletes:
os.system('p4 delete '+file)
for file in adds:
os.system('p4 add '+file)
retval = 0
print "Dry run to see if patch can be applied: --------------------"
if os.system('patch -p3 --dry-run -f < %s' % patchfile):
print "The dry run showed that the patch will not apply cleanly,"
print "however the relevant files have still been p4 open'd."
retval = 1
print "-"*70
print "You can apply the patch with this command:"
print "\tpatch -p3 < %s" % patchfile
return retval
#---- mainline
def main(argv):
# Process options.
try:
optlist, args = getopt.getopt(argv[1:], 'h', ['help'])
except getopt.GetoptError, msg:
sys.stderr.write("error: %s. Your invocation was: %s\n" % (msg, argv))
sys.stderr.write("See 'python applypatch.py --help'\n")
return 1
for opt, optarg in optlist:
if opt in ('-h', '--help'):
print __doc__
return 0
# Process arguments.
if len(args) != 1:
sys.stderr.write("error: Incorrect number of arguments: %s\n" % args)
sys.stderr.write("See 'python applypatch.py --help'\n")
return 1
else:
return applypatch(args[0])
if __name__ == "__main__":
sys.exit( main(sys.argv) )