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#!/usr/bin/python
import re
import hashlib
import os
import subprocess
from textwrap import TextWrapper
from optparse import OptionParser
PATCHES_FILE = 'debian/.vdr-patches'
PATCH_INFO_FILE = 'debian/patchinfo'
def collect_patch_info():
patchInfo = []
for patch in subprocess.check_output('quilt series', shell=True).splitlines():
md5 = hashlib.md5(open('debian/patches/' + patch).read()).hexdigest()
header = subprocess.check_output("quilt header '%s'" % patch, shell=True)
author = description = None
match = re.search('^Author: (.*)', header, re.MULTILINE)
if match:
author = match.group(1)
match = re.search('^Description: ((.*?)\n( .*?\n)*)', header, re.DOTALL)
if match:
description = re.sub(r'^ \.?', '', match.group(1), 0, re.MULTILINE)
description = re.sub(r'^([^.].*)\n', r'\1 ', description, 0, re.MULTILINE)
if author and description:
patchInfo.append((patch, md5, author, description))
else:
print 'Incomplete patch header in %s' % patch
exit(1)
return patchInfo
def get_last_patches():
lastPatches = []
for line in open(PATCHES_FILE, "r"):
match = re.match('(.+):(.+)', line.rstrip())
if match:
lastPatches.append((match.group(1), match.group(2)))
return lastPatches
def generate_patchlist(patchInfo):
patchListFile = open(PATCHES_FILE, "w")
for (fileName, md5, author, description) in patchInfo:
print >>patchListFile, "%s:%s" % (fileName, md5)
def generate_patchinfo(patchInfo):
patchInfoFile = open(PATCH_INFO_FILE, "w")
print >>patchInfoFile, 'Patches applied to vanilla vdr sources'
print >>patchInfoFile, '--------------------------------------'
print >>patchInfoFile
for (fileName, md5, author, description) in patchInfo:
print >>patchInfoFile, fileName
print >>patchInfoFile, ' ' + author
print >>patchInfoFile
wrapper = TextWrapper(initial_indent=' ', subsequent_indent=' ', break_on_hyphens=False, width=80)
for paragraph in description.splitlines():
print >>patchInfoFile, wrapper.fill(paragraph)
print >>patchInfoFile
def report_patches(patches, reportText):
if len(patches) > 0:
print reportText
for p in patches:
print " " + p
print
def check_patches():
current_patches = [(p[0], p[1]) for p in collect_patch_info()]
last_patches = get_last_patches()
new_patches = set(p[0] for p in current_patches) - set(p[0] for p in last_patches)
removed_patches = set(p[0] for p in last_patches) - set(p[0] for p in current_patches)
changed_patches = set(p[0] for p in (set(last_patches) - set(current_patches))) - set(removed_patches)
report_patches(new_patches, "The following patches are new:")
report_patches(removed_patches, "The following patches have been disabled:")
report_patches(changed_patches, "The following patches have been modified:")
if len(new_patches) + len(removed_patches) + len(changed_patches) > 0:
commandLine = "debian/rules accept-patches"
abiVersion = "abi-version"
print "Please check, if any of the above changes affects VDR's ABI!"
print "If this is the case, then update %s and run" % abiVersion
print "'%s' to update the snapshot of" % commandLine
print "the current patch level."
exit(1)
#
# main()
#
parser = OptionParser()
parser.add_option("-u", "--update", action="store_true", dest="doUpdate", help="updated the list of accepted patches")
parser.add_option("-c", "--check", action="store_true", dest="doCheck", help="check patches")
(options, args) = parser.parse_args()
if options.doCheck:
check_patches()
elif options.doUpdate:
patchInfo = collect_patch_info()
generate_patchlist(patchInfo)
generate_patchinfo(patchInfo)
else:
parser.print_help()
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