#!/usr/bin/python
# -*- coding: utf-8 -*-
# ##################################################################
#
# Copyright (C) 2010, Evan Broder <evan@ebroder.net>
# Copyright (C) 2010, Benjamin Drung <bdrung@ubuntu.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; version 2.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# See file /usr/share/common-licenses/GPL-2 for more details.
#
# ##################################################################
import optparse
import os
import shutil
import subprocess
import sys
import tempfile
from launchpadlib.launchpad import Launchpad
import lsb_release
from ubuntutools.archive import UbuntuSourcePackage, DownloadError
from ubuntutools.config import UDTConfig, ubu_email
from ubuntutools.builder import get_builder
from ubuntutools.logger import Logger
from ubuntutools.question import YesNoQuestion
def error(msg):
Logger.error(msg)
sys.exit(1)
def check_call(cmd, *args, **kwargs):
Logger.command(cmd)
ret = subprocess.call(cmd, *args, **kwargs)
if ret != 0:
error('%s returned %d.' % (cmd, ret))
def parse(args):
usage = 'Usage: %prog [options] <source package name or .dsc URL/file>'
parser = optparse.OptionParser(usage)
parser.add_option('-d', '--destination',
dest='dest_releases',
default=[],
action='append',
help='Backport to DEST release '
'(default: current release)',
metavar='DEST')
parser.add_option('-s', '--source',
dest='source_release',
default=None,
help='Backport from SOURCE release '
'(default: devel release)',
metavar='SOURCE')
parser.add_option('-S', '--suffix',
dest='suffix',
default=None,
help='Suffix to append to version number '
'(default: ~ppa1)',
metavar='SUFFIX')
parser.add_option('-b', '--build',
dest='build',
default=False,
action='store_true',
help='Build the package before uploading '
'(default: %default)')
parser.add_option('-B', '--builder',
dest='builder',
default=None,
help='Specify the package builder (default: pbuilder)',
metavar='BUILDER')
parser.add_option('-U', '--update',
dest='update',
default=False,
action='store_true',
help='Update the build environment before '
'attempting to build')
parser.add_option('-u', '--upload',
dest='upload',
help='Specify an upload destination',
metavar='UPLOAD')
parser.add_option('-y', '--yes',
dest='prompt',
default=True,
action='store_false',
help='Do not prompt before uploading to a PPA')
parser.add_option('-v', '--version',
dest='version',
default=None,
help='Package version to backport (or verify)',
metavar='VERSION')
parser.add_option('-w', '--workdir',
dest='workdir',
default=None,
help='Specify a working directory '
'(default: temporary dir)',
metavar='WORKDIR')
parser.add_option('-m', '--mirror',
dest='ubuntu_mirror',
default=None,
help='Preferred Ubuntu mirror (default: Launchpad)',
metavar='INSTANCE')
parser.add_option('-l', '--lpinstance',
dest='lpinstance',
default=None,
help='Launchpad instance to connect to '
'(default: production)',
metavar='INSTANCE')
parser.add_option('--no-conf',
dest='no_conf',
default=False,
help="Don't read config files or environment variables",
action='store_true')
opts, args = parser.parse_args(args)
if len(args) != 1:
parser.error('You must specify a single source package or a .dsc '
'URL/path.')
config = UDTConfig(opts.no_conf)
if opts.builder is None:
opts.builder = config.get_value('BUILDER')
if not opts.update:
opts.update = config.get_value('UPDATE_BUILDER', boolean=True)
if opts.workdir is None:
opts.workdir = config.get_value('WORKDIR')
if opts.lpinstance is None:
opts.lpinstance = config.get_value('LPINSTANCE')
if opts.ubuntu_mirror is None:
opts.ubuntu_mirror = config.get_value('UBUNTU_MIRROR')
if not opts.upload and not opts.workdir:
parser.error('Please specify either a working dir or an upload target!')
return opts, args
def find_release_package(launchpad, package, version, source_release):
ubuntu = launchpad.distributions['ubuntu']
archive = ubuntu.main_archive
series = ubuntu.getSeries(name_or_version=source_release)
status = 'Published'
for pocket in ('Updates', 'Security', 'Release'):
try:
srcpkg = archive.getPublishedSources(source_name=package,
distro_series=series,
pocket=pocket,
status=status,
exact_match=True)[0]
break
except IndexError:
continue
else:
error('Unable to find package %s in release %s.' %
(package, source_release))
if version and version != srcpkg.source_package_version:
error('Requested backport of version %s but %s is at version %s.' %
(version, package, srcpkg.source_package_version))
return srcpkg
def find_package(launchpad, mirror, workdir, package, version, source_release):
"Returns the SourcePackage"
if package.endswith('.dsc'):
return UbuntuSourcePackage(version=version, dscfile=package,
workdir=workdir, lp=launchpad,
mirrors=[mirror])
if not source_release and not version:
source_release = launchpad.distributions['ubuntu'].current_series.name
component = None
# If source_release is specified, then version is just for verification
if source_release:
srcpkg = find_release_package(launchpad, package, version,
source_release)
version = srcpkg.source_package_version
component = srcpkg.component_name
return UbuntuSourcePackage(package, version, component, workdir=workdir,
lp=launchpad, mirrors=[mirror])
def get_backport_version(version, suffix, upload, release):
backport_version = version + ('~%s1' % release)
if suffix is not None:
backport_version += suffix
elif upload and upload.startswith('ppa:'):
backport_version += '~ppa1'
return backport_version
def get_backport_dist(upload, release):
if not upload or upload == 'ubuntu':
return '%s-backports' % release
else:
return release
def do_build(workdir, dsc, release, builder, update):
builder = get_builder(builder)
if not builder:
return
if update:
if 0 != builder.update(release):
sys.exit(1)
return builder.build(os.path.join(workdir, dsc),
release,
os.path.join(workdir, "buildresult"))
def do_upload(workdir, package, bp_version, changes, upload, prompt):
print 'Please check %s %s in file://%s carefully!' % \
(package, bp_version, workdir)
if prompt or upload == 'ubuntu':
question = 'Do you want to upload the package to %s' % upload
answer = YesNoQuestion().ask(question, "yes")
if answer == "no":
return
check_call(['dput', upload, changes], cwd=workdir)
def do_backport(workdir, pkg, suffix, release, build, builder, update, upload,
prompt):
dirname = '%s-%s' % (pkg.source, release)
pkg.unpack(dirname)
srcdir = os.path.join(workdir, dirname)
bp_version = get_backport_version(pkg.version.full_version, suffix,
upload, release)
bp_dist = get_backport_dist(upload, release)
check_call(['dch',
'--allow-lower-version',
'--force-distribution',
'--preserve',
'--newversion', bp_version,
'--distribution', bp_dist,
'No-change backport to %s' % release],
cwd=srcdir)
check_call(['debuild', '--no-lintian', '-S', '-sa'], cwd=srcdir)
fn_base = pkg.source + '_' + bp_version.split(':', 1)[-1]
if build:
if 0 != do_build(workdir, fn_base + '.dsc', release, builder, update):
sys.exit(1)
if upload:
do_upload(workdir, pkg.source, bp_version, fn_base + '.changes',
upload, prompt)
shutil.rmtree(srcdir)
def main(args):
os.environ['DEB_VENDOR'] = 'Ubuntu'
ubu_email()
opts, (package_or_dsc,) = parse(args[1:])
script_name = os.path.basename(sys.argv[0])
launchpad = Launchpad.login_anonymously(script_name, opts.lpinstance)
if not opts.dest_releases:
distinfo = lsb_release.get_distro_information()
try:
opts.dest_releases = [distinfo['CODENAME']]
except KeyError:
error('No destination release specified and unable to guess yours.')
if opts.workdir:
workdir = os.path.expanduser(opts.workdir)
else:
workdir = tempfile.mkdtemp(prefix='backportpackage-')
if not os.path.exists(workdir):
os.makedirs(workdir)
try:
pkg = find_package(launchpad,
opts.ubuntu_mirror,
workdir,
package_or_dsc,
opts.version,
opts.source_release)
pkg.pull()
for release in opts.dest_releases:
do_backport(workdir,
pkg,
opts.suffix,
release,
opts.build,
opts.builder,
opts.update,
opts.upload,
opts.prompt)
except DownloadError, e:
error(str(e))
finally:
if not opts.workdir:
shutil.rmtree(workdir)
if __name__ == '__main__':
sys.exit(main(sys.argv))