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# Deb-o-Matic
#
# Copyright (C) 2007-2009 Luca Falavigna
#
# Author: Luca Falavigna <dktrkranz@debian.org>
#
# 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 3 of the License.
#
# 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.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
import os
import sys
from hashlib import sha256
from time import strftime
from urllib import urlopen
from Debomatic import locks
from Debomatic import Options
def setup_pbuilder(directory, configdir, distopts):
if not os.path.exists(os.path.join(directory)):
os.mkdir(os.path.join(directory))
if not locks.pbuilderlock_acquire(distopts['distribution']):
raise RuntimeError
try:
needs_update(directory, distopts['mirror'], distopts['distribution'])
except RuntimeError, result:
try:
prepare_pbuilder(result.args[0], directory, configdir, distopts)
except RuntimeError, error:
raise error
if not os.path.exists(os.path.join(directory, 'gpg')):
os.mkdir(os.path.join(directory, 'gpg'))
gpgfile = os.path.join(directory, 'gpg', distopts['distribution'])
fd = os.open(gpgfile, os.O_WRONLY | os.O_CREAT, 0664)
try:
remote = urlopen('%s/dists/%s/Release.gpg' % (distopts['mirror'], distopts['distribution'])).read()
except:
locks.pbuilderlock_release(distopts['distribution'])
raise RuntimeError(_('Unable to fetch %(mirror)s/dists/%(dist)s/Release.gpg') % {'mirror':distopts['mirror'], 'dist':distopts['distribution']})
os.write(fd, remote)
os.close(fd)
locks.pbuilderlock_release(distopts['distribution'])
def needs_update(directory, mirror, distribution):
if not os.path.exists(os.path.join(directory, 'gpg')):
os.mkdir(os.path.join(directory, 'gpg'))
gpgfile = os.path.join(directory, 'gpg', distribution)
if not os.path.exists(gpgfile):
raise RuntimeError('create')
try:
fd = os.open(gpgfile, os.O_RDONLY)
except OSError:
raise RuntimeError('create')
try:
remote = urlopen('%s/dists/%s/Release.gpg' % (mirror, distribution)).read()
except:
print _('Unable to fetch %(mirror)s/dists/%(dist)s/Release.gpg') % {'mirror':mirror, 'dist':distribution}
raise RuntimeError('update')
remote_sha = sha256()
gpgfile_sha = sha256()
remote_sha.update(remote)
gpgfile_sha.update(os.read(fd, os.fstat(fd).st_size))
os.close(fd)
if remote_sha.digest() != gpgfile_sha.digest():
raise RuntimeError('update')
def prepare_pbuilder(cmd, directory, configdir, distopts):
if not os.path.exists(os.path.join(directory, 'build')):
os.mkdir(os.path.join(directory, 'build'))
if not os.path.exists(os.path.join(directory, 'aptcache')):
os.mkdir(os.path.join(directory, 'aptcache'))
if not os.path.exists(os.path.join(directory, 'logs')):
os.mkdir(os.path.join(directory, 'logs'))
base = '--basepath' if Options.get('default', 'builder') == 'cowbuilder' else '--basetgz'
if (os.system('%(builder)s --%(cmd)s %(basetype)s %(directory)s/%(distribution)s \
--override-config --configfile %(cfg)s --buildplace %(directory)s/build \
--aptcache "%(directory)s/aptcache" --logfile %(directory)s/logs/%(cmd)s.%(now)s >/dev/null 2>&1' \
% {'builder': Options.get('default', 'builder'), 'cmd': cmd, 'directory': directory, 'basetype': base, \
'distribution': distopts['distribution'], 'cfg': os.path.join(configdir, distopts['distribution']), \
'now': strftime('%Y%m%d_%H%M')})):
locks.pbuilderlock_release(distopts['distribution'])
raise RuntimeError(_('%(builder)s %(cmd)s failed') % {'builder':Options.get('default', 'builder'), 'cmd':cmd})
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