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#!/usr/bin/python
# Copyright 2011 Lars Wirzenius
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.
import cliapp
import logging
import os
import subprocess
import time
class PbuilderCreate(cliapp.Application):
def add_settings(self):
self.settings.string(['mirror', 'm'], 'use URL for mirror (%default)',
metavar='URL', default='http://mirror/debian')
self.settings.string_list(['release', 'r'],
'build tgz for RELEASE (%default)',
metavar='RELEASE',
default=['squeeze', 'sid'])
self.settings.string_list(['arch', 'a'],
'build tgz for ARCH (%default)',
metavar='ARCH', default=['amd64', 'i386'])
self.settings.string(['othermirror', 'o'],
'also build tgz with pbuilder --othermirror, '
'set to empty to avoid this '
'(%default)',
default='deb http://code.liw.fi/debian squeeze main')
self.settings.integer(['max-age'],
'trigger tgz update if older than N days '
'(%default)',
metavar='N', default=1)
self.settings.boolean(['no-act', 'dry-run'],
'just pretend')
self.settings.boolean(['verbose'], 'print commands before executing')
def process_args(self, args):
for release in self.settings['release']:
for arch in self.settings['arch']:
self.pbuilder(release, arch, 'debian', None)
if self.settings['othermirror']:
self.pbuilder(release, arch, 'custom',
self.settings['othermirror'])
def pbuilder(self, release, arch, suffix, othermirror):
tgz = self.tgz(release, arch, suffix)
if os.path.exists(tgz):
if not self.need_to_update_tgz(tgz):
return
argv = ['pbuilder',
'--update',
'--basetgz', tgz,
'--logfile', tgz + '.log']
else:
argv = ['pbuilder',
'--create',
'--mirror', self.settings['mirror'],
'--architecture', arch,
'--distribution', release,
'--basetgz', tgz,
'--logfile', tgz + '.log']
if othermirror:
argv += ['--othermirror', othermirror]
self.runcmd(argv)
def need_to_update_tgz(self, tgz):
mtime = os.path.getmtime(tgz)
now = time.time()
max_age_secs = self.settings['max-age'] * 24 * 60 * 40
return mtime <= now - max_age_secs
def tgz(self, release, arch, suffix):
basename = '%s-%s-%s.tgz' % (release, arch, suffix)
return os.path.join('/', 'var', 'cache', 'pbuilder', basename)
def runcmd(self, argv, *args, **kwargs):
logging.info('runcmd: %s' % argv)
if self.settings['verbose']:
print ' '. join(argv)
if self.settings['no-act']:
return
devnull = os.open('/dev/null', os.O_WRONLY)
p = subprocess.Popen(argv, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT, *args, **kwargs)
out, err = p.communicate()
os.close(devnull)
if p.returncode:
raise cliapp.AppException('command failed: %s\n%s' %
(' '.join(argv), out))
if __name__ == '__main__':
PbuilderCreate().run()
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