/usr/share/debomatic/Debomatic/build.py is in debomatic 0.13-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (C) 2007-2014 Luca Falavigna
# Copyright (C) 2010 Alessio Treglia
#
# 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
from ast import literal_eval
from hashlib import sha256
from logging import debug, error, info
from re import findall
from subprocess import call, check_output
from time import strftime
from urllib.request import Request, urlopen
from urllib.error import HTTPError, URLError
from .gpg import GPG
from .modules import Module
class Build:
def __init__(self, opts, package=None, dsc=None, debopts=None,
distribution=None, extrabd=None, origin=None, uploader=None):
(self.opts, self.rtopts, self.conffile) = opts
self.package = package
self.dscfile = dsc
self.debopts = debopts
self.distribution = distribution
self.extrabd = extrabd
self.origin = origin
self.cmd = None
self.distopts = {}
self.files = set()
self.packagedir = self.opts.get('default', 'packagedir')
self.full = False
self.uploader = uploader
def build(self):
if self.full:
debug(_('Full build routine launched'))
else:
debug(_('Simple build routine launched'))
if self.dscfile:
self.files.add(self.dscfile)
debug(_('File %s added') % self.dscfile)
self.parse_distribution_options()
if self.distribution in self.runtime_option('distblacklist'):
self.remove_files()
error(_('Distribution %s is disabled') % self.distribution)
raise RuntimeError
self.fetch_missing_files()
try:
self.setup_pbuilder()
except RuntimeError:
self.remove_files()
else:
self.build_package()
def build_package(self):
mod = Module((self.opts, self.rtopts, self.conffile))
uploader_email = ''
packageversion = os.path.splitext(os.path.basename(self.dscfile))[0]
builddir = os.path.join(self.buildpath, 'pool', packageversion)
info(_('Building %s') % os.path.basename(self.dscfile))
if not os.path.exists(builddir):
os.mkdir(builddir)
if self.uploader:
uploader_email = self.uploader[1].decode('utf-8')
builder = self.opts.get('default', 'builder')
architecture = self.opts.get('default', 'architecture')
if architecture == 'system':
b_arch = check_output(['dpkg-architecture', '-qDEB_BUILD_ARCH'])
architecture = b_arch.strip().decode('utf-8')
debug(_('Pre-build hooks launched'))
mod.execute_hook('pre_build', {'cfg': self.configfile,
'directory': self.buildpath,
'distribution': self.distribution,
'architecture': architecture,
'dsc': self.dscfile,
'opts': self.opts,
'package': packageversion,
'uploader': uploader_email})
debug(_('Pre-build hooks finished'))
if builder == 'cowbuilder':
base = '--basepath'
else:
base = '--basetgz'
debopts = ' '.join((self.get_build_options(),
self.get_changelog_versions(),
self.get_compression(),
self.get_orig_tarball()))
with open(os.devnull, 'w') as fd:
try:
debug(_('Launching %s') % builder)
result = call([builder, '--build', '--override-config',
base, '%s/%s' % (self.buildpath,
self.distribution),
'--architecture', architecture,
'--logfile', '%s/pool/%s/%s.buildlog' %
(self.buildpath, packageversion,
packageversion),
'--buildplace', '%s/build' % self.buildpath,
'--buildresult', '%s/pool/%s' %
(self.buildpath, packageversion),
'--aptcache', '%s/aptcache' % self.buildpath,
'--debbuildopts', '%s' % debopts,
'--hookdir', self.opts.get('default',
'pbuilderhooks'),
'--extrapackages',
'%s' % self.get_extra_builddeps(),
'--configfile', self.configfile, self.dscfile],
stdout=fd, stderr=fd)
except OSError:
error(_('Unable to launch %s') % builder)
result = -1
debug(_('Post-build hooks launched'))
mod.execute_hook('post_build', {'cfg': self.configfile,
'directory': self.buildpath,
'distribution': self.distribution,
'architecture': architecture,
'dsc': self.dscfile,
'opts': self.opts,
'package': packageversion,
'uploader': uploader_email,
'success': result == 0})
debug(_('Post-build hooks finished'))
self.remove_files()
info(_('Build of %s complete') % os.path.basename(self.dscfile))
def fetch_missing_files(self):
filename = self.dscfile if self.dscfile else self.package
packagename = os.path.basename(filename).split('_')[0]
for filename in self.files:
if not self.dscfile:
if filename.endswith('.dsc'):
self.dscfile = filename
break
if not self.dscfile:
self.remove_files()
error(_('Bad .changes file: %s') % self.package)
raise RuntimeError
with open(self.dscfile, 'r') as fd:
data = fd.read()
for entry in findall('\s\w{32}\s\d+\s(\S+)', data):
if not os.path.exists(os.path.join(self.packagedir, entry)):
for component in self.distopts['ocomponents'].split():
request = Request('%s/pool/%s/%s/%s/%s' %
(self.distopts['origin'], component,
findall('^lib\S|^\S', packagename)[0],
packagename, entry))
debug(_('Requesting URL %s') % request.get_full_url())
try:
debug(_('Downloading missing %s') % entry)
data = urlopen(request).read()
break
except (HTTPError, URLError):
data = None
if data:
with open(os.path.join(self.packagedir, entry), 'wb') as e:
e.write(data)
if not (os.path.join(self.packagedir, entry)) in self.files:
entry = os.path.join(self.packagedir, entry)
self.files.add(entry)
debug(_('File %s added') % entry)
def get_build_options(self):
if self.debopts:
return '-B -m"%s"' % self.debopts
else:
return ''
def get_changelog_versions(self):
version = ''
if self.full:
with open(os.path.join(self.packagedir, self.package), 'r') as fd:
data = fd.read()
try:
version = '-v%s~' % findall(' \S+ \((\S+)\) \S+; ', data)[-1]
except IndexError:
pass
return version
def get_compression(self):
compression = ''
ext = {'.gz': 'gzip', '.bz2': 'bzip2', '.xz': 'xz'}
for pkgfile in self.files:
if os.path.exists(pkgfile):
if findall('(.*\.debian\..*)', pkgfile):
try:
compression = ('-Z%s' %
ext[os.path.splitext(pkgfile)[1]])
except IndexError:
pass
return compression
def get_extra_builddeps(self):
if self.extrabd:
return self.extrabd
else:
return ''
def get_orig_tarball(self):
sa = ''
if self.full:
with open(self.packagepath, 'r') as fd:
data = fd.read()
for file in findall('\s\w{32}\s\d+\s\S+\s\S+\s(.*)', data):
if '.orig.' in file:
sa = '-sa'
break
return sa
def map_distribution(self):
self.rtopts.read(self.conffile)
if self.rtopts.has_option('runtime', 'mapper'):
try:
mapper = literal_eval(self.rtopts.get('runtime', 'mapper'))
except SyntaxError:
pass
else:
if isinstance(mapper, dict):
if self.distribution in mapper:
debug(_('%(mapped)s mapped as %(mapper)s') %
{'mapped': self.distribution,
'mapper': mapper[self.distribution]})
self.distribution = mapper[self.distribution]
def needs_update(self):
distribution = self.distopts['distribution']
if not os.path.exists(os.path.join(self.buildpath, 'gpg')):
os.mkdir(os.path.join(self.buildpath, 'gpg'))
gpgfile = os.path.join(self.buildpath, 'gpg', distribution)
if not os.path.exists(gpgfile):
self.cmd = 'create'
debug(_('%s chroot must be created') % distribution)
return
if self.distribution in self.runtime_option('alwaysupdate'):
self.cmd = 'update'
debug(_('%s chroot must be updated') % distribution)
return
uri = '%s/dists/%s/Release.gpg' % (self.distopts['mirror'],
distribution)
try:
remote = urlopen(uri).read()
except (HTTPError, URLError):
error(_('Unable to fetch %s') % uri)
self.cmd = 'update'
debug(_('%s chroot must be updated') % distribution)
return
remote_sha = sha256()
gpgfile_sha = sha256()
remote_sha.update(remote)
try:
with open(gpgfile, 'r') as fd:
gpgfile_sha.update(fd.read().encode('utf-8'))
except OSError:
self.cmd = 'create'
debug(_('%s chroot must be created') % distribution)
return
if remote_sha.digest() != gpgfile_sha.digest():
self.cmd = 'update'
debug(_('%s chroot must be updated') % distribution)
def parse_distribution_options(self):
conf = {'components': ('[^#]?COMPONENTS="?(.*[^"])"?\n', 'COMPONENTS'),
'debootstrap': ('[^#]?DEBOOTSTRAP="?(.*[^"])"?\n',
'DEBOOTSTRAP'),
'distribution': ('[^#]?DISTRIBUTION="?(.*[^"])"?\n',
'DISTRIBUTION'),
'mirror': ('[^#]?MIRRORSITE="?(.*[^"])"?\n', 'MIRRORSITE'),
'origin': ('[^#]?MIRRORSITE="?(.*[^"])"?\n', 'MIRRORSITE'),
'ocomponents': ('[^#]?COMPONENTS="?(.*[^"])"?\n',
'COMPONENTS')}
if self.full:
try:
with open(self.packagepath, 'r') as fd:
data = fd.read()
except IOError:
error(_('Unable to open %s') % self.packagepath)
raise RuntimeError
try:
distro = findall('Distribution:\s+(\S+)', data)[0]
except IndexError:
error(_('Bad .changes file: %s') % self.packagepath)
raise RuntimeError
self.distribution = distro.lower()
self.map_distribution()
self.buildpath = os.path.join(self.packagedir, self.distribution)
self.configfile = os.path.join(self.opts.get('default', 'configdir'),
self.distribution)
try:
with open(self.configfile) as fd:
data = fd.read()
except IOError:
self.remove_files()
error(_('Unable to open %s') % self.configfile)
exit(2)
for elem in conf:
try:
if elem not in self.distopts or not self.distopts[elem]:
self.distopts[elem] = findall(conf[elem][0], data)[0]
except IndexError:
error(_('Please set %(parm)s in %s(conf)s') %
{'parm': conf[elem][0], 'conf': conf})
raise RuntimeError
if self.origin:
originconfig = os.path.join(self.opts.get('default', 'configdir'),
self.origin)
try:
with open(originconfig) as fd:
data = fd.read()
except IOError:
error(_('Unable to open %s') % originconfig)
exit(2)
for elem in ('origin', 'ocomponents'):
try:
self.distopts[elem] = findall(conf[elem][0], data)[0]
except IndexError:
error(_('Please set %(parm)s in %s(conf)s') %
{'parm': conf[elem][0], 'conf': conf})
raise RuntimeError
else:
self.origin = self.distribution
def prepare_pbuilder(self):
builder = self.opts.get('default', 'builder')
architecture = self.opts.get('default', 'architecture')
if architecture == 'system':
b_arch = check_output(['dpkg-architecture', '-qDEB_BUILD_ARCH'])
architecture = b_arch.strip().decode('utf-8')
debootstrap = self.opts.get('default', 'debootstrap')
mod = Module((self.opts, self.rtopts, self.conffile))
debug(_('Pre-chroot maintenance hooks launched'))
mod.execute_hook('pre_chroot', {'cfg': self.configfile,
'directory': self.buildpath,
'opts': self.opts,
'distribution': self.distribution,
'architecture': architecture,
'cmd': self.cmd})
debug(_('Pre-chroot maintenance hooks finished'))
for d in ('aptcache', 'build', 'logs', 'pool'):
if not os.path.exists(os.path.join(self.buildpath, d)):
os.mkdir(os.path.join(self.buildpath, d))
if builder == 'cowbuilder':
base = '--basepath'
else:
base = '--basetgz'
with open(os.devnull, 'w') as fd:
params = {'cfg': self.configfile,
'directory': self.buildpath,
'opts': self.opts,
'distribution': self.distribution,
'architecture': architecture,
'cmd': self.cmd,
'success': True}
try:
debug(_('Launching %(builder)s %(cmd)s')
% {'builder': builder, 'cmd': self.cmd})
if call([builder, '--%s' % self.cmd, '--override-config',
base, '%s/%s' % (self.buildpath, self.distribution),
'--buildplace', '%s/build' % self.buildpath,
'--aptcache', '%s/aptcache' % self.buildpath,
'--autocleanaptcache',
'--architecture', architecture,
'--logfile', '%s/logs/%s.%s' %
(self.buildpath, self.cmd, strftime('%Y%m%d_%H%M%S')),
'--configfile', '%s' % self.configfile,
'--debootstrap', debootstrap],
stdout=fd, stderr=fd):
error(_('%(builder)s %(cmd)s failed') %
{'builder': builder, 'cmd': self.cmd})
debug(_('Post-chroot maintenance hooks launched'))
params['success'] = False
mod.execute_hook('post_chroot', params)
debug(_('Post-chroot maintenance hooks finished'))
raise RuntimeError
except OSError:
error(_('Unable to launch %s') % builder)
debug(_('Post-chroot maintenance hooks launched'))
params['success'] = False
mod.execute_hook('post_chroot', params)
debug(_('Post-chroot maintenance hooks finished'))
raise RuntimeError
debug(_('Post-chroot maintenance hooks launched'))
mod.execute_hook('post_chroot', params)
debug(_('Post-chroot maintenance hooks finished'))
def remove_files(self):
for pkgfile in self.files:
if os.path.exists(pkgfile):
os.remove(pkgfile)
debug(_('File %s removed') % pkgfile)
def runtime_option(self, option):
self.rtopts.read(self.conffile)
if self.rtopts.has_option('runtime', option):
return self.rtopts.get('runtime', option).split()
else:
return ()
def setup_pbuilder(self):
if not os.path.exists(os.path.join(self.buildpath)):
os.mkdir(os.path.join(self.buildpath))
self.needs_update()
if self.cmd:
self.prepare_pbuilder()
gpgfile = os.path.join(self.buildpath, 'gpg',
self.distopts['distribution'])
uri = '%s/dists/%s/Release.gpg' % (self.distopts['mirror'],
self.distopts['distribution'])
try:
remote = urlopen(uri).read()
except (HTTPError, URLError):
error(_('Unable to fetch %s') % uri)
raise RuntimeError
with open(gpgfile, 'wb') as fd:
fd.write(remote)
class FullBuild(Build):
def run(self):
self.full = True
self.packagepath = os.path.join(self.packagedir, self.package)
self.files.add(self.packagepath)
debug(_('File %s added') % self.packagepath)
info(_('Processing %s') % self.package)
try:
with open(self.packagepath, 'r') as fd:
data = fd.read()
except IOError:
error(_('Unable to open %s') % self.packagepath)
raise RuntimeError
try:
for entry in findall('\s\w{32}\s\d+\s\S+\s\S+\s(.*)', data):
entry = os.path.join(self.packagedir, entry)
self.files.add(entry)
debug(_('File %s added') % entry)
except IndexError:
error(_('Bad .changes file: %s') % self.packagepath)
raise RuntimeError
try:
with GPG(self.opts, self.packagepath) as gpg:
try:
self.uploader = gpg.check()
self.build()
except RuntimeError:
self.remove_files()
error(gpg.error())
raise RuntimeError
except IOError:
pass
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