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#!/usr/bin/python3
import sys
import optparse
import os
import shutil
import tempfile
from urllib.request import urlopen
from urllib.error import HTTPError
from debian_linux.abi import Symbols
from debian_linux.config import ConfigCoreDump
from debian_linux.debian import Changelog, VersionLinux
default_url_base = "https://deb.debian.org/debian/"
default_url_base_incoming = "https://incoming.debian.org/debian-buildd/"
default_url_base_ports = "https://deb.debian.org/debian-ports/"
default_url_base_ports_incoming = "https://incoming.ports.debian.org/"
default_url_base_security = "https://deb.debian.org/debian-security/"
class url_debian_flat(object):
def __init__(self, base):
self.base = base
def __call__(self, source, filename, arch):
return self.base + filename
class url_debian_pool(object):
def __init__(self, base):
self.base = base
def __call__(self, source, filename, arch):
return (self.base + "pool/main/" + source[0] + "/" + source + "/"
+ filename)
class url_debian_ports_pool(url_debian_pool):
def __call__(self, source, filename, arch):
if arch == 'all':
return url_debian_pool.__call__(self, source, filename, arch)
return (self.base + "pool-" + arch + "/main/" + source[0] + "/"
+ source + "/" + filename)
class url_debian_security_pool(url_debian_pool):
def __call__(self, source, filename, arch):
return (self.base + "pool/updates/main/" + source[0] + "/" + source
+ "/" + filename)
class Main(object):
dir = None
def __init__(self, arch=None, featureset=None, flavour=None):
self.log = sys.stdout.write
self.override_arch = arch
self.override_featureset = featureset
self.override_flavour = flavour
changelog = Changelog(version=VersionLinux)
while changelog[0].distribution == 'UNRELEASED':
changelog.pop(0)
changelog = changelog[0]
self.source = changelog.source
self.version = changelog.version.linux_version
self.version_source = changelog.version.complete
if changelog.distribution.endswith('-security'):
self.urls = [url_base_security]
else:
self.urls = [url_base, url_base_ports,
url_base_incoming, url_base_ports_incoming]
self.config = ConfigCoreDump(fp=open("debian/config.defines.dump",
"rb"))
self.version_abi = self.config['version', ]['abiname']
def __call__(self):
self.dir = tempfile.mkdtemp(prefix='abiupdate')
try:
self.log("Retrieve config\n")
try:
config = self.get_config()
except HTTPError as e:
self.log("Failed to retrieve %s: %s\n" % (e.filename, e))
sys.exit(1)
if self.override_arch:
arches = [self.override_arch]
else:
arches = config[('base',)]['arches']
for arch in arches:
self.update_arch(config, arch)
finally:
shutil.rmtree(self.dir)
def extract_package(self, filename, base):
base_out = self.dir + "/" + base
os.mkdir(base_out)
os.system("dpkg-deb --extract %s %s" % (filename, base_out))
return base_out
def get_abi(self, arch, prefix):
try:
version_abi = (self.config[('version',)]['abiname_base'] + '-'
+ self.config['abi', arch]['abiname'])
except KeyError:
version_abi = self.version_abi
filename = ("linux-headers-%s-%s_%s_%s.deb" %
(version_abi, prefix, self.version_source, arch))
f = self.retrieve_package(filename, arch)
d = self.extract_package(f, "linux-headers-%s_%s" % (prefix, arch))
f1 = d + ("/usr/src/linux-headers-%s-%s/Module.symvers" %
(version_abi, prefix))
s = Symbols(open(f1))
shutil.rmtree(d)
return version_abi, s
def get_config(self):
# XXX We used to fetch the previous version of linux-support here,
# but until we authenticate downloads we should not do that as
# pickle.load allows running arbitrary code.
return self.config
def retrieve_package(self, filename, arch):
for i, url in enumerate(self.urls):
u = url(self.source, filename, arch)
filename_out = self.dir + "/" + filename
try:
f_in = urlopen(u)
except HTTPError:
if i == len(self.urls) - 1:
# No more URLs to try
raise
else:
continue
f_out = open(filename_out, 'wb')
while 1:
r = f_in.read()
if not r:
break
f_out.write(r)
return filename_out
def save_abi(self, version_abi, symbols, arch, featureset, flavour):
dir = "debian/abi/%s" % version_abi
if not os.path.exists(dir):
os.makedirs(dir)
out = "%s/%s_%s_%s" % (dir, arch, featureset, flavour)
symbols.write(open(out, 'w'))
def update_arch(self, config, arch):
if self.override_featureset:
featuresets = [self.override_featureset]
else:
featuresets = config[('base', arch)]['featuresets']
for featureset in featuresets:
self.update_featureset(config, arch, featureset)
def update_featureset(self, config, arch, featureset):
config_base = config.merge('base', arch, featureset)
if not config_base.get('enabled', True):
return
if self.override_flavour:
flavours = [self.override_flavour]
else:
flavours = config_base['flavours']
for flavour in flavours:
self.update_flavour(config, arch, featureset, flavour)
def update_flavour(self, config, arch, featureset, flavour):
self.log("Updating ABI for arch %s, featureset %s, flavour %s: " %
(arch, featureset, flavour))
try:
if featureset == 'none':
localversion = flavour
else:
localversion = featureset + '-' + flavour
version_abi, abi = self.get_abi(arch, localversion)
self.save_abi(version_abi, abi, arch, featureset, flavour)
self.log("Ok.\n")
except HTTPError as e:
self.log("Failed to retrieve %s: %s\n" % (e.filename, e))
except Exception:
self.log("FAILED!\n")
import traceback
traceback.print_exc(None, sys.stdout)
if __name__ == '__main__':
options = optparse.OptionParser()
options.add_option("-u", "--url-base", dest="url_base",
default=default_url_base)
options.add_option("--url-base-incoming", dest="url_base_incoming",
default=default_url_base_incoming)
options.add_option("--url-base-ports", dest="url_base_ports",
default=default_url_base_ports)
options.add_option("--url-base-ports-incoming",
dest="url_base_ports_incoming",
default=default_url_base_ports_incoming)
options.add_option("--url-base-security", dest="url_base_security",
default=default_url_base_security)
opts, args = options.parse_args()
kw = {}
if len(args) >= 1:
kw['arch'] = args[0]
if len(args) >= 2:
kw['featureset'] = args[1]
if len(args) >= 3:
kw['flavour'] = args[2]
url_base = url_debian_pool(opts.url_base)
url_base_incoming = url_debian_pool(opts.url_base_incoming)
url_base_ports = url_debian_ports_pool(opts.url_base_ports)
url_base_ports_incoming = url_debian_flat(opts.url_base_ports_incoming)
url_base_security = url_debian_security_pool(opts.url_base_security)
Main(**kw)()
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