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#!/usr/bin/python
# -*- coding: utf-8 -*-
#
# Copyright (C) 2008-2010 Martin Pitt <martin.pitt@canonical.com>
# 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 3.
#
# 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-3 for more details.
#
# ##################################################################
import debian.deb822
import debian.debian_support
import hashlib
import optparse
import os
import re
import shutil
import subprocess
import sys
import urllib
# ubuntu-dev-tools modules
from ubuntutools.requestsync.mail import getDebianSrcPkg as ubuntutools_requestsync_mail_getDebianSrcPkg
from ubuntutools.requestsync.lp import getDebianSrcPkg, getUbuntuSrcPkg
from ubuntutools.lp import udtexceptions
from ubuntutools.lp.lpapicache import Launchpad
class File(object):
def __init__(self, url, checksum, size):
self.url = url
self.name = os.path.basename(url)
self.checksum = checksum
self.size = size
def __repr__(self):
return self.name + " (" + self.checksum + " " + self.size + ") source " + \
str(bool(self.is_source_file()))
def __eq__(self, other):
return self.name == other.name and self.checksum == other.checksum and \
self.size == other.size
def get_name(self):
return self.name
def is_source_file(self):
return re.match(".*\.orig.*\.tar\..*", self.name)
def download(self, script_name=None, verbose=False):
'''Download file (by URL) to the current directory.
If the file is already present, this function does nothing.'''
file_exists = os.path.exists(self.name)
if file_exists:
# Check for correct checksum
m = hashlib.md5()
m.update(open(self.name).read())
file_exists = m.hexdigest() == self.checksum
if not file_exists:
if verbose:
print '%s: I: Downloading %s...' % (script_name, self.url)
try:
urllib.urlretrieve(self.url, self.name)
except IOError as e:
print >> sys.stderr, "%s: Error: Failed to download %s [Errno %i]: %s." % \
(script_name, self.name, e.errno, e.strerror)
sys.exit(1)
class Version(debian.debian_support.Version):
def strip_epoch(self):
'''Removes the epoch from a Debian version string.
strip_epoch(1:1.52-1) will return "1.52-1" and strip_epoch(1.1.3-1) will
return "1.1.3-1".'''
parts = self.full_version.split(':')
if len(parts) > 1:
del parts[0]
version_without_epoch = ':'.join(parts)
return version_without_epoch
def get_related_debian_version(self):
related_debian_version = self.full_version
uidx = related_debian_version.find('ubuntu')
if uidx > 0:
related_debian_version = related_debian_version[:uidx]
uidx = related_debian_version.find('build')
if uidx > 0:
related_debian_version = related_debian_version[:uidx]
return Version(related_debian_version)
def is_modified_in_ubuntu(self):
return self.full_version.find('ubuntu') > 0
def print_command(script_name, cmd):
for i in xrange(len(cmd)):
if cmd[i].find(" ") >= 0:
cmd[i] = '"' + cmd[i] + '"'
print "%s: I: %s" % (script_name, " ".join(cmd))
def remove_signature(dscname, script_name=None, verbose=False):
'''Removes the signature from a .dsc file if the .dsc file is signed.'''
f = open(dscname)
if f.readline().strip() == "-----BEGIN PGP SIGNED MESSAGE-----":
unsigned_file = []
# search until begin of body found
for l in f:
if l.strip() == "":
break
# search for end of body
for l in f:
if l.strip() == "":
break
unsigned_file.append(l)
f.close()
f = open(dscname, "w")
f.writelines(unsigned_file)
f.close()
def dsc_getfiles(dscurl):
'''Return list of files in a .dsc file (excluding the .dsc file itself).'''
basepath = os.path.dirname(dscurl)
dsc = debian.deb822.Dsc(urllib.urlopen(dscurl))
if 'Files' not in dsc:
print >> sys.stderr, "%s: Error: No Files field found in the dsc file. Please check %s!" % \
(script_name, os.path.basename(dscurl))
sys.exit(1)
files = []
for f in dsc['Files']:
url = os.path.join(basepath, f['name'])
if not f['name'].endswith('.dsc'):
files.append(File(url, f['md5sum'], f['size']))
return files
def add_fixed_bugs(changes, bugs, script_name=None, verbose=False):
'''Add additional Launchpad bugs to the list of fixed bugs in changes file.'''
changes = filter(lambda l: l.strip() != "", changes.split("\n"))
# Remove duplicates
bugs = set(bugs)
for i in xrange(len(changes)):
if changes[i].startswith("Launchpad-Bugs-Fixed:"):
bugs.update(changes[i][22:].strip().split(" "))
changes[i] = "Launchpad-Bugs-Fixed: %s" % (" ".join(bugs))
break
elif i == len(changes) - 1:
# Launchpad-Bugs-Fixed entry does not exist in changes file
line = "Launchpad-Bugs-Fixed: %s" % (" ".join(bugs))
changes.append(line)
return "\n".join(changes + [""])
def sync_dsc(script_name, dscurl, debian_dist, release, name, email, bugs, keyid=None, verbose=False):
assert dscurl.endswith(".dsc")
dscname = os.path.basename(dscurl)
basepath = os.path.dirname(dscurl)
(srcpkg, new_ver) = dscname.split('_')
uploader = name + " <" + email + ">"
if os.path.exists(os.path.join(basepath, dscname)):
dscfile = dscurl
else:
try:
urllib.urlretrieve(dscurl, dscname)
except IOError as e:
print >> sys.stderr, "%s: Error: Failed to download %s [Errno %i]: %s." % \
(script_name, dscname, e.errno, e.strerror)
sys.exit(1)
dscfile = debian.deb822.Dsc(file(dscname))
if "Version" not in dscfile:
print >> sys.stderr, "%s: Error: No Version field found in the dsc file. Please check %s!" % \
(script_name, dscname)
sys.exit(1)
new_ver = Version(dscfile["Version"])
try:
ubuntu_source = getUbuntuSrcPkg(srcpkg, release)
ubuntu_ver = Version(ubuntu_source.getVersion())
ubuntu_dsc = filter(lambda f: f.endswith(".dsc"), ubuntu_source.sourceFileUrls())
assert len(ubuntu_dsc) == 1
ubuntu_dsc = ubuntu_dsc[0]
except udtexceptions.PackageNotFoundException:
ubuntu_ver = Version('~')
ubuntu_dsc = None
# No need to continue if version is not greater than current one
if new_ver <= ubuntu_ver:
raise Exception('%s version %s is not greater than already available %s' % \
(srcpkg, new_ver, ubuntu_ver))
if verbose:
print '%s: D: Source %s: current version %s, new version %s' % \
(script_name, srcpkg, ubuntu_ver, new_ver)
files = dsc_getfiles(dscurl)
source_files = filter(lambda f: f.is_source_file(), files)
if verbose:
print '%s: D: Files: %s' % (script_name, str(map(lambda x: x.get_name(), files)))
print '%s: D: Source files: %s' % (script_name, str(map(lambda x: x.get_name(), source_files)))
map(lambda f: f.download(verbose), files)
if ubuntu_dsc is None:
ubuntu_files = None
else:
ubuntu_files = dsc_getfiles(ubuntu_dsc)
# do we need the orig.tar.gz?
need_orig = True
fakesync_files = []
if ubuntu_ver.upstream_version == new_ver.upstream_version:
# We need to check if all .orig*.tar.* tarballs exist in Ubuntu
need_orig = False
for source_file in source_files:
ubuntu_file = filter(lambda f: f.get_name() == source_file.get_name(), ubuntu_files)
if len(ubuntu_file) == 0:
# The source file does not exist in Ubuntu
if verbose:
print "%s: I: %s does not exist in Ubuntu." % \
(script_name, source_file.get_name())
need_orig = True
elif not ubuntu_file[0] == source_file:
# The checksum of the files mismatch -> We need a fake sync
print "%s: Warning: The checksum of the file %s mismatch. A fake sync is required." % \
(script_name, source_file.get_name())
fakesync_files.append(ubuntu_file[0])
if verbose:
print "%s: D: Ubuntu version: %s" % (script_name, ubuntu_file[0])
print "%s: D: Debian version: %s" % (script_name, source_file)
if verbose:
print '%s: D: needs source tarball: %s' % (script_name, str(need_orig))
cur_ver = ubuntu_ver.get_related_debian_version()
if ubuntu_ver.is_modified_in_ubuntu():
print '%s: Warning: Overwriting modified Ubuntu version %s, setting current version to %s' % \
(script_name, ubuntu_ver.full_version, cur_ver.full_version)
# extract package
cmd = ['dpkg-source', '-x', dscname]
if not verbose:
cmd.insert(1, "-q")
if verbose:
print_command(script_name, cmd)
subprocess.check_call(cmd)
# Do a fake sync if required
if len(fakesync_files) > 0:
# Download Ubuntu files (override Debian source tarballs)
map(lambda f: f.download(verbose), fakesync_files)
# change into package directory
directory = srcpkg + '-' + new_ver.upstream_version
if verbose:
print_command(script_name, ["cd", directory])
os.chdir(directory)
# read Debian distribution from debian/changelog if not specified
if debian_dist is None:
line = open("debian/changelog").readline()
debian_dist = line.split(" ")[2].strip(";")
if len(fakesync_files) == 0:
# create the changes file
changes_file = "%s_%s_source.changes" % (srcpkg, new_ver.strip_epoch())
cmd = ["dpkg-genchanges", "-S", "-v" + cur_ver.full_version,
"-DDistribution=" + release,
"-DOrigin=debian/" + debian_dist,
"-e" + uploader]
if need_orig:
cmd.append("-sa")
else:
cmd.append("-sd")
if not verbose:
cmd += ["-q"]
if verbose:
print_command(script_name, cmd + [">", "../" + changes_file])
changes = subprocess.Popen(cmd, stdout=subprocess.PIPE,
env={"DEB_VENDOR": "Ubuntu"}).communicate()[0]
# Add additional bug numbers
if len(bugs) > 0:
changes = add_fixed_bugs(changes, bugs, verbose)
# remove extracted (temporary) files
if verbose:
print_command(script_name, ["cd", ".."])
os.chdir('..')
shutil.rmtree(directory, True)
# write changes file
f = open(changes_file, "w")
f.writelines(changes)
f.close()
# remove signature and sign package
remove_signature(dscname)
cmd = ["debsign", changes_file]
if not keyid is None:
cmd.insert(1, "-k" + keyid)
if verbose:
print_command(script_name, cmd)
subprocess.check_call(cmd)
else:
# Create fakesync changelog entry
new_ver = Version(new_ver.full_version + "fakesync1")
changes_file = "%s_%s_source.changes" % (srcpkg, new_ver.strip_epoch())
if len(bugs) > 0:
message = "Fake sync due to mismatching orig tarball (LP: %s)." % \
(", ".join(map(lambda b: "#" + str(b), bugs)))
else:
message = "Fake sync due to mismatching orig tarball."
cmd = ["dch", "-v", new_ver.full_version, "-D", release, message]
env = {"DEBFULLNAME": name, "DEBEMAIL": email}
if verbose:
print_command(script_name, cmd)
subprocess.check_call(cmd, env=env)
# update the Maintainer field
cmd = ["update-maintainer"]
if not verbose:
cmd.append("-q")
if verbose:
print_command(script_name, cmd)
subprocess.check_call(cmd)
# Build source package
cmd = ["debuild", "--no-lintian", "-S", "-v" + cur_ver.full_version]
if need_orig:
cmd += ['-sa']
if not keyid is None:
cmd += ["-k" + keyid]
if verbose:
print_command(script_name, cmd)
subprocess.check_call(cmd)
def get_debian_dscurl(package, dist, release, version=None, component=None):
if dist is None:
dist="unstable"
if type(version) == str:
version = Version(version)
if version is None or component is None:
debian_srcpkg = getDebianSrcPkg(package, dist)
try:
ubuntu_version = Version(getUbuntuSrcPkg(package, release).getVersion())
except udtexceptions.PackageNotFoundException:
ubuntu_version = Version('~')
if ubuntu_version >= Version(debian_srcpkg.getVersion()):
# The LP importer is maybe out of date
debian_srcpkg = ubuntutools_requestsync_mail_getDebianSrcPkg(package, dist)
if version is None:
version = Version(debian_srcpkg.getVersion())
if component is None:
component = debian_srcpkg.getComponent()
assert component in ("main", "contrib", "non-free")
if package.startswith("lib"):
group = package[0:4]
else:
group = package[0]
dsc_file = package + "_" + version.strip_epoch() + ".dsc"
dscurl = os.path.join("http://ftp.debian.org/debian/pool", component, group, package, dsc_file)
return dscurl
if __name__ == "__main__":
script_name = os.path.basename(sys.argv[0])
usage = "%s [options] <.dsc URL/path or package name>" % (script_name)
epilog = "See %s(1) for more info." % (script_name)
parser = optparse.OptionParser(usage=usage, epilog=epilog)
parser.add_option("-d", "--distribution", type = "string",
dest = "dist", default = None,
help = "Debian distribution to sync from.")
parser.add_option("-r", "--release",
help="Specify target Ubuntu release.", dest="release", default=None)
parser.add_option("-V", "--debian-version",
help="Specify the version to sync from.", dest="debversion", default=None)
parser.add_option("-c", "--component",
help="Specify the Debian component to sync from.", dest="component", default=None)
parser.add_option("-v", "--verbose", help="print more information",
dest="verbose", action="store_true", default=False)
parser.add_option("-n", "--uploader-name", dest="uploader_name",
help="Use UPLOADER_NAME as the name of the maintainer "
"for this upload instead of evaluating DEBFULLNAME.",
default = os.environ["DEBFULLNAME"])
parser.add_option("-e", "--uploader-email", dest="uploader_email",
help="Use UPLOADER_EMAIL as email address of the maintainer "
"for this upload instead of evaluating DEBEMAIL.",
default = os.environ["DEBEMAIL"])
parser.add_option("-k", "--key", dest="keyid",
help="Specify the key ID to be used for signing.", default=None)
parser.add_option("-b", "--bug", metavar="BUG",
help="Mark a Launchpad bug as being fixed by this upload",
dest="bugs", action="append", default=list())
(options, args) = parser.parse_args()
if len(args) == 0:
print >> sys.stderr, "%s: Error: No .dsc URL/path or package name specified." % \
(script_name)
sys.exit(1)
elif len(args) > 1:
print >> sys.stderr, "%s: Error: Multiple .dsc URLs/paths or package names specified: %s" % \
(script_name, ", ".join(args))
sys.exit(1)
invalid_bug_numbers = filter(lambda x: not x.isdigit(), options.bugs)
if len(invalid_bug_numbers) > 0:
print >> sys.stderr, "%s: Error: Invalid bug number(s) specified: %s" % \
(script_name, ", ".join(invalid_bug_numbers))
sys.exit(1)
Launchpad.login_anonymously()
if options.release is None:
options.release = Launchpad.distributions["ubuntu"].current_series.name
if args[0].endswith(".dsc"):
dscurl = args[0]
else:
if options.component not in (None, "main", "contrib", "non-free"):
print >> sys.stderr, "%s: Error: %s is not a valid Debian component." \
" It should be one of main, contrib, or non-free." % \
(script_name, options.component)
sys.exit(1)
dscurl = get_debian_dscurl(args[0], options.dist, options.release,
options.debversion, options.component)
if options.verbose:
print "%s: D: .dsc url: %s" % (script_name, dscurl)
sync_dsc(script_name, dscurl, options.dist, options.release, options.uploader_name,
options.uploader_email, options.bugs, options.keyid, options.verbose)
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