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#!/usr/bin/python
# Parse removals.txt file
# Copyright (C) 2004, 2005, 2009, 2010, 2011, 2012 Canonical Ltd.
# Authors: James Troup <james.troup@canonical.com>,
# Colin Watson <cjwatson@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; either version 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
############################################################################
# What kind of genius logs 3.5 years of removal data in
# semi-human-parseable text and nothing else? Hmm. That would be me. :(
# MAAAAAAAAAAAAAADNESSSSSSSSSSSSSSSSS
############################################################################
from __future__ import print_function
import copy
import optparse
import os
import time
try:
from urllib.request import urlopen, urlretrieve
except ImportError:
from urllib import urlretrieve
from urllib2 import urlopen
import re
import logging
import gzip
import datetime
import subprocess
import apt_pkg
from launchpadlib.launchpad import Launchpad
from ubuntutools.question import YesNoQuestion
import lputils
CONSUMER_KEY = "process-removals"
Debian = None
def parse_removals_file(options, removals_file):
if options.report_ubuntu_delta and options.no_action:
me = None
else:
me = options.launchpad.me.name
state = "first separator"
removal = {}
for line in removals_file:
line = line.strip()
if line == ("=" * 73):
if state == "done":
state = "next separator"
elif state in ("first separator", "next separator"):
state = "date"
else:
raise RuntimeError("found separator but state is %s." % state)
# NB: The 'Reason' is an abbreviation, check any referenced bugs for
# more
elif state == "next separator" and line.startswith("NB:"):
state = "first separator"
# [Date: Tue, 9 Jan 2001 20:46:15 -0500] [ftpmaster: James Troup]
elif state in ("date", "next separator"):
try:
(date, ftpmaster, unused) = line.split("]")
state = "removed from"
removal["ftpmaster"] = ftpmaster.replace("[ftpmaster: ", "")
except:
date = line
state = "broken date"
date = date.replace("[Date: ", "")
# Strip the timezone which python's strptime() can't handle
# [rock on]
date = ' '.join(date.split()[:-1])
removal["date"] = time.mktime(time.strptime(
date, "%a, %d %b %Y %H:%M:%S"))
# ] [ftpmaster:
elif state == "broken date":
(unused1, ftpmaster, unused2) = line.split("]")
removal["ftpmaster"] = ftpmaster.replace("] [ftpmaster: ", "")
state = "removed from"
# Removed the following packages from unstable:
elif state == "removed from":
prefix = "Removed the following packages from "
if not line.startswith(prefix):
raise RuntimeError(
"state = %s, expected '%s', got '%s'" %
(state, prefix, line))
line = line.replace(prefix, "")[:-1]
line = line.replace(" and", "")
line = line.replace(",", "")
removal["suites"] = line.split()
state = "before packages"
elif state == "before packages" or state == "after packages":
if line:
raise RuntimeError(
"state = %s, expected '', got '%s'" % (state, line))
if state == "before packages":
state = "packages"
elif state == "after packages":
state = "reason prefix"
# xroach | 4.0-8 | source, alpha, arm, hppa, i386, ia64, m68k, \
# mips, mipsel, powerpc, s390, sparc
# Closed bugs: 158188
elif state == "packages":
if line.find("|") != -1:
package, version, architectures = [
word.strip() for word in line.split("|")]
architectures = [
arch.strip() for arch in architectures.split(",")]
removal.setdefault("packages", [])
removal["packages"].append([package, version, architectures])
elif line.startswith("Closed bugs: "):
line = line.replace("Closed bugs: ", "")
removal["closed bugs"] = line.split()
state = "after packages"
elif not line:
state = "reason prefix"
else:
raise RuntimeError(
"state = %s, expected package list or 'Closed bugs:', "
"got '%s'" % (state, line))
# ------------------- Reason -------------------
elif state == "reason prefix":
expected = "------------------- Reason -------------------"
if not line == expected:
raise RuntimeError(
"state = %s, expected '%s', got '%s'" %
(state, expected, line))
state = "reason"
# RoSRM; license problems.
# ----------------------------------------------
elif state == "reason":
if line == "----------------------------------------------":
state = "done"
do_removal(me, options, removal)
removal = {}
else:
removal.setdefault("reason", "")
removal["reason"] += "%s\n" % line
# nothing should go here
def show_reverse_depends(options, package):
"""Show reverse dependencies.
This is mostly done by calling reverse-depends, but with some tweaks to
make the output easier to read in context.
"""
series_name = options.series.name
commands = (
["reverse-depends", "-r", series_name, "src:%s" % package],
["reverse-depends", "-r", series_name, "-b", "src:%s" % package],
)
for command in commands:
subp = subprocess.Popen(command, stdout=subprocess.PIPE)
line = None
for line in subp.communicate()[0].splitlines():
line = line.rstrip("\n")
if line == "No reverse dependencies found":
line = None
else:
print(line)
if line:
print()
non_meta_re = re.compile(r'^[a-zA-Z0-9+,./:=@_-]+$')
def shell_escape(arg):
if non_meta_re.match(arg):
return arg
else:
return "'%s'" % arg.replace("'", "'\\''")
seen_sources = set()
def do_removal(me, options, removal):
if options.removed_from and options.removed_from not in removal["suites"]:
return
if options.date and int(options.date) > int(removal["date"]):
return
if options.architecture:
for architecture in re.split(r'[, ]+', options.architecture):
package_list = copy.copy(removal["packages"])
for entry in package_list:
(package, version, architectures) = entry
if architecture not in architectures:
removal["packages"].remove(entry)
if not removal["packages"]:
return
for entry in removal.get("packages", []):
(package, version, architectures) = entry
if options.source and options.source != package:
continue
if package in seen_sources:
continue
seen_sources.add(package)
if package in Debian and not (options.force and options.source):
logging.info("%s (%s): back in sid - skipping.", package, version)
continue
spphs = []
for pocket in ("Release", "Proposed"):
options.pocket = pocket
if pocket == "Release":
options.suite = options.series.name
else:
options.suite = "%s-proposed" % options.series.name
try:
spphs.append(
lputils.find_latest_published_source(options, package))
except lputils.PackageMissing:
pass
if not spphs:
logging.debug("%s (%s): not found", package, version)
continue
if options.report_ubuntu_delta:
if 'ubuntu' in version:
print("%s %s" % (package, version))
continue
if options.no_action:
continue
for spph in spphs:
logging.info(
"%s (%s/%s)", package, version, spph.source_package_version)
removal["reason"] = removal["reason"].rstrip('.\n')
try:
bugs = ';' + ','.join(
[" Debian bug #%s" % item for item in removal["closed bugs"]])
except KeyError:
bugs = ''
reason = "(From Debian) " + removal["reason"] + bugs
subprocess.call(['seeded-in-ubuntu', package])
show_reverse_depends(options, package)
for spph in spphs:
if options.no_action:
print("remove-package -s %s%s -e %s -m %s %s" % (
options.series.name,
"-proposed" if spph.pocket == "Proposed" else "",
spph.source_package_version, shell_escape(reason),
package))
else:
print("Removing packages:")
print("\t%s" % spph.display_name)
for binary in spph.getPublishedBinaries():
print("\t\t%s" % binary.display_name)
print("Comment: %s" % reason)
if YesNoQuestion().ask("Remove", "no") == "yes":
spph.requestDeletion(removal_comment=reason)
def fetch_removals_file(options):
removals = "removals-full.txt"
if options.date:
thisyear = datetime.datetime.today().year
if options.date >= time.mktime(time.strptime(str(thisyear), "%Y")):
removals = "removals.txt"
logging.debug("Fetching %s" % removals)
return urlopen("http://ftp-master.debian.org/%s" % removals)
def read_sources():
global Debian
Debian = {}
base = "http://ftp.debian.org/debian"
logging.debug("Reading Debian sources")
for component in "main", "contrib", "non-free":
filename = "Debian_unstable_%s_Sources" % component
if not os.path.exists(filename):
url = "%s/dists/unstable/%s/source/Sources.gz" % (base, component)
logging.info("Fetching %s" % url)
fetched, headers = urlretrieve(url)
out = open(filename, 'wb')
gzip_handle = gzip.GzipFile(fetched)
while True:
block = gzip_handle.read(65536)
if not block:
break
out.write(block)
out.close()
gzip_handle.close()
sources_filehandle = open(filename)
Sources = apt_pkg.TagFile(sources_filehandle)
while Sources.step():
pkg = Sources.section.find("Package")
version = Sources.section.find("Version")
if (pkg in Debian and
apt_pkg.version_compare(Debian[pkg]["version"],
version) > 0):
continue
Debian[pkg] = {}
Debian[pkg]["version"] = version
sources_filehandle.close()
def parse_options():
parser = optparse.OptionParser()
parser.add_option("-l", "--launchpad", dest="launchpad_instance",
default="production")
parser.add_option("-a", "--architecture", metavar="ARCH",
help="remove from ARCH")
parser.add_option("-d", "--date", metavar="DATE",
help="only those removed since DATE")
parser.add_option("-r", "--removed-from", metavar="SUITE",
help="only those removed from SUITE (aka distroseries)")
parser.add_option("-s", "--source", metavar="NAME",
help="only source package NAME")
parser.add_option("--force", action="store_true", default=False,
help="force removal even for packages back in unstable "
"(only with -s)")
parser.add_option("-f", "--filename",
help="parse FILENAME")
parser.add_option("-n", "--no-action", action="store_true",
help="don't remove packages; just print remove-package "
"commands")
parser.add_option("-v", "--verbose", action="store_true",
help="emit verbose debugging messages")
parser.add_option("--report-ubuntu-delta", action="store_true",
help="skip and report packages with Ubuntu deltas")
options, args = parser.parse_args()
if len(args):
parser.error("no arguments expected")
if options.date:
try:
int(options.date)
except ValueError:
options.date = time.mktime(time.strptime(options.date, "%Y-%m-%d"))
else:
options.date = time.mktime(time.strptime("2009-02-01", "%Y-%m-%d"))
if not options.removed_from:
options.removed_from = "unstable"
if not options.architecture:
options.architecture = "source"
if options.verbose:
logging.basicConfig(level=logging.DEBUG)
else:
logging.basicConfig(level=logging.INFO)
return options, args
def main():
apt_pkg.init()
"""Initialization, including parsing of options."""
options, args = parse_options()
if options.report_ubuntu_delta and options.no_action:
options.launchpad = Launchpad.login_anonymously(
CONSUMER_KEY, options.launchpad_instance)
else:
options.launchpad = Launchpad.login_with(
CONSUMER_KEY, options.launchpad_instance)
options.distribution = options.launchpad.distributions["ubuntu"]
options.series = options.distribution.current_series
options.archive = options.distribution.main_archive
options.version = None
read_sources()
if options.filename:
removals_file = open(options.filename)
else:
removals_file = fetch_removals_file(options)
parse_removals_file(options, removals_file)
removals_file.close()
if __name__ == '__main__':
main()
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