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# UpdateList.py
#
# Copyright (c) 2004-2008 Canonical
#
# Author: Michael Vogt <mvo@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; 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
import warnings
warnings.filterwarnings("ignore", "Accessed deprecated property", DeprecationWarning)
from gettext import gettext as _
import os
import sys
class UpdateOrigin(object):
def __init__(self, desc, importance):
self.packages = []
self.importance = importance
self.description = desc
class UpdateList(object):
"""
class that contains the list of available updates in
self.pkgs[origin] where origin is the user readable string
"""
def __init__(self, parent):
# a map of packages under their origin
try:
pipe = os.popen("lsb_release -c -s")
dist = pipe.read().strip()
del pipe
except Exception, e:
print "Error in lsb_release: %s" % e
parent.error(_("Failed to detect distribution"),
_("A error '%s' occurred while checking what system "
"you are using.") % e)
sys.exit(1)
self.distUpgradeWouldDelete = 0
self.pkgs = {}
self.num_updates = 0
self.matcher = self.initMatcher(dist)
def initMatcher(self, dist):
# (origin, archive, description, importance)
matcher_templates = [
("%s-security" % dist, "Ubuntu", _("Important security updates"),10),
("%s-updates" % dist, "Ubuntu", _("Recommended updates"), 9),
("%s-proposed" % dist, "Ubuntu", _("Proposed updates"), 8),
("%s-backports" % dist, "Ubuntu", _("Backports"), 7),
(dist, "Ubuntu", _("Distribution updates"), 6)
]
matcher = {}
for (origin, archive, desc, importance) in matcher_templates:
matcher[(origin, archive)] = UpdateOrigin(desc, importance)
matcher[(None,None)] = UpdateOrigin(_("Other updates"), -1)
return matcher
def update(self, cache):
self.held_back = []
# do the upgrade
self.distUpgradeWouldDelete = cache.saveDistUpgrade()
#dselect_upgrade_origin = UpdateOrigin(_("Previous selected"), 1)
# sort by origin
for pkg in cache:
if pkg.is_upgradable or pkg.marked_install:
if pkg.candidateOrigin == None:
# can happen for e.g. locked packages
# FIXME: do something more sensible here (but what?)
print "WARNING: upgradable but no canidateOrigin?!?: ", pkg.name
continue
# check where the package belongs
origin_node = cache.matchPackageOrigin(pkg, self.matcher)
if not self.pkgs.has_key(origin_node):
self.pkgs[origin_node] = []
self.pkgs[origin_node].append(pkg)
self.num_updates = self.num_updates + 1
if pkg.is_upgradable and not (pkg.marked_upgrade or pkg.marked_install):
self.held_back.append(pkg.name)
for l in self.pkgs.keys():
self.pkgs[l].sort(lambda x,y: cmp(x.name,y.name))
self.keepcount = cache._depcache.keep_count
