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- #!/usr/bin/python
-
-
- #nice apt-get -s -o Debug::NoLocking=true upgrade | grep ^Inst
-
- import apt_pkg
- import os
- import sys
- from optparse import OptionParser
- from gettext import gettext as _
- import gettext
- SYNAPTIC_PINFILE = "/var/lib/synaptic/preferences"
-
- def clean(cache,depcache):
- # mvo: looping is too inefficient with the new auto-mark code
- #for pkg in cache.Packages:
- # depcache.MarkKeep(pkg)
- depcache.Init()
-
- def saveDistUpgrade(cache,depcache):
- """ this functions mimics a upgrade but will never remove anything """
- depcache.Upgrade(True)
- if depcache.DelCount > 0:
- clean(cache,depcache)
- depcache.Upgrade()
-
- def _handleException(type, value, tb):
- sys.stderr.write("E: "+ "Unkown Error: '%s' (%s)" % (type,value))
- sys.exit(-1)
-
-
- # -------------------- main ---------------------
-
- # be nice
- os.nice(19)
-
- # setup a exception handler to make sure that uncaught stuff goes
- # to the notifier
- sys.excepthook = _handleException
-
- # gettext
- APP="update-notifier"
- DIR="/usr/share/locale"
- gettext.bindtextdomain(APP, DIR)
- gettext.textdomain(APP)
-
- # check arguments
- parser = OptionParser()
- parser.add_option("-s",
- "--security-only",
- action="store_true",
- dest="security_only",
- help="show only security updates")
- parser.add_option("-p",
- "--package-names",
- action="store_true",
- dest="show_package_names",
- help="show the packages that are going to be installed/upgraded")
- (options, args) = parser.parse_args()
- #print options.security_only
-
- # init
- apt_pkg.init()
-
- # get caches
- try:
- cache = apt_pkg.GetCache()
- except SystemError, e:
- sys.stderr.write("E: "+ _("Error: Opening the cache (%s)") % e)
- sys.exit(-1)
- depcache = apt_pkg.GetDepCache(cache)
-
- # read the pin files
- depcache.ReadPinFile()
- # read the synaptic pins too
- if os.path.exists(SYNAPTIC_PINFILE):
- depcache.ReadPinFile(SYNAPTIC_PINFILE)
-
- # init the depcache
- depcache.Init()
-
- if depcache.BrokenCount > 0:
- sys.stderr.write("E: "+ _("Error: BrokenCount > 0"))
- sys.exit(-1)
-
- # do the upgrade (not dist-upgrade!)
- try:
- saveDistUpgrade(cache,depcache)
- except SystemError, e:
- sys.stderr.write("E: "+ _("Error: Marking the upgrade (%s)") % e)
- sys.exit(-1)
-
- # check for upgrade packages, we need to do it this way
- # because of ubuntu #7907
- upgrades = 0
- security_updates = 0
- for pkg in cache.Packages:
- if depcache.MarkedInstall(pkg) or depcache.MarkedUpgrade(pkg):
- # check if this is really a upgrade or a false positive
- # (workaround for ubuntu #7907)
- if depcache.GetCandidateVer(pkg) != pkg.CurrentVer:
- upgrades = upgrades + 1
- ver = depcache.GetCandidateVer(pkg)
- for (file, index) in ver.FileList:
- if file.Archive == "hoary-security":
- security_updates += 1
-
- # print the number of upgrades
- if options.show_package_names:
- pkgs = filter(lambda pkg: depcache.MarkedInstall(pkg) or depcache.MarkedUpgrade(pkg), cache.Packages)
- sys.stderr.write("\n".join(map(lambda p: p.Name, pkgs)))
- elif options.security_only:
- sys.stderr.write("%s" % security_updates)
- else:
- sys.stderr.write("%s" % upgrades)
-
-
-
- sys.exit(0)
-