# UpdateManager.py # # Copyright (c) 2004,2005 Canonical # 2004 Michiel Sikkes # 2005 Martin Willemoes Hansen # # Author: Michiel Sikkes # Michael Vogt # Martin Willemoes Hansen # # 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 pygtk pygtk.require('2.0') import gtk import gtk.gdk import gtk.glade import gobject import gnome import apt import apt_pkg import gettext import copy import string import sys import os import os.path import urllib2 import re import tempfile import gconf import pango import subprocess import pwd import time import thread import xml.sax.saxutils # dist-upgrade tool import tarfile from gettext import gettext as _ from Common.utils import * from Common.SimpleGladeApp import SimpleGladeApp import GtkProgress from MetaRelease import Dist, MetaRelease # FIXME: # - kill "all_changes" and move the changes into the "Update" class # list constants (LIST_INSTALL, LIST_CONTENTS, LIST_NAME, LIST_SHORTDESC, LIST_VERSION, LIST_LONG_DESCR, LIST_PKG) = range(7) # actions for "invoke_manager" (INSTALL, UPDATE) = range(2) SYNAPTIC_PINFILE = "/var/lib/synaptic/preferences" CHANGELOGS_URI="http://changelogs.ubuntu.com/changelogs/pool/%s/%s/%s/%s_%s/changelog" class MyCache(apt.Cache): def __init__(self, progress): apt.Cache.__init__(self, progress) self.all_changes = {} def clean(self): for pkg in self: pkg.markKeep() def saveDistUpgrade(self): """ this functions mimics a upgrade but will never remove anything """ self._depcache.Upgrade(True) if self._depcache.DelCount > 0: self.clean() assert self._depcache.BrokenCount == 0 and self._depcache.DelCount == 0 self._depcache.Upgrade() def get_changelog(self, name, lock): # don't touch the gui in this function, it needs to be thread-safe pkg = self[name] verstr = pkg.candidateVersion srcpkg = pkg.sourcePackageName # assume "main" section src_section = "main" # check if we have something else l = string.split(pkg.section,"/") if len(l) > 1: sec_section = l[0] # lib is handled special prefix = srcpkg[0] if srcpkg.startswith("lib"): prefix = "lib" + srcpkg[3] # stip epoch l = string.split(verstr,":") if len(l) > 1: verstr = l[1] try: uri = CHANGELOGS_URI % (src_section,prefix,srcpkg,srcpkg, verstr) #print "Trying: %s " % uri changelog = urllib2.urlopen(uri) #print changelog.read() # do only get the lines that are new alllines = "" regexp = "^%s \((.*)\)(.*)$" % (srcpkg) i=0 while True: line = changelog.readline() #print line if line == "": break match = re.match(regexp,line) if match: if apt_pkg.VersionCompare(match.group(1),pkg.installedVersion) <= 0: break # EOF (shouldn't really happen) alllines = alllines + line # only write if we where not canceld if lock.locked(): self.all_changes[name] = [alllines, srcpkg] except urllib2.HTTPError: if lock.locked(): self.all_changes[name] = [_("Changes not found, the server may not be updated yet."), srcpkg] except IOError: if lock.locked(): self.all_changes[name] = [_("Failed to download changes. Please check if there is an active internet connection."), srcpkg] if lock.locked(): lock.release() class UpdateList: def __init__(self, parent_window): self.pkgs = [] self.num_updates = 0 self.parent_window = parent_window def update(self, cache): held_back = [] broken = [] cache.saveDistUpgrade() for pkg in cache: if pkg.markedUpgrade or pkg.markedInstall: self.pkgs.append(pkg) self.num_updates = self.num_updates + 1 elif pkg.isUpgradable: #print "MarkedKeep: %s " % pkg.name held_back.append(pkg.name) self.pkgs.sort(lambda x,y: cmp(x.name,y.name)) if cache._depcache.BrokenCount > 0: # FIXME: show what packages are broken msg=("%s\n\n%s"%(_("Your system has broken packages!"), _("This means that some dependencies " "of the installed packages are not " "satisfied. Please use \"Synaptic\" " "or \"apt-get\" to fix the " "situation." ))) dialog = gtk.MessageDialog(self.parent_window, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,"") dialog.set_markup(msg) dialog.vbox.set_spacing(6) dialog.run() dialog.destroy() sys.exit(1) if cache._depcache.KeepCount > 0: #print "WARNING, keeping packages" msg=("%s\n\n%s"%(_("It is not possible to upgrade " "all packages."), _("This means that " "besides the actual upgrade of the " "packages some further action " "(such as installing or removing " "packages) " "is required. Please use Synaptic " "\"Smart Upgrade\" or " "\"apt-get dist-upgrade\" to fix " "the situation." ))) dialog = gtk.MessageDialog(self.parent_window, 0, gtk.MESSAGE_INFO, gtk.BUTTONS_OK,"") dialog.set_default_response(gtk.RESPONSE_OK) dialog.set_markup(msg) dialog.vbox.set_spacing(6) label = gtk.Label(_("The following packages are not upgraded: ")) label.set_alignment(0.0,0.5) dialog.set_border_width(6) label.show() dialog.vbox.pack_start(label) scroll = gtk.ScrolledWindow() scroll.set_size_request(-1,200) scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) text = gtk.TextView() text.set_editable(False) text.set_cursor_visible(False) buf = text.get_buffer() held_back.sort() buf.set_text("\n".join(held_back)) scroll.add(text) dialog.vbox.pack_start(scroll) scroll.show_all() dialog.run() dialog.destroy() class UpdateManager(SimpleGladeApp): def __init__(self, datadir): self.datadir = datadir SimpleGladeApp.__init__(self, datadir+"glade/UpdateManager.glade", None, domain="update-manager") self.gnome_program = gnome.init("update-manager", "0.41") self.packages = [] self.dl_size = 0 # create text view changes_buffer = self.textview_changes.get_buffer() changes_buffer.create_tag("versiontag", weight=pango.WEIGHT_BOLD) # expander self.expander_details.connect("notify::expanded", self.activate_details) # useful exit stuff self.window_main.connect("delete_event", lambda w, ev: self.exit()) self.button_cancel.connect("clicked", lambda w: self.exit()) # the treeview (move into it's own code!) self.store = gtk.ListStore(gobject.TYPE_BOOLEAN, str, str, str, str, str, gobject.TYPE_PYOBJECT) self.treeview_update.set_model(self.store) self.treeview_update.set_headers_clickable(True); tr = gtk.CellRendererText() tr.set_property("xpad", 10) tr.set_property("ypad", 10) cr = gtk.CellRendererToggle() cr.set_property("activatable", True) cr.set_property("xpad", 10) cr.connect("toggled", self.toggled) self.cb = gtk.TreeViewColumn("Install", cr, active=LIST_INSTALL) c0 = gtk.TreeViewColumn("Name", tr, markup=LIST_CONTENTS) c0.set_resizable(True) major,minor,patch = gtk.pygtk_version if (major >= 2) and (minor >= 5): self.cb.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED) self.cb.set_fixed_width(30) c0.set_sizing(gtk.TREE_VIEW_COLUMN_FIXED) c0.set_fixed_width(100) #self.treeview_update.set_fixed_height_mode(True) self.treeview_update.append_column(self.cb) self.cb.set_visible(False) self.treeview_update.append_column(c0) self.treeview_update.set_search_column(LIST_NAME) # proxy stuff # FIXME: move this into it's own function SYNAPTIC_CONF_FILE = "%s/.synaptic/synaptic.conf" % pwd.getpwuid(0)[5] if os.path.exists(SYNAPTIC_CONF_FILE): cnf = apt_pkg.newConfiguration() apt_pkg.ReadConfigFile(cnf, SYNAPTIC_CONF_FILE) use_proxy = cnf.FindB("Synaptic::useProxy", False) if use_proxy: proxy_host = cnf.Find("Synaptic::httpProxy") proxy_port = str(cnf.FindI("Synaptic::httpProxyPort")) if proxy_host and proxy_port: proxy_support = urllib2.ProxyHandler({"http":"http://%s:%s" % (proxy_host, proxy_port)}) opener = urllib2.build_opener(proxy_support) urllib2.install_opener(opener) self.gconfclient = gconf.client_get_default() # restore state self.restore_state() def set_changes_buffer(self, changes_buffer, text, name, srcpkg): changes_buffer.set_text("") lines = text.split("\n") if len(lines) == 1: changes_buffer.set_text(text) return for line in lines: end_iter = changes_buffer.get_end_iter() version_match = re.match("^%s \((.*)\)(.*)$" % (srcpkg), line) #bullet_match = re.match("^.*[\*-]", line) author_match = re.match("^.*--.*<.*@.*>.*$", line) if version_match: version = version_match.group(1) version_text = _("Version %s: \n") % version changes_buffer.insert_with_tags_by_name(end_iter, version_text, "versiontag") # mvo: disabled for now as it does not catch multi line entries # (see ubuntu #7034 for rational) #elif bullet_match and not author_match: # bullet_text = " " + line + "\n" # changes_buffer.insert(end_iter, bullet_text) elif (author_match): pass #chanages_buffer.insert(end_iter, "\n") else: changes_buffer.insert(end_iter, line+"\n") def on_treeview_update_cursor_changed(self, widget): tuple = widget.get_cursor() path = tuple[0] # check if we have a path at all if path == None: return model = widget.get_model() iter = model.get_iter(path) # set descr long_desc = model.get_value(iter, 5) if long_desc == None: return desc_buffer = self.textview_descr.get_buffer() desc_buffer.set_text(utf8(long_desc)) # now do the changelog name = model.get_value(iter, 2) if name == None: return changes_buffer = self.textview_changes.get_buffer() # check if we have the changes already if self.cache.all_changes.has_key(name): changes = self.cache.all_changes[name] self.set_changes_buffer(changes_buffer, changes[0], name, changes[1]) else: if self.expander_details.get_expanded(): self.treeview_update.set_sensitive(False) self.hbox_footer.set_sensitive(False) lock = thread.allocate_lock() lock.acquire() t=thread.start_new_thread(self.cache.get_changelog,(name,lock)) changes_buffer.set_text(_("Downloading changes...")) button = self.button_cancel_dl_changelog button.show() id = button.connect("clicked", lambda w,lock: lock.release(), lock) # wait for the dl-thread while lock.locked(): time.sleep(0.05) while gtk.events_pending(): gtk.main_iteration() # download finished (or canceld, or time-out) button.hide() button.disconnect(id); self.treeview_update.set_sensitive(True) self.hbox_footer.set_sensitive(True) if self.cache.all_changes.has_key(name): changes = self.cache.all_changes[name] self.set_changes_buffer(changes_buffer, changes[0], name, changes[1]) def remove_update(self, pkg): name = pkg.name if name in self.packages: self.packages.remove(name) self.dl_size -= pkg.packageSize if len(self.packages) == 0: self.button_install.set_sensitive(False) self.update_count() def add_update(self, pkg): name = pkg.name if name not in self.packages: self.packages.append(name) self.dl_size += pkg.packageSize if len(self.packages) > 0: self.button_install.set_sensitive(True) self.update_count() def update_count(self): text = _("Available updates\n\n" "The are currently %s software updates availabe. The " "size of the download is %s." % \ (len(self.packages), apt_pkg.SizeToStr(self.dl_size))) self.label_header.set_markup(text) def activate_details(self, expander, data): expanded = self.expander_details.get_expanded() if expanded: expander.set_label(_("Hide details")) else: expander.set_label(_("Show details")) self.gconfclient.set_bool("/apps/update-manager/show_details",expanded) if expanded: self.on_treeview_update_cursor_changed(self.treeview_update) def run_synaptic(self, id, action, lock): try: apt_pkg.PkgSystemUnLock() except SystemError: pass cmd = ["/usr/sbin/synaptic", "--hide-main-window", "--non-interactive", "--plug-progress-into", "%s" % (id) ] if action == INSTALL: cmd.append("--set-selections") cmd.append("--progress-str") cmd.append("%s" % _("The updates are being applied.")) cmd.append("--finish-str") cmd.append("%s" % _("Upgrade finished")) proc = subprocess.Popen(cmd, stdin=subprocess.PIPE) f = proc.stdin for s in self.packages: f.write("%s\tinstall\n" % s) f.close() proc.wait() elif action == UPDATE: cmd.append("--update-at-startup") subprocess.call(cmd) else: print "run_synaptic() called with unknown action" sys.exit(1) # use this once gksudo does propper reporting #if os.geteuid() != 0: # if os.system("gksudo /bin/true") != 0: # return # cmd = "sudo " + cmd; lock.release() def plug_removed(self, w, (win,socket)): #print "plug_removed" # plug was removed, but we don't want to get it removed, only hiden # unti we get more win.hide() return True def plug_added(self, sock, win): win.show() while gtk.events_pending(): gtk.main_iteration() def on_button_reload_clicked(self, widget): #print "on_button_reload_clicked" #self.invoke_manager(UPDATE) progress = GtkProgress.GtkFetchProgress(self, _("Downloading package " "information"), _("The repositories will be " "checked for new, removed " "or upgraded software " "packages.")) # FIXME: do a try/except here otherwise it may bomb try: self.cache.update(progress) except (IOError,SystemError), msg: dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,"") dialog.set_markup("%s"%\ _("Error reloading")) dialog.format_secondary_text(_("A error occured during the package " "list reload. Please see the below " "information for details what went " "wrong.")) dialog.set_border_width(6) dialog.set_size_request(width=500,height=-1) scroll = gtk.ScrolledWindow() scroll.set_size_request(-1,200) scroll.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC) text = gtk.TextView() text.set_editable(False) text.set_cursor_visible(False) text.set_wrap_mode(gtk.WRAP_WORD) buf = text.get_buffer() buf.set_text("%s" % msg) scroll.add(text) dialog.vbox.pack_start(scroll) scroll.show_all() dialog.run() dialog.destroy() self.fillstore() def on_button_help_clicked(self, widget): gnome.help_display_desktop(self.gnome_program, "update-manager", "update-manager", "") def on_button_install_clicked(self, widget): #print "on_button_install_clicked" self.invoke_manager(INSTALL) def invoke_manager(self, action): # check first if no other package manager is runing import struct, fcntl lock = os.path.dirname(apt_pkg.Config.Find("Dir::State::status"))+"/lock" lock_file= open(lock) flk=struct.pack('hhllhl',fcntl.F_WRLCK,0,0,0,0,0) try: rv = fcntl.fcntl(lock_file, fcntl.F_GETLK, flk) except IOError: print "Error getting lockstatus" raise locked = struct.unpack('hhllhl', rv)[0] if locked != fcntl.F_UNLCK: msg=("%s\n\n%s"%(_("Another package manager is " "running"), _("You can run only one " "package management application " "at the same time. Please close " "this other application first."))); dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_OK,"") dialog.set_markup(msg) dialog.run() dialog.destroy() return # don't display apt-listchanges, we already showed the changelog os.environ["APT_LISTCHANGES_FRONTEND"]="none" # set window to insensitive self.window_main.set_sensitive(False) # create a progress window that will swallow the synaptic progress bars win = gtk.Window() if action==UPDATE: win.set_title(_("Updating package list...")) else: win.set_title(_("Installing updates...")) win.set_border_width(6) win.set_transient_for(self.window_main) win.set_position(gtk.WIN_POS_CENTER_ON_PARENT) win.resize(400,200) win.set_resizable(False) # prevent the window from closing with the delete button (there is # a cancel button in the window) win.connect("delete_event", lambda e,w: True); # create the socket socket = gtk.Socket() socket.show() win.add(socket) socket.connect("plug-added", self.plug_added, win) socket.connect("plug-removed", self.plug_removed, (win,socket)) lock = thread.allocate_lock() lock.acquire() t = thread.start_new_thread(self.run_synaptic,(socket.get_id(),action,lock)) while lock.locked(): while gtk.events_pending(): gtk.main_iteration() time.sleep(0.05) win.destroy() while gtk.events_pending(): gtk.main_iteration() self.fillstore() self.window_main.set_sensitive(True) def toggled(self, renderer, path_string): """ a toggle button in the listview was toggled """ iter = self.store.get_iter_from_string(path_string) if self.store.get_value(iter, LIST_INSTALL): self.store.set_value(iter, LIST_INSTALL, False) self.remove_update(self.store.get_value(iter, LIST_PKG)) else: self.store.set_value(iter, LIST_INSTALL, True) self.add_update(self.store.get_value(iter, LIST_PKG)) def exit(self): """ exit the application, save the state """ self.save_state() gtk.main_quit() sys.exit(0) def save_state(self): """ save the state (window-size for now) """ (x,y) = self.window_main.get_size() self.gconfclient.set_pair("/apps/update-manager/window_size", gconf.VALUE_INT, gconf.VALUE_INT, x, y) def restore_state(self): """ restore the state (window-size for now) """ expanded = self.gconfclient.get_bool("/apps/update-manager/show_details") self.expander_details.set_expanded(expanded) (x,y) = self.gconfclient.get_pair("/apps/update-manager/window_size", gconf.VALUE_INT, gconf.VALUE_INT) if x > 0 and y > 0: self.window_main.resize(x,y) def on_button_preferences_clicked(self, widget): """ start gnome-software preferences """ # args: "-n" means we take care of the reloading of the # package list ourself #apt_pkg.PkgSystemUnLock() #args = ['/usr/bin/gnome-software-properties', '-n'] #child = subprocess.Popen(args) #self.window_main.set_sensitive(False) #res = None #while res == None: # res = child.poll() # time.sleep(0.05) ## while gtk.events_pending(): # gtk.main_iteration() # repository information changed, call "reload" #try: # apt_pkg.PkgSystemLock() #except SystemError: # print "Error geting the cache" # apt_pkg.PkgSystemLock() # if res > 0: # self.on_button_reload_clicked(None) # self.window_main.set_sensitive(True) self.window_main.set_sensitive(False) from SoftwareProperties import SoftwareProperties prop = SoftwareProperties(self.datadir, None) prop.window_main.set_transient_for(self.window_main) prop.run() prop.window_main.hide() if prop.modified: primary = "%s" % \ _("Repositories changed") secondary = _("You need to reload the package list from the servers " "for your changes to take effect. Do you want to do " "this now?") dialog = gtk.MessageDialog(self.window_main,gtk.DIALOG_MODAL, gtk.MESSAGE_INFO,gtk.BUTTONS_YES_NO,"") dialog.set_markup(primary); dialog.format_secondary_text(secondary); res = dialog.run() dialog.destroy() if res == gtk.RESPONSE_YES: self.on_button_reload_clicked(None) self.window_main.set_sensitive(True) def fillstore(self): # clean most objects self.packages = [] self.dl_size = 0 self.store.clear() self.initCache() self.list = UpdateList(self.window_main) # fill them again self.list.update(self.cache) if self.list.num_updates < 1: # set the label and treeview and hide the checkbox column self.cb.set_visible(False) self.expander_details.hide() text = "%s\n\n%s" % (_("Your system is up-to-date!"), _("There are no updates available.")) self.label_header.set_markup(text) self.store.append([False, _("Your system is up-to-date!"), None, None, None, None, None]) # make sure no install is possible self.button_install.set_sensitive(False) else: self.cb.set_visible(True) self.expander_details.show() self.treeview_update.set_headers_visible(False) text = _("Available Updates\n" "\n" "The following packages are found to be upgradable. You can upgrade them by " "using the Install button.") self.label_header.set_markup(text) i=0 for pkg in self.list.pkgs: name = xml.sax.saxutils.escape(pkg.name) summary = xml.sax.saxutils.escape(pkg.summary) contents = "%s\n%s\n\n" % (name, summary) contents = contents + _("New version: %s (Size: %s)") % (pkg.candidateVersion,apt.SizeToStr(pkg.packageSize)) + "" iter = self.store.append([True, contents, pkg.name, pkg.summary, pkg.candidateVersion, pkg.description, pkg]) self.add_update(pkg) i = i + 1 self.update_count() return False def dist_no_longer_supported(self, meta_release): msg = "%s\n\n%s" % (_("Your distribution is no longer supported"), _("Please upgrade to a newer version of Ubuntu Linux. The version you are running will no longer get security fixes or other critical updates. Please see http://www.ubuntulinux.org for upgrade information.")) dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_WARNING, gtk.BUTTONS_OK,"") dialog.set_markup(msg) dialog.run() dialog.destroy() def on_button_dist_upgrade_clicked(self, button): print "on_button_dist_upgrade_clicked" # see if we have release notes # FIXME: care about i18n! (append -$lang or something) if self.new_dist.releaseNotesURI != None: uri = self.new_dist.releaseNotesURI print uri self.window_main.set_sensitive(False) self.window_main.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH)) while gtk.events_pending(): gtk.main_iteration() # download/display the release notes # FIXME: add some progress reporting here try: release_notes = urllib2.urlopen(uri) notes = release_notes.read() self.textview_release_notes.get_buffer().set_text(notes) self.dialog_release_notes.set_transient_for(self.window_main) self.dialog_release_notes.run() self.dialog_release_notes.hide() except urllib2.HTTPError: # FIXME: make proper error dialogs here print _("Release notes not found on the server.") except IOError: print _("Failed to download Release Notes. Please " "check if there is an active internet connection.") self.window_main.set_sensitive(True) self.window_main.window.set_cursor(None) # now download the tarball with the upgrade script tmpdir = tempfile.mkdtemp() os.chdir(tmpdir) if self.new_dist.upgradeTool != None: progress = GtkProgress.GtkFetchProgress(self, _("Downloading upgrade " "informtion"), _("The upgrade information " "are downloaded")) fetcher = apt_pkg.GetAcquire(progress) uri = self.new_dist.upgradeTool #print "Downloading %s to %s" % (uri, tmpdir) af = apt_pkg.GetPkgAcqFile(fetcher,uri, descr=_("Upgrade tool")) fetcher.Run() #print "Done downloading" # extract the tarbal print "extracting" tar = tarfile.open(tmpdir+"/"+os.path.basename(uri),"r") for tarinfo in tar: tar.extract(tarinfo) tar.close() # FIXME: check a internal dependency file to make sure # that the script will run correctly # see if we have a script file that we can run script = "%s/%s" % (tmpdir, self.new_dist.name) if not os.path.exists(script): # FIXME: display a proper error message here print "no script file found in extracted tarbal" else: #print "runing: %s" % script os.execv(script,[]) # cleanup os.chdir("..") # del tmpdir for root, dirs, files in os.walk(tmpdir, topdown=False): for name in files: os.remove(os.path.join(root, name)) #print "would remove file: %s" % os.path.join(root, name) for name in dirs: os.rmdir(os.path.join(root, name)) #print "would remove dir: %s" % os.path.join(root, name) os.rmdir(tmpdir) def new_dist_available(self, meta_release, upgradable_to): print "new_dist_available: %s" % upgradable_to.name # check if the user already knowns about this dist #seen = self.gconfclient.get_string("/apps/update-manager/seen_dist") #if name == seen: # return #msg = "%s\n\n%s" % (_("There is a new release of Ubuntu available!"), _("A new release with the codename '%s' is available. Please see http://www.ubuntulinux.org/ for upgrade instructions.") % name) #dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_INFO, # gtk.BUTTONS_CLOSE, "") #dialog.set_markup(msg) #check = gtk.CheckButton(_("Never show this message again")) #check.show() #dialog.vbox.pack_start(check) #dialog.run() #if check.get_active(): # self.gconfclient.set_string("/apps/update-manager/seen_dist",name) #dialog.destroy() self.frame_new_release.show() self.label_new_release.set_markup("New distibution release codename '%s' available" % upgradable_to.name) self.new_dist = upgradable_to # fixme: we should probably abstract away all the stuff from libapt def initCache(self): # get the lock try: apt_pkg.PkgSystemLock() except SystemError: d = gtk.MessageDialog(parent=self.window_main, flags=gtk.DIALOG_MODAL, type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_OK) d.set_markup("%s\n\n%s" % ( _("Unable to get exclusive lock"), _("This usually means that another package management " "application (like apt-get or aptitude) already running. " "Please close that application first"))) res = d.run() d.destroy() sys.exit() self.cache = MyCache(GtkProgress.GtkOpProgress(self.dialog_cacheprogress, self.progressbar_cache, self.window_main)) #apt_pkg.Config.Set("Debug::pkgPolicy","1") #self.depcache = apt_pkg.GetDepCache(self.cache) self.cache._depcache.ReadPinFile() if os.path.exists(SYNAPTIC_PINFILE): self.cache._depcache.ReadPinFile(SYNAPTIC_PINFILE) self.cache._depcache.Init() def main(self): self.meta = MetaRelease() self.meta.connect("new_dist_available",self.new_dist_available) self.meta.connect("dist_no_longer_supported",self.dist_no_longer_supported) self.store.append([True, _("Initializing and getting list of updates..."), None, None, None, None, None]) while gtk.events_pending(): gtk.main_iteration() self.fillstore() gtk.main()