# UpdateManager.py # # Copyright (c) 2004-2006 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 gconf import gobject 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 pango import subprocess import pwd import time import thread import xml.sax.saxutils from gettext import gettext as _ from Common.utils import * from Common.SimpleGladeApp import SimpleGladeApp from DistUpgradeFetcher import DistUpgradeFetcher 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) assert self._depcache.BrokenCount == 0 and self._depcache.DelCount == 0 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] = [_("The list of changes is not " "available yet. Please try again " "later."), srcpkg] except IOError: if lock.locked(): self.all_changes[name] = [_("Failed to download the list" "of changes. Please " "check your 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.KeepCount > 0: #print "WARNING, keeping packages" msg = ("%s\n\n%s" % \ (_("Cannot install all available updates"), _("Some updates require to remove further software. " "Use the function \"Smart Upgrade\" of the package manager " "\"Synaptic\" or run \"sudo apt-get dist-upgrade\" in a " "terminal to update your system completely."))) dialog = gtk.MessageDialog(self.parent_window, 0, gtk.MESSAGE_INFO, gtk.BUTTONS_CLOSE,"") dialog.set_default_response(gtk.RESPONSE_OK) dialog.set_markup(msg) dialog.set_title("") dialog.vbox.set_spacing(6) label = gtk.Label(_("The following updates will be skipped:")) 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): icons = gtk.icon_theme_get_default() try: logo=icons.load_icon("update-manager", 48, 0) gtk.window_set_default_icon_list(logo) except: pass self.datadir = datadir SimpleGladeApp.__init__(self, datadir+"glade/UpdateManager.glade", None, domain="update-manager") self.window_main.set_sensitive(False) 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", self.close) 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 on_checkbutton_reminder_toggled(self, checkbutton): self.gconfclient.set_bool("/apps/update-manager/remind_reload", not checkbutton.get_active()) def close(self, widget, data=None): if self.window_main.get_property("sensitive") is False: return True else: self.exit() 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(): lock = thread.allocate_lock() lock.acquire() t=thread.start_new_thread(self.cache.get_changelog,(name,lock)) changes_buffer.set_text(_("Downloading the list of 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); 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): if len(self.packages) == 0: text_header= ""+_("Your system is up-to-date")+"" text_download = "" self.expander_details.set_sensitive(False) self.treeview_update.set_sensitive(False) self.label_downsize.set_text="" self.button_cancel.grab_default() else: text_header = ""+gettext.ngettext("You can install one update", "You can install %s updates" % len(self.store), len(self.store))+"" text_download = _("Download size: %s" % apt_pkg.SizeToStr(self.dl_size)) self.expander_details.set_sensitive(True) self.treeview_update.set_sensitive(True) self.button_install.grab_default() self.label_header.set_markup(text_header) self.label_downsize.set_markup(text_download) 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 = ["gksu","--", cmd = ["/usr/sbin/synaptic", "--hide-main-window", "--non-interactive", "--parent-window-id", "%s" % (id) ] if action == INSTALL: cmd.append("--progress-str") cmd.append("%s" % _("Please wait, this can take some time.")) cmd.append("--finish-str") cmd.append("%s" % _("Update is complete")) f = tempfile.NamedTemporaryFile() for s in self.packages: f.write("%s\tinstall\n" % s) cmd.append("--set-selections-file") cmd.append("%s" % f.name) f.flush() subprocess.call(cmd) f.close() elif action == UPDATE: cmd.append("--update-at-startup") subprocess.call(cmd) else: print "run_synaptic() called with unknown action" sys.exit(1) lock.release() def on_button_reload_clicked(self, widget): #print "on_button_reload_clicked" self.invoke_manager(UPDATE) self.fillstore() def on_button_help_clicked(self, widget): subprocess.Popen(["/usr/bin/yelp", "ghelp: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 # 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) lock = thread.allocate_lock() lock.acquire() t = thread.start_new_thread(self.run_synaptic, (self.window_main.window.xid,action,lock)) while lock.locked(): while gtk.events_pending(): gtk.main_iteration() time.sleep(0.05) 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.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, 0, 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) text = "%s\n\n%s" % (_("Your system is up-to-date"), _("There are no updates available.")) self.label_header.set_markup(text) # make sure no install is possible self.button_install.set_sensitive(False) self.textview_changes.get_buffer().set_text("") self.textview_descr.get_buffer().set_text("") else: self.cb.set_visible(True) 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 not supported anymore"), _("You will not get any further security fixes or critical " "updates. " "Upgrade to a later version of Ubuntu Linux. See " "http://www.ubuntu.com for more information on " "upgrading.")) dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_WARNING, gtk.BUTTONS_CLOSE,"") dialog.set_title("") dialog.set_markup(msg) dialog.run() dialog.destroy() def on_button_dist_upgrade_clicked(self, button): print "on_button_dist_upgrade_clicked" fetcher = DistUpgradeFetcher(self, self.new_dist) fetcher.run() 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 distribution 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, e: d = gtk.MessageDialog(parent=self.window_main, flags=gtk.DIALOG_MODAL, type=gtk.MESSAGE_ERROR, buttons=gtk.BUTTONS_CLOSE) d.set_markup("%s\n\n%s" % ( _("Only one software management tool is allowed to " "run at the same time"), _("Please close the other application e.g. \"aptitude\" " "or \"Synaptic\" at first."))) print "error from apt: '%s'" % e d.set_title("") res = d.run() d.destroy() sys.exit() try: self.cache = MyCache(GtkProgress.GtkOpProgress(self.dialog_cacheprogress, self.progressbar_cache, self.label_cache, self.window_main)) except AssertionError: # we assert a clean cache msg=("%s\n\n%s"% \ (_("Software index is broken"), _("It is impossible to install or remove any software. " "Please use the package manager \"Synaptic\" or run " "\"sudo apt-get install -f\" in a terminal to fix " "this issue at first."))) dialog = gtk.MessageDialog(self.window_main, 0, gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE,"") dialog.set_markup(msg) dialog.vbox.set_spacing(6) dialog.run() dialog.destroy() sys.exit(1) #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 check_auto_update(self): # Check if automatic update is enabled. If not show a dialog to inform # the user about the need of manual "reloads" remind = self.gconfclient.get_bool("/apps/update-manager/remind_reload") if remind == False: return update_days = apt_pkg.Config.FindI("APT::Periodic::Update-Package-Lists") if update_days < 1: self.dialog_manual_update.set_transient_for(self.window_main) res = self.dialog_manual_update.run() self.dialog_manual_update.hide() if res == gtk.RESPONSE_YES: self.on_button_reload_clicked(None) 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) while gtk.events_pending(): gtk.main_iteration() self.fillstore() self.check_auto_update() gtk.main()