~barry/update-manager/673297-py27

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#!/usr/bin/python

import apt
import gconf
import gobject
import glib
import gtk
import locale
import logging
import sys
import time

import UpdateManager.GtkProgress

from gettext import gettext as _
from optparse import OptionParser

from DistUpgrade.utils import init_proxy

from UpdateManager.DistUpgradeFetcher import DistUpgradeFetcherGtk
from UpdateManager.MetaReleaseGObject import MetaRelease
from UpdateManager.SimpleGtkbuilderApp import SimpleGtkbuilderApp

gobject.threads_init()

# overwrite default upgrade fetcher and make it not show the
# release notes by default
class DistUpgradeFetcher(DistUpgradeFetcherGtk):
    def showReleaseNotes(self):
      # nothing to do
      return True


class CheckNewReleaseGtk(SimpleGtkbuilderApp):
  """ Gtk verson of the release notes check/download """

  # the timeout until we give up
  FETCH_TIMEOUT = 20

  def __init__(self, options):
    SimpleGtkbuilderApp.__init__(self, options.datadir+"/glade/UpgradePromptDialog.ui", "update-manager")
    self.new_dist = None
    logging.debug("runnign with devel=%s proposed=%s" % (
            options.devel_release, options.proposed_release))
    m = MetaRelease(useDevelopmentRelease=options.devel_release,
                    useProposed=options.proposed_release)
    m.connect("new-dist-available", self.new_dist_available)
    # useful for testing
    if options.test_uri:
        self.build_ui()
        self.show_uri(options.test_uri)
    else:
        glib.timeout_add_seconds(self.FETCH_TIMEOUT, self.timeout)


  def new_dist_available(self, meta_release, new_dist):
    logging.debug("new_dist_available: %s" % new_dist)
    self.new_dist = new_dist
    client = gconf.client_get_default()
    ignore_dist = client.get_string("/apps/update-manager/check_new_release_ignore")
    if ignore_dist == new_dist.name:
        logging.warn("found new dist '%s' but it is on the ignore list" % new_dist.name)
        gtk.main_quit()
    self.build_ui()
    self.window_main.set_title(_("Ubuntu %(version)s Upgrade Available") % {'version': new_dist.version})
    self.linkbutton_release_notes.set_uri(new_dist.releaseNotesURI)
    html_uri = new_dist.releaseNotesHtmlUri
    if not html_uri:
        logging.warn("no ReleaseNotesHtmlUri found")
        return
    self.show_uri(html_uri)
  
  def build_ui(self):
    import webkit
    self.webkit_view = webkit.WebView()
    self.webkit_view.show()
    settings = self.webkit_view.get_settings()
    settings.set_property("enable-plugins", False)
    # FIXME: do we want to have it in a gtk.ScrolledWindow ?
    #self.alignment_webkit_view.add(self.webkit_view)
    self.scrolledwindow_webkit_view.add(self.webkit_view)

  def on_button_upgrade_now_clicked(self, button):
    logging.debug("upgrade now")
    progress=UpdateManager.GtkProgress.GtkFetchProgress(self, _("Downloading the release upgrade tool"))
    fetcher = DistUpgradeFetcher(new_dist=self.new_dist, 
                                 parent=self,
                                 progress=progress)
    res = fetcher.run()

  def on_button_ask_me_later_clicked(self, button):
    logging.debug("ask me later")
    # check again in a week
    next_check = time.time() + 7*24*60*60
    client = gconf.client_get_default()
    client.set_int("/apps/update-notifier/release_check_time", next_check)
    gtk.main_quit()

  def on_button_dont_upgrade_clicked(self, button):
    #print "don't upgrade"
    s = _("You have declined the upgrade to Ubuntu %s") % self.new_dist.version
    self.dialog_really_do_not_upgrade.set_markup("<b>%s</b>" % s)
    if self.dialog_really_do_not_upgrade.run() == gtk.RESPONSE_OK:
        client = gconf.client_get_default()
        client.set_string("/apps/update-manager/check_new_release_ignore",
                          self.new_dist.name)
    gtk.main_quit()

  def on_linkbutton_release_notes_clicked(self, linkbutton):
    # gtk will do the right thing if uri is set
    pass

  def window_delete_event_cb(self, window, event):
    gtk.main_quit()

  def show_uri(self, uri):
    logging.debug("using uri '%s'" % uri)
    self.webkit_view.open(uri)
    self.webkit_view.connect("load-finished", self._on_load_finished)

  def _on_load_finished(self, view, frame):
    self.window_main.show_all()

  def timeout(self):
    if self.new_dist is None:
      logging.warn("timeout reached, exiting")
      gtk.main_quit()

if __name__ == "__main__":

  init_proxy()

  parser = OptionParser()
  parser.add_option ("-d", "--devel-release", action="store_true",
                     dest="devel_release", default=False,
                     help=_("Check if upgrading to the latest devel release "
                          "is possible"))
  parser.add_option ("-p", "--proposed", action="store_true",
                     dest="proposed_release", default=False,
                     help=_("Try upgrading to the latest release using "
                            "the upgrader from $distro-proposed"))
  # mostly useful for development
  parser.add_option ("", "--datadir", default="/usr/share/update-manager")
  parser.add_option ("", "--test-uri")
  parser.add_option ("", "--debug", action="store_true", default=False,
                     help="Add debug output")
  (options, args) = parser.parse_args()

  if options.debug:
      logging.basicConfig(level=logging.DEBUG)

  # create object
  cnr = CheckNewReleaseGtk(options)
 
  gtk.main()