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Python Source  |  2009-11-02  |  4.6 KB  |  118 lines
  1. # DistUpgradeFetcher.py 
  2. #  
  3. #  Copyright (c) 2006 Canonical
  4. #  
  5. #  Author: Michael Vogt <michael.vogt@ubuntu.com>
  6. # 
  7. #  This program is free software; you can redistribute it and/or 
  8. #  modify it under the terms of the GNU General Public License as 
  9. #  published by the Free Software Foundation; either version 2 of the
  10. #  License, or (at your option) any later version.
  11. # 
  12. #  This program is distributed in the hope that it will be useful,
  13. #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15. #  GNU General Public License for more details.
  16. # 
  17. #  You should have received a copy of the GNU General Public License
  18. #  along with this program; if not, write to the Free Software
  19. #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  20. #  USA
  21.  
  22. import pygtk
  23. pygtk.require('2.0')
  24. import gtk
  25.  
  26. from ReleaseNotesViewer import ReleaseNotesViewer
  27. from Core.utils import *
  28. from Core.DistUpgradeFetcherCore import DistUpgradeFetcherCore
  29. from gettext import gettext as _
  30. import urllib2
  31. import dbus
  32. import os
  33. import socket
  34.  
  35.  
  36. class DistUpgradeFetcherGtk(DistUpgradeFetcherCore):
  37.  
  38.     def __init__(self, new_dist, progress, parent):
  39.         DistUpgradeFetcherCore.__init__(self,new_dist,progress)
  40.         self.parent = parent
  41.         self.window_main = parent.window_main
  42.  
  43.     def error(self, summary, message):
  44.         return error(self.window_main, summary, message)
  45.  
  46.     def runDistUpgrader(self):
  47.         inhibit_sleep()
  48.         # now run it with sudo
  49.         if os.getuid() != 0:
  50.             os.execv("/usr/bin/gksu",["gksu",
  51.                                       "--desktop","/usr/share/applications/update-manager.desktop",
  52.                                       "--",
  53.                                       self.script]+self.run_options)
  54.         else:
  55.             os.execv(self.script,[self.script]+self.run_options)
  56.         # we shouldn't come to this point, but if we do, undo our
  57.         # inhibit sleep
  58.         allow_sleep()
  59.  
  60.     def showReleaseNotes(self):
  61.       # FIXME: care about i18n! (append -$lang or something)
  62.       if self.new_dist.releaseNotesURI != None:
  63.           uri = self._expandUri(self.new_dist.releaseNotesURI)
  64.           self.window_main.set_sensitive(False)
  65.           self.window_main.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.WATCH))
  66.           while gtk.events_pending():
  67.               gtk.main_iteration()
  68.  
  69.           # download/display the release notes
  70.           # FIXME: add some progress reporting here
  71.           res = gtk.RESPONSE_CANCEL
  72.           timeout = socket.getdefaulttimeout()
  73.           try:
  74.               socket.setdefaulttimeout(5)
  75.               release_notes = urllib2.urlopen(uri)
  76.               notes = release_notes.read()
  77.               textview_release_notes = ReleaseNotesViewer(notes)
  78.               textview_release_notes.show()
  79.               self.parent.scrolled_notes.add(textview_release_notes)
  80.               self.parent.dialog_release_notes.set_transient_for(self.window_main)
  81.               res = self.parent.dialog_release_notes.run()
  82.               self.parent.dialog_release_notes.hide()
  83.           except urllib2.HTTPError:
  84.               primary = "<span weight=\"bold\" size=\"larger\">%s</span>" % \
  85.                         _("Could not find the release notes")
  86.               secondary = _("The server may be overloaded. ")
  87.               dialog = gtk.MessageDialog(self.window_main,gtk.DIALOG_MODAL,
  88.                                          gtk.MESSAGE_ERROR,gtk.BUTTONS_CLOSE,"")
  89.               dialog.set_title("")
  90.               dialog.set_markup(primary);
  91.               dialog.format_secondary_text(secondary);
  92.               dialog.run()
  93.               dialog.destroy()
  94.           except IOError:
  95.               primary = "<span weight=\"bold\" size=\"larger\">%s</span>" % \
  96.                         _("Could not download the release notes")
  97.               secondary = _("Please check your internet connection.")
  98.               dialog = gtk.MessageDialog(self.window_main,gtk.DIALOG_MODAL,
  99.                                          gtk.MESSAGE_ERROR,gtk.BUTTONS_CLOSE,"")
  100.               dialog.set_title("")
  101.               dialog.set_markup(primary);
  102.               dialog.format_secondary_text(secondary);
  103.               dialog.run()
  104.               dialog.destroy()
  105.           socket.setdefaulttimeout(timeout)              
  106.           self.window_main.set_sensitive(True)
  107.           self.window_main.window.set_cursor(None)
  108.           # user clicked cancel
  109.           if res == gtk.RESPONSE_OK:
  110.               return True
  111.       return False
  112.  
  113. if __name__ == "__main__":
  114.     error(None, "summary","message")
  115.     d = DistUpgradeFetcherGtk(None,None)
  116.     print d.authenticate('/tmp/Release','/tmp/Release.gpg')
  117.  
  118.