zeroinstall/gtkui/xdgutils.py

   1 """Adding icons and menu items using the freedesktop.org system.
   2 (xdg = X Desktop Group)
   3 """
   4 # Copyright (C) 2008, Thomas Leonard
   5 # See the README file for details, or visit http://0install.net.
   6
   7 import shutil, os, tempfile
   8
   9 from zeroinstall import SafeException
  10
  11 _template = """[Desktop Entry]
  12 # This file was generated by zero2desktop.
  13 # See the Zero Install project for details: http://0install.net
  14 Type=Application
  15 Version=1.0
  16 Name=%s
  17 Comment=%s
  18 Exec=0launch -- %s %%f
  19 Categories=Application;%s
  20 """
  21
  22 _icon_template = """Icon=%s
  23 """
  24
  25 def add_to_menu(iface, icon_path, category):
  26         """Write a .desktop file for this application.
  27         @param iface: the program being added
  28         @param icon_path: the path of the icon, or None
  29         @param category: the freedesktop.org menu category"""
  30         tmpdir = tempfile.mkdtemp(prefix = 'zero2desktop-')
  31         try:
  32                 desktop_name = os.path.join(tmpdir, 'zeroinstall-%s.desktop' % iface.get_name().lower())
  33                 desktop = file(desktop_name, 'w')
  34                 desktop.write(_template % (iface.get_name(), iface.summary, iface.uri, category))
  35                 if icon_path:
  36                         desktop.write(_icon_template % icon_path)
  37                 desktop.close()
  38                 status = os.spawnlp(os.P_WAIT, 'xdg-desktop-menu', 'xdg-desktop-menu', 'install', desktop_name)
  39         finally:
  40                 shutil.rmtree(tmpdir)
  41
  42         if status:
  43                 raise SafeException('Failed to run xdg-desktop-menu (error code %d)' % status)