Viewing file:  OpenDesktopFileAction.py (3 KB) -rw-r--r--
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from deskbar.core.Utils import get_xdg_data_dirs
from gettext import gettext as _
from os.path import join, exists
import gnomedesktop
import deskbar.interfaces.Action
import logging
LOGGER = logging.getLogger(__name__)
class OpenDesktopFileAction(deskbar.interfaces.Action):
"""
Retrieve information about an application from
its .desktop file
"""
def __init__(self, name, desktop, desktop_file, executable):
"""
@type desktop: L{gnomedesktop.DesktopItem}
@type desktop_file: path pointing to .desktop file
@param executeable: Name of the executeable for display
"""
deskbar.interfaces.Action.__init__(self, name)
self._desktop = desktop
self._desktop_file = desktop_file
self._prog = executable
def __getstate__(self):
state = self.__dict__.copy()
del state["_desktop"]
return state
def __setstate__(self, state):
self.__dict__ = state
self._desktop = parse_desktop_filename(self._desktop_file)
def is_valid(self):
return exists(self._desktop_file)
def get_icon(self):
if self._desktop != None:
return self._desktop.get_string(gnomedesktop.KEY_ICON)
else:
return "gtk-open"
def get_name(self, text=None):
name_dict = {"name": self._name}
# Be compatible with previous versions
if hasattr(self, "_prog"):
name_dict["prog"] = self._prog
else:
name_dict["prog"] = ""
return name_dict
def get_verb(self):
#translators: First %s is the programs full name, second is the executable name
#translators: For example: Launch Text Editor (gedit)
return _("Launch <b>%(name)s</b> (%(prog)s)")
def activate(self, text=None):
try:
self._desktop.launch([])
except Exception, e:
#FIXME: Proper dialog here. Also see end of Utils.py
LOGGER.warning('Could not launch .desktop file:')
LOGGER.exception(e)
def parse_desktop_filename(desktop, only_if_visible=True):
if desktop[0] == "/" and exists(desktop):
return parse_desktop_file(desktop, only_if_visible)
for dir in get_xdg_data_dirs():
f = join(dir, "applications", desktop)
if exists(f):
return parse_desktop_file(f, only_if_visible)
return None
def parse_desktop_file(desktop, only_if_visible=True):
try:
desktop = gnomedesktop.item_new_from_file(desktop, gnomedesktop.LOAD_ONLY_IF_EXISTS)
except Exception, e:
LOGGER.warning('Couldn\'t read desktop file %s:', desktop)
LOGGER.exception(e)
return None
if desktop == None or desktop.get_entry_type() != gnomedesktop.TYPE_APPLICATION:
return None
if desktop.get_boolean(gnomedesktop.KEY_TERMINAL):
return None
if only_if_visible and desktop.get_boolean(gnomedesktop.KEY_NO_DISPLAY):
return None
return desktop
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