Hi. Thanks for your patience. I’ve added your amendment, but Alacarte still won’t let me edit menus or view properties etc. The file now looks like this:
# -*- coding: utf-8 -*-
# Alacarte Menu Editor - Simple fd.o Compliant Menu Editor
# Copyright (C) 2006 Travis Watkins
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import os
import xml.dom.minidom
from collections import Sequence
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GdkPixbuf, GMenu, GLib
# XXX: look into pygobject error marshalling
from gi.repository.GLib import GError
DESKTOP_GROUP = GLib.KEY_FILE_DESKTOP_GROUP
KEY_FILE_FLAGS = GLib.KeyFileFlags.KEEP_COMMENTS | GLib.KeyFileFlags.KEEP_TRANSLATIONS
def fillKeyFile(keyfile, items):
for key, item in items.iteritems():
if item is None:
continue
if isinstance(item, bool):
keyfile.set_boolean(DESKTOP_GROUP, key, item)
elif isinstance(item, basestring):
keyfile.set_string(DESKTOP_GROUP, key, item)
elif isinstance(item, Sequence):
keyfile.set_string_list(DESKTOP_GROUP, key, item)
def getUniqueFileId(name, extension):
append = 0
while 1:
if append == 0:
filename = name + extension
else:
filename = name + '-' + str(append) + extension
if extension == '.desktop':
path = getUserItemPath()
if not os.path.isfile(os.path.join(path, filename)) and not getItemPath(filename):
break
elif extension == '.directory':
path = getUserDirectoryPath()
if not os.path.isfile(os.path.join(path, filename)) and not getDirectoryPath(filename):
break
append += 1
return filename
def getUniqueRedoFile(filepath):
append = 0
while 1:
new_filepath = filepath + '.redo-' + str(append)
if not os.path.isfile(new_filepath):
break
else:
append += 1
return new_filepath
def getUniqueUndoFile(filepath):
filename, extension = os.path.split(filepath)[1].rsplit('.', 1)
append = 0
while 1:
if extension == 'desktop':
path = getUserItemPath()
elif extension == 'directory':
path = getUserDirectoryPath()
elif extension == 'menu':
path = getUserMenuPath()
new_filepath = os.path.join(path, filename + '.' + extension + '.undo-' + str(append))
if not os.path.isfile(new_filepath):
break
else:
append += 1
return new_filepath
def getItemPath(file_id):
for path in GLib.get_system_data_dirs():
file_path = os.path.join(path, 'applications', file_id)
if os.path.isfile(file_path):
return file_path
return None
def getUserItemPath():
item_dir = os.path.join(GLib.get_user_data_dir(), 'applications')
if not os.path.isdir(item_dir):
os.makedirs(item_dir)
return item_dir
def getDirectoryPath(file_id):
for path in GLib.get_system_data_dirs():
file_path = os.path.join(path, 'desktop-directories', file_id)
if os.path.isfile(file_path):
return file_path
return None
def getUserDirectoryPath():
menu_dir = os.path.join(GLib.get_user_data_dir(), 'desktop-directories')
if not os.path.isdir(menu_dir):
os.makedirs(menu_dir)
return menu_dir
def getUserMenuPath():
menu_dir = os.path.join(GLib.get_user_config_dir(), 'menus')
if not os.path.isdir(menu_dir):
os.makedirs(menu_dir)
return menu_dir
def getSystemMenuPath(file_id):
for path in GLib.get_system_config_dirs():
file_path = os.path.join(path, 'menus', file_id)
if os.path.isfile(file_path):
return file_path
return None
def getUserMenuXml(tree):
system_file = getSystemMenuPath(os.path.basename(tree.get_canonical_menu_path()))
name = tree.get_root_directory().get_menu_id()
menu_xml = "<!DOCTYPE Menu PUBLIC '-//freedesktop//DTD Menu 1.0//EN' 'http://standards.freedesktop.org/menu-spec/menu-1.0.dtd'>
"
menu_xml += "<Menu>
<Name>" + name + "</Name>
"
menu_xml += "<MergeFile type=\"parent\">" + system_file + "</MergeFile>
</Menu>
"
return menu_xml
def getIcon(item):
pixbuf = None
if item is None:
return None
if isinstance(item, GMenu.TreeDirectory):
gicon = item.get_icon()
elif isinstance(item, GMenu.TreeEntry):
app_info = item.get_app_info()
gicon = app_info.get_icon()
else:
return None
if gicon is None:
return None
icon_theme = Gtk.IconTheme.get_default()
info = icon_theme.lookup_by_gicon(gicon, 24, 0)
if info is None:
return None
try:
pixbuf = info.load_icon()
except GLib.GError:
return None
if pixbuf is None:
return None
if pixbuf.get_width() != 24 or pixbuf.get_height() != 24:
pixbuf = pixbuf.scale_simple(24, 24, GdkPixbuf.InterpType.HYPER)
return pixbuf
def removeWhitespaceNodes(node):
remove_list = ]
for child in node.childNodes:
if child.nodeType == xml.dom.minidom.Node.TEXT_NODE:
child.data = child.data.strip()
if not child.data.strip():
remove_list.append(child)
elif child.hasChildNodes():
removeWhitespaceNodes(child)
for node in remove_list:
node.parentNode.removeChild(node)
Is this correct? Thanks again.
I reinstalled Alacarte this morning and re-edited the utils.py file, but still to no avail. 
