deb9b323f2
On template change, qvm-appmenus is queried for changes in available apps. If something is whitelisted and does not appear in the template, it is shown in the list as "Application missing". requires https://github.com/QubesOS/qubes-desktop-linux-common/pull/22 fixes QubesOS/qubes-issues5796
121 lines
4.4 KiB
Python
Executable File
121 lines
4.4 KiB
Python
Executable File
#!/usr/bin/python2
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#
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# The Qubes OS Project, http://www.qubes-os.org
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#
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# Copyright (C) 2011 Marek Marczykowski <marmarek@mimuw.edu.pl>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with this program; if not, see <http://www.gnu.org/licenses/>.
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#
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#
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import subprocess
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from PyQt5 import QtWidgets, QtCore # pylint: disable=import-error
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# TODO description in tooltip
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# TODO icon
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# pylint: disable=too-few-public-methods
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class AppListWidgetItem(QtWidgets.QListWidgetItem):
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def __init__(self, name, ident, tooltip=None, parent=None):
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super(AppListWidgetItem, self).__init__(name, parent)
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if tooltip:
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self.setToolTip(tooltip)
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self.ident = ident
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@classmethod
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def from_line(cls, line):
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ident, name, comment = line.split('|', maxsplit=3)
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return cls(name=name, ident=ident, tooltip=comment)
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@classmethod
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def from_ident(cls, ident):
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name = 'Application missing in template! ({})'.format(ident)
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comment = 'The listed application was available at some point to ' \
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'this qube, but not any more. The most likely cause is ' \
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'template change. Install the application in the template ' \
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'if you want to restore it.'
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return cls(name=name, ident=ident, tooltip=comment)
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class AppmenuSelectManager:
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def __init__(self, vm, apps_multiselect):
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self.vm = vm
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self.app_list = apps_multiselect # this is a multiselect wiget
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self.whitelisted = None
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self.has_missing = False
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self.fill_apps_list(template=None)
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def fill_apps_list(self, template=None):
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self.whitelisted = [line for line in subprocess.check_output(
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['qvm-appmenus', '--get-whitelist', self.vm.name]
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).decode().strip().split('\n') if line]
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currently_selected = [
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self.app_list.selected_list.item(i).ident
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for i in range(self.app_list.selected_list.count())]
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whitelist = set(self.whitelisted + currently_selected)
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# Check if appmenu entry is really installed
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# whitelisted = [a for a in whitelisted
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# if os.path.exists('%s/apps/%s-%s' %
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# (self.vm.dir_path, self.vm.name, a))]
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self.app_list.clear()
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command = ['qvm-appmenus', '--get-available',
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'--i-understand-format-is-unstable', '--file-field',
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'Comment']
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if template:
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command.extend(['--template', template.name])
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command.append(self.vm.name)
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available_appmenus = [
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AppListWidgetItem.from_line(line)
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for line in subprocess.check_output(command).decode().splitlines()]
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for app in available_appmenus:
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if app.ident in whitelist:
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self.app_list.selected_list.addItem(app)
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whitelist.remove(app.ident)
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else:
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self.app_list.available_list.addItem(app)
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self.has_missing = bool(whitelist)
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for app in whitelist:
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item = AppListWidgetItem.from_ident(app)
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self.app_list.selected_list.addItem(item)
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self.app_list.available_list.sortItems()
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self.app_list.selected_list.sortItems()
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def save_appmenu_select_changes(self):
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new_whitelisted = [self.app_list.selected_list.item(i).ident
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for i in range(self.app_list.selected_list.count())]
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if set(new_whitelisted) == set(self.whitelisted):
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return False
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p = subprocess.Popen([
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'qvm-appmenus', '--set-whitelist', '-', '--update', self.vm.name],
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stdin=subprocess.PIPE)
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p.communicate('\n'.join(new_whitelisted).encode())
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if p.returncode != 0:
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exception_text = QtCore.QCoreApplication.translate(
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"Command {command} failed", "exception").format(
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command='qvm-appmenus --set-whitelist')
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raise RuntimeError(exception_text)
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return True
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