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# -*- coding: utf-8 -*-
"""
Copyright (C) 2013-2014 Team-XBMC
Copyright (C) 2014-2019 Team Kodi
This file is part of service.xbmc.versioncheck
SPDX-License-Identifier: GPL-3.0-or-later
See LICENSES/GPL-3.0-or-later.txt for more information.
"""
from .common import log
from .handler import Handler
try:
import apt
from aptdaemon import client
from aptdaemon import errors
except ImportError:
apt = None
client = None
errors = None
log('ImportError: apt, aptdaemon')
class AptDaemonHandler(Handler):
""" Apt daemon handler
"""
def __init__(self):
Handler.__init__(self)
self.apt_client = client.AptClient()
def _check_versions(self, package):
""" Check apt package versions
:param package: package to check
:type package: str
:return: installed version, candidate version
:rtype: str, str / False, False
"""
if self.update and not self._update_cache():
return False, False
try:
trans = self.apt_client.upgrade_packages([package])
# trans = self.apt_client.upgrade_packages('bla')
trans.simulate(reply_handler=self._apt_trans_started,
error_handler=self._apt_error_handler)
pkg = trans.packages[4][0]
if pkg == package:
cache = apt.Cache()
cache.open(None)
cache.upgrade()
if cache[pkg].installed:
return cache[pkg].installed.version, cache[pkg].candidate.version
return False, False
except Exception as error: # pylint: disable=broad-except
log('Exception while checking versions: %s' % error)
return False, False
def _update_cache(self):
""" Update apt client cache
:return: success of updating apt cache
:rtype: bool
"""
try:
return self.apt_client.update_cache(wait=True) == 'exit-success'
except errors.NotAuthorizedError:
log('You are not allowed to update the cache')
return False
def upgrade_package(self, package):
""" Upgrade apt package
:param package: package to upgrade
:type package: str
:return: success of apt package upgrade
:rtype: bool
"""
try:
log('Installing new version')
if self.apt_client.upgrade_packages([package], wait=True) == 'exit-success':
log('Upgrade successful')
return True
except Exception as error: # pylint: disable=broad-except
log('Exception during upgrade: %s' % error)
return False
def upgrade_system(self):
""" Upgrade system
:return: success of system upgrade
:rtype: bool
"""
try:
log('Upgrading system')
if self.apt_client.upgrade_system(wait=True) == 'exit-success':
return True
except Exception as error: # pylint: disable=broad-except
log('Exception during system upgrade: %s' % error)
return False
def _apt_trans_started(self):
""" Apt transfer reply handler
"""
@staticmethod
def _apt_error_handler(error):
""" Apt transfer error handler
:param error: apt error message
:type error: str
"""
log('Apt Error %s' % error)
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