def update(self, progress, sources_list=None):
src_list = aptsources.sourceslist.SourcesList()
src_count = 0
for src in src_list.list:
if not src.disabled and not src.invalid:
src_count += len(src.comps) + 1
updating_sources = "{}-updating-apt-sources".format(
progress.get_current_phase().name)
cache_init = "{}-apt-cache-init".format(
progress.get_current_phase().name)
progress.split(Phase(updating_sources, _("Updating apt sources")),
Phase(cache_init, _("Initialising apt cache")))
progress.start(updating_sources)
apt_progress = AptDownloadProgress(progress, src_count)
try:
self._cache.update(fetch_progress=apt_progress,
sources_list=sources_list)
except apt.cache.FetchFailedException:
err_msg = N_("Failed to update sources")
logger.error(err_msg)
progress.fail(_(err_msg))
progress.start(cache_init)
ops = [("reading-package-lists", _("Reading package lists")),
("building-dependency-tree", _("Building dependency tree")),
("reading-state-information", _("Reading state information")),
("building-data-structures", _("Building data structures"))]
op_progress = AptOpProgress(progress, ops)
self._cache.open(op_progress)
def upgrade(self, packages, progress=None, priority=Priority.NONE):
if not isinstance(packages, list):
packages = [packages]
for pkg_name in packages:
if pkg_name in self._cache:
pkg = self._cache[pkg_name]
if self._is_package_upgradable(pkg, priority=priority):
pkg.mark_upgrade()
phase_name = progress.get_current_phase().name
download = "{}-downloading".format(phase_name)
install = "{}-installing".format(phase_name)
progress.split(Phase(download, _("Downloading packages")),
Phase(install, _("Installing packages")))
progress.start(download)
apt_progress = AptDownloadProgress(progress, self._cache.install_count)
self._cache.fetch_archives(apt_progress)
progress.start(install)
inst_progress = AptInstallProgress(progress)
self._cache.commit(install_progress=inst_progress)
self._cache.open()
self._cache.clear()
def _do_fetch_archives(self, progress):
'''
Raises: apt.cache.FetchFailedException
Raises: DownloadFailException
'''
apt_progress = AptDownloadProgress(progress, self._cache.install_count)
self._cache.fetch_archives(apt_progress)
def _do_update_cache(self, progress, src_count, sources_list):
'''
Raises: apt.cache.FetchFailedException
Raises: DownloadFailException
'''
apt_progress = AptDownloadProgress(progress, src_count)
self._cache.update(fetch_progress=apt_progress,
sources_list=sources_list)
def cache_updates(self, progress, priority=Priority.NONE):
self._mark_all_for_update(priority=priority)
apt_progress = AptDownloadProgress(progress, self._cache.install_count)
self._cache.fetch_archives(apt_progress)