def _check_next_update(self):
if self._cancelling or len(self._bundles_to_check) == 0:
self._completion_cb(self._updates)
return
total = self._total_bundles_to_check
current = total - len(self._bundles_to_check)
progress = current / float(total)
self._bundle_update = self._bundles_to_check.pop()
_logger.debug("Check %s", self._bundle_update.bundle_id)
# There is no need for a special name lookup for an automatic update.
# The name lookup is only for UI purposes, but we are running in the
# background.
if self._bundle_update.name is None and self._auto:
self._bundle_update.name = self._bundle_update.bundle_id
if self._bundle_update.name is not None:
# if we know the name, we just perform an asynchronous size check
_logger.debug("Performing async size lookup")
size_check = Downloader(self._bundle_update.link)
size_check.connect('complete', self._size_lookup_cb)
size_check.get_size()
self._progress_cb(self._bundle_update.name, progress)
else:
# if we don't know the name, we run a metadata lookup and get
# the size and name that way
_logger.debug("Performing metadata lookup")
namelookup = MetadataLookup(self._bundle_update.link)
namelookup.connect('complete', self._name_lookup_complete)
namelookup.run()
self._progress_cb(self._bundle_update.bundle_id, progress)
def test_get_size(self):
downloader = Downloader("http://0.0.0.0:%d/data/test.txt" % self._port)
self._complete = False
downloader.connect('complete', self.download_complete_cb)
downloader.get_size()
while not self._complete:
Gtk.main_iteration()
self.assertEqual(6, self._result)
def _do_download(self, method, **kwargs):
# set up Downloader, call method on it with given kwargs, wait for
# response
self._complete = False
downloader = Downloader(self._url)
downloader.connect('complete', self._downloader_complete_cb)
getattr(downloader, method)(**kwargs)
while not self._complete:
Gtk.main_iteration()
if isinstance(self._result, Exception):
raise self._result
def _do_download(self, method, **kwargs):
# set up Downloader, call method on it with given kwargs, wait for
# response
self._complete = False
downloader = Downloader(self._url)
downloader.connect('complete', self._downloader_complete_cb)
getattr(downloader, method)(**kwargs)
while not self._complete:
Gtk.main_iteration()
if isinstance(self._result, Exception):
raise self._result
def check(self, bundle):
# ASLO knows only about stable SP releases
major, minor = config.version.split('.')[0:2]
sp_version = '%s.%s' % (major, int(minor) + int(minor) % 2)
url = '%s?id=%s&appVersion=%s' % \
(_UPDATE_PATH, bundle.get_bundle_id(), sp_version)
self._bundle = bundle
_logger.debug('Fetch %s', url)
self._downloader = Downloader(url)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download()
def fetch_update_info(self, installed_bundles, auto, progress_cb,
completion_cb, error_cb):
self._completion_cb = completion_cb
self._progress_cb = progress_cb
self._error_cb = error_cb
self._bundles = installed_bundles
self._progress_cb('', 0) # Set the status to 'Looking for updates'
settings = Gio.Settings('org.sugarlabs.update')
data_json_url = settings.get_string('new-aslo-url')
self._downloader = Downloader(data_json_url)
self._downloader.connect('complete',
self.__data_json_download_complete_cb)
self._downloader.download()
def _check_next_update(self):
if self._cancelling or len(self._bundles_to_check) == 0:
self._completion_cb(self._updates)
return
total = self._total_bundles_to_check
current = total - len(self._bundles_to_check)
progress = current / float(total)
self._bundle_update = self._bundles_to_check.pop()
_logger.debug("Check %s", self._bundle_update.bundle_id)
# There is no need for a special name lookup for an automatic update.
# The name lookup is only for UI purposes, but we are running in the
# background.
if self._bundle_update.name is None and self._auto:
self._bundle_update.name = self._bundle_update.bundle_id
if self._bundle_update.name is not None:
# if we know the name, we just perform an asynchronous size check
_logger.debug("Performing async size lookup")
size_check = Downloader(self._bundle_update.link)
size_check.connect('complete', self._size_lookup_cb)
size_check.get_size()
self._progress_cb(self._bundle_update.name, progress)
else:
# if we don't know the name, we run a metadata lookup and get
# the size and name that way
_logger.debug("Performing metadata lookup")
namelookup = MetadataLookup(self._bundle_update.link)
namelookup.connect('complete', self._name_lookup_complete)
namelookup.run()
self._progress_cb(self._bundle_update.bundle_id, progress)
def check(self, bundle):
# ASLO knows only about stable SP releases
major, minor = config.version.split(".")[0:2]
sp_version = "%s.%s" % (major, int(minor) + int(minor) % 2)
url = "%s?id=%s&appVersion=%s" % (_UPDATE_PATH, bundle.get_bundle_id(), sp_version)
self._bundle = bundle
_logger.debug("Fetch %s", url)
self._downloader = Downloader(url)
self._downloader.connect("complete", self.__downloader_complete_cb)
self._downloader.download()
def _download_next_update(self):
if self._cancelling:
self._finished(True)
return
if len(self._bundles_to_update) == 0:
self._finished()
return
self._state = STATE_DOWNLOADING
self._bundle_update = self._bundles_to_update.pop()
_logger.debug("Downloading update for %s",
self._bundle_update.bundle_id)
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
self._downloader = Downloader(self._bundle_update.link)
self._downloader.connect('progress', self.__downloader_progress_cb)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download_to_temp()
def test_download_to_temp(self):
downloader = Downloader("http://0.0.0.0:%d/data/test.txt" % self._port)
self._complete = False
downloader.connect('complete', self.download_complete_cb)
downloader.download_to_temp()
while not self._complete:
Gtk.main_iteration()
self.assertIsNone(self._result)
path = downloader.get_local_file_path()
text = open(path, "r").read()
self.assertEqual("hello\n", text)
def test_get_size(self):
downloader = Downloader("http://0.0.0.0:%d/data/test.txt" % self._port)
self._complete = False
downloader.connect('complete', self.download_complete_cb)
downloader.get_size()
while not self._complete:
Gtk.main_iteration()
self.assertEqual(6, self._result)
def fetch_update_info(self, installed_bundles, auto, progress_cb,
completion_cb, error_cb):
self._completion_cb = completion_cb
self._progress_cb = progress_cb
self._error_cb = error_cb
self._bundles = installed_bundles
self._progress_cb('', 0) # Set the status to 'Looking for updates'
settings = Gio.Settings('org.sugarlabs.update')
data_json_url = settings.get_string('new-aslo-url')
self._downloader = Downloader(data_json_url)
self._downloader.connect('complete',
self.__data_json_download_complete_cb)
self._downloader.download()
def _query(self):
self.clean()
settings = Gio.Settings.new(_MICROFORMAT_URL_PATH)
url = settings.get_string(_MICROFORMAT_URL_KEY)
_logger.debug("Query %s %r", url, url)
if url == "":
self._completion_cb([])
return
self._parser = _UpdateHTMLParser(url)
# wiki.laptop.org have agresive cache, we set max-age=600
# to be sure the page is no older than 10 minutes
request_headers = {'Cache-Control': 'max-age=600'}
downloader = Downloader(url, request_headers=request_headers)
downloader.connect('got-chunk', self._got_chunk_cb)
downloader.connect('complete', self._complete_cb)
downloader.download_chunked()
self._progress_cb(None, 0)
def test_download_to_temp(self):
downloader = Downloader("http://0.0.0.0:%d/data/test.txt" % self._port)
self._complete = False
downloader.connect('complete', self.download_complete_cb)
downloader.download_to_temp()
while not self._complete:
Gtk.main_iteration()
self.assertIsNone(self._result)
path = downloader.get_local_file_path()
text = open(path, "r").read()
self.assertEqual("hello\n", text)
def _query(self):
self.clean()
settings = Gio.Settings(_MICROFORMAT_URL_PATH)
url = settings.get_string(_MICROFORMAT_URL_KEY)
_logger.debug("Query %s %r", url, url)
if url == "":
self._completion_cb([])
return
self._parser = _UpdateHTMLParser(url)
# wiki.laptop.org have agresive cache, we set max-age=600
# to be sure the page is no older than 10 minutes
request_headers = {'Cache-Control': 'max-age=600'}
downloader = Downloader(url, request_headers=request_headers)
downloader.connect('got-chunk', self._got_chunk_cb)
downloader.connect('complete', self._complete_cb)
downloader.download_chunked()
self._progress_cb(None, 0)
def _download_next_update(self):
if self._cancelling:
self._finished(True)
return
if len(self._bundles_to_update) == 0:
self._finished()
return
self._state = STATE_DOWNLOADING
self._bundle_update = self._bundles_to_update.pop()
_logger.debug("Downloading update for %s",
self._bundle_update.bundle_id)
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
self._downloader = Downloader(self._bundle_update.link)
self._downloader.connect('progress', self.__downloader_progress_cb)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download_to_temp()
class NewAsloUpdater(object):
"""
Checks for updates using the new ASLO's update.json file
"""
def __init__(self):
self._completion_cb = None
self._progress_cb = None
self._error_cb = None
self._bundles = []
self._downloader = None
self._canceled = False
def fetch_update_info(self, installed_bundles, auto, progress_cb,
completion_cb, error_cb):
self._completion_cb = completion_cb
self._progress_cb = progress_cb
self._error_cb = error_cb
self._bundles = installed_bundles
self._progress_cb('', 0) # Set the status to 'Looking for updates'
settings = Gio.Settings('org.sugarlabs.update')
data_json_url = settings.get_string('new-aslo-url')
self._downloader = Downloader(data_json_url)
self._downloader.connect('complete',
self.__data_json_download_complete_cb)
self._downloader.download()
def __data_json_download_complete_cb(self, downloader, result):
if self._canceled:
return
try:
activities = json.loads(result.get_data())['activities']
except ValueError:
self._error_cb('Can not parse loaded update.json')
return
updates = []
for i, bundle in enumerate(self._bundles):
self._progress_cb(bundle.get_name(), i/len(self._bundles))
if bundle.get_bundle_id() not in activities:
logging.debug('%s not in activities' % bundle.get_bundle_id())
continue
activity = activities[bundle.get_bundle_id()]
try:
version = NormalizedVersion(str(activity['version']))
min_sugar = NormalizedVersion(str(activity['minSugarVersion']))
except KeyError:
logging.debug('KeyError - %s' % bundle.get_bundle_id())
continue
except InvalidVersionError:
logging.debug('InvalidVersion - %s' % bundle.get_bundle_id())
continue
if NormalizedVersion(bundle.get_activity_version()) >= version:
logging.debug('%s is up to date' % bundle.get_bundle_id())
continue
if NormalizedVersion(config.version) < min_sugar:
logging.debug('Upgrade sugar for %s' % bundle.get_bundle_id())
continue
logging.debug('Marked for update: %s' % bundle.get_bundle_id())
u = BundleUpdate(bundle.get_bundle_id(), bundle.get_name(),
version,
activity['xo_url'],
activity.get('xo_size', 1024 * 2))
updates.append(u)
self._completion_cb(updates)
def cancel(self):
self._canceled = True
if self._downloader:
self._downloader.cancel()
self._completion_cb(None)
def clean(self):
self._canceled = False
class Updater(GObject.GObject):
__gtype_name__ = 'SugarUpdater'
__gsignals__ = {
'updates-available': (GObject.SignalFlags.RUN_FIRST,
None,
(object,)),
'progress': (GObject.SignalFlags.RUN_FIRST,
None,
(int, str, float)),
'finished': (GObject.SignalFlags.RUN_FIRST,
None,
(object, object, bool))
}
def __init__(self):
GObject.GObject.__init__(self)
settings = Gio.Settings(_UPDATE_KEYS_PATH)
backend = settings.get_string(_UPDATE_BACKEND_KEY)
module_name, class_name = backend.rsplit('.', 1)
_logger.debug("Use backend %s.%s", module_name, class_name)
module = importlib.import_module("jarabe.model.update." + module_name)
self._model = getattr(module, class_name)()
self._updates = None
self._bundles_to_update = None
self._total_bundles_to_update = 0
self._bundle_update = None
self._bundles_updated = None
self._bundles_failed = None
self._downloader = None
self._cancelling = False
self._state = STATE_IDLE
self._auto = False
def get_state(self):
return self._state
def trigger_automatic_update(self):
if self._state == STATE_IDLE:
_logger.debug("Starting automatic activity update")
self.check_updates(True)
def check_updates(self, auto=False):
if self._state not in (STATE_IDLE, STATE_CHECKED):
raise UpdaterStateException()
self._auto = auto
self._updates = []
self._bundles_updated = []
self._bundles_failed = []
self._state = STATE_CHECKING
bundles = list(bundleregistry.get_registry())
self._model.fetch_update_info(bundles, auto,
self._backend_progress_cb,
self._backend_finished_cb)
def _backend_progress_cb(self, bundle_name, progress):
self.emit('progress', self._state, bundle_name, progress)
def _backend_finished_cb(self, updates):
_logger.debug("_backend_finished_cb")
if self._cancelling:
self._finished(True)
return
self._updates = updates
self._state = STATE_CHECKED
if self._auto:
self.update(None)
else:
self.emit('updates-available', self._updates)
def update(self, bundle_ids):
if self._state != STATE_CHECKED:
raise UpdaterStateException()
if bundle_ids is None:
self._bundles_to_update = self._updates
else:
self._bundles_to_update = []
for bundle_update in self._updates:
if bundle_update.bundle_id in bundle_ids:
self._bundles_to_update.append(bundle_update)
self._total_bundles_to_update = len(self._bundles_to_update)
_logger.debug("Starting update of %d activities",
self._total_bundles_to_update)
self._download_next_update()
def _download_next_update(self):
if self._cancelling:
self._finished(True)
return
if len(self._bundles_to_update) == 0:
self._finished()
return
self._state = STATE_DOWNLOADING
self._bundle_update = self._bundles_to_update.pop()
_logger.debug("Downloading update for %s",
self._bundle_update.bundle_id)
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
self._downloader = Downloader(self._bundle_update.link)
self._downloader.connect('progress', self.__downloader_progress_cb)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download_to_temp()
def __downloader_complete_cb(self, downloader, result):
if self._cancelling:
self._cleanup_downloader()
self._finished(True)
return
if isinstance(result, Exception):
_logger.error('Error downloading update: %s', result)
self._cleanup_downloader()
self._bundles_failed.append(self._bundle_update)
self._download_next_update()
else:
self._install_update(self._bundle_update,
self._downloader.get_local_file_path())
self._downloader = None
def __downloader_progress_cb(self, downloader, progress):
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2 + progress
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
def _install_update(self, bundle_update, local_file_path):
self._state = STATE_UPDATING
total = self._total_bundles_to_update
current = total - len(self._bundles_to_update) - 0.5
progress = current / float(total)
_logger.debug("Installing update for %s", bundle_update.bundle_id)
self.emit('progress', self._state, bundle_update.name, progress)
current += 0.5
bundle = bundle_from_archive(local_file_path)
registry = bundleregistry.get_registry()
registry.install_async(bundle, self._bundle_installed_cb, current)
def _bundle_installed_cb(self, bundle, result, progress):
_logger.debug("%s installed: %r", bundle.get_bundle_id(), result)
progress = progress / float(self._total_bundles_to_update)
self.emit('progress', self._state, bundle.get_name(), progress)
# Remove downloaded bundle archive
try:
os.unlink(bundle.get_path())
except OSError:
pass
if result is True:
self._bundles_updated.append(bundle)
else:
self._bundles_failed.append(bundle)
# do it in idle so the UI has a chance to refresh
GLib.idle_add(self._download_next_update)
def _finished(self, cancelled=False):
self._state = STATE_IDLE
self._cancelling = False
_logger.debug("Update finished")
self.emit('finished', self._bundles_updated, self._bundles_failed,
cancelled)
if not cancelled and len(self._bundles_failed) == 0:
settings = Gio.Settings(_UPDATE_KEYS_PATH)
settings.set_int(_LAST_UPDATE_KEY, time.time())
try:
os.unlink(_URGENT_TRIGGER_FILE)
except OSError:
pass
def cancel(self):
# From STATE_CHECKED we can cancel immediately.
if self._state == STATE_CHECKED:
self._state = STATE_IDLE
return
self._cancelling = True
self._model.cancel()
if self._downloader:
self._downloader.cancel()
def _cleanup_downloader(self):
if self._downloader is None:
return
file_path = self._downloader.get_local_file_path()
if file_path is not None:
try:
os.unlink(file_path)
except OSError:
pass
class _UpdateChecker(GObject.GObject):
__gsignals__ = {
'check-complete': (GObject.SignalFlags.RUN_FIRST, None, (object,)),
}
_CHUNK_SIZE = 10240
def __init__(self):
GObject.GObject.__init__(self)
self._bundle = None
def check(self, bundle):
# ASLO knows only about stable SP releases
major, minor = config.version.split('.')[0:2]
sp_version = '%s.%s' % (major, int(minor) + int(minor) % 2)
url = '%s?id=%s&appVersion=%s' % \
(_UPDATE_PATH, bundle.get_bundle_id(), sp_version)
self._bundle = bundle
_logger.debug('Fetch %s', url)
self._downloader = Downloader(url)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download()
def __downloader_complete_cb(self, downloader, result):
if isinstance(result, Exception):
self.emit('check-complete', result)
return
if result is None:
_logger.error('No XML update data returned from ASLO')
return
document = XML(result.get_data())
if document.find(_FIND_DESCRIPTION) is None:
_logger.debug('Bundle %s not available in the server for the '
'version %s',
self._bundle.get_bundle_id(),
config.version)
version = None
link = None
size = None
self.emit('check-complete', None)
return
try:
version = NormalizedVersion(document.find(_FIND_VERSION).text)
except InvalidVersionError:
_logger.exception('Exception occurred while parsing version')
self.emit('check-complete', None)
return
link = document.find(_FIND_LINK).text
try:
size = long(document.find(_FIND_SIZE).text) * 1024
except ValueError:
_logger.exception('Exception occurred while parsing size')
size = 0
if version > NormalizedVersion(self._bundle.get_activity_version()):
result = BundleUpdate(self._bundle.get_bundle_id(),
self._bundle.get_name(), version, link, size)
else:
result = None
self.emit('check-complete', result)
class NewAsloUpdater(object):
"""
Checks for updates using the new ASLO's update.json file
"""
def __init__(self):
self._completion_cb = None
self._progress_cb = None
self._error_cb = None
self._bundles = []
self._downloader = None
self._canceled = False
def fetch_update_info(self, installed_bundles, auto, progress_cb,
completion_cb, error_cb):
self._completion_cb = completion_cb
self._progress_cb = progress_cb
self._error_cb = error_cb
self._bundles = installed_bundles
self._progress_cb('', 0) # Set the status to 'Looking for updates'
settings = Gio.Settings('org.sugarlabs.update')
data_json_url = settings.get_string('new-aslo-url')
self._downloader = Downloader(data_json_url)
self._downloader.connect('complete',
self.__data_json_download_complete_cb)
self._downloader.download()
def __data_json_download_complete_cb(self, downloader, result):
if self._canceled:
return
try:
activities = json.loads(result.get_data())['activities']
except ValueError:
self._error_cb('Can not parse loaded update.json')
return
updates = []
for i, bundle in enumerate(self._bundles):
self._progress_cb(bundle.get_name(), i/len(self._bundles))
if bundle.get_bundle_id() not in activities:
logging.debug('%s not in activities' % bundle.get_bundle_id())
continue
activity = activities[bundle.get_bundle_id()]
try:
version = NormalizedVersion(str(activity['version']))
min_sugar = NormalizedVersion(str(activity['minSugarVersion']))
except KeyError:
logging.debug('KeyError - %s' % bundle.get_bundle_id())
continue
except InvalidVersionError:
logging.debug('InvalidVersion - %s' % bundle.get_bundle_id())
continue
if NormalizedVersion(bundle.get_activity_version()) >= version:
logging.debug('%s is up to date' % bundle.get_bundle_id())
continue
if NormalizedVersion(config.version) < min_sugar:
logging.debug('Upgrade sugar for %s' % bundle.get_bundle_id())
continue
logging.debug('Marked for update: %s' % bundle.get_bundle_id())
u = BundleUpdate(bundle.get_bundle_id(), bundle.get_name(),
version,
activity['xo_url'],
activity.get('xo_size', 1024 * 2))
updates.append(u)
self._completion_cb(updates)
def cancel(self):
self._canceled = True
if self._downloader:
self._downloader.cancel()
self._completion_cb(None)
def clean(self):
self._canceled = False
class _UpdateChecker(GObject.GObject):
__gsignals__ = {
'check-complete': (GObject.SignalFlags.RUN_FIRST, None, (object, )),
}
_CHUNK_SIZE = 10240
def __init__(self):
GObject.GObject.__init__(self)
self._bundle = None
def check(self, bundle):
# ASLO knows only about stable SP releases
major, minor = config.version.split('.')[0:2]
sp_version = '%s.%s' % (major, int(minor) + int(minor) % 2)
url = '%s?id=%s&appVersion=%s' % \
(_UPDATE_PATH, bundle.get_bundle_id(), sp_version)
self._bundle = bundle
_logger.debug('Fetch %s', url)
self._downloader = Downloader(url)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download()
def __downloader_complete_cb(self, downloader, result):
if isinstance(result, Exception):
self.emit('check-complete', result)
return
if result is None:
_logger.error('No XML update data returned from ASLO')
return
document = XML(result.get_data())
if document.find(_FIND_DESCRIPTION) is None:
_logger.debug(
'Bundle %s not available in the server for the '
'version %s', self._bundle.get_bundle_id(), config.version)
version = None
link = None
size = None
self.emit('check-complete', None)
return
try:
version = NormalizedVersion(document.find(_FIND_VERSION).text)
except InvalidVersionError:
_logger.exception('Exception occurred while parsing version')
self.emit('check-complete', None)
return
link = document.find(_FIND_LINK).text
try:
size = long(document.find(_FIND_SIZE).text) * 1024
except ValueError:
_logger.exception('Exception occurred while parsing size')
size = 0
if version > NormalizedVersion(self._bundle.get_activity_version()):
result = BundleUpdate(self._bundle.get_bundle_id(),
self._bundle.get_name(), version, link, size)
else:
result = None
self.emit('check-complete', result)
class Updater(GObject.GObject):
__gtype_name__ = 'SugarUpdater'
__gsignals__ = {
'updates-available': (GObject.SignalFlags.RUN_FIRST, None, (object, )),
'progress': (GObject.SignalFlags.RUN_FIRST, None, (int, str, float)),
'finished':
(GObject.SignalFlags.RUN_FIRST, None, (object, object, bool))
}
def __init__(self):
GObject.GObject.__init__(self)
client = GConf.Client.get_default()
backend = client.get_string(_UPDATE_BACKEND_KEY)
module_name, class_name = backend.rsplit('.', 1)
_logger.debug("Use backend %s.%s", module_name, class_name)
module = importlib.import_module("jarabe.model.update." + module_name)
self._model = getattr(module, class_name)()
self._updates = None
self._bundles_to_update = None
self._total_bundles_to_update = 0
self._bundle_update = None
self._bundles_updated = None
self._bundles_failed = None
self._downloader = None
self._cancelling = False
self._state = STATE_IDLE
self._auto = False
def get_state(self):
return self._state
def trigger_automatic_update(self):
if self._state == STATE_IDLE:
_logger.debug("Starting automatic activity update")
self.check_updates(True)
def check_updates(self, auto=False):
if self._state not in (STATE_IDLE, STATE_CHECKED):
raise UpdaterStateException()
self._auto = auto
self._updates = []
self._bundles_updated = []
self._bundles_failed = []
self._state = STATE_CHECKING
bundles = list(bundleregistry.get_registry())
self._model.fetch_update_info(bundles, auto, self._backend_progress_cb,
self._backend_finished_cb)
def _backend_progress_cb(self, bundle_name, progress):
self.emit('progress', self._state, bundle_name, progress)
def _backend_finished_cb(self, updates):
_logger.debug("_backend_finished_cb")
if self._cancelling:
self._finished(True)
return
self._updates = updates
self._state = STATE_CHECKED
if self._auto:
self.update(None)
else:
self.emit('updates-available', self._updates)
def update(self, bundle_ids):
if self._state != STATE_CHECKED:
raise UpdaterStateException()
if bundle_ids is None:
self._bundles_to_update = self._updates
else:
self._bundles_to_update = []
for bundle_update in self._updates:
if bundle_update.bundle_id in bundle_ids:
self._bundles_to_update.append(bundle_update)
self._total_bundles_to_update = len(self._bundles_to_update)
_logger.debug("Starting update of %d activities",
self._total_bundles_to_update)
self._download_next_update()
def _download_next_update(self):
if self._cancelling:
self._finished(True)
return
if len(self._bundles_to_update) == 0:
self._finished()
return
self._state = STATE_DOWNLOADING
self._bundle_update = self._bundles_to_update.pop()
_logger.debug("Downloading update for %s",
self._bundle_update.bundle_id)
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
self._downloader = Downloader(self._bundle_update.link)
self._downloader.connect('progress', self.__downloader_progress_cb)
self._downloader.connect('complete', self.__downloader_complete_cb)
self._downloader.download_to_temp()
def __downloader_complete_cb(self, downloader, result):
if self._cancelling:
self._cleanup_downloader()
self._finished(True)
return
if isinstance(result, Exception):
_logger.error('Error downloading update: %s', result)
self._cleanup_downloader()
self._bundles_failed.append(self._bundle_update)
self._download_next_update()
else:
self._install_update(self._bundle_update,
self._downloader.get_local_file_path())
self._downloader = None
def __downloader_progress_cb(self, downloader, progress):
total = self._total_bundles_to_update * 2
current = total - len(self._bundles_to_update) * 2 - 2 + progress
progress = current / float(total)
self.emit('progress', self._state, self._bundle_update.name, progress)
def _install_update(self, bundle_update, local_file_path):
self._state = STATE_UPDATING
total = self._total_bundles_to_update
current = total - len(self._bundles_to_update) - 0.5
progress = current / float(total)
_logger.debug("Installing update for %s", bundle_update.bundle_id)
self.emit('progress', self._state, bundle_update.name, progress)
current += 0.5
bundle = bundle_from_archive(local_file_path)
registry = bundleregistry.get_registry()
registry.install_async(bundle, self._bundle_installed_cb, current)
def _bundle_installed_cb(self, bundle, result, progress):
_logger.debug("%s installed: %r", bundle.get_bundle_id(), result)
progress = progress / float(self._total_bundles_to_update)
self.emit('progress', self._state, bundle.get_name(), progress)
# Remove downloaded bundle archive
try:
os.unlink(bundle.get_path())
except OSError:
pass
if result is True:
self._bundles_updated.append(bundle)
else:
self._bundles_failed.append(bundle)
# do it in idle so the UI has a chance to refresh
GLib.idle_add(self._download_next_update)
def _finished(self, cancelled=False):
self._state = STATE_IDLE
self._cancelling = False
_logger.debug("Update finished")
self.emit('finished', self._bundles_updated, self._bundles_failed,
cancelled)
if not cancelled and len(self._bundles_failed) == 0:
client = GConf.Client.get_default()
client.set_int(_LAST_UPDATE_KEY, time.time())
try:
os.unlink(_URGENT_TRIGGER_FILE)
except OSError:
pass
def cancel(self):
# From STATE_CHECKED we can cancel immediately.
if self._state == STATE_CHECKED:
self._state = STATE_IDLE
return
self._cancelling = True
self._model.cancel()
if self._downloader:
self._downloader.cancel()
def _cleanup_downloader(self):
if self._downloader is None:
return
file_path = self._downloader.get_local_file_path()
if file_path is not None:
try:
os.unlink(file_path)
except OSError:
pass
