Esempio n. 1
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)
Esempio n. 2
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    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)
Esempio n. 3
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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
Esempio n. 4
0
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