Пример #1
0
    def _check_repositories(self):
        '''Check if we have package repositories, and if not, offer to update.'''

        if self._dbus_iface.has_repositories():
            return

        if self.have_ui:
            success = False
            try:
                self._repository_progress_shown = False
                success = convert_dbus_exceptions(dbus_sync_call_signal_wrapper,
                        self._dbus_iface, 'update_repository_indexes',
                        {'repository_update_progress':
                            self._repository_progress_handler})
            finally:
                if self._repository_progress_shown:
                    self.ui_progress_finish()

            # check success
            if not success:
                self.error_message('', self._(
                    'Downloading package indexes failed, please check your network status. '
                    'Most drivers will not be available.'))
        else:
            # This happens when running in --check mode. We do not particularly
            # care about success here.
            convert_dbus_exceptions(self._dbus_iface.update_repository_indexes)
Пример #2
0
    def _check_repositories(self):
        '''Check if we have package repositories, and if not, offer to update.'''

        if self._dbus_iface.has_repositories():
            return

        if self.have_ui:
            success = False
            try:
                self._repository_progress_shown = False
                success = convert_dbus_exceptions(
                    dbus_sync_call_signal_wrapper, self._dbus_iface,
                    'update_repository_indexes', {
                        'repository_update_progress':
                        self._repository_progress_handler
                    })
            finally:
                if self._repository_progress_shown:
                    self.ui_progress_finish()

            # check success
            if not success:
                self.error_message(
                    '',
                    self.
                    _('Downloading package indexes failed, please check your network status. '
                      'Most drivers will not be available.'))
        else:
            # This happens when running in --check mode. We do not particularly
            # care about success here.
            convert_dbus_exceptions(self._dbus_iface.update_repository_indexes)
Пример #3
0
    def set_handler_enable(self, handler_id, action, confirm, gui=True):
        '''Enable, disable, or toggle a handler.

        action can be 'enable', 'disable', or 'toggle'. If confirm is True,
        this first presents a confirmation dialog. Then a progress dialog is
        presented for installation/removal of the handler.

        If gui is True, error messags and install progress will be shown
        in the GUI, otherwise just printed to stderr (CLI mode).

        Return True if anything was changed and thus the UI needs to be
        refreshed.
        '''
        try:
            i = convert_dbus_exceptions(self.backend().handler_info, handler_id)
        except UnknownHandlerException:
            self.error_msg('%s: %s' % (self.string_unknown_driver, handler_id))
            self.error_msg(self._('Use --list to see available drivers'))
            return False

        # determine new status
        if action == 'enable':
            enable = True
        elif action == 'disable':
            enable = False
        elif action == 'toggle':
            enable = not bool(i['enabled'])
        else:
            raise ValueError('invalid action %s; allowed are enable, disable, toggle')

        # check if we can change at all
        if 'can_change' in i:
            msg = i['can_change']
            if gui:
                self.error_message(self._('Cannot change driver'),
                    self._(msg))
            else:
                self.error_msg(self._(msg))
            return False

        # actually something to change?
        if enable == bool(i['enabled']):
            return False

        if confirm:
            # construct and ask confirmation question
            if enable:
                title = self._('Enable driver?')
                action = self.string_button_enable
            else:
                title = self._('Disable driver?')
                action = self.string_button_disable
            n = i['name'] # self._(i['name']) is misinterpreted by xgettext
            if not self.confirm_action(title, self._(n), 
                self._get_description_rationale_text(i), action):
                return False

        # go
        try:
            if gui:
                try:
                    self._install_progress_shown = False
                    convert_dbus_exceptions(dbus_sync_call_signal_wrapper, self.backend(),
                        'set_enabled',
                        {'install_progress': self._install_progress_handler, 
                         'remove_progress': self._remove_progress_handler}, 
                        handler_id, enable)
                finally:
                    if self._install_progress_shown:
                        self.ui_progress_finish()
            else:
                convert_dbus_exceptions(dbus_sync_call_signal_wrapper,
                        self.backend(), 'set_enabled', {}, handler_id, enable)
        except PermissionDeniedByPolicy:
            self.error_message('', self.string_unprivileged)
            return False
        except BackendCrashError:
            self._dbus_iface = None
            self.error_message('', '%s\n\n  https://launchpad.net/jockey/+filebug\n\n%s' % (
                self._('Sorry, the Jockey backend crashed. Please file a bug at:'),
                self._('Trying to recover by restarting backend.')))
            return False
        except SystemError as e:
            self.error_message('', str(e).strip().splitlines()[-1])
            return False

        newstate = bool(self.backend().handler_info(handler_id)['enabled'])

        if enable and not newstate:
            self.error_message('', '%s\n\n%s: /var/log/jockey.log' % (
                self._('Sorry, installation of this driver failed.'),
                self._('Please have a look at the log file for details')))

        return i['enabled'] != newstate
Пример #4
0
    def check(self):
        '''Notify the user about newly used or available drivers since last check().
        
        Return True if any new driver is available which is not yet enabled.
        '''
        # if the user is running Jockey with package installation or another
        # long-running task in parallel, the automatic --check invocation will
        # time out on this.
        try:
            convert_dbus_exceptions(self.backend)
        except Exception as e:
            print >> sys.stderr, 'Cannot connect to backend, is it busy?\n', e
            return False

        try:
            (new_used, new_avail) = convert_dbus_exceptions(
                    self.backend().new_used_available, self.argv_options.mode)
        except PermissionDeniedByPolicy:
            self.error_msg(self.string_unprivileged)
            return False

        # any new restricted drivers? also throw out the non-announced ones
        restricted_available = False
        for h_id in set(new_avail): # create copy
            info = self.backend().handler_info(h_id)
            if not bool(info['announce']):
                new_avail.remove(h_id)
                continue
            if not bool(info['free']):
                restricted_available = True
                break

        # throw out newly used free drivers; no need for education here
        for h_id in new_used + []: # create copy for iteration
            if bool(self.backend().handler_info(h_id)['free']):
                new_used.remove(h_id)

        notified = False

        # launch notifications if anything remains
        if new_avail or new_used:
            # defer UI initialization until here, since --check should not
            # spawn a progress dialog for searching drivers
            self.ui_init()
            self.have_ui = True

        if new_avail:
            if restricted_available:
                self.ui_notification(self._('Restricted drivers available'),
                    self._('In order to use your hardware more efficiently, you'
                    ' can enable drivers which are not free software.'))
            else:
                self.ui_notification(self._('New drivers available'),
                    self._('There are new or updated drivers available for '
                    'your hardware.'))
            notified = True
        elif new_used:
            self.ui_notification(self._('New restricted drivers in use'),
                # %(os)s stands for the OS name. Prefix it or suffix it,
                # but do not replace it.
                self._('In order for this computer to function properly, %(os)s is '
                'using driver software that cannot be supported by %(os)s.') % 
                    {'os': OSLib.inst.os_vendor})
            notified = True

        if notified:
            # we need to stay in the main loop so that the tray icon stays
            # around
            self.ui_main_loop()
            self.backend().shutdown()

        return len(new_avail) > 0
Пример #5
0
    def set_handler_enable(self, handler_id, action, confirm, gui=True):
        '''Enable, disable, or toggle a handler.

        action can be 'enable', 'disable', or 'toggle'. If confirm is True,
        this first presents a confirmation dialog. Then a progress dialog is
        presented for installation/removal of the handler.

        If gui is True, error messags and install progress will be shown
        in the GUI, otherwise just printed to stderr (CLI mode).

        Return True if anything was changed and thus the UI needs to be
        refreshed.
        '''
        try:
            i = convert_dbus_exceptions(self.backend().handler_info,
                                        handler_id)
        except UnknownHandlerException:
            self.error_msg('%s: %s' % (self.string_unknown_driver, handler_id))
            self.error_msg(self._('Use --list to see available drivers'))
            return False

        # determine new status
        if action == 'enable':
            enable = True
        elif action == 'disable':
            enable = False
        elif action == 'toggle':
            enable = not bool(i['enabled'])
        else:
            raise ValueError(
                'invalid action %s; allowed are enable, disable, toggle')

        # check if we can change at all
        if 'can_change' in i:
            msg = i['can_change']
            if gui:
                self.error_message(self._('Cannot change driver'), self._(msg))
            else:
                self.error_msg(self._(msg))
            return False

        # actually something to change?
        if enable == bool(i['enabled']):
            return False

        if confirm:
            # construct and ask confirmation question
            if enable:
                title = self._('Enable driver?')
                action = self.string_button_enable
            else:
                title = self._('Disable driver?')
                action = self.string_button_disable
            n = i['name']  # self._(i['name']) is misinterpreted by xgettext
            if not self.confirm_action(title, self._(n),
                                       self._get_description_rationale_text(i),
                                       action):
                return False

        # go
        try:
            if gui:
                try:
                    self._install_progress_shown = False
                    convert_dbus_exceptions(
                        dbus_sync_call_signal_wrapper, self.backend(),
                        'set_enabled', {
                            'install_progress': self._install_progress_handler,
                            'remove_progress': self._remove_progress_handler
                        }, handler_id, enable)
                finally:
                    if self._install_progress_shown:
                        self.ui_progress_finish()
            else:
                convert_dbus_exceptions(dbus_sync_call_signal_wrapper,
                                        self.backend(), 'set_enabled', {},
                                        handler_id, enable)
        except PermissionDeniedByPolicy:
            self.error_message('', self.string_unprivileged)
            return False
        except BackendCrashError:
            self._dbus_iface = None
            self.error_message(
                '', '%s\n\n  https://launchpad.net/jockey/+filebug\n\n%s' %
                (self.
                 _('Sorry, the Jockey backend crashed. Please file a bug at:'),
                 self._('Trying to recover by restarting backend.')))
            return False
        except SystemError as e:
            self.error_message('', str(e).strip().splitlines()[-1])
            return False

        newstate = bool(self.backend().handler_info(handler_id)['enabled'])

        if enable and not newstate:
            self.error_message(
                '', '%s\n\n%s: /var/log/jockey.log' %
                (self._('Sorry, installation of this driver failed.'),
                 self._('Please have a look at the log file for details')))

        return i['enabled'] != newstate
Пример #6
0
    def check(self):
        '''Notify the user about newly used or available drivers since last check().
        
        Return True if any new driver is available which is not yet enabled.
        '''
        # if the user is running Jockey with package installation or another
        # long-running task in parallel, the automatic --check invocation will
        # time out on this.
        try:
            convert_dbus_exceptions(self.backend)
        except Exception as e:
            print >> sys.stderr, 'Cannot connect to backend, is it busy?\n', e
            return False

        try:
            (new_used, new_avail) = convert_dbus_exceptions(
                self.backend().new_used_available, self.argv_options.mode)
        except PermissionDeniedByPolicy:
            self.error_msg(self.string_unprivileged)
            return False

        # any new restricted drivers? also throw out the non-announced ones
        restricted_available = False
        for h_id in set(new_avail):  # create copy
            info = self.backend().handler_info(h_id)
            if not bool(info['announce']):
                new_avail.remove(h_id)
                continue
            if not bool(info['free']):
                restricted_available = True
                break

        # throw out newly used free drivers; no need for education here
        for h_id in new_used + []:  # create copy for iteration
            if bool(self.backend().handler_info(h_id)['free']):
                new_used.remove(h_id)

        notified = False

        # launch notifications if anything remains
        if new_avail or new_used:
            # defer UI initialization until here, since --check should not
            # spawn a progress dialog for searching drivers
            self.ui_init()
            self.have_ui = True

        if new_avail:
            if restricted_available:
                self.ui_notification(
                    self._('Restricted drivers available'),
                    self._(
                        'In order to use your hardware more efficiently, you'
                        ' can enable drivers which are not free software.'))
            else:
                self.ui_notification(
                    self._('New drivers available'),
                    self._('There are new or updated drivers available for '
                           'your hardware.'))
            notified = True
        elif new_used:
            self.ui_notification(
                self._('New restricted drivers in use'),
                # %(os)s stands for the OS name. Prefix it or suffix it,
                # but do not replace it.
                self.
                _('In order for this computer to function properly, %(os)s is '
                  'using driver software that cannot be supported by %(os)s.'
                  ) % {'os': OSLib.inst.os_vendor})
            notified = True

        if notified:
            # we need to stay in the main loop so that the tray icon stays
            # around
            self.ui_main_loop()
            self.backend().shutdown()

        return len(new_avail) > 0