Python datastore.find函数代码示例

    def _resume_activity(self, text, pattern, name, day):
        logging.warning('Voice command: %s' % text)
        logging.warning('Activity: %s' % name)
        logging.warning('Day: %s' % day)

        properties = ['uid', 'title', 'icon-color', 'activity', 'activity_id',
                      'mime_type', 'mountpoint', 'timestamp']

        timestamp = None
        t = date.today()

        if not _(day) == _('journal'):
            if _(day) == _('yesterday'):
                delta = -1
            else:
                delta = abs(t.weekday() - _WEEK_DAYS.index(_(day))) - 7

            d = t + timedelta(days=delta)
            n = d + timedelta(days=1)
            start = time.mktime(d.timetuple())
            end = time.mktime(n.timetuple())
            timestamp = {'start': start, 'end':end}

        query = {}
        if name:
            query['activity'] = _NAME_TO_ID.get(_(name))
        if timestamp:
            query['timestamp'] = timestamp

        datastore.find(query, sorting=['+timestamp'],
                   limit=1,
                   properties=properties,
                   reply_handler=self.__get_last_activity_reply_handler_cb,
                   error_handler=self.__get_last_activity_error_handler_cb)

 def _get_last_activity_async(self, bundle_id, properties):
     query = {'activity': bundle_id}
     datastore.find(query, sorting=['+timestamp'],
                    limit=self._MAX_RESUME_ENTRIES,
                    properties=properties,
                    reply_handler=self.__get_last_activity_reply_handler_cb,
                    error_handler=self.__get_last_activity_error_handler_cb)

    def get_entry_info_format(self, query, mime):
        books = []
        if query is not None and len(query) > 0:
            ds_objects, num_objects = datastore.find(
                    {'mime_type': '%s' % mime,
                    'query': '*%s*' % query})
        else:
            ds_objects, num_objects = datastore.find(
                    {'mime_type': '%s' % mime})

        logging.error('Local search %d books found %s format', num_objects,
                    mime)
        for i in range(0, num_objects):
            entry = {}
            entry['title'] = ds_objects[i].metadata['title']
            entry['mime'] = ds_objects[i].metadata['mime_type']
            entry['object_id'] = ds_objects[i].object_id

            if 'author' in ds_objects[i].metadata:
                entry['author'] = ds_objects[i].metadata['author']
            else:
                entry['author'] = ''

            if 'publisher' in ds_objects[i].metadata:
                entry['dcterms_publisher'] = \
                    ds_objects[i].metadata['publisher']
            else:
                entry['dcterms_publisher'] = ''

            if 'language' in ds_objects[i].metadata:
                entry['dcterms_language'] = \
                    ds_objects[i].metadata['language']
            else:
                entry['dcterms_language'] = ''

            if 'source' in ds_objects[i].metadata:
                entry['source'] = \
                    ds_objects[i].metadata['source']
            else:
                entry['source'] = ''

            if entry['source'] in _SOURCES_CONFIG:
                repo_configuration = _SOURCES_CONFIG[entry['source']]
                summary_field = repo_configuration['summary_field']
                if 'summary' in ds_objects[i].metadata:
                    entry[summary_field] = ds_objects[i].metadata['summary']
                else:
                    entry[summary_field] = ''
            else:
                repo_configuration = None
            books.append(opds.Book(repo_configuration, entry, ''))
        return books

    def run_activity(self, bundle_id, resume_mode):
        if not resume_mode:
            registry = bundleregistry.get_registry()
            bundle = registry.get_bundle(bundle_id)
            misc.launch(bundle)
            return

        self._activity_selected = bundle_id
        query = {'activity': bundle_id}
        properties = ['uid', 'title', 'icon-color', 'activity', 'activity_id',
                      'mime_type', 'mountpoint']
        datastore.find(query, sorting=['+timestamp'],
                       limit=1, properties=properties,
                       reply_handler=self.__get_last_activity_reply_handler_cb,
                       error_handler=self.__get_last_activity_error_handler_cb)

def get_rtf():
    dsobjects, nobjects = datastore.find({'mime_type': ['text/rtf',
                                                        'application/rtf']})
    paths = []
    for dsobject in dsobjects:
        paths.append(dsobject.file_path)
    return paths

def get_image():
    paths = []
    dsobjects, nobjects = datastore.find({'mime_type': ['image/png',
                                                        'image/jpeg']})
    for dsobject in dsobjects:
        paths.append(dsobject.file_path)
    return paths

 def _find_starred(self):
     ''' Find all the _stars in the Journal. '''
     self.dsobjects, self._nobjects = datastore.find({'keep': '1'})
     for dsobj in self.dsobjects:
         if self._found_obj_id(dsobj.object_id):
             continue  # Already have this object -- TODO: update it
         self._add_new_from_journal(dsobj)

def get_odt():
    dsobjects, nobjects = datastore.find(
        {'mime_type':
         ['application/vnd.oasis.opendocument.text']})
    paths = []
    for dsobject in dsobjects:
        paths.append(dsobject.file_path)
    return paths

def publish(activity, force=False):
    if not [i for i in book.custom.index if i['ready']]:
        alert = NotifyAlert(5)
        alert.props.title = _('Nothing to publish')
        alert.props.msg = _('Mark arcticles from "Custom" '
                            'panel and try again.')
        alert.connect('response', __alert_notify_response_cb, activity)
        activity.add_alert(alert)
        alert.show()
        return

    title = activity.metadata['title']
    jobject = datastore.find({
            'activity_id': activity.get_id(),
            'activity'   : book.custom.uid})[0] or None

    logger.debug('publish: title=%s jobject=%s force=%s' \
            % (title, jobject and jobject[0].metadata['activity'], force))

    if jobject:
        if force:
            jobject = jobject[0]
        else:
            alert = ConfirmationAlert()
            alert.props.title = _('Overwrite existed bundle?')
            alert.props.msg = _('A bundle for current object was already created. '
                                'Click "OK" to overwrite it.')
            alert.connect('response', __alert_response_cb, activity, True)
            activity.add_alert(alert)
            alert.show()
            jobject[0].destroy()
            return
    else:
        jobject = datastore.create()
        jobject.metadata['activity_id'] = activity.get_id()
        jobject.metadata['activity'] = book.custom.uid
        jobject.metadata['mime_type'] = 'application/vnd.olpc-content'
        jobject.metadata['description'] = \
                'This is a bundle containing articles on %s.\n' \
                'To view these articles, open the \'Browse\' Activity.\n' \
                'Go to \'Books\', and select \'%s\'.' % (title, title)

    book.custom.sync_article()
    book.custom.revision += 1

    jobject.metadata['title'] = title
    _publish(title, jobject)
    jobject.destroy()

    book.custom.sync_index()

    alert = NotifyAlert()
    alert.props.title = _('Book published to your Journal')
    alert.props.msg = _('You can read the book in Browse or '
                        'access the .xol file from your Journal')
    alert.connect('response', __alert_notify_response_cb, activity)
    activity.add_alert(alert)
    alert.show()

 def _activities(self):
     activities = {}
     entries, count = datastore.find(self._query())
     for entry in entries:
         activity_id = entry.metadata.get('activity', '')
         if activity_id not in activities:
             activities[activity_id] = []
         activities[activity_id].append(self._instance(entry))
     return activities

def get_most_recent_instance(bundle_id):
    dsobjects, nobjects = datastore.find({'activity': [bundle_id]})
    most_recent_time = -1
    most_recent_instance = None
    for activity in dsobjects:
        last_launch_time = get_last_launch_time(activity)
        if last_launch_time > most_recent_time:
            most_recent_time = get_last_launch_time(activity)
            most_recent_instance = activity
    return most_recent_instance

    def __init__(self, bundle, handle):
        """Initialise the handler

        bundle -- the ActivityBundle to launch
        activity_handle -- stores the values which are to
            be passed to the service to uniquely identify
            the activity to be created and the sharing
            service that may or may not be connected with it

            sugar3.activity.activityhandle.ActivityHandle instance

        calls the "create" method on the service for this
        particular activity type and registers the
        _reply_handler and _error_handler methods on that
        call's results.

        The specific service which creates new instances of this
        particular type of activity is created during the activity
        registration process in shell bundle registry which creates
        service definition files for each registered bundle type.

        If the file '/etc/olpc-security' exists, then activity launching
        will be delegated to the prototype 'Rainbow' security service.
        """
        GObject.GObject.__init__(self)

        self._bundle = bundle
        self._service_name = bundle.get_bundle_id()
        self._handle = handle

        bus = dbus.SessionBus()
        bus_object = bus.get_object(_SHELL_SERVICE, _SHELL_PATH)
        self._shell = dbus.Interface(bus_object, _SHELL_IFACE)

        if handle.activity_id is not None and handle.object_id is None:
            datastore.find({'activity_id': self._handle.activity_id},
                           reply_handler=self._find_object_reply_handler,
                           error_handler=self._find_object_error_handler)
        else:
            self._launch_activity()

    def load_journal_table(self):
        self.btn_save.props.sensitive = False
        self.btn_delete.props.sensitive = False
        query = {}
        ds_objects, num_objects = datastore.find(query, properties=['uid', 
            'title',  'mime_type'])

        self.ls_journal.clear()
        for i in xrange (0, num_objects, 1):
            iter = self.ls_journal.append()
            title = ds_objects[i].metadata['title']
            self.ls_journal.set(iter, COLUMN_TITLE, title)
            mime = ds_objects[i].metadata['mime_type']
            self.ls_journal.set(iter, COLUMN_MIME, mime)
            self.ls_journal.set(iter, COLUMN_JOBJECT, ds_objects[i])
            size = self.get_size(ds_objects[i]) / 1024
            self.ls_journal.set(iter, COLUMN_SIZE, size)

        v_adjustment = self.list_scroller_journal.get_vadjustment()
        v_adjustment.value = 0

def get_audio():
    paths = []
    dsobjects, nobjects = datastore.find({'mime_type': ['audio/ogg']})
    for dsobject in dsobjects:
        paths.append(dsobject.file_path)
    return paths

def get_activity(bundle_id):
    dsobjects, nobjects = datastore.find({'activity': [bundle_id]})
    return dsobjects