Python query.SearchQuerySet方法代碼示例

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def handle_delete(self, sender, instance, **kwargs):
        # modified from BaseSignalProcessor.handle_delete to force checking existence before removing from the index
        # (and getting an error message if it's not there).
        using_backends = self.connection_router.for_write(instance=instance)

        for using in using_backends:
            try:
                index = self.connections[using].get_unified_index().get_index(sender)

                # check to see if the object is actually in the index before removing:
                index.prepare(instance)
                ct = index.prepared_data['django_ct']
                obj_id = index.prepared_data['id']
                existing = SearchQuerySet().models(sender).filter(django_ct=ct, id=obj_id)

                if existing.count() > 0:
                    index.remove_object(instance, using=using)
            except NotHandled:
                pass 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def test_from_queryset(self):
        """ Verify that a DistinctCountsSearchQuerySet can be built from an existing SearchQuerySet."""
        course_1 = CourseFactory()
        CourseRunFactory(title='foo', course=course_1)
        CourseRunFactory(title='foo', course=course_1)

        course_2 = CourseFactory()
        CourseRunFactory(title='foo', course=course_2)
        CourseRunFactory(title='bar', course=course_2)

        queryset = SearchQuerySet().filter(title='foo').models(CourseRun)
        dc_queryset = DistinctCountsSearchQuerySet.from_queryset(queryset)

        expected = sorted([run.key for run in queryset])
        actual = sorted([run.key for run in dc_queryset])
        assert expected == actual 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def test_with_distinct_counts_raises_when_queryset_includes_unsupported_options(self):
        """
        Verify that an error is raised if the original queryset includes options that are not supported by our
        custom Query class.
        """
        dc_queryset = DistinctCountsSearchQuerySet.from_queryset(SearchQuerySet())

        with pytest.raises(RuntimeError) as err:
            now = datetime.datetime.now()
            ten_days = datetime.timedelta(days=10)
            start = now - ten_days
            end = now + ten_days
            dc_queryset.date_facet('start', start, end, 'day').with_distinct_counts('aggregation_key')
        assert str(err.value) == 'DistinctCountsSearchQuery does not support date facets.'

        with pytest.raises(RuntimeError) as err:
            dc_queryset.facet('pacing_type', order='term').with_distinct_counts('aggregation_key')
        assert 'DistinctCountsSearchQuery only supports a limited set of field facet options.' in str(err.value) 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def test_enrollable_paid_seat_boosting(self, has_enrollable_paid_seats, paid_seat_enrollment_end, expects_boost):
        """
        Verify that CourseRuns for which an unenrolled user may enroll and
        purchase a paid Seat are boosted.
        """

        # Create a control record (one that should never be boosted).
        with patch.object(CourseRun, 'has_enrollable_paid_seats', return_value=False):
            with patch.object(CourseRun, 'get_paid_seat_enrollment_end', return_value=None):
                self.build_normalized_course_run(title='test1')

        # Create the test record (may be boosted).
        with patch.object(CourseRun, 'has_enrollable_paid_seats', return_value=has_enrollable_paid_seats):
            with patch.object(CourseRun, 'get_paid_seat_enrollment_end', return_value=paid_seat_enrollment_end):
                test_record = self.build_normalized_course_run(title='test2')

        search_results = SearchQuerySet().models(CourseRun).all()
        assert len(search_results) == 2

        if expects_boost:
            assert search_results[0].score > search_results[1].score
            assert test_record.title == search_results[0].title
        else:
            assert search_results[0].score == search_results[1].score 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def test_enrollable_course_run_boosting(self, enrollment_start, enrollment_end, expects_boost):
        """Verify that enrollable CourseRuns are boosted."""

        # Create a control record that should never be boosted
        self.build_normalized_course_run(title='test1')

        # Create the test record
        test_record = self.build_normalized_course_run(
            title='test2',
            enrollment_start=enrollment_start,
            enrollment_end=enrollment_end
        )

        search_results = SearchQuerySet().models(CourseRun).all()
        assert len(search_results) == 2

        if expects_boost:
            assert search_results[0].score > search_results[1].score
            assert test_record.title == search_results[0].title
        else:
            assert search_results[0].score == search_results[1].score 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def search(cls, query, queryset=None):
        """ Queries the search index.

        Args:
            query (str) -- Elasticsearch querystring (e.g. `title:intro*`)
            queryset (models.QuerySet) -- base queryset to search, defaults to objects.all()

        Returns:
            QuerySet
        """
        query = clean_query(query)

        if queryset is None:
            queryset = cls.objects.all()

        if query == '(*)':
            # Early-exit optimization. Wildcard searching is very expensive in elasticsearch. And since we just
            # want everything, we don't need to actually query elasticsearch at all.
            return queryset

        results = SearchQuerySet().models(cls).raw_search(query)
        ids = {result.pk for result in results}

        return queryset.filter(pk__in=ids) 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def solr_counts():
    total_q = SearchQuerySet()
    latest_q = total_q.filter(latest=True)
    registrations_q = latest_q.filter(category="entity_status::ACT")
    last_24h = datetime.now() - timedelta(days=1)
    last_week = datetime.now() - timedelta(days=7)
    last_month = datetime.now() - timedelta(days=30)
    last_24h_q = total_q.filter(create_timestamp__gte=last_24h)
    last_week_q = total_q.filter(create_timestamp__gte=last_week)
    last_month_q = total_q.filter(create_timestamp__gte=last_month)
    try:
        return {
            "total_indexed_items": total_q.count(),
            "active": latest_q.count(),
            "registrations": registrations_q.count(),
            "last_month": last_month_q.count(),
            "last_week": last_week_q.count(),
            "last_24h": last_24h_q.count(),
        }
    except SolrError:
        LOGGER.exception("Error when retrieving quickload counts from Solr")
        return False 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def list(self, request):
        search_string = request.query_params.get('q')
        if search_string:
            try:
                book = models.Book.objects.get_for_user(self.request.user)
            except models.Book.DoesNotExist:
                # rethink the logic here - how could a user not have a book?
                return Response(
                    "No contacts for user",
                    status=status.HTTP_400_BAD_REQUEST,
                )
            results = SearchQuerySet().filter(book=book.id).filter(
                SQ(name=AutoQuery(search_string)) | SQ(content=AutoQuery(search_string))
            )
            results = [result.object for result in results]
        else:
            results = models.Contact.objects.get_contacts_for_user(
                self.request.user,
            )
        serializer = serializers.ContactSerializer(results, many=True)
        return Response(serializer.data) 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def solr_counts():
    total_q = SearchQuerySet()
    latest_q = total_q.filter(latest=True)
    registrations_q = latest_q.filter(category="entity_status::ACT")
    last_24h = datetime.now() - timedelta(days=1)
    last_week = datetime.now() - timedelta(days=7)
    last_month = datetime.now() - timedelta(days=30)
    last_24h_q = total_q.filter(create_timestamp__gte=last_24h)
    last_week_q = total_q.filter(create_timestamp__gte=last_week)
    last_month_q = total_q.filter(create_timestamp__gte=last_month)
    try:
        return {
            "total": total_q.count(),
            "active": latest_q.count(),
            "registrations": registrations_q.count(),
            "last_month": last_month_q.count(),
            "last_week": last_week_q.count(),
            "last_24h": last_24h_q.count(),
        }
    except SolrError:
        LOGGER.exception("Error when retrieving quickload counts from Solr")
        return False 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def handle(self, *args, **options):
        sqs = SearchQuerySet()

        users = sqs.models(User).all().count()
        images = sqs.models(Image).all().count()

        integration = 0
        for i in sqs.models(Image).all():
            integration += i.integration
        integration = int(integration / 3600.0)

        gs = GlobalStat(
            users = users,
            images = images,
            integration = integration)
        gs.save() 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def update_top100_ids():
    from astrobin.models import Image

    LOCK_EXPIRE = 60 * 5  # Lock expires in 5 minutes
    lock_id = 'top100_ids_lock'

    # cache.add fails if the key already exists
    acquire_lock = lambda: cache.add(lock_id, 'true', LOCK_EXPIRE)
    # memcache delete is very slow, but we have to use it to take
    # advantage of using add() for atomic locking
    release_lock = lambda: cache.delete(lock_id)

    logger.debug('Building Top100 ids...')
    if acquire_lock():
        try:
            sqs = SearchQuerySet().models(Image).order_by('-likes')
            top100_ids = [int(x.pk) for x in sqs][:100]
            cache.set('top100_ids', top100_ids, 60 * 60 * 24)
        finally:
            release_lock()
        return

    logger.debug(
        'Top100 ids task is already being run by another worker') 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def global_stats():
    from astrobin.models import Image, GlobalStat
    sqs = SearchQuerySet()

    users = sqs.models(User).all().count()
    images = sqs.models(Image).all().count()

    integration = 0
    for i in sqs.models(Image).all():
        integration += i.integration
    integration = int(integration / 3600.0)

    gs = GlobalStat(
        users=users,
        images=images,
        integration=integration)
    gs.save() 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def handle_item(self, item):
        """Perform MLT-query on item"""
        sqs = SearchQuerySet().models(self.model)
        mlt_results = sqs.more_like_this(item)
        saved = []
        for result in mlt_results:  # type: SearchResult

            rel = self.model_relation(score=result.score)
            rel.set_relation(seed_id=item.pk, related_id=result.pk)
            rel.save()

            logger.debug('Saved %s' % rel)

            saved.append(rel)

        return saved 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def search(self):
        # First, store the SearchQuerySet received from other processing.
        sqs = super().search()

        if not self.is_valid():
            return self.no_query_found()

        # Custom date range filter
        # TODO can this be done with native-haystack?
        if 'start_date' in self.data:
            try:
                sqs = sqs.filter(date__gte=datetime.datetime.strptime(self.data.get('start_date'), '%Y-%m-%d'))
            except ValueError:
                logger.error('Invalid start_date')

        if 'end_date' in self.data:
            try:
                sqs = sqs.filter(date__lte=datetime.datetime.strptime(self.data.get('end_date'), '%Y-%m-%d'))
            except ValueError as e:
                logger.error('Invalid end_date')

        return sqs 

# 需要導入模塊: from haystack import query [as 別名]
# 或者: from haystack.query import SearchQuerySet [as 別名]
def autocomplete_view(request):
    """Stub for auto-complete feature(title for all objects missing)

    """
    suggestions_limit = 5
    sqs = SearchQuerySet().autocomplete(title=request.GET.get('q', ''))[:suggestions_limit]

    # for result in sqs:  # type: SearchResult
    #     print(result.object)
    #     print(result.title)

    suggestions = [result.title for result in sqs]

    return JsonResponse({
        'results': suggestions
    })