def setUp(self):
super(QueuedSearchIndexTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
call_command('clear_index', interactive=False, verbosity=0)
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
def setUp(self):
super(QueuedSearchIndexTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
call_command('clear_index', interactive=False, verbosity=0)
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
def setUp(self):
super(QueuedSearchIndexTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
back = backend.SearchBackend()
back.clear()
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
def setUp(self):
super(QueuedSearchIndexTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
back = backend.SearchBackend()
back.clear()
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
def handle_noargs(self, **options):
self.batchsize = options.get('batchsize', DEFAULT_BATCH_SIZE)
# Setup the queue.
self.queue = queues.Queue(get_queue_name()) #@UndefinedVariable
# Check if enough is there to process.
if not len(self.queue):
self.log.info("Not enough items in the queue to process.")
self.log.info("Starting to process the queue.")
# Consume the whole queue first so that we can group update/deletes
# for efficiency.
try:
while True:
message = self.queue.read()
if not message:
break
self.process_message(message)
except QueueException:
# We've run out of items in the queue.
pass
self.log.info("Queue consumed.")
try:
self.handle_updates()
self.handle_deletes()
except Exception, e:
self.log.error('Exception seen during processing: %s' % e)
self.requeue()
raise e
def setUp(self):
super(ProcessSearchQueueTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
call_command('clear_index', interactive=False, verbosity=0)
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
# Clear out and capture log messages.
AssertableHandler.stowed_messages = []
self.psqc = ProcessSearchQueueCommand()
def handle_noargs(self, **options):
self.batchsize = options.get('batchsize', DEFAULT_BATCH_SIZE) or 1000
self.using = options.get('using')
# Setup the queue.
self.queue = queues.Queue(get_queue_name())
# Check if enough is there to process.
if not len(self.queue):
self.log.info("Not enough items in the queue to process.")
self.log.info("Starting to process the queue.")
# Consume the whole queue first so that we can group update/deletes
# for efficiency.
try:
while True:
message = self.queue.read()
if not message:
break
self.process_message(message)
except QueueException:
# We've run out of items in the queue.
pass
self.log.info("Queue consumed.")
try:
self.handle_updates()
self.handle_deletes()
except Exception, e:
self.log.error('Exception seen during processing: %s' % e)
self.requeue()
raise e
def setUp(self):
super(ProcessSearchQueueTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
call_command('clear_index', interactive=False, verbosity=0)
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
# Clear out and capture log messages.
AssertableHandler.stowed_messages = []
self.psqc = ProcessSearchQueueCommand()
def setUp(self):
super(ProcessSearchQueueTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
back = backend.SearchBackend()
back.clear()
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
# Clear out and capture log messages.
AssertableHandler.stowed_messages = []
self.psqc = ProcessSearchQueueCommand()
def setUp(self):
super(ProcessSearchQueueTestCase, self).setUp()
# Nuke the queue.
queues.delete_queue(get_queue_name())
# Nuke the index.
back = backend.SearchBackend()
back.clear()
# Get a queue connection so we can poke at it.
self.queue = queues.Queue(get_queue_name())
# Clear out and capture log messages.
AssertableHandler.stowed_messages = []
self.psqc = ProcessSearchQueueCommand()
def test_delete(self):
note1 = Note.objects.create(
title='A test note',
content='Because everyone loves test data.',
author='Daniel'
)
note2 = Note.objects.create(
title='Another test note',
content='More test data.',
author='Daniel'
)
note3 = Note.objects.create(
title='Final test note',
content='The test data. All done.',
author='Joe'
)
# Dump the queue in preparation for the deletes.
queues.delete_queue(get_queue_name())
self.queue = queues.Queue(get_queue_name())
self.assertEqual(len(self.queue), 0)
note1.delete()
self.assertEqual(len(self.queue), 1)
note2.delete()
self.assertEqual(len(self.queue), 2)
note3.delete()
self.assertEqual(len(self.queue), 3)
# Pull the whole queue.
messages = []
try:
while True:
messages.append(self.queue.read())
except QueueException:
# We're out of queued bits.
pass
self.assertEqual(messages, [u'delete:notes.note.1', u'delete:notes.note.2', u'delete:notes.note.3'])
def enqueue(self, action, instance):
"""
Shoves a message about how to update the index into the queue.
This is a standardized string, resembling something like::
``update:notes.note.23``
# ...or...
``delete:weblog.entry.8``
"""
message = "%s:%s" % (action, get_identifier(instance))
queue = queues.Queue(get_queue_name())
return queue.write(message)
def enqueue(self, action, instance):
"""
Shoves a message about how to update the index into the queue.
This is a standardized string, resembling something like::
``update:notes.note.23``
# ...or...
``delete:weblog.entry.8``
"""
message = "%s:%s" % (action, get_identifier(instance))
queue = queues.Queue(get_queue_name())
return queue.write(message)
def test_delete(self):
note1 = Note.objects.create(
title='A test note',
content='Because everyone loves test data.',
author='Daniel')
note2 = Note.objects.create(title='Another test note',
content='More test data.',
author='Daniel')
note3 = Note.objects.create(title='Final test note',
content='The test data. All done.',
author='Joe')
# Dump the queue in preparation for the deletes.
queues.delete_queue(get_queue_name())
self.queue = queues.Queue(get_queue_name())
self.assertEqual(len(self.queue), 0)
note1.delete()
self.assertEqual(len(self.queue), 1)
note2.delete()
self.assertEqual(len(self.queue), 2)
note3.delete()
self.assertEqual(len(self.queue), 3)
# Pull the whole queue.
messages = []
try:
while True:
messages.append(self.queue.read())
except QueueException:
# We're out of queued bits.
pass
self.assertEqual(messages, [
u'delete:notes.note.1', u'delete:notes.note.2',
u'delete:notes.note.3'
])
from queues import queues
from queues import QueueException
from django.conf import settings
from django.db.models import signals
from haystack import indexes
from haystack.utils import get_identifier
from queued_search import get_queue_name
queue = queues.Queue(get_queue_name())
class QueuedSearchIndex(indexes.SearchIndex):
"""
A ``SearchIndex`` subclass that enqueues updates/deletes for later
processing.
This allows page loads to remain snappy (as appending to a queue is a
very fast operation) and background updating of the index, allowing you
to maintain near real-time results without impacting user experience.
Make the fast, go go go.
"""
# We override the built-in _setup_* methods to connect the enqueuing
# operation.
def _setup_save(self, model):
signals.post_save.connect(self.enqueue_save, sender=model)
def _setup_delete(self, model):
signals.post_delete.connect(self.enqueue_delete, sender=model)
def _teardown_save(self, model):
signals.post_save.disconnect(self.enqueue_save, sender=model)
