def expand_destination(self, route):
# Route can be a queue name: convenient for direct exchanges.
if isinstance(route, basestring):
queue, route = route, {}
else:
# can use defaults from configured queue, but override specific
# things (like the routing_key): great for topic exchanges.
queue = route.pop("queue", None)
if queue: # expand config from configured queue.
try:
dest = dict(self.queues[queue])
except KeyError:
if not self.create_missing:
raise QueueNotFound(
"Queue %r is not defined in CELERY_QUEUES" % queue)
for key in "exchange", "routing_key":
if route.get(key) is None:
route[key] = queue
dest = dict(self.app.amqp.queues.add(queue, **route))
# needs to be declared by publisher
dest["queue"] = queue
# routing_key and binding_key are synonyms.
dest.setdefault("routing_key", dest.get("binding_key"))
return lpmerge(dest, route)
return route
def expand_destination(self, route):
# Route can be a queue name: convenient for direct exchanges.
if isinstance(route, string_t):
queue, route = route, {}
else:
# can use defaults from configured queue, but override specific
# things (like the routing_key): great for topic exchanges.
queue = route.pop('queue', None)
if queue:
try:
Q = self.queues[queue] # noqa
except KeyError:
raise QueueNotFound(
'Queue {0!r} missing from CELERY_QUEUES'.format(queue))
# needs to be declared by publisher
route['queue'] = Q
return route
def expand_destination(self, route):
# Route can be a queue name: convenient for direct exchanges.
if isinstance(route, string_t):
queue, route = route, {}
else:
# can use defaults from configured queue, but override specific
# things (like the routing_key): great for topic exchanges.
queue = route.pop('queue', None)
if queue:
if isinstance(queue, Queue):
route['queue'] = queue
else:
try:
route['queue'] = self.queues[queue]
except KeyError:
raise QueueNotFound(
'Queue {0!r} missing from task_queues'.format(queue))
return route
def expand_destination(self, route):
# Route can be a queue name: convenient for direct exchanges.
if isinstance(route, basestring):
queue, route = route, {}
else:
# can use defaults from configured queue, but override specific
# things (like the routing_key): great for topic exchanges.
queue = route.pop('queue', None)
if queue:
try:
Q = self.queues[queue] # noqa
except KeyError:
if not self.create_missing:
raise QueueNotFound(
'Queue %r is not defined in CELERY_QUEUES' % queue)
for key in 'exchange', 'routing_key':
if route.get(key) is None:
route[key] = queue
Q = self.app.amqp.queues.add(queue, **route)
# needs to be declared by publisher
route['queue'] = Q
return route
def expand_destination(self, route):
# The route can simply be a queue name,
# this is convenient for direct exchanges.
if isinstance(route, basestring):
queue, route = route, {}
else:
# For topic exchanges you can use the defaults from a queue
# definition, and override e.g. just the routing_key.
queue = route.pop("queue", None)
if queue:
try:
dest = dict(self.queues[queue])
except KeyError:
if self.create_missing:
dest = self.add_queue(queue)
else:
raise QueueNotFound(
"Queue '%s' is not defined in CELERY_QUEUES" % queue)
dest.setdefault("routing_key", dest.get("binding_key"))
return merge(dest, route)
return route
def expand_destination(self, route):
# Route can be a queue name: convenient for direct exchanges.
if isinstance(route, string_t):
queue, route = route, {}
else:
# can use defaults from configured queue, but override specific
# things (like the routing_key): great for topic exchanges.
queue = route.pop('queue', None)
if queue: # expand config from configured queue.
try:
dest = self.queues[queue].as_dict()
except KeyError:
if not self.create_missing:
raise QueueNotFound(
'Queue {0!r} missing from CELERY_QUEUES'.format(queue))
for key in 'exchange', 'routing_key':
if route.get(key) is None:
route[key] = queue
dest = self.app.amqp.queues.add(queue, **route).as_dict()
# needs to be declared by publisher
dest['queue'] = queue
return lpmerge(dest, route)
return route