General Pools - kombu.pools¶
kombu.pools¶
Public resource pools.
-
class
kombu.pools.
ProducerPool
(connections, *args, **kwargs)¶ -
class
Producer
(channel, exchange=None, routing_key=None, serializer=None, auto_declare=None, compression=None, on_return=None)¶ Message Producer.
Parameters: - channel – Connection or channel.
- exchange – Optional default exchange.
- routing_key – Optional default routing key.
- serializer – Default serializer. Default is “json”.
- compression – Default compression method. Default is no compression.
- auto_declare – Automatically declare the default exchange
at instantiation. Default is
True
. - on_return – Callback to call for undeliverable messages,
when the mandatory or immediate arguments to
publish()
is used. This callback needs the following signature: (exception, exchange, routing_key, message). Note that the producer needs to drain events to use this feature.
-
auto_declare
= True¶
-
channel
¶
-
close
()¶
-
compression
= None¶
-
connection
¶
-
declare
()¶ Declare the exchange.
This happens automatically at instantiation if
auto_declare
is enabled.
-
exchange
= None¶
-
maybe_declare
(entity, retry=False, **retry_policy)¶ Declare the exchange if it hasn’t already been declared during this session.
-
on_return
= None¶
-
publish
(body, routing_key=None, delivery_mode=None, mandatory=False, immediate=False, priority=0, content_type=None, content_encoding=None, serializer=None, headers=None, compression=None, exchange=None, retry=False, retry_policy=None, declare=[], expiration=None, **properties)¶ Publish message to the specified exchange.
Parameters: - body – Message body.
- routing_key – Message routing key.
- delivery_mode – See
delivery_mode
. - mandatory – Currently not supported.
- immediate – Currently not supported.
- priority – Message priority. A number between 0 and 9.
- content_type – Content type. Default is auto-detect.
- content_encoding – Content encoding. Default is auto-detect.
- serializer – Serializer to use. Default is auto-detect.
- compression – Compression method to use. Default is none.
- headers – Mapping of arbitrary headers to pass along with the message body.
- exchange – Override the exchange. Note that this exchange must have been declared.
- declare – Optional list of required entities that must
have been declared before publishing the message. The entities
will be declared using
maybe_declare()
. - retry – Retry publishing, or declaring entities if the connection is lost.
- retry_policy – Retry configuration, this is the keywords
supported by
ensure()
. - expiration – A TTL in seconds can be specified per message. Default is no expiration.
- **properties – Additional message properties, see AMQP spec.
-
release
()¶
-
revive
(channel)¶ Revive the producer after connection loss.
-
routing_key
= ''¶
-
serializer
= None¶
-
ProducerPool.
close_resource
(resource)¶
-
ProducerPool.
create_producer
()¶
-
ProducerPool.
new
()¶
-
ProducerPool.
prepare
(p)¶
-
ProducerPool.
release
(resource)¶
-
ProducerPool.
setup
()¶
-
class
-
kombu.pools.
register_group
(group)¶
-
kombu.pools.
get_limit
()¶
-
kombu.pools.
set_limit
(limit, force=False, reset_after=False)¶
-
kombu.pools.
reset
(*args, **kwargs)¶