Channel methods

Functions for calling channel methods from a consumer callback running in another thread.

yapw.methods.publish(state, channel, message, routing_key, *args, **kwargs)[source]

Publish the message with the routing_key, to the exchange set by the state.

Parameters:

  • state (State[Any]) – an object with thread-safe attributes from the client

  • channel (Channel) – the channel from which to call basic_publish

  • message (Any) – a decoded message

  • routing_key (str) – the routing key

  • args (Any)

  • kwargs (Any)

Return type:

None

yapw.methods.ack(state, channel, delivery_tag=0, **kwargs)[source]

Ack a message by its delivery tag.

Parameters:

  • state (State[Any]) – an object with thread-safe attributes from the client

  • channel (Channel) – the channel from which to call basic_ack

  • delivery_tag (int | None) – the delivery tag

  • kwargs (bool)

Return type:

None

yapw.methods.nack(state, channel, delivery_tag=0, **kwargs)[source]

Nack a message by its delivery tag.

Parameters:

  • state (State[Any]) – an object with thread-safe attributes from the client

  • channel (Channel) – the channel from which to call basic_nack

  • delivery_tag (int | None) – the delivery tag

  • kwargs (bool)

Return type:

None

yapw.methods.add_callback_threadsafe(connection, callback)[source]

Interact with Pika from another thread.

Parameters:

  • connection (Any) – a RabbitMQ connection

  • callback (Any) – the callback to add

Return type:

None