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a o�h)b � @ s� d Z ddlmZ ddlmZ ddlmZ ddlmZ ddl m Z ddl m Z m Z mZ dd lmZmZmZ dd lmZ dd lmZmZ dd lmZmZ er�dd lm Z dZ G dd� d�Z G dd� d�Z dS )z Sending and receiving messages.� )� annotations)�count)� TYPE_CHECKING� )� maybe_declare)�compress)�PooledConnection� is_connection� maybe_channel)�Exchange�Queue�maybe_delivery_mode)�ContentDisallowed)�dumps�prepare_accept_content)�ChannelPromise� maybe_list)� TracebackType)r r �Producer�Consumerc @ s� e Zd ZdZdZdZdZdZdZdZ dZ d.dd�Z dd� Z d d � Z d d � Zd d� Zd/dd�Zdeefdd�Zd0dd�Zd1dd�Zdd� Zdd � Zeee�Zd d � Zd d � Zd!d"d#d$d%�d&d'�Z d(d)� Z e Z d2d*d+�Z ed,d-� �Z dS )3r a� Message Producer. Arguments: --------- channel (kombu.Connection, ChannelT): Connection or channel. exchange (kombu.entity.Exchange, str): Optional default exchange. routing_key (str): Optional default routing key. serializer (str): Default serializer. Default is `"json"`. compression (str): Default compression method. Default is no compression. auto_declare (bool): Automatically declare the default exchange at instantiation. Default is :const:`True`. on_return (Callable): Callback to call for undeliverable messages, when the `mandatory` or `immediate` arguments to :meth:`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. N� Tc C sz || _ || _|p| j| _|p | j| _|p,| j| _|p8| j| _d | _| jd u rVtd�| _|d urd|| _| j rv| � | j � d S )Nr ) �_channel�exchange� routing_key� serializer� compression� on_returnZ_channel_promiser � auto_declare�revive)�self�channelr r r r r r � r! �/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/kombu/messaging.py�__init__A s zProducer.__init__c C s d| j � d�S )Nz <Producer: �>�r �r r! r! r" �__repr__S s zProducer.__repr__c C s | j | �� fS �N)� __class__�__reduce_args__r& r! r! r" � __reduce__V s zProducer.__reduce__c C s d | j | j| j| j| jfS r( )r r r r r r& r! r! r" r* Y s �zProducer.__reduce_args__c C s | j jr| j �� dS )z�Declare the exchange. Note: ---- This happens automatically at instantiation when the :attr:`auto_declare` flag is enabled. N)r �name�declarer& r! r! r" r- ] s zProducer.declareFc K s |rt || j|fi |��S dS )z=Declare exchange if not already declared during this session.N)r r )r �entity�retry� retry_policyr! r! r" r h s zProducer.maybe_declarec C s2 t ||�r |j||p|j�fS |||p,| jj�fS r( )� isinstancer, � delivery_moder )r r r2 r r r! r! r" �_delivery_detailsm s � �zProducer._delivery_detailsr c K s | j }|du rg n|}| du r"i n| } |du r2i n|}|du rD| jn|}| du rV| jn| } | �| pf| j|�\}|d< |dur�tt|d ��|d< | �|| ||| | �\}}}| jr�| jj r�| j|vr�|� | j� | r�| j j � |� | j j| |fi |��}|||||| ||||||||| |�S )a� Publish message to the specified exchange. Arguments: --------- body (Any): Message body. routing_key (str): Message routing key. delivery_mode (enum): See :attr:`delivery_mode`. mandatory (bool): Currently not supported. immediate (bool): Currently not supported. priority (int): Message priority. A number between 0 and 9. content_type (str): Content type. Default is auto-detect. content_encoding (str): Content encoding. Default is auto-detect. serializer (str): Serializer to use. Default is auto-detect. compression (str): Compression method to use. Default is none. headers (Dict): Mapping of arbitrary headers to pass along with the message body. exchange (kombu.entity.Exchange, str): Override the exchange. Note that this exchange must have been declared. declare (Sequence[EntityT]): Optional list of required entities that must have been declared before publishing the message. The entities will be declared using :func:`~kombu.common.maybe_declare`. retry (bool): Retry publishing, or declaring entities if the connection is lost. retry_policy (Dict): Retry configuration, this is the keywords supported by :meth:`~kombu.Connection.ensure`. expiration (float): A TTL in seconds can be specified per message. Default is no expiration. timeout (float): Set timeout to wait maximum timeout second for message to publish. confirm_timeout (float): Set confirm timeout to wait maximum timeout second for message to confirm publishing if the channel is set to confirm publish mode. **properties (Any): Additional message properties, see AMQP spec. Nr2 i� � expiration)�_publishr r r3 r �str�int�_preparer r, �append� connectionZtransport_options�updateZensure)r �bodyr r2 � mandatory� immediate�priority� content_type�content_encodingr �headersr r r/ r0 r- r4 �timeout�confirm_timeout� propertiesr5 Z exchange_namer! r! r" �publishz s4 ) � � �zProducer.publishc C s� |d u r i n|}| j }|�||||||�}| rR| j}| D ]}||fd|i|�� q8|�d�}t|t�rp|j|d< |j|| ||| | | d�S )Nr/ �reply_to)r r r= r> rC rD )r Zprepare_messager �getr1 r r, Z basic_publish)r r< r? r@ rA rB rE r r= r> r r- rC rD r/ r0 r �messager r. rG r! r! r" r5 � s& � �zProducer._publishc C sD | j }t|t�r@|� }| _ | j�|� | jr@|jd �| j� |S )N� basic_return)r r1 r r r r �events�add�r r r! r! r" � _get_channel� s zProducer._get_channelc C s || _ d S r( r% rM r! r! r" � _set_channel� s zProducer._set_channelc sp t |�r"|� � | _t� fdd��}t|t�r@|| _| �|�| _n,|| _| jr`| jjd �| j� | �|�| _dS )z*Revive the producer after connection loss.c s � j S r( )Zdefault_channelr! �r: r! r" �<lambda>� � z!Producer.revive.<locals>.<lambda>rJ N) r �__connection__r r1 r r r rK rL rM r! rP r" r � s zProducer.revivec C s | S r( r! r& r! r! r" � __enter__� s zProducer.__enter__�type[BaseException] | None�BaseException | None�TracebackType | None�None��exc_type�exc_val�exc_tb�returnc C s: | j d ur.|d ur.t| j t�r.| j j�| j � | �� d S r( )rS r1 r �_pool�replace�release)r rZ r[ r\ r! r! r" �__exit__� s zProducer.__exit__c C s d S r( r! r& r! r! r" r` s zProducer.releasec C sh |s"|p | j }t||d�\}}}n&t|t�r@|s4d}|�|�}n|sHd}|r^t||�\}|d< |||fS )N)r zutf-8�binaryr )r r r1 r6 �encoder )r r< r r@ rA r rB r! r! r" r8 s �� zProducer._preparec C s* z| j p| jjjW S ty$ Y n0 d S r( )rS r r: �client�AttributeErrorr& r! r! r" r: + s zProducer.connection)NNNNNN)F)NNFFr NNNNNNFNNNNN)NNFN)NNNNN)!�__name__� __module__� __qualname__�__doc__r r r r r r rS r# r' r+ r* r- r r r r3 rF r5 rN rO �propertyr r rT ra r` �closer8 r: r! r! r! r" r sV � � � L � � r c @ s, e Zd ZdZeZdZdZdZdZdZ dZ dZ dZ dZ dZed�Zd9dd�Zedd� �Zejd d� �Zd d � Zd d � Zdd� Zdd� Zddddd�dd�Zdd� Zd:dd �Zd d � ZeZ d d � Z d!d"� Z d#d$� Z d%d&� Z d;d)d*�Z!d<d+d,�Z"d-d.� Z#dedfd/d0�Z$d=d1d2�Z%d3d4� Z&d5d6� Z'ed7d8� �Z(dS )>r a Message consumer. Arguments: --------- channel (kombu.Connection, ChannelT): see :attr:`channel`. queues (Sequence[kombu.Queue]): see :attr:`queues`. no_ack (bool): see :attr:`no_ack`. auto_declare (bool): see :attr:`auto_declare` callbacks (Sequence[Callable]): see :attr:`callbacks`. on_message (Callable): See :attr:`on_message` on_decode_error (Callable): see :attr:`on_decode_error`. prefetch_count (int): see :attr:`prefetch_count`. NTr c C s� || _ t|pg �| _|d u r"| jn|| _|d u r:| jp<g n|| _|| _| | _i | _|d ur`|| _|d urn|| _ t |�| _ | | _ | j r�| � | j � d S r( )r r �queues�no_ack� callbacks� on_message� tag_prefix� _active_tagsr �on_decode_errorr �accept�prefetch_countr ) r r rl rm r rn rr ro rs rt rp r! r! r" r# � s" � zConsumer.__init__c C s t | j�� �S r( )�list�_queues�valuesr& r! r! r" rl � s zConsumer.queuesc C s dd� |D �| _ d S )Nc S s i | ] }|j |�qS r! )r, )�.0�qr! r! r" � <dictcomp>� rR z#Consumer.queues.<locals>.<dictcomp>)rv )r rl r! r! r" rl � s c C s� | j �� t|� }| _t| j�� �D ]6\}}| j�|d� || j� }| j|j< |� |� q&| j rl| � � | j dur�| j | j d� dS )z&Revive consumer after connection loss.N)rt )rq �clearr r ru rv �items�popr, r r r- rt �qos)r r �qname�queuer! r! r" r � s zConsumer.revivec C s | j �� D ] }|�� q dS )z�Declare queues, exchanges and bindings. Note: ---- This is done automatically at instantiation when :attr:`auto_declare` is set. N)rv rw r- �r r� r! r! r" r- � s zConsumer.declarec C s | j �|� dS )a% Register a new callback to be called when a message is received. Note: ---- The signature of the callback needs to accept two arguments: `(body, message)`, which is the decoded message body and the :class:`~kombu.Message` instance. N)rn r9 )r �callbackr! r! r" �register_callback� s zConsumer.register_callbackc C s | � � | S r( )�consumer& r! r! r" rT � s zConsumer.__enter__rU rV rW rX rY c C sH | j rD| j jrD| j jjj}t||�sDz | �� W n tyB Y n0 d S r( )r r: rd Zconnection_errorsr1 �cancel� Exception)r rZ r[ r\ Z conn_errorsr! r! r" ra � s zConsumer.__exit__c C s( || j �}| jr|�� || j|j< |S )z�Add a queue to the list of queues to consume from. Note: ---- This will not start consuming from the queue, for that you will have to call :meth:`consume` after. )r r r- rv r, r� r! r! r" � add_queue� s zConsumer.add_queuec C sh t | j�� �}|rd|du r | jn|}|dd� |d }}|D ]}| j||dd� q>| j||dd� dS )aV Start consuming messages. Can be called multiple times, but note that while it will consume from new queues added since the last call, it will not cancel consuming from removed queues ( use :meth:`cancel_by_queue`). Arguments: --------- no_ack (bool): See :attr:`no_ack`. N���T�rm �nowaitF)ru rv rw rm �_basic_consume)r rm rl �H�Tr� r! r! r" r� � s zConsumer.consumec C s. | j j}| j�� D ] }||� q| j�� dS )z�End all active queue consumers. Note: ---- This does not affect already delivered messages, but it does mean the server will not send any more messages for this consumer. N)r � basic_cancelrq rw r{ )r r� �tagr! r! r" r� s zConsumer.cancelc C sl t |t�r|jn|}zBz| j�|�}W n ty8 Y n0 | j�|� W | j�|d� n| j�|d� 0 dS )z Cancel consumer by queue name.N) r1 r r, rq r} �KeyErrorr r� rv )r r� r r� r! r! r" �cancel_by_queue s zConsumer.cancel_by_queuec C s |}t |t�r|j}|| jv S )z8Return :const:`True` if currently consuming from queue'.)r1 r r, rq )r r� r, r! r! r" �consuming_from s zConsumer.consuming_fromc C s t dd� | j�� D ��S )z�Purge messages from all queues. Warning: ------- This will *delete all ready messages*, there is no undo operation. c s s | ]}|� � V qd S r( )�purge)rx r� r! r! r" � <genexpr>- rR z!Consumer.purge.<locals>.<genexpr>)�sumrv rw r& r! r! r" r� & s zConsumer.purgec C s | j �|� dS )a� Enable/disable flow from peer. This is a simple flow-control mechanism that a peer can use to avoid overflowing its queues or otherwise finding itself receiving more messages than it can process. The peer that receives a request to stop sending content will finish sending the current content (if any), and then wait until flow is reactivated. N)r �flow)r Zactiver! r! r" r� / s z Consumer.flowr Fc C s | j �|||�S )a Specify quality of service. The client can request that messages should be sent in advance so that when the client finishes processing a message, the following message is already held locally, rather than needing to be sent down the channel. Prefetching gives a performance improvement. The prefetch window is Ignored if the :attr:`no_ack` option is set. Arguments: --------- prefetch_size (int): Specify the prefetch window in octets. The server will send a message in advance if it is equal to or smaller in size than the available prefetch size (and also falls within other prefetch limits). May be set to zero, meaning "no specific limit", although other prefetch limits may still apply. prefetch_count (int): Specify the prefetch window in terms of whole messages. apply_global (bool): Apply new settings globally on all channels. )r Z basic_qos)r Z prefetch_sizert Z apply_globalr! r! r" r~ < s �z Consumer.qosc C s | j j|d�S )a� Redeliver unacknowledged messages. Asks the broker to redeliver all unacknowledged messages on the specified channel. Arguments: --------- requeue (bool): By default the messages will be redelivered to the original recipient. With `requeue` set to true, the server will attempt to requeue the message, potentially then delivering it to an alternative subscriber. )�requeue)r Z basic_recover)r r� r! r! r" �recoverY s zConsumer.recoverc s* | j }|std��� �fdd�|D � dS )a� Method called when a message is received. This dispatches to the registered :attr:`callbacks`. Arguments: --------- body (Any): The decoded message body. message (~kombu.Message): The message instance. Raises ------ NotImplementedError: If no consumer callbacks have been registered. z$Consumer does not have any callbacksc s g | ]}|� ���qS r! r! )rx r� �r< rI r! r" � <listcomp>z rR z$Consumer.receive.<locals>.<listcomp>N)rn �NotImplementedError)r r< rI rn r! r� r" �receiveh s zConsumer.receivec C s: | j �|j�}|d u r6| �||�}|j|| j||d� |S )Nr� )rq rH r, �_add_tagr� �_receive_callback)r r� � consumer_tagrm r� r� r! r! r" r� | s �zConsumer._basic_consumec C s( |pd� | jt| j��}|| j|j< |S )Nz{}{})�formatrp �next�_tagsrq r, )r r� r� r� r! r! r" r� � s � zConsumer._add_tagc C s� | j }| j| jd }}}zNt|dd �}|r4||�}|d urB||_ |jrV|�| j�W S |r^d n|�� }W n8 ty� } z | js�� | �||� W Y d }~n"d }~0 0 |r�||�S | � ||�S d S )NZmessage_to_python) rs ro r �getattr�errorsZ_reraise_errorrr �decoder� r� )r rI rs Zon_mr �decodedZm2p�excr! r! r" r� � s "zConsumer._receive_callbackc C s dt | �j� d| j� d�S )N�<z: r$ )�typerf rl r& r! r! r" r' � s zConsumer.__repr__c C s$ z | j jjW S ty Y n0 d S r( )r r: rd re r& r! r! r" r: � s zConsumer.connection) NNNNNNNNN)N)r r F)F)N))rf rg rh ri r r rl rm r rn ro rr rs rt rv r r� r# rj �setterr r- r� rT ra r� r� r� rk r� r� r� r� r~ r� r� r� r� r� r' r: r! r! r! r" r 3 sZ � � r N) ri � __future__r � itertoolsr �typingr �commonr r r r: r r r r. r r r � exceptionsr Z serializationr r Zutils.functionalr r �typesr �__all__r r r! r! r! r" �<module> s"
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