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a o�h?� � @ s� d Z ddlmZ ddlZddlZddlZddlZddlmZ ddlm Z ddl m Z ddl m Z ddlmZmZmZ dd lmZ dd lmZmZ dd lmZ dd lmZ dd lm Z ddl m Z ddl m Z m!Z! ddl"m#Z#m$Z$ ddl%m&Z& ddl'm(Z( e e)�Z*dd� ej+D �Z,de,d< dZ-dd� Z.G dd � d e/�Z0G d d � d e/�Z1G d d � d e/�Z2G d!d"� d"e/�Z3G d#d$� d$e(j4�Z4G d%d&� d&e(j5�Z5G d'd(� d(e(j6�Z6dS ))a? Amazon SQS transport module for Kombu. This package implements an AMQP-like interface on top of Amazons SQS service, with the goal of being optimized for high performance and reliability. The default settings for this module are focused now on high performance in task queue situations where tasks are small, idempotent and run very fast. SQS Features supported by this transport ======================================== Long Polling ------------ https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-long-polling.html Long polling is enabled by setting the `wait_time_seconds` transport option to a number > 1. Amazon supports up to 20 seconds. This is enabled with 10 seconds by default. Batch API Actions ----------------- https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-batch-api.html The default behavior of the SQS Channel.drain_events() method is to request up to the 'prefetch_count' messages on every request to SQS. These messages are stored locally in a deque object and passed back to the Transport until the deque is empty, before triggering a new API call to Amazon. This behavior dramatically speeds up the rate that you can pull tasks from SQS when you have short-running tasks (or a large number of workers). When a Celery worker has multiple queues to monitor, it will pull down up to 'prefetch_count' messages from queueA and work on them all before moving on to queueB. If queueB is empty, it will wait up until 'polling_interval' expires before moving back and checking on queueA. Message Attributes ----------------- https://docs.aws.amazon.com/AWSSimpleQueueService/latest/SQSDeveloperGuide/sqs-message-metadata.html SQS supports sending message attributes along with the message body. To use this feature, you can pass a 'message_attributes' as keyword argument to `basic_publish` method. Other Features supported by this transport ========================================== Predefined Queues ----------------- The default behavior of this transport is to use a single AWS credential pair in order to manage all SQS queues (e.g. listing queues, creating queues, polling queues, deleting messages). If it is preferable for your environment to use multiple AWS credentials, you can use the 'predefined_queues' setting inside the 'transport_options' map. This setting allows you to specify the SQS queue URL and AWS credentials for each of your queues. For example, if you have two queues which both already exist in AWS) you can tell this transport about them as follows: .. code-block:: python transport_options = { 'predefined_queues': { 'queue-1': { 'url': 'https://sqs.us-east-1.amazonaws.com/xxx/aaa', 'access_key_id': 'a', 'secret_access_key': 'b', 'backoff_policy': {1: 10, 2: 20, 3: 40, 4: 80, 5: 320, 6: 640}, # optional 'backoff_tasks': ['svc.tasks.tasks.task1'] # optional }, 'queue-2.fifo': { 'url': 'https://sqs.us-east-1.amazonaws.com/xxx/bbb.fifo', 'access_key_id': 'c', 'secret_access_key': 'd', 'backoff_policy': {1: 10, 2: 20, 3: 40, 4: 80, 5: 320, 6: 640}, # optional 'backoff_tasks': ['svc.tasks.tasks.task2'] # optional }, } 'sts_role_arn': 'arn:aws:iam::<xxx>:role/STSTest', # optional 'sts_token_timeout': 900 # optional } Note that FIFO and standard queues must be named accordingly (the name of a FIFO queue must end with the .fifo suffix). backoff_policy & backoff_tasks are optional arguments. These arguments automatically change the message visibility timeout, in order to have different times between specific task retries. This would apply after task failure. AWS STS authentication is supported, by using sts_role_arn, and sts_token_timeout. sts_role_arn is the assumed IAM role ARN we are trying to access with. sts_token_timeout is the token timeout, defaults (and minimum) to 900 seconds. After the mentioned period, a new token will be created. If you authenticate using Okta_ (e.g. calling |gac|_), you can also specify a 'session_token' to connect to a queue. Note that those tokens have a limited lifetime and are therefore only suited for short-lived tests. .. _Okta: https://www.okta.com/ .. _gac: https://github.com/Nike-Inc/gimme-aws-creds#readme .. |gac| replace:: ``gimme-aws-creds`` Client config ------------- In some cases you may need to override the botocore config. You can do it as follows: .. code-block:: python transport_option = { 'client-config': { 'connect_timeout': 5, }, } For a complete list of settings you can adjust using this option see https://botocore.amazonaws.com/v1/documentation/api/latest/reference/config.html Features ======== * Type: Virtual * Supports Direct: Yes * Supports Topic: Yes * Supports Fanout: Yes * Supports Priority: No * Supports TTL: No � )� annotationsN)�datetime)�Empty)�Config)� ClientError)�ensure_promise�promise� transform)�get_event_loop)�boto3� exceptions)�AsyncSQSConnection)� AsyncMessage)� get_logger)� scheduling)� bytes_to_str�safe_str)�dumps�loads)�cached_property� )�virtualc C s i | ]}|d vrt |�d�qS )z-_.�_ )�ord)�.0�c� r ��/root/rpmbuild/BUILDROOT/imh-python39-modules-3.9.7-92.el8.x86_64/opt/imh-python/lib/python3.9/site-packages/kombu/transport/SQS.py� <dictcomp>� s r �- �. � c C s& z t | �W S ty | Y S 0 dS )z5Try to convert x' to int, or return x' if that fails.N)�int� ValueError)�xr r r � maybe_int� s r% c @ s e Zd ZdZdS )�UndefinedQueueExceptionzAPredefined queues are being used and an undefined queue was used.N��__name__� __module__� __qualname__�__doc__r r r r r& � s r& c @ s e Zd ZdZdS )�InvalidQueueExceptionz@Predefined queues are being used and configuration is not valid.Nr' r r r r r, � s r, c @ s e Zd ZdZdS )�AccessDeniedQueueExceptionz�Raised when access to the AWS queue is denied. 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Nr' r r r r r- � s r- c @ s e Zd ZdZdS )�DoesNotExistQueueExceptionz"The specified queue doesn't exist.Nr' r r r r r. � s r. c s: e Zd ZdZd � fdd� Zdd� Zdd� Zd d � Z� ZS ) �QoSz5Quality of Service guarantees implementation for SQS.Fc sF t � j||d� | �|�\}}}}|rB|rB|rB|rB| �||||� d S )N)�requeue)�super�reject�1_extract_backoff_policy_configuration_and_message�apply_backoff_policy)�self� delivery_tagr0 � routing_key�message� backoff_tasks�backoff_policy�� __class__r r r2 � s �� �z QoS.rejectc C sj z| j | }|jd }W n ty, Y dS 0 |r6|s:dS | jj�|i �}|�d�}|�d�}||||fS )Nr7 )NNNNr9 r: )� _delivered� delivery_info�KeyError�channel�predefined_queues�get)r5 r6 r8 r7 Z queue_configr9 r: r r r r3 � s z5QoS._extract_backoff_policy_configuration_and_messagec C s` | j j| }| �|�\}}|r"|s&d S |�|�}||v r\|d ur\| j �|�} | j|||d� d S )N��QueueUrl� ReceiptHandle�VisibilityTimeout)r@ � _queue_cache�'extract_task_name_and_number_of_retriesrB �sqs�change_message_visibility) r5 r7 r6 r: r9 � queue_url� task_name�number_of_retriesZ policy_valuer r r r r4 � s � �zQoS.apply_backoff_policyc C s: | j | }|j}|d }t|jd d d d �}||fS )N�taskr> � sqs_message� AttributesZApproximateReceiveCount)r= �headersr" � properties)r5 r6 r8 Zmessage_headersrL rM r r r rH � s ���z+QoS.extract_task_name_and_number_of_retries)F) r( r) r* r+ r2 r3 r4 rH � __classcell__r r r; r r/ � s r/ c sT e Zd ZdZdZdZdZdZdZi Z dZ i Z i Z e � ZeZ� fdd�Zd d � Zd d � Z� fd d�Z� fdd�Zdpdd�Zdd� Zefdd�Zdd� Zdd� Zdd � Zd d � Z d d � Z d!d"� Z e d#d$� �Z d%d&� Z!d'd(� Z"e#dfd)d*�Z$d+d,� Z%dqd-d.�Z&d/d0� Z'e#fd1d2�Z(e#dfd3d4�Z)drd6d7�Z*d8d9� Z+dsd:d;�Z,dt� fd=d>� Z-du� fd@dA� Z.dBdC� Z/dDdE� Z0� fdFdG�Z1dvdHdI�Z2dwdJdK�Z3dLdM� Z4dNdO� Z5dPdQ� Z6dxdRdS�Z7e8dTdU� �Z9e8dVdW� �Z:e;dXdY� �Z<e;dZd[� �Z=e;d\d]� �Z>e;d^d_� �Z?e;d`da� �Z@e;dbdc� �ZAe;ddde� �ZBe;dfdg� �ZCe;dhdi� �ZDe;djdk� �ZEe;dldm� �ZFe;dndo� �ZG� ZHS )y�Channelz SQS Channel.z us-east-1i r! zkombu%(vhost)sNc sL t d u rtd��t� j|i |�� | �� | �| j� |�d�pDt� | _ d S )Nzboto3 is not installed�hub) r � ImportErrorr1 �__init__�_validate_predifined_queues�_update_queue_cache�queue_name_prefixrB r rU )r5 �args�kwargsr; r r rW s zChannel.__init__c C sh | j �� D ]X\}}|d �d�}|�d�}|rF|sFtd�|d ���q |s |r td�||d ���q dS )z�Check that standard and FIFO queues are named properly. AWS requires FIFO queues to have a name that ends with the .fifo suffix. �url�.fifoz6Queue with url '{}' must have a name ending with .fifoz.Queue with name '{}' is not a FIFO queue: '{}'N)rA �items�endswithr, �format)r5 � queue_name�qZfifo_urlZ fifo_namer r r rX s ����z#Channel._validate_predifined_queuesc C sj | j r,| j �� D ]\}}|d | j|< qd S | �� j|d�}|�dg �D ] }|�d�d }|| j|< qHd S )Nr] )ZQueueNamePrefixZ QueueUrls�/���)rA r_ rG rI Z list_queuesrB �split)r5 rZ rb rc �respr] r r r rY + s zChannel._update_queue_cachec s< |r| j �|� | jr | �|� t� j||g|�R i |��S �N)� _noack_queues�addrU �_loop1r1 � basic_consume)r5 �queueZno_ackr[ r\ r; r r rl 6 s ���zChannel.basic_consumec s, || j v r | j| }| j�|� t� �|�S rh )� _consumersZ _tag_to_queueri �discardr1 � basic_cancel)r5 Z consumer_tagrm r; r r rp ? s zChannel.basic_cancelc K s, | j r| j�� st� �| j| j||d� dS )z�Return a single payload message from one of our queues. Raises ------ Queue.Empty: if no messages available. )�timeoutN)rn �qos� can_consumer Z_poll�cycle)r5 rq �callbackr\ r r r � drain_eventsE s zChannel.drain_eventsc C s t �| j| jt�| _dS )aA Reset the consume cycle. Returns ------- FairCycle: object that points to our _get_bulk() method rather than the standard _get() method. This allows for multiple messages to be returned at once from SQS ( based on the prefetch limit). N)r Z FairCycle� _get_bulk�_active_queuesr Z_cycle�r5 r r r � _reset_cycleS s �zChannel._reset_cyclec C sL |� d�r6|dtd� � }tt|���|�}|d S tt|���|�S dS )z3Format AMQP queue name into a legal SQS queue name.r^ N)r` �len�strr � translate)r5 �name�table�partialr r r � entity_namea s zChannel.entity_namec C s | � | j| �S rh )r� rZ )r5 rb r r r �canonical_queue_namej s z Channel.canonical_queue_namec C sf | � |�}|| jvr | �|� z | j| W S ty` | jrLtd�|���td|� d���Y n0 dS )z9Try to retrieve the SQS queue URL for a given queue name.�<Queue with name '{}' must be defined in 'predefined_queues'.�Queue with name 'z' doesn't exist in SQSN)r� rG rY r? rA r& ra r. )r5 rm � sqs_qnamer r r �_resolve_queue_urlm s �� �zChannel._resolve_queue_urlc K sp z | � |�W S tyj | �|�}dt| j�i}|�d�rDd|d< | �||�}|d | j|< |d Y S 0 dS )z�Ensure a queue with given name exists in SQS. Arguments: --------- queue (str): the AMQP queue name Returns str: the SQS queue URL rF r^ �trueZ FifoQueuerD N)r� r. r� r| �visibility_timeoutr` � _create_queuerG )r5 rm r\ r� � attributesrg r r r � _new_queue� s zChannel._new_queuec C s6 | j r dS |�| j�d�p i � | j|d�j||d�S )z=Create an SQS queue with a given name and nominal attributes.Nzsqs-creation-attributes�rm )Z QueueNamerP )rA �update�transport_optionsrB rI Z create_queue)r5 rb r� r r r r� � s � �zChannel._create_queuec O s6 | j r dS | �|�}| �� j|d� | j�|d� dS )zDelete queue by name.N�rD )rA r� rI Z delete_queuerG �pop)r5 rm r[ r\ �q_urlr r r �_delete� s �zChannel._deletec K s( | � |�}d|i}d|v r�d|d v r8|d �d�|d< |�d�r�d|d v r`|d d |d< nd|d< d|d v r�|d d |d< q�tt�� �|d< n d |d v r�|d d |d < | jr�t� �t |��}nt |�}||d < | j | � |�d �}|� d ��r|j ||d d dd� n|jf i |�� dS )zPut message onto queue.rD rR Zmessage_attributesZMessageAttributesr^ ZMessageGroupId�defaultZMessageDeduplicationIdZ DelaySecondsZ MessageBodyr� Z redeliveredr6 r rC N)r� r� r` r| �uuid�uuid4�sqs_base64_encodingr �encoder rI r� rB rJ � send_message)r5 rm r8 r\ r� �bodyr r r r �_put� s< � � � � �z Channel._putc C s: z"t �| �}t �|�| kr |W S W n ty4 Y n0 | S rh )�base64� b64decode� b64encode� Exception)Z byte_string�datar r r �_optional_b64_decode� s z Channel._optional_b64_decodec C s� | � |d �� �}tt|��}|| jv rL| �|�}| j|d��||d � nhz|d }|d d }W n2 ty� i }d|i}|� t|�|d�� Y n0 |� ||d�� |d |d< |S ) N�Bodyr� rE rR r> )r� rR �rO � sqs_queuer6 ) r� r� r r ri r� �asynsqs�delete_messager? r� )r5 r8 rb r� r� �payloadrR r> r r r �_message_to_python� s. � �� zChannel._message_to_pythonc s �� ��� � ��fdd�|D �S )a� Convert a list of SQS Message objects into Payloads. This method handles converting SQS Message objects into Payloads, and appropriately updating the queue depending on the 'ack' settings for that queue. Arguments: --------- messages (SQSMessage): A list of SQS Message objects. queue (str): Name representing the queue they came from. Returns ------- List: A list of Payload objects c s g | ]}�� |�� ��qS r )r� )r �m�r� rm r5 r r � <listcomp> � z/Channel._messages_to_python.<locals>.<listcomp>)r� )r5 �messagesrm r r� r �_messages_to_python s zChannel._messages_to_pythonc C s� | � � }|r�| �|�}| j|d�j||| jd�}|�d�r�|d D ]}t|d d��� |d< qB| �|d |�D ]}| j � ||� qndS t � �dS )a; Try to retrieve multiple messages off ``queue``. Where :meth:`_get` returns a single Payload object, this method returns a list of Payload objects. The number of objects returned is determined by the total number of messages available in the queue and the number of messages the QoS object allows (based on the prefetch_count). Note: ---- Ignores QoS limits so caller is responsible for checking that we are allowed to consume at least one message from the queue. get_bulk will then ask QoS for an estimate of the number of extra messages that we can consume. Arguments: --------- queue (str): The queue name to pull from. Returns ------- List[Message] r� �rD ZMaxNumberOfMessagesZWaitTimeSeconds�Messagesr� �r� N) �_get_message_estimater� rI �receive_message�wait_time_secondsrB r �decoder� � connectionZ_deliverr ) r5 rm �max_if_unlimitedru � max_countr� rg r� �msgr r r rw s � zChannel._get_bulkc C sv | � |�}| j|d�j|d| jd�}|�d�rlt|d d d d��� }||d d d< | �|d |�d S t� �dS ) z/Try to retrieve a single message off ``queue``.r� r r� r� r r� r� N) r� rI r� r� rB r r� r� r )r5 rm r� rg r� r r r �_getF s � z Channel._getc C s | j �| j|� d S rh )rU Z call_soon�_schedule_queue)r5 rm �_r r r rk R s zChannel._loop1c C s< || j v r8| j�� r.| j|t| j|f�d� n | �|� d S �N)ru )rx rr rs �_get_bulk_asyncr rk )r5 rm r r r r� U s �zChannel._schedule_queuec C s& | j �� }t|d u r|nt|d�|�S )Nr )rr Zcan_consume_max_estimate�min�max)r5 r� �maxcountr r r r� ^ s �z Channel._get_message_estimatec C s0 | � � }|r | j|||d�S t|�}|g � |S r� )r� � _get_asyncr )r5 rm r� ru r� r r r r� e s zChannel._get_bulk_asyncr c C s< | � |�}| �|�}| j|||| j|d�t| j|||�d�S )Nr� )rb rK �countr� ru )r� r� � _get_from_sqsr� r �_on_messages_ready)r5 rm r� ru r� �qnamer r r r� o s ��zChannel._get_asyncc C sD d|v r@|d r@| j j}|d D ] }| �|||�}|| |� q d S )Nr� )r� Z _callbacksr� )r5 rm r� r� � callbacksr� Z msg_parsedr r r r� z s zChannel._on_messages_readyc C s |j |||| j|d�S )zwRetrieve and handle messages from SQS. Uses long polling and returns :class:`~vine.promises.promise`. )Znumber_messagesr� ru )r� r� )r5 rb rK r� r� ru r r r r� � s �zChannel._get_from_sqsr� c s$ |D ]}|j �|d � qt� �|�S rh )r> r� r1 �_restore)r5 r8 Zunwanted_delivery_infoZ unwanted_keyr; r r r� � s zChannel._restoreFc s� z| j �|�j}|d }W n ty8 t� �|� Y n�0 d }d|v rT| �|d �}z"| j|d�j|d |d d� W nT t y� } z<|j d d d kr�t |j d d ��t� � |� W Y d }~nd }~0 0 t� �|� d S ) NrO r7 r� r� rE )rD rE �ErrorZCodeZ AccessDenied�Message) rr rB r> r? r1 � basic_ackr� rI r� r �responser- Z basic_reject)r5 r6 Zmultipler8 rO rm � exceptionr; r r r� � s( � �"zChannel.basic_ackc C s< | � |�}| j| �|�d�}|j|dgd�}t|d d �S )z)Return the number of messages in a queue.r� ZApproximateNumberOfMessages)rD ZAttributeNamesrP )r� rI r� Zget_queue_attributesr" )r5 rm r� r rg r r r �_size� s �z Channel._sizec C sN | � |�}d}td�D ] }|t| �|��7 }|s q6q| j|d�j|d� |S )z'Delete all current messages in a queue.r r! r� r� )r� �ranger" r� rI Z purge_queue)r5 rm r� �size�ir r r �_purge� s zChannel._purgec s t � �� d S rh )r1 �closery r; r r r� � s z Channel.closec C sv t jj||||d�}| jd ur$| jnd}d|i}| jd urD| j|d< | j�d�pRi }tf i |��} |jdd| i|��S ) N)� region_nameZaws_access_key_idZaws_secret_access_keyZaws_session_tokenTZuse_ssl� endpoint_urlz client-configrI �config)rI ) r �session�Session� is_securer� r� rB r �client) r5 �region� access_key_id�secret_access_key� session_tokenr� r� Z client_kwargsZ client_configr� r r r �new_sqs_client� s �� zChannel.new_sqs_clientc C s� |d ur�| j r�|| j vr(td|� d���| j | }| j�d�rJ| �||�S | j�d�s�|| jv rj| j| S | j|�d| j�|�d| jj �|�d| jj �d� }| j|< |S | j d ur�| j S | j| j| jj | jj d� }| _ |S )Nr� z)' must be defined in 'predefined_queues'.� sts_role_arnr� r� r� )r� r� r� ) rA r& r� rB �_handle_sts_session�_predefined_queue_clientsr� r� �conninfoZuserid�password�_sqs�r5 rm rc r r r r rI � s< � ���� � z Channel.sqsc C sj |� d| j�}t| d�s$| �||�S | jjd d�t�� k rF| �||�S || jvr\| �||�S | j| S d S )Nr� �sts_expiration)�tzinfo) rB r� �hasattr�-_new_predefined_queue_client_with_sts_sessionr� �replacer �utcnowr� )r5 rm rc r� r r r r� s zChannel._handle_sts_sessionc C sT | � | j�d�| j�dd��}|d | _| j||d |d |d d� }| j|< |S ) Nr� Zsts_token_timeouti� Z ExpirationZ AccessKeyIdZSecretAccessKeyZ SessionToken)r� r� r� r� )�generate_sts_session_tokenr� rB r� r� r� )r5 rm r� Z sts_credsr r r r r� s � �z5Channel._new_predefined_queue_client_with_sts_sessionc C s" t �d�}|j|d|d�}|d S )N�stsZCelery)ZRoleArnZRoleSessionNameZDurationSeconds� Credentials)r r� Z assume_role)r5 Zrole_arnZtoken_expiry_secondsZ sts_clientZ sts_policyr r r r� s �z"Channel.generate_sts_session_tokenc C s� |d ur~| j r~|| jv r,t| d�s,| j| S || j vrDtd�|���| j | }t| j|d�|�d| j�| j d� }| j|< |S | j d ur�| j S t| j|d�| j| j d� }| _ |S )Nr� r� r� r� )Zsqs_connectionr� �fetch_message_attributes) rA � _predefined_queue_async_clientsr� r& ra r rI rB r� r� �_asynsqsr� r r r r� " s6 � �� �� � zChannel.asynsqsc C s | j jS rh )r� r� ry r r r r� ? s zChannel.conninfoc C s | j jjS rh )r� r� r� ry r r r r� C s zChannel.transport_optionsc C s | j �d�p| jS )Nr� )r� rB �default_visibility_timeoutry r r r r� G s �zChannel.visibility_timeoutc C s | j �di �S )z/Map of queue_name to predefined queue settings.rA �r� rB ry r r r rA L s zChannel.predefined_queuesc C s | j �dd�S )NrZ � r� ry r r r rZ Q s zChannel.queue_name_prefixc C s dS )NFr ry r r r �supports_fanoutU s zChannel.supports_fanoutc C s | j �d�pt�� jp| jS )Nr� )r� rB r r� r� �default_regionry r r r r� Y s ��zChannel.regionc C s | j �d�S )N� regioninfor� ry r r r r� _ s zChannel.regioninfoc C s | j �d�S )Nr� r� ry r r r r� c s zChannel.is_securec C s | j �d�S �N�portr� ry r r r r� g s z Channel.portc C sP | j jd urL| jrdnd}| j jd ur6d| j j� �}nd}d�|| j j|�S d S )N�https�http�:r� z {}://{}{})r� �hostnamer� r� ra )r5 �schemer� r r r r� k s �zChannel.endpoint_urlc C s | j �d| j�S )Nr� )r� rB �default_wait_time_secondsry r r r r� y s �zChannel.wait_time_secondsc C s | j �dd�S )Nr� Tr� ry r r r r� ~ s zChannel.sqs_base64_encodingc C s | j �d�S )Nr� r� ry r r r r� � s z Channel.fetch_message_attributes)NN)N)r N)r N)r� )F)N)N)N)Ir( r) r* r+ r� r� r� Z domain_formatr� r� r� r� rG �setri r/ rW rX rY rl rp rv rz �CHARS_REPLACE_TABLEr� r� r� r� r� r� r� � staticmethodr� r� r� �SQS_MAX_MESSAGESrw r� rk r� r� r� r� r� r� r� r� r� r� r� r� rI r� r� r� r� �propertyr� r� r r� rA rZ r� r� r� r� r� r� r� r� r� rS r r r; r rT � s� ) � , � � � � " rT c @ sp e Zd ZdZeZdZdZdZej j e j e jf Z ej je j f ZdZdZej jjdedg�d�Zed d � �ZdS ) � Transportaj SQS Transport. Additional queue attributes can be supplied to SQS during queue creation by passing an ``sqs-creation-attributes`` key in transport_options. ``sqs-creation-attributes`` must be a dict whose key-value pairs correspond with Attributes in the `CreateQueue SQS API`_. For example, to have SQS queues created with server-side encryption enabled using the default Amazon Managed Customer Master Key, you can set ``KmsMasterKeyId`` Attribute. When the queue is initially created by Kombu, encryption will be enabled. .. code-block:: python from kombu.transport.SQS import Transport transport = Transport( ..., transport_options={ 'sqs-creation-attributes': { 'KmsMasterKeyId': 'alias/aws/sqs', }, } ) .. _CreateQueue SQS API: https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_CreateQueue.html#API_CreateQueue_RequestParameters The ``ApproximateReceiveCount`` message attribute is fetched by this transport by default. Requested message attributes can be changed by setting ``fetch_message_attributes`` in the transport options. .. code-block:: python from kombu.transport.SQS import Transport transport = Transport( ..., transport_options={ 'fetch_message_attributes': ["All"], } ) .. _Message Attributes: https://docs.aws.amazon.com/AWSSimpleQueueService/latest/APIReference/API_ReceiveMessage.html#SQS-ReceiveMessage-request-AttributeNames r r NrI T�direct)Z asynchronousZ exchange_typec C s d| j iS r� )� default_portry r r r �default_connection_params� s z#Transport.default_connection_params)r( r) r* r+ rT Zpolling_intervalr� r r r Zconnection_errorsr Z BotoCoreError�socket�errorZchannel_errorsZ driver_typeZ driver_nameZ implements�extend� frozensetr r r r r r r � s& / ����r )7r+ � __future__r r� r �stringr� r rm r Zbotocore.clientr Zbotocore.exceptionsr Zviner r r Zkombu.asynchronousr Zkombu.asynchronous.aws.extr r Z%kombu.asynchronous.aws.sqs.connectionr Z"kombu.asynchronous.aws.sqs.messager Z kombu.logr Z kombu.utilsr Zkombu.utils.encodingr r Zkombu.utils.jsonr r Zkombu.utils.objectsr r� r r( �logger� punctuationr r r% r� r& r, r- r. r/ rT r r r r r �<module> sP �3
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