mirror of
https://github.com/django-q2/django-q2.git
synced 2026-09-29 23:38:11 +08:00
66 lines
1.8 KiB
Python
66 lines
1.8 KiB
Python
from boto3 import Session
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from django_q.brokers import Broker
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from django_q.conf import Conf
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class Sqs(Broker):
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def __init__(self, list_key: str = Conf.PREFIX):
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self.sqs = None
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super(Sqs, self).__init__(list_key)
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self.queue = self.get_queue()
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def enqueue(self, task):
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response = self.queue.send_message(MessageBody=task)
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return response.get("MessageId")
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def dequeue(self):
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# sqs supports max 10 messages in bulk
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if Conf.BULK > 10:
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Conf.BULK = 10
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tasks = self.queue.receive_messages(
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MaxNumberOfMessages=Conf.BULK, VisibilityTimeout=Conf.RETRY
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)
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if tasks:
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return [(t.receipt_handle, t.body) for t in tasks]
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def acknowledge(self, task_id):
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return self.delete(task_id)
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def queue_size(self) -> int:
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return int(self.queue.attributes["ApproximateNumberOfMessages"])
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def lock_size(self) -> int:
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return int(self.queue.attributes["ApproximateNumberOfMessagesNotVisible"])
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def delete(self, task_id):
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message = self.sqs.Message(self.queue.url, task_id)
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message.delete()
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def fail(self, task_id):
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self.delete(task_id)
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def delete_queue(self):
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self.queue.delete()
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def purge_queue(self):
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self.queue.purge()
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def ping(self) -> bool:
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return "sqs" in self.connection.get_available_resources()
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def info(self) -> str:
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return "AWS SQS"
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@staticmethod
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def get_connection(list_key: str = Conf.PREFIX) -> Session:
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config = Conf.SQS
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if "aws_region" in config:
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config["region_name"] = config["aws_region"]
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del config["aws_region"]
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return Session(**config)
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def get_queue(self):
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self.sqs = self.connection.resource("sqs")
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return self.sqs.create_queue(QueueName=self.list_key)
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