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# coding: utf-8
# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See License.txt in the project root for
# license information.
# --------------------------------------------------------------------------
"""
FILE: queue_samples_service_async.py
DESCRIPTION:
These samples demonstrate the following: setting and getting queue service properties,
listing the queues in the service, and getting a QueueClient from a QueueServiceClient.
USAGE:
python queue_samples_service_async.py
Set the environment variables with your own values before running the sample:
1) STORAGE_CONNECTION_STRING - the connection string to your storage account
"""
import asyncio
import os
import sys
class QueueServiceSamplesAsync(object):
connection_string = os.getenv("STORAGE_CONNECTION_STRING")
async def queue_service_properties_async(self):
if self.connection_string is None:
print("Missing required environment variable: connection_string")
sys.exit(1)
# Instantiate the QueueServiceClient from a connection string
from azure.storage.queue.aio import QueueServiceClient
queue_service = QueueServiceClient.from_connection_string(conn_str=self.connection_string)
async with queue_service:
# [START async_set_queue_service_properties]
# Create service properties
from azure.storage.queue import QueueAnalyticsLogging, Metrics, CorsRule, RetentionPolicy
# Create logging settings
logging = QueueAnalyticsLogging(
read=True, write=True, delete=True, retention_policy=RetentionPolicy(enabled=True, days=5)
)
# Create metrics for requests statistics
hour_metrics = Metrics(
enabled=True, include_apis=True, retention_policy=RetentionPolicy(enabled=True, days=5)
)
minute_metrics = Metrics(
enabled=True, include_apis=True, retention_policy=RetentionPolicy(enabled=True, days=5)
)
# Create CORS rules
cors_rule1 = CorsRule(["www.xyz.com"], ["GET"])
allowed_origins = ["www.xyz.com", "www.ab.com", "www.bc.com"]
allowed_methods = ["GET", "PUT"]
max_age_in_seconds = 500
exposed_headers = ["x-ms-meta-data*", "x-ms-meta-source*", "x-ms-meta-abc", "x-ms-meta-bcd"]
allowed_headers = ["x-ms-meta-data*", "x-ms-meta-target*", "x-ms-meta-xyz", "x-ms-meta-foo"]
cors_rule2 = CorsRule(
allowed_origins,
allowed_methods,
max_age_in_seconds=max_age_in_seconds,
exposed_headers=exposed_headers,
allowed_headers=allowed_headers,
)
cors = [cors_rule1, cors_rule2]
# Set the service properties
await queue_service.set_service_properties(logging, hour_metrics, minute_metrics, cors)
# [END async_set_queue_service_properties]
# [START async_get_queue_service_properties]
properties = await queue_service.get_service_properties()
# [END async_get_queue_service_properties]
async def queues_in_account_async(self):
if self.connection_string is None:
print("Missing required environment variable: connection_string")
sys.exit(1)
# Instantiate the QueueServiceClient from a connection string
from azure.storage.queue.aio import QueueServiceClient
queue_service = QueueServiceClient.from_connection_string(conn_str=self.connection_string)
async with queue_service:
# [START async_qsc_create_queue]
await queue_service.create_queue("asyncmyqueue1")
# [END async_qsc_create_queue]
try:
# [START async_qsc_list_queues]
# List all the queues in the service
list_queues = queue_service.list_queues()
async for queue in list_queues:
print(queue)
# List the queues in the service that start with the name "my_"
list_my_queues = queue_service.list_queues(name_starts_with="my_")
async for queue in list_my_queues:
print(queue)
# [END async_qsc_list_queues]
finally:
# [START async_qsc_delete_queue]
await queue_service.delete_queue("asyncmyqueue1")
# [END async_qsc_delete_queue]
async def get_queue_client_async(self):
if self.connection_string is None:
print("Missing required environment variable: connection_string")
sys.exit(1)
# Instantiate the QueueServiceClient from a connection string
from azure.storage.queue.aio import QueueServiceClient, QueueClient
queue_service = QueueServiceClient.from_connection_string(conn_str=self.connection_string)
# [START async_get_queue_client]
# Get the queue client to interact with a specific queue
queue = queue_service.get_queue_client(queue="asyncmyqueue2")
# [END async_get_queue_client]
async def main():
sample = QueueServiceSamplesAsync()
await sample.queue_service_properties_async()
await sample.queues_in_account_async()
await sample.get_queue_client_async()
if __name__ == "__main__":
asyncio.run(main())
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