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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: blob_samples_copy_blob_async.py
DESCRIPTION:
This sample demos how to copy a blob from a URL.
USAGE: python blob_samples_copy_blob_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 os
import sys
import asyncio
import time
from azure.storage.blob.aio import BlobServiceClient
async def main():
try:
CONNECTION_STRING = os.environ['STORAGE_CONNECTION_STRING']
except KeyError:
print("STORAGE_CONNECTION_STRING must be set.")
sys.exit(1)
status = None
blob_service_client = BlobServiceClient.from_connection_string(CONNECTION_STRING)
async with blob_service_client:
source_blob = "https://www.gutenberg.org/files/59466/59466-0.txt"
await blob_service_client.create_container('mycontainerasync')
copied_blob = blob_service_client.get_blob_client("mycontainerasync", '59466-0.txt')
# Copy started"
await copied_blob.start_copy_from_url(source_blob)
for i in range(10):
props = await copied_blob.get_blob_properties()
if props.copy.status is not None:
status = props.copy.status
else:
status = "None"
print("Copy status: " + status)
if status == "success":
# copy finished
break
time.sleep(10)
if status != "success":
# if not finished after 100s, cancel the operation
props = await copied_blob.get_blob_properties()
print(props.copy.status)
copy_id = props.copy.id
if copy_id is not None:
await copied_blob.abort_copy(copy_id)
else:
print("copy_id was unexpectedly None, check if the operation completed successfully.")
sys.exit(1)
props = await copied_blob.get_blob_properties()
print(props.copy.status)
if __name__ == "__main__":
asyncio.run(main())
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