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example.py
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example.py
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# ----------------------------------------------------------------------------------
# MIT License
#
# Copyright(c) Microsoft Corporation. All rights reserved.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# ----------------------------------------------------------------------------------
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
import os
import uuid
import sys
from azure.storage.blob import BlockBlobService, PublicAccess
# ---------------------------------------------------------------------------------------------------------
# Method that creates a test file in the 'Sample' folder.
# This sample application creates a test file, uploads the test file to the Blob storage,
# lists the blobs in the container, and downloads the file with a new name.
# ---------------------------------------------------------------------------------------------------------
# Documentation References:
# Associated Article - https://docs.microsoft.com/en-us/azure/storage/blobs/storage-quickstart-blobs-python
# What is a Storage Account - http://azure.microsoft.com/en-us/documentation/articles/storage-whatis-account/
# Getting Started with Blobs-https://docs.microsoft.com/en-us/azure/storage/blobs/storage-python-how-to-use-blob-storage
# Blob Service Concepts - http://msdn.microsoft.com/en-us/library/dd179376.aspx
# Blob Service REST API - http://msdn.microsoft.com/en-us/library/dd135733.aspx
# ----------------------------------------------------------------------------------------------------------
def run_sample():
try:
# Create the BlockBlobService that is used to call the Blob service for the storage account
blob_service_client = BlockBlobService(
account_name='accountname', account_key='accountkey')
# Create a container called 'quickstartblobs'.
container_name = 'quickstartblobs'
blob_service_client.create_container(container_name)
# Set the permission so the blobs are public.
blob_service_client.set_container_acl(
container_name, public_access=PublicAccess.Container)
# Create Sample folder if it not exists, and create a file in folder Sample to test the upload and download.
local_path = os.path.expanduser("~/Sample")
if not os.path.exists(local_path):
os.makedirs(os.path.expanduser("~/Sample"))
local_file_name = "QuickStart_" + str(uuid.uuid4()) + ".txt"
full_path_to_file = os.path.join(local_path, local_file_name)
# Write text to the file.
file = open(full_path_to_file, 'w')
file.write("Hello, World!")
file.close()
print("Temp file = " + full_path_to_file)
print("\nUploading to Blob storage as blob" + local_file_name)
# Upload the created file, use local_file_name for the blob name
blob_service_client.create_blob_from_path(
container_name, local_file_name, full_path_to_file)
# List the blobs in the container
print("\nList blobs in the container")
generator = blob_service_client.list_blobs(container_name)
for blob in generator:
print("\t Blob name: " + blob.name)
# Download the blob(s).
# Add '_DOWNLOADED' as prefix to '.txt' so you can see both files in Documents.
full_path_to_file2 = os.path.join(local_path, str.replace(
local_file_name ,'.txt', '_DOWNLOADED.txt'))
print("\nDownloading blob to " + full_path_to_file2)
blob_service_client.get_blob_to_path(
container_name, local_file_name, full_path_to_file2)
sys.stdout.write("Sample finished running. When you hit <any key>, the sample will be deleted and the sample "
"application will exit.")
sys.stdout.flush()
input()
# Clean up resources. This includes the container and the temp files
blob_service_client.delete_container(container_name)
os.remove(full_path_to_file)
os.remove(full_path_to_file2)
except Exception as e:
print(e)
# Main method.
if __name__ == '__main__':
run_sample()