(Chilkat2-Python) Azure Storage: Download Blob to File

See more Azure Cloud Storage Examples

Sample code to download an Azure blob to a file.

For more information, see https://docs.microsoft.com/en-us/rest/api/storageservices/get-blob

Chilkat2 Python Downloads install with pip pip3 install chilkat2 or download... Python Module for Windows, Linux, Alpine Linux, MacOS, Solaris

import sys
import chilkat2

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = chilkat2.Rest()

# Connect to the Azure Storage Blob Service
bTls = True
port = 443
bAutoReconnect = True
# In this example, the storage account name is "chilkat".
success = rest.Connect("chilkat.blob.core.windows.net",port,bTls,bAutoReconnect)
if (success != True):
    print(rest.LastErrorText)
    sys.exit()

# Provide Azure Cloud credentials for the REST call.
azAuth = chilkat2.AuthAzureStorage()
azAuth.AccessKey = "AZURE_ACCESS_KEY"
# The account name used here should match the 1st part of the domain passed in the call to Connect (above).
azAuth.Account = "chilkat"
azAuth.Scheme = "SharedKey"
azAuth.Service = "Blob"
# This causes the "x-ms-version: 2021-08-06" header to be automatically added.
azAuth.XMsVersion = "2021-08-06"
success = rest.SetAuthAzureStorage(azAuth)

# Note: The application does not need to explicitly set the following
# headers: Content-Length, x-ms-date, Authorization.  These headers
# are automatically set by Chilkat.

# Setup a file stream for the download
fileStream = chilkat2.Stream()
fileStream.SinkFile = "qa_output/starfish.jpg"

# Indicate that the call to FullRequestNoBody should send the response body
# to fileStream if the response status code is 200.
# If a non-success response status code is received, then nothing
# is streamed to the output file and the error response is returned by FullRequestNoBody.
expectedStatus = 200
rest.SetResponseBodyStream(expectedStatus,True,fileStream)

# The Azure blob container is "test", the file is "starfish.jpg"
responseStr = rest.FullRequestNoBody("GET","/test/starfish.jpg")
if (rest.LastMethodSuccess != True):
    # Examine the request/response to see what happened.
    print("response status code = " + str(rest.ResponseStatusCode))
    print("response status text = " + rest.ResponseStatusText)
    print("response header: " + rest.ResponseHeader)
    print("response body (if any): " + responseStr)
    print("---")
    print("LastRequestStartLine: " + rest.LastRequestStartLine)
    print("LastRequestHeader: " + rest.LastRequestHeader)
    sys.exit()

print("Success.")