Chilkat2-Python

Azure Storage: Upload Empty File to Block Blob

See more Azure Cloud Storage Examples

Demonstrates how to create an empty block blob in Azure Storage. Chilkat2-Python

import sys
import chilkat2

success = False

# Azure Blob Service Example: Demonstrates how to create an empty block blob.
# See also: https://msdn.microsoft.com/en-us/library/azure/dd179451.aspx

# 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.

# IMPORTANT: Make sure to set the x-ms-blob-type header:
success = rest.AddHeader("x-ms-blob-type","BlockBlob")

# To create an empty blob, upload a zero-length string.
responseStr = rest.FullRequestString("PUT","/mycontainer/empty.txt","")
if (rest.LastMethodSuccess != True):
    print(rest.LastErrorText)
    sys.exit()

# When successful, the Azure Storage service will respond with a 201 response status code,
# with no response body.

if (rest.ResponseStatusCode != 201):
    # 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.")