(CkPython) Azure Storage: List Blobs

Azure Storage Blob Service REST API: Sample code to fetch the list of blobs in the specified container.

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import sys
import chilkat

# Azure Blob Service Example: List the blobs in a specified container.
# See also: https://msdn.microsoft.com/en-us/library/azure/dd135734.aspx

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

rest = chilkat.CkRest()

# 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 = chilkat.CkAuthAzureStorage()
azAuth.put_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.put_Account("chilkat")
azAuth.put_Scheme("SharedKey")
azAuth.put_Service("Blob")
# This causes the "x-ms-version: 2020-08-04" header to be automatically added.
azAuth.put_XMsVersion("2020-08-04")
success = rest.SetAuthAzureStorage(azAuth)

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

# The expected success response is a 200 response status code with an XML response body.
# In this example, we are listing the blobs in the container named "mycontainer".
responseStr = rest.fullRequestNoBody("GET","/mycontainer?restype=container&comp=list")
if (rest.get_LastMethodSuccess() != True):
    print(rest.lastErrorText())
    sys.exit()

# When successful, the Azure Storage service will respond with a 200 response status code,
# with an XML response body.

if (rest.get_ResponseStatusCode() != 200):
    # Examine the request/response to see what happened.
    print("response status code = " + str(rest.get_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()

# Load the XML response for parsing.
# An example of the response XML is shown below.
xml = chilkat.CkXml()
success = xml.LoadXml(responseStr)

print(xml.getXml())

# Let's iterate over the blobs...

lastMod = chilkat.CkDateTime()

numBlobs = xml.NumChildrenAt("Blobs")
i = 0
while i < numBlobs :
    print("---- Blob " + str(i) + " ----")
    xml.put_I(i)
    print("Name: " + xml.getChildContent("Blobs|Blob[i]|Name"))
    print("Content-Length: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-Length"))
    print("Content-Type: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-Type"))
    print("Content-MD5: " + xml.getChildContent("Blobs|Blob[i]|Properties|Content-MD5"))
    print("BlobType: " + xml.getChildContent("Blobs|Blob[i]|Properties|BlobType"))
    print("LeaseStatus: " + xml.getChildContent("Blobs|Blob[i]|Properties|LeaseStatus"))
    lastMod.SetFromRfc822(xml.getChildContent("Blobs|Blob[i]|Properties|Last-Modified"))
    # dt is a CkDtObj
    dt = lastMod.GetDtObj(True)
    print("Last-Modified YMD: " + str(dt.get_Year()) + "," + str(dt.get_Month()) + "," + str(dt.get_Day()))

    i = i + 1

print("-------------------------")

# Use the ChilkatPath method to get information for a specific blob:

# For example, let's say we want the Last-Modified date/time for
# the blob named "helloWorld.txt"
lastModStr = xml.chilkatPath("/C/Name,helloWorld.txt|..|Properties|Last-Modified|*")
print("helloWorld.txt Last-Modified: " + lastModStr)

print("Success.")

# <?xml version="1.0" encoding="utf-8" ?>
# <EnumerationResults ServiceEndpoint="https://chilkat.blob.core.windows.net/" ContainerName="test">
#     <Blobs>
#         <Blob>
#             <Name>hamletC.xml</Name>
#             <Properties>
#                 <Last-Modified>Mon, 02 May 2016 23:50:30 GMT</Last-Modified>
#                 <Etag>0x8D372E48B6D323A</Etag>
#                 <Content-Length>279658</Content-Length>
#                 <Content-Type>application/octet-stream</Content-Type>
#                 <Content-Encoding />
#                 <Content-Language />
#                 <Content-MD5>4E6prI9haw81xadSLeEj3Q==</Content-MD5>
#                 <Cache-Control />
#                 <Content-Disposition>attachment; filename="hamletC.xml"</Content-Disposition>
#                 <BlobType>BlockBlob</BlobType>
#                 <LeaseStatus>unlocked</LeaseStatus>
#                 <LeaseState>available</LeaseState>
#             </Properties>
#         </Blob>
#         <Blob>
#             <Name>helloWorld.txt</Name>
#             <Properties>
#                 <Last-Modified>Mon, 02 May 2016 15:21:55 GMT</Last-Modified>
#                 <Etag>0x8D3729D7EE38299</Etag>
#                 <Content-Length>12</Content-Length>
#                 <Content-Type>application/octet-stream</Content-Type>
#                 <Content-Encoding />
#                 <Content-Language />
#                 <Content-MD5>7Qdih1MuhjZehB6Sv8UNjA==</Content-MD5>
#                 <Cache-Control />
#                 <Content-Disposition>attachment; filename="helloWorld.txt"</Content-Disposition>
#                 <BlobType>BlockBlob</BlobType>
#                 <LeaseStatus>unlocked</LeaseStatus>
#                 <LeaseState>available</LeaseState>
#             </Properties>
#         </Blob>
#         <Blob>
#             <Name>thisIsATest.txt</Name>
#             <Properties>
#                 <Last-Modified>Tue, 03 May 2016 00:22:13 GMT</Last-Modified>
#                 <Etag>0x8D372E8F9B2A62E</Etag>
#                 <Content-Length>1600</Content-Length>
#                 <Content-Type>application/octet-stream</Content-Type>
#                 <Content-Encoding />
#                 <Content-Language />
#                 <Content-MD5>FhgUXYfePg2ItsraPmz0Xg==</Content-MD5>
#                 <Cache-Control />
#                 <Content-Disposition>attachment; filename="thisIsATest.txt"</Content-Disposition>
#                 <BlobType>BlockBlob</BlobType>
#                 <LeaseStatus>unlocked</LeaseStatus>
#                 <LeaseState>available</LeaseState>
#             </Properties>
#         </Blob>
#     </Blobs>
#     <NextMarker />
# </EnumerationResults>
#