(CkPython) Azure Service Bus - Read Queued Message

See more Azure Service Bus Examples

Demonstrates read a message from an Azure Service Bus Queue. The message is received and removed from the queue.

For more information, see https://docs.microsoft.com/en-us/rest/api/servicebus/receive-and-delete-message-destructive-read

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import sys
import chilkat

# Note: Requires Chilkat v9.5.0.65 or greater.

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

# Make the initial connection.
# A single REST object, once connected, can be used for many Azure Service Bus REST API calls.
# The auto-reconnect indicates that if the already-established HTTPS connection is closed,
# then it will be automatically re-established as needed.
rest = chilkat.CkRest()
bAutoReconnect = True
success = rest.Connect("<yournamespace>.servicebus.windows.net",443,True,bAutoReconnect)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

# ----------------------------------------------------------------------------------------------
# The code above this comment could be placed inside a function/subroutine within the application
# because the connection does not need to be made for every request.  Once the connection is made
# the app may send many requests..
# ----------------------------------------------------------------------------------------------

# Receive and delete a message from a queue named "gila";
queueName = "gila"

# Let's load a previously computed SAS token and use it.
# See Azure Shared Access Signature for an example to genenerate an Azure SAS token.
sbToken = chilkat.CkStringBuilder()
sbToken.LoadFile("qa_data/tokens/serviceBusSas.txt","utf-8")

# Tell the REST object to use the Azure Shared Access Signature for authorization.
sbToken.Prepend("SharedAccessSignature ")
rest.AddHeader("Authorization",sbToken.getAsString())

# Build the path..
sbPath = chilkat.CkStringBuilder()
sbPath.Append("/")
sbPath.Append(queueName)
sbPath.Append("/messages/head")

# Add timeout and api-version query parameters.
rest.AddQueryParam("timeout","20")
rest.AddQueryParam("api-version","2013-08")

# Use the DELETE HTTP verb to read the message at the head of the queue and remove it.
sbResponseBody = chilkat.CkStringBuilder()
success = rest.FullRequestNoBodySb("DELETE",sbPath.getAsString(),sbResponseBody)
if (success != True):
    print(rest.lastErrorText())
    sys.exit()

print("Response Status Code = " + str(rest.get_ResponseStatusCode()))

# Check for a success response.
if (rest.get_ResponseStatusCode() != 200):
    print(rest.lastRequestStartLine())
    print(rest.lastRequestHeader())
    print(sbResponseBody.getAsString())
    print("Failed.")
    sys.exit()

# If successful, the message is the contents of the response body.
message = sbResponseBody.getAsString()
print("Dequeued message: " + message)

print("Success.")