CkPython
SQS Receive Message

Retrieves one or more messages from an Amazon SQS queue, with a maximum limit of 10 messages, from the specified queue.
See SQS ReceiveMessage or detailed information.
Chilkat CkPython Downloads

CkPython
import sys
import chilkat

success = False

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

rest = chilkat.CkRest()

# Connect to the Amazon AWS REST server.
# such as https://sqs.us-west-2.amazonaws.com/
bTls = True
port = 443
bAutoReconnect = True
success = rest.Connect("sqs.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

# Provide AWS credentials for the REST call.
authAws = chilkat.CkAuthAws()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
# the region should match our URL above..
authAws.put_Region("us-west-2")
authAws.put_ServiceName("sqs")

rest.SetAuthAws(authAws)

rest.AddQueryParam("Action","ReceiveMessage")
rest.AddQueryParam("MaxNumberOfMessages","5")
rest.AddQueryParam("VisibilityTimeout","15")
rest.AddQueryParam("AttributeName","All")
rest.AddQueryParam("MessageAttributeName","All")

# Use the actual path part of your SQS queue URL here:
responseXml = rest.fullRequestNoBody("GET","/123456789123/chilkatTest")
if (rest.get_LastMethodSuccess() != True):
    print(rest.lastErrorText())
    sys.exit()

# A successful response will have a status code equal to 200.
if (rest.get_ResponseStatusCode() != 200):
    print("response status code = " + str(rest.get_ResponseStatusCode()))
    print("response status text = " + rest.responseStatusText())
    print("response header: " + rest.responseHeader())
    print("response body: " + responseXml)
    sys.exit()

# Examine the successful XML response.
xml = chilkat.CkXml()
xml.LoadXml(responseXml)
print(xml.getXml())
print("----")

# A successful response looks like this:
# <?xml version="1.0" encoding="utf-8" ?>
# <ReceiveMessageResponse xmlns="http://queue.amazonaws.com/doc/2012-11-05/">
#     <ReceiveMessageResult>
#         <Message>
#             <Body>this is a test</Body>
#             <MD5OfBody>54b0c58c7ce9f2a8b551351102ee0938</MD5OfBody>
#             <ReceiptHandle>AQEBMyLof...UbKBTvHtEg==</ReceiptHandle>
#             <Attribute>
#                 <Name>SenderId</Name>
#                 <Value>957491831129</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>ApproximateFirstReceiveTimestamp</Name>
#                 <Value>1475013283557</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>ApproximateReceiveCount</Name>
#                 <Value>4</Value>
#             </Attribute>
#             <Attribute>
#                 <Name>SentTimestamp</Name>
#                 <Value>1475013283557</Value>
#             </Attribute>
#             <MessageId>52882c65-5e21-4450-9024-93a3b01e61d3</MessageId>
#             <MD5OfMessageAttributes>2ff68603f4239272bd03f543254ed040</MD5OfMessageAttributes>
#         </Message>
#     </ReceiveMessageResult>
#     <ResponseMetadata>
#         <RequestId>05ba5c92-80ee-5f87-be76-0cf67b7475d6</RequestId>
#     </ResponseMetadata>
# </ReceiveMessageResponse>

# Get some values from the XML:
print("Body: " + xml.chilkatPath("ReceiveMessageResult|Message|Body|*"))
print("MessageId: " + xml.chilkatPath("ReceiveMessageResult|Message|MessageId|*"))

unused = xml.chilkatPath("ReceiveMessageResult|Message[0]|Attribute|$")

# rec is a CkXml
rec = xml.FindNextRecord("Name","SenderId")
print("SenderId: " + rec.getChildContent("Value"))

# rec is a CkXml
rec = xml.FindNextRecord("Name","ApproximateFirstReceiveTimestamp")
print("ApproximateFirstReceiveTimestamp: " + rec.getChildContent("Value"))

# rec is a CkXml
rec = xml.FindNextRecord("Name","ApproximateReceiveCount")
print("ApproximateReceiveCount: " + rec.getChildContent("Value"))

# rec is a CkXml
rec = xml.FindNextRecord("Name","SentTimestamp")
print("SentTimestamp: " + rec.getChildContent("Value"))

xml.GetRoot2()