CkPython Requires Chilkat v11.0.0+

S3 Upload with Transfer Acceleration

See more Amazon S3 Examples

Demonstrates how to upload from a pre-signed URL with transfer acceleration. 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.

http = chilkat.CkHttp()

http.put_AwsAccessKey("AWS_ACCESS_KEY")
http.put_AwsSecretKey("AWS_SECRET_KEY")

#  Make sure to set your AWS region correctly
http.put_AwsRegion("us-east-1")
bucketName = "chilkat200"
objectName = "starfish/starfish.jpg"
awsService = "s3"
httpVerb = "PUT"

#  To use S3 acceleration, we simply set the AwsEndpoint to "s3-accelerate.amazonaws.com".
#  Note: You must enable transfer acceleration on your bucket.  Acceleration incurs a higher cost.
http.put_AwsEndpoint("s3-accelerate.amazonaws.com")

#  The signed URL will be valid for this number of seconds:
numSecondsValid = 86400

#  Choose between a URL beginning with "http://" or "https://"...
bUseHttps = True

#  Generate the pre-signed URL that will use s3-accelerate.amazonaws.com
preSignedUrl = http.s3_GenPresignedUrl(httpVerb,bUseHttps,bucketName,objectName,numSecondsValid,awsService)
if (http.get_LastMethodSuccess() == False):
    print(http.lastErrorText())
    sys.exit()

#  The following URL can be copy-and-pasted into a browser..
print("Presigned URL for Upload: " + preSignedUrl)

#  Here's an example of a pre-signed URL
#  
#  http://chilkat200.s3-accelerate.amazonaws.com/starfish/starfish.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAIBJLOVZVXAU2AFUA%2F20200623%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date=20200623T234049Z&X-Amz-Expires=86400&X-Amz-SignedHeaders=host&X-Amz-Signature=xxxxxeaea071178d772856c0a4e4c0114a8d9992f0d0812955e490d0exxxxxxx
#  

#  Upload a local file using the pre-signed URL.
#  (Chilkat provides other methods to upload file data directly from binary or text data in memory.)
resp = chilkat.CkHttpResponse()
success = http.HttpFile("PUT",preSignedUrl,"qa_data/jpg/starfish.jpg","image/jpg",resp)
if (success == False):
    print(http.lastErrorText())
    sys.exit()

print("response status code = " + str(resp.get_StatusCode()))
print("response body size: " + str(resp.get_ContentLength()))
if (resp.get_ContentLength() > 0):
    print("response body:")
    print(resp.bodyStr())