CkPython

Wasabi List Bucket Objects

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Demonstrates how to download and parse XML for the list of objects in a bucket. CkPython

import sys
import chilkat

success = False

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

http = chilkat.CkHttp()

# Insert your access key here:
http.put_AwsAccessKey("access-key")

# Insert your secret key here:
http.put_AwsSecretKey("secret-key")

# Use the endpoint matching the bucket's region.
http.put_AwsEndpoint("s3.us-west-1.wasabisys.com")

bucketName = "chilkattest"

strXml = http.s3_ListBucketObjects(bucketName)
if (http.get_LastMethodSuccess() != True):
    print(http.lastErrorText())
    sys.exit()

print("Response status code = " + str(http.get_LastStatus()))

xml = chilkat.CkXml()
success = xml.LoadXml(strXml)
if (success != True):
    print(xml.lastErrorText())
    sys.exit()

# If the response status code was not 200, then the XML response is not a 
# listing of objects, but instead contains error information.
if (http.get_LastStatus() != 200):
    print(xml.getXml())
    print("Failed.")
    sys.exit()

# A sample response is shown below.
print(xml.getXml())
print("----")

# Use this online tool to generate parsing code from sample XML: 
# Generate Parsing Code from XML

# <?xml version="1.0" encoding="UTF-8"?>
# <ListBucketResult xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
#     <Name>chilkattest</Name>
#     <Prefix/>
#     <Marker/>
#     <MaxKeys>1000</MaxKeys>
#     <IsTruncated>false</IsTruncated>
#     <Contents>
#         <Key>orchard.json</Key>
#         <LastModified>2021-10-27T22:58:49.000Z</LastModified>
#         <ETag>&quot;303fb46cf341094fef6274b7789cd6aa&quot;</ETag>
#         <Size>22</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
#     <Contents>
#         <Key>seahorse.jpg</Key>
#         <LastModified>2021-10-27T22:35:29.000Z</LastModified>
#         <ETag>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</ETag>
#         <Size>24388</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
#     <Contents>
#         <Key>seahorse2.jpg</Key>
#         <LastModified>2021-10-27T22:03:51.000Z</LastModified>
#         <ETag>&quot;a8551f0a5437f43a796fca7623ee9232&quot;</ETag>
#         <Size>24388</Size>
#         <Owner>
#             <ID>1039F31570DBC320E89D391632FCA06FE6D10CBB2ADBD0BF6439BB1DA0C3FAD6</ID>
#             <DisplayName>admin</DisplayName>
#         </Owner>
#         <StorageClass>STANDARD</StorageClass>
#     </Contents>
# </ListBucketResult>

ListBucketResult_xmlns = xml.getAttrValue("xmlns")
Name = xml.getChildContent("Name")
MaxKeys = xml.GetChildIntValue("MaxKeys")
IsTruncated = xml.getChildContent("IsTruncated")
i = 0
count_i = xml.NumChildrenHavingTag("Contents")
while i < count_i :
    xml.put_I(i)
    Key = xml.getChildContent("Contents[i]|Key")
    LastModified = xml.getChildContent("Contents[i]|LastModified")
    ETag = xml.getChildContent("Contents[i]|ETag")
    SizeDecimalStr = xml.getChildContent("Contents[i]|Size")
    ID = xml.getChildContent("Contents[i]|Owner|ID")
    DisplayName = xml.getChildContent("Contents[i]|Owner|DisplayName")
    StorageClass = xml.getChildContent("Contents[i]|StorageClass")
    print(str(i) + ": " + Key)
    i = i + 1