purge an s3 bucket of all it's contents, including all object versions

purge.py

#!/usr/bin/env python
# $ nohup python3 ./purge.py foo-bucket &

import sys
import boto3

# Take the bucket name from command line args
BUCKET = sys.argv[1]

s3 = boto3.resource('s3')
bucket = s3.Bucket(BUCKET)

# Delete all object versions in the bucket
bucket.object_versions.delete()

z_keepalive.sh

# This is useful for long-running scripts, as your IAM Token will expire, or something else will break
# $ nohup bash z_keepalive.sh &
while true
do
python3 ./purge.py foo-bucket
sleep 1
done