Remove all Cloudformation Stacks, but make empty ECR repositories before

purge.py

import botocore, boto3

ecr = boto3.client('ecr')
repos = ecr.describe_repositories()

for repo in repos['repositories']:
    images = ecr.list_images(repositoryName=repo['repositoryName'])

    if bool(images['imageIds']) == True:
        ecr.batch_delete_image(
            repositoryName=repo['repositoryName'],
            imageIds=images['imageIds']
        )

cf = boto3.client('cloudformation')
r = cf.describe_stacks()

for stack in r['Stacks']:
     try:
         cf.delete_stack(StackName=stack['StackName'])
     except:
         pass