AWS S3 bucket policy script

AWS S3 bucket policy script.py

import boto3
import json,re

bucket_name_regexp = '.*-data-.*'
def list_all_s3_buckets_and_acls():
    s3_client = boto3.client('s3')
    response = s3_client.list_buckets()

    for bucket in response['Buckets']:
        if re.match(bucket_name_regexp , bucket['Name']):
            bucket_name = bucket['Name']
            print(bucket_name)

        # Print Bucket Policy
            try:
                bucket_policy = s3_client.get_bucket_policy(Bucket=bucket_name)
                if 'Policy' in bucket_policy:
                    policy = json.loads(bucket_policy['Policy'])
                    print('Bucket Policy:', policy)
            except:
                print('No Bucket Policy')

        # Print ACLs
            acl_response = s3_client.get_bucket_acl(Bucket=bucket_name)
            for acl in acl_response['Grants']:
                permission = acl['Permission']
                grantee = acl['Grantee']
                print('Permission:', permission, 'Grantee:', grantee)

            print('Owner:', acl_response['Owner'])
            print('------------------')