def replicate()

in python/example_code/ses/ses_replicate_identities.py [0:0]
59 lines of code
15 McCabe index (conditional complexity)

def replicate(source_client, destination_client, route53_client):
    logging.basicConfig(level=logging.INFO, format='%(levelname)s: %(message)s')

    print('-'*88)
    print(f"Replicating Amazon SES identities and other configuration from "
          f"{source_client.meta.region_name} to {destination_client.meta.region_name}.")
    print('-'*88)

    print(f"Retrieving identities from {source_client.meta.region_name}.")
    source_emails, source_domains = get_identities(source_client)
    print("Email addresses found:")
    print(*source_emails)
    print("Domains found:")
    print(*source_domains)

    print("Starting verification for email identities.")
    dest_emails = verify_emails(source_emails, destination_client)
    print("Getting domain tokens for domain identities.")
    dest_domain_tokens = verify_domains(source_domains, destination_client)

    # Get Route 53 hosted zones and match them with Amazon SES domains.
    answer = input(
        "Is the DNS configuration for your domains managed by Amazon Route 53 (y/n)? ")
    use_route53 = answer.lower() == 'y'
    hosted_zones = get_hosted_zones(route53_client) if use_route53 else []
    if use_route53:
        print("Adding or updating Route 53 TXT records for your domains.")
        domain_zones = find_domain_zone_matches(dest_domain_tokens.keys(), hosted_zones)
        for domain in domain_zones:
            add_route53_verification_record(
                domain, dest_domain_tokens[domain], domain_zones[domain],
                route53_client)
    else:
        print("Use these verification tokens to create TXT records through your DNS "
              "provider:")
        pprint(dest_domain_tokens)

    answer = input("Do you want to configure DKIM signing for your identities (y/n)? ")
    if answer.lower() == 'y':
        # Build a set of unique domains from email and domain identities.
        domains = {email.split('@')[1] for email in dest_emails}
        domains.update(dest_domain_tokens)
        domain_zones = find_domain_zone_matches(domains, hosted_zones)
        for domain, zone in domain_zones.items():
            answer = input(
                f"Do you want to configure DKIM signing for {domain} (y/n)? ")
            if answer.lower() == 'y':
                dkim_tokens = generate_dkim_tokens(domain, destination_client)
                if use_route53 and zone is not None:
                    add_dkim_domain_tokens(zone, domain, dkim_tokens, route53_client)
                else:
                    print(
                        "Add the following DKIM tokens as CNAME records through your "
                        "DNS provider:")
                    print(*dkim_tokens, sep='\n')

    answer = input(
        "Do you want to configure Amazon SNS notifications for your identities (y/n)? ")
    if answer.lower() == 'y':
        for identity in dest_emails + list(dest_domain_tokens.keys()):
            answer = input(
                f"Do you want to configure Amazon SNS topics for {identity} (y/n)? ")
            if answer.lower() == 'y':
                configure_sns_topics(
                    identity, ['Bounce', 'Delivery', 'Complaint'], destination_client)

    print(f"Replication complete for {destination_client.meta.region_name}.")
    print('-'*88)