cloud_front_root.py

from boto.cloudfront import CloudFrontConnection

def update_default_root_object(searched_origin, aws_access_key_id, aws_secret_access_key, default_root_object='index.html'):
    """ sets default_root_object of an aws cloud front distribution

    for futher information checkout http://boto.s3.amazonaws.com/ref/cloudfront.html
    or http://github.com/boto/boto/tree/master/boto/cloudfront
    """
    connection = CloudFrontConnection(aws_access_key_id=aws_access_key_id, aws_secret_access_key=aws_secret_access_key)
    distro_summary = [distro_summary for distro_summary in connection.get_all_distributions() if distro_summary.origin == searched_origin][0]
    distro = distro_summary.get_distribution()
    distro.update(default_root_object=default_root_object)
    print(connection.get_distribution_config(distro.id).to_xml())

if __name__ == '__main__':
    searched_origin = '<bucket_name>.s3.amazonaws.com'
    aws_access_key_id = '<aws_access_key_id>'
    aws_secret_access_key = '<aws_secret_access_key>'

    update_default_root_object(searched_origin=searched_origin,
            aws_access_key_id=aws_access_key_id,
            aws_secret_access_key=aws_secret_access_key
            )