Walk the media/static directories and syncs files to S3

def sync_s3(self):
        """Walk the media/static directories and syncs files to S3"""
        bucket, key = self.open_s3()
        for directory in self.DIRECTORIES:
            for root, dirs, files in os.walk(directory):
                self.upload_s3((bucket, key, self.AWS_BUCKET_NAME, directory), root, files, dirs)