Extracts tile name, date and AWS index from tile url on AWS.

        :param url: class input parameter 'metafiles'
        :type url: str
        :return: Name of tile, date and AWS index which uniquely identifies tile on AWS
        :rtype: (str, str, int)

def url_to_tile(url):
        """
        Extracts tile name, date and AWS index from tile url on AWS.

        :param url: class input parameter 'metafiles'
        :type url: str
        :return: Name of tile, date and AWS index which uniquely identifies tile on AWS
        :rtype: (str, str, int)
        """
        info = url.strip('/').split('/')
        name = ''.join(info[-7: -4])
        date = '-'.join(info[-4: -1])
        return name, date, int(info[-1])