Delete multiple items in a domain.
        
        :type domain_or_name: string or :class:`boto.sdb.domain.Domain` object.
        :param domain_or_name: Either the name of a domain or a Domain object

        :type items: dict or dict-like object
        :param items: A dictionary-like object.  The keys of the dictionary are
            the item names and the values are either:
            
                * dictionaries of attribute names/values, exactly the
                  same as the attribute_names parameter of the scalar
                  put_attributes call.  The attribute name/value pairs
                  will only be deleted if they match the name/value
                  pairs passed in.
                * None which means that all attributes associated
                  with the item should be deleted.  

        :return: True if successful

def batch_delete_attributes(self, domain_or_name, items):
        """
        Delete multiple items in a domain.
        
        :type domain_or_name: string or :class:`boto.sdb.domain.Domain` object.
        :param domain_or_name: Either the name of a domain or a Domain object

        :type items: dict or dict-like object
        :param items: A dictionary-like object.  The keys of the dictionary are
            the item names and the values are either:
            
                * dictionaries of attribute names/values, exactly the
                  same as the attribute_names parameter of the scalar
                  put_attributes call.  The attribute name/value pairs
                  will only be deleted if they match the name/value
                  pairs passed in.
                * None which means that all attributes associated
                  with the item should be deleted.  

        :return: True if successful
        """
        domain, domain_name = self.get_domain_and_name(domain_or_name)
        params = {'DomainName' : domain_name}
        self._build_batch_list(params, items, False)
        return self.get_status('BatchDeleteAttributes', params, verb='POST')