Retrieve information about your VPCs.  You can filter results to
        return information only about those VPCs that match your search
        parameters.  Otherwise, all VPCs associated with your account
        are returned.

        :type vpc_ids: list
        :param vpc_ids: A list of strings with the desired VPC ID's

        :type filters: list of tuples
        :param filters: A list of tuples containing filters.  Each tuple
                        consists of a filter key and a filter value.
                        Possible filter keys are:

                        - *state*, the state of the VPC (pending or available)
                        - *cidrBlock*, CIDR block of the VPC
                        - *dhcpOptionsId*, the ID of a set of DHCP options

        :rtype: list
        :return: A list of :class:`boto.vpc.vpc.VPC`

def get_all_vpcs(self, vpc_ids=None, filters=None):
        """
        Retrieve information about your VPCs.  You can filter results to
        return information only about those VPCs that match your search
        parameters.  Otherwise, all VPCs associated with your account
        are returned.

        :type vpc_ids: list
        :param vpc_ids: A list of strings with the desired VPC ID's

        :type filters: list of tuples
        :param filters: A list of tuples containing filters.  Each tuple
                        consists of a filter key and a filter value.
                        Possible filter keys are:

                        - *state*, the state of the VPC (pending or available)
                        - *cidrBlock*, CIDR block of the VPC
                        - *dhcpOptionsId*, the ID of a set of DHCP options

        :rtype: list
        :return: A list of :class:`boto.vpc.vpc.VPC`
        """
        params = {}
        if vpc_ids:
            self.build_list_params(params, vpc_ids, 'VpcId')
        if filters:
            i = 1
            for filter in filters:
                params[('Filter.%d.Name' % i)] = filter[0]
                params[('Filter.%d.Value.1' % i)] = filter[1]
                i += 1
        return self.get_list('DescribeVpcs', params, [('item', VPC)])