def packages(self, name=None, memory=None, disk=None, swap=None,
                version=None, vcpus=None, group=None):
        """
        ::
        
            GET /:login/packages
        
        :param name: the label associated with the resource package
        :type name: :py:class:`basestring`
        
        :param memory: amount of RAM (in MiB) that the package provisions
        :type memory: :py:class:`int`
        
        :param disk: amount of disk storage (in MiB) the package provisions
        :type disk: :py:class:`int`
        
        :param swap: amount of swap (in MiB) the package provisions
        :type swap: :py:class:`int`
        
        :param version: the version identifier associated with the package
        :type version: :py:class:`basestring`
        
        :param vcpus: the number of virtual CPUs provisioned with the package
        :type vcpus: :py:class:`int`
        
        :param group: the group to which the package belongs
        :type group: :py:class:`basestring`
        
        :Returns: packages (machine "sizes", with resource types and values) 
            available in this datacenter.
        :rtype: :py:class:`list` of :py:class:`dict`\s
        """
        params = {}
        if name:
            params['name'] = name
        if memory:
            params['memory'] = memory
        if disk:
            params['disk'] = disk
        if swap:
            params['swap'] = swap
        if version:
            params['version'] = version
        if vcpus:
            params['vcpus'] = vcpus
        if group:
            params['group'] = group
        j, _ = self.request('GET', '/packages', params=params)
        return j
::
        
            GET /:login/packages
        
        :param name: the label associated with the resource package
        :type name: :py:class:`basestring`
        
        :param memory: amount of RAM (in MiB) that the package provisions
        :type memory: :py:class:`int`
        
        :param disk: amount of disk storage (in MiB) the package provisions
        :type disk: :py:class:`int`
        
        :param swap: amount of swap (in MiB) the package provisions
        :type swap: :py:class:`int`
        
        :param version: the version identifier associated with the package
        :type version: :py:class:`basestring`
        
        :param vcpus: the number of virtual CPUs provisioned with the package
        :type vcpus: :py:class:`int`
        
        :param group: the group to which the package belongs
        :type group: :py:class:`basestring`
        
        :Returns: packages (machine "sizes", with resource types and values) 
            available in this datacenter.
        :rtype: :py:class:`list` of :py:class:`dict`\s