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from __future__ import (absolute_import, division, print_function)
__metaclass__ = type

from functools import partial

from ansible import errors


def lvm_volume_list(data):
    try:
        thinpools = []
        volumes = []
        for name, volume in data.items():
            entry = {'name': name, 'volume': volume}
            if 'thinpool' in volume and volume['thinpool'] == True:
                thinpools.append(entry)
            else:
                volumes.append(entry)
        return thinpools + volumes
    except Exception as e:
        raise errors.AnsibleFilterError("lvm_volume_list(): %s" % str(e))


class FilterModule(object):

    filter_map = {
        'lvm_volume_list': lvm_volume_list,
    }

    def filters(self):
        return self.filter_map