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from boto.roboto.awsqueryservice import AWSQueryService
from boto.roboto.param import Param

import eucadmin


class DescribeInstances(eucadmin.EucadminRequest):
    ServiceClass = eucadmin.EC2
    ServicePath = '/services/compute'

    Args = [Param(name='InstanceId', long_name='InstanceId', ptype='array',
                  optional=True)]

    def __init__(self, **args):
        eucadmin.EucadminRequest.__init__(self, **args)
        self.list_markers = ['reservationSet', 'instancesSet', 'tagSet']
        self.item_markers = ['item']

    def main(self, **args):
        return self.send(**args)
