new_contents: from . import AWSObject, AWSProperty
  from .validators import positive_integer
  
  
  class ComputeResources(AWSProperty):
  
      props = {
          "SpotIamFleetRole": (basestring, False),
          "MaxvCpus": (positive_integer, True),
          "SecurityGroupIds": ([basestring], True),
          "BidPercentage": (positive_integer, False),
          "Type": (basestring, True),
          "Subnets": ([basestring], True),
          "MinvCpus": (positive_integer, True),
          "ImageId": (basestring, False),
          "InstanceRole": (basestring, True),
          "InstanceTypes": ([basestring], True),
          "Ec2KeyPair": (basestring, False),
          "Tags": ([basestring], False),
          "DesiredvCpus": (positive_integer, False)
      }
  
  
  class MountPoints(AWSProperty):
  
      props = {
          "ReadOnly": (bool, False),
          "SourceVolume": (basestring, False),
          "ContainerPath": (basestring, False)
      }
  
  
  class VolumesHost(AWSProperty):
  
      props = {
          "SourcePath": (basestring, False)
      }
  
  
  class Volumes(AWSProperty):
  
      props = {
          "Host": (VolumesHost, False),
          "Name": (basestring, False)
      }
  
  
  class Environment(AWSProperty):
  
      props = {
          "Value": (basestring, False),
          "Name": (basestring, False)
      }
  
  
  class Ulimit(AWSProperty):
  
      props = {
          "SoftLimit": (positive_integer, True),
          "HardLimit": (positive_integer, True),
          "Name": (basestring, True)
      }
  
  
  class ContainerProperties(AWSProperty):
  
      props = {
          "MountPoints": ([MountPoints], False),
          "User": (basestring, False),
          "Volumes": ([Volumes], False),
          "Command": ([basestring], False),
          "Memory": (positive_integer, True),
          "Privileged": (bool, False),
          "Environment": ([Environment], False),
          "JobRoleArn": (basestring, False),
          "ReadonlyRootFilesystem": (bool, False),
          "Ulimits": ([Ulimit], False),
          "Vcpus": (positive_integer, True),
          "Image": (basestring, True)
      }
  
  
  class RetryStrategy(AWSProperty):
  
      props = {
          "Attempts": (positive_integer, False)
      }
  
  
  class JobDefinition(AWSObject):
      resource_type = "AWS::Batch::JobDefinition"
  
      props = {
          "Type": (basestring, True),
          "Parameters": (dict, True),
          "ContainerProperties": (ContainerProperties, False),
          "JobDefinitionName": (basestring, True),
          "RetryStrategy": (RetryStrategy, False)
      }
  
  
  def validate_environment_state(environment_state):
      """ Validate response type
      :param environment_state: State of the environment
      :return: The provided value if valid
      """
      valid_states = [
          "ENABLED",
          "DISABLED"
      ]
      if environment_state not in valid_states:
          raise ValueError(
              "{} is not a valid environment state".format(environment_state)
          )
      return environment_state
  
  
  class ComputeEnvironment(AWSObject):
      resource_type = "AWS::Batch::ComputeEnvironment"
  
      props = {
          "Type": (basestring, True),
          "ServiceRole": (basestring, True),
          "ComputeEnvironmentName": (basestring, False),
          "ComputeResources": (ComputeResources, True),
          "State": (validate_environment_state, False)
      }
  
  
  class ComputeEnvironmentOrder(AWSProperty):
  
      props = {
          "ComputeEnvironment": (basestring, True),
          "Order": (positive_integer, True)
      }
  
  
  def validate_queue_state(queue_state):
      """ Validate response type
      :param queue_state: State of the queue
      :return: The provided value if valid
      """
      valid_states = [
          "ENABLED",
          "DISABLED"
      ]
      if queue_state not in valid_states:
          raise ValueError(
              "{} is not a valid queue state".format(queue_state)
          )
      return queue_state
  
  
  class JobQueue(AWSObject):
      resource_type = "AWS::Batch::JobQueue"
  
      props = {
          "ComputeEnvironmentOrder": ([ComputeEnvironmentOrder], True),
          "Priority": (positive_integer, True),
          "State": (validate_queue_state, False),
          "JobQueueName": (basestring, True)
      }
  
subject: Add AWS Batch Support (#796)