text: """Helper functions and classes for dealing with cloudformation"""
  import boto
  
  
  class AvailabilityZone(object):
      """Helper class that represents an availability zone
  
      We often only want 2 things from an AZ - a slug and name.
      This class keeps those in one location.
      """
  
      def __init__(self, availability_zone):
          """Creates an AvailabilityZoneHelper object
  
          Args:
          availability_zone (AvailabilityZone): boto object
          """
  
          self.availability_zone = availability_zone
  
      @property
      def cfn_name(self):
          """
          Utility method to return a string appropriate for CloudFormation
          name of a resource (e.g. UsEast1a)
          """
          return self.availability_zone.name.title().replace('-', '')
  
      @property
      def name(self):
          """Utility function to return the name of an availability zone (e.g. us-east-1a)"""
          return self.availability_zone.name
  
  
  def get_availability_zones():
      """Helper function that returns availability zones for a region
  
      Returns:
        (list of AvailabilityZone): List of availability zones for a given EC2 region
      """
      conn = boto.connect_ec2()
      return  [AvailabilityZone(az) for az in conn.get_all_zones()]
  