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# Copyright (c) 2002-2010 Nexedi SA and Contributors. All Rights Reserved.
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class SoftwareReleaseConstraint:
  """
      SoftwareReleaseConstraint properties for all ERP5 objects
  """


  _constraints = (
    { 'id'            : 'aggregate_category_membership_arity',
    'description'   : 'There must be one and one only Software Product',
    'type'          : 'CategoryMembershipArity',
    'min_arity'     : '1',
    'max_arity'     : '1',
    'portal_type'   : ('Software Product',),
    'base_category' : ('aggregate',),
    'message_arity_not_in_range': 'One Software Product  must be defined',
    },
  )