94     concerns = SubjectRelation('Project', composite='object')

    94     concerns = SubjectRelation('Project', composite='object')

    95 

    95 

    96 class Filesystem(EntityType):

    96 class Filesystem(EntityType):

    97     name = String()

    97     name = String()

    98 

    98 

    99 class parent_fs(RelationDefinition):

   102 class parent_fs(RelationDefinition):

   100     name = 'parent'

   103     name = 'parent'

   101     subject = 'Directory'

   104     subject = 'Directory'

   102     object = 'Filesystem'

   105     object = 'Filesystem'

   103 

   106 

   104 class Directory(EntityType):

   107 class Directory(EntityType):

   105     name = String(required=True)

   108     name = String(required=True)

   106 

   111 

   107 class parent_directory(RelationDefinition):

   112 class parent_directory(RelationDefinition):

   108     name = 'parent'

   113     name = 'parent'

   109     subject = 'Directory'

   114     subject = 'Directory'

   110     object = 'Directory'

   115     object = 'Directory'