1 from cubicweb.schema import format_constraint

     2 

     3 class Folder2(MetaUserEntityType):

     4     """folders are used to classify entities. They may be defined as a tree.

     5     When you include the Folder entity, all application specific entities

     6     may then be classified using the "filed_under" relation.

     7     """

     8     name = String(required=True, indexed=True, internationalizable=True,

     9                   constraints=[UniqueConstraint(), SizeConstraint(64)])

    10     description_format = String(meta=True, internationalizable=True,

    11                                 default='text/rest', constraints=[format_constraint])

    12     description = String(fulltextindexed=True)

    13 

    14     filed_under2 = BothWayRelation(

    15         SubjectRelation('Folder2', description=_("parent folder")),

    16         ObjectRelation('*'),

    17         )

    18 

    19 

    20 class filed_under2(MetaUserRelationType):

    21     """indicates that an entity is classified under a folder"""

    22     # is_about has been renamed into filed_under

    23     #//* is_about Folder

    24     #* filed_under Folder

    25