100         'delete': ('managers', RRQLExpression('S owned_by U'),),

   100         'delete': ('managers', RRQLExpression('S owned_by U'),),

   101         }

   101         }

   102     # 0..n cardinality for entities created by internal session (no attached user)

   102     # 0..n cardinality for entities created by internal session (no attached user)

   103     # and to support later deletion of a user which has created some entities

   103     # and to support later deletion of a user which has created some entities

   104     cardinality = '**'

   104     cardinality = '**'

   106     object = 'CWUser'

   106     object = 'CWUser'

   107 

   107 

   108 class created_by(RelationType):

   108 class created_by(RelationType):

   109     """core relation indicating the original creator of an entity"""

   109     """core relation indicating the original creator of an entity"""

   110     permissions = {

   110     permissions = {

   113         'delete': ('managers',),

   113         'delete': ('managers',),

   114         }

   114         }

   115     # 0..1 cardinality for entities created by internal session (no attached user)

   115     # 0..1 cardinality for entities created by internal session (no attached user)

   116     # and to support later deletion of a user which has created some entities

   116     # and to support later deletion of a user which has created some entities

   117     cardinality = '?*'

   117     cardinality = '?*'

   119     object = 'CWUser'

   119     object = 'CWUser'

   120 

   120 

   121 

   121 

   122 class creation_date(RelationType):

   122 class creation_date(RelationType):

   123     """creation time of an entity"""

   123     """creation time of an entity"""

   124     cardinality = '11'

   124     cardinality = '11'

   126     object = 'Datetime'

   126     object = 'Datetime'

   127 

   127 

   128 class modification_date(RelationType):

   128 class modification_date(RelationType):

   129     """latest modification time of an entity"""

   129     """latest modification time of an entity"""

   130     cardinality = '11'

   130     cardinality = '11'

   132     object = 'Datetime'

   132     object = 'Datetime'

   133 

   133 

   134 

   134 

   135 class CWProperty(EntityType):

   135 class CWProperty(EntityType):

   136     """used for cubicweb configuration. Once a property has been created you

   136     """used for cubicweb configuration. Once a property has been created you