lenskit.data.schema.DataSchema
==============================

.. py:class:: lenskit.data.schema.DataSchema
   

   Bases: :py:obj:`pydantic.BaseModel`


   Description of the entities and layout of a dataset.


   .. py:attribute:: version
      :type:  str
      :value: '2025.3'


      The data layout version.

      .. note::

          When a new schema model is created, this defaults to the current version
          instead of the oldest version.


   .. py:attribute:: name
      :type:  str | None
      :value: None


      The dataset name.


   .. py:attribute:: default_interaction
      :type:  Name | None
      :value: None


      The default interaction type.


   .. py:attribute:: entities
      :type:  dict[Name, EntitySchema]

      Entity classes defined for this dataset.


   .. py:attribute:: relationships
      :type:  dict[Name, RelationshipSchema]

      Relationship classes defined for this dataset.


   .. py:method:: model_validate_json(json_data, *, context = None, **kwargs)
      :classmethod: