lenskit.batch.InvocationSpec
============================

.. py:class:: lenskit.batch.InvocationSpec
   :canonical: lenskit.batch._runner.InvocationSpec

   Specification for a single pipeline invocation, to record one or more
   pipeline component outputs for a test user.


   .. py:attribute:: name
      :type:  str

      A name for this invocation.


   .. py:attribute:: components
      :type:  dict[str, str]

      The names of pipeline components to measure and return, mapped to their
      output names.


   .. py:attribute:: items
      :type:  ItemSource
      :value: None


      The target or candidate items (if any) to provide to the recommender (as the
      ``items`` input).


   .. py:attribute:: extra_inputs
      :type:  dict[str, Any]

      Additional inputs to pass to the pipeline.