.. currentmodule:: nomenclature.codelist

**CodeList**
============

.. autoclass:: CodeList
   :members: from_directory, read_excel, validate_items, filter, to_yaml, to_pandas, to_csv, to_excel


.. autoclass:: VariableCodeList
   :members: check_variable_region_aggregation_args, check_weight_in_vars, cast_variable_components_args, vars_default_args


.. autoclass:: RegionCodeList
   :members: from_directory, hierarchy, filter