:py:mod:`crop_lca.resource_manager.data_loader`
===============================================

.. py:module:: crop_lca.resource_manager.data_loader

.. autoapi-nested-parse::

   Data Loader
   ===========
   This module contains the Loader class, which is used to load data from the database and create instances of the models used in the crop LCA model.



Module Contents
---------------

Classes
~~~~~~~

.. autoapisummary::

   crop_lca.resource_manager.data_loader.Loader




.. py:class:: Loader(ef_country=None)


   The Loader class is used to load data from the database and create instances of the models used in the crop LCA model.

   .. attribute:: ef_country

      The name of the country for which the data is being loaded.

      :type: str

   .. attribute:: dataframes

      An instance of the DataManager class used to load data from the database.

      :type: DataManager

   .. attribute:: crop_chars

      An instance of the CropChars class used to manage the crop characteristics data.

      :type: CropChars

   .. attribute:: fertiliser

      An instance of the Fertiliser class used to manage the fertiliser data.

      :type: Fertiliser

   .. attribute:: emissions_factors

      An instance of the Emissions_Factors class used to manage the emissions factor data.

      :type: Emissions_Factors

   .. attribute:: upstream

      An instance of the Upstream class used to manage the upstream data.

      :type: Upstream

   .. method:: get_crop_chars()

      Returns an instance of the CropChars class.

   .. method:: get_fertiliser()

      Returns an instance of the Fertiliser class.

   .. method:: get_emissions_factors()

      Returns an instance of the Emissions_Factors class.

   .. method:: get_upstream()

      Returns an instance of the Upstream class.

   .. method:: get_national_crop_production()

      Returns the national crop production data.

   .. method:: get_fao_yield_data(ef_country, index=None)

      Returns the FAO yield data for the specified country.

   .. py:method:: get_crop_chars()

      Returns an instance of the CropChars class.

      :returns: An instance of the CropChars class used to manage the crop characteristics data.
      :rtype: CropChars


   .. py:method:: get_fertiliser()

      Returns an instance of the Fertiliser class.

      :returns: An instance of the Fertiliser class used to manage the fertiliser data.
      :rtype: Fertiliser


   .. py:method:: get_emissions_factors()

      Returns an instance of the Emissions_Factors class.

      :returns: An instance of the Emissions_Factors class used to manage the emissions factor data.
      :rtype: Emissions_Factors


   .. py:method:: get_upstream()

      Returns an instance of the Upstream class.

      :returns: An instance of the Upstream class used to manage the upstream data.
      :rtype: Upstream


   .. py:method:: get_national_crop_production()

      Returns the national crop production data.

      :returns: The national crop production data.
      :rtype: pd.DataFrame


   .. py:method:: get_fao_yield_data(ef_country, index=None)

      Returns the FAO yield data for the specified country.

      :param ef_country: The name of the country for which the data is being loaded.
      :type ef_country: str
      :param index: The index of the data to be returned.
      :type index: int, optional

      :returns: The FAO yield data for the specified country.
      :rtype: pd.DataFrame