:mod:`gdx2py.gdxfile`
=====================

.. py:module:: gdx2py.gdxfile

.. autoapi-nested-parse::

   Module for working with GAMS GDX files



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

.. data:: GMS_DTYPES
   

   

.. data:: GDX_DTYPE_TEXT
   :annotation: = U254

   

.. data:: GDX_DTYPE_LABEL
   :annotation: = U63

   

.. data:: GDX_DTYPE_NUM
   :annotation: = f8

   

.. data:: EPS_VALUE
   

   

.. data:: SPECIAL_VALUES
   

   

.. data:: GMS_USERINFO_SET_PARAMETER
   :annotation: = 0

   

.. py:class:: GdxFile(filename: str, mode: str = 'r', gams_dir: str = None)

   Bases: :class:`object`

   Class for working with a gdx file

   Use subscripting (gdx_object['<symbolname>']) to get/set a GAMS set or
   parameter symbol.

   .. attribute:: filename

      Absolute filename

      :type: str

   Constructor for GdxFile

   :param filename: str
   :param mode: File open mode: 'r' for reading, 'w' for writing, 'w+' for appending (replaces existing symbol)
   :param gams_dir: Location of GAMS installation directory
   :type gams_dir: optional

   :raises RuntimeError: Unable to load gdx library, invalid mode
   :raises FileNotFoundError: Input file not found
   :raises ValueError: Unsupported mode
   :raises OSError: Unable to read/write file
   :raises Exception: Other errors

   .. method:: keys(self)



   .. method:: close(self)



   .. method:: symrange(sym_count)
      :staticmethod: