.. _avail_easyconfig_constants:

*(see also* ``eb --avail-easyconfig-constants`` *)*

Constants that can be used in easyconfigs
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Constant name             Constant value                                 Description                                      
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``OS_NAME``               ``UNKNOWN``                                    System name (e.g. 'fedora' or 'RHEL')            
``SYSTEM``                ``{'version': 'system', 'name': 'system'}``    System toolchain                                 
``EXTERNAL_MODULE``       ``EXTERNAL_MODULE``                            External module marker                           
``OS_VERSION``            ``UNKNOWN``                                    System version                                   
``HOME``                  ``/home/example``                              Home directory ($HOME)                           
``OS_TYPE``               ``Darwin``                                     System type (e.g. 'Linux' or 'Darwin')           
``SYS_PYTHON_VERSION``    ``2.7.10``                                     System Python version (platform.python_version())
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