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  • Separation of parameter definition from script logic (i.e. tdrp's paramdef file).
    • A separate paramdef file is optional (constrast examples 1 & 2 below)).
  • Ability to easily generate a default parameter file (i.e --print_params capability).  The documentation included in the file helps the new user to understand the use of the program and customize the parameters.
  • Encapsulation of parameter handling logic  (contained in the ConfigMaster class)
  • Simple default behavior. If no parameter file is used, the default parameter values are used.
    • Overriding of missing parameters with default values.
  • Warning if you give a parameter in your config file that it doesn't expect.
  • Automatic command line override for configuration parameters.
    • Only for int, long, float, string, and bool types currently
  • Self-documenting. All parameter documentation is done in the paramdef, therefore the documentation and code are co-located, making it easy to keep the documentation up-to-date.
  • Support for environment variables in the parameter files.
    • Other python code can also be included in the param files - date/time logic, file system logic, etc.
  • Simple.  Minimal coding required. Most work is done in the the paramdef file.


Repository Location

ConfigMaster for Python2.x is in cvs at libs/python/src/ConfigMaster

ConfigMaster for Python3 is in github at


Check out from cvs and put it in a location that is in your $PYTHONPATH.