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Topaz is an implementation of the Ruby programming language, written in Python,using the RPython VM toolchain. Its goals are simplicity of implementation andperformance.

You'll need to have a few dependencies installed. You can get them withpipinstall -r requirements.txt. Finally make sure you have checkout (use tag version release-2.4.0) ofPyPy and have it on yourPYTHONPATH.

To run the tests:

$ py.test

To translate run:

$ /path/to/pypy/src/rpython/bin/rpython -Ojit targettopaz.py

This will compile Topaz with a JIT, it'll take 5-10 minutes.

To run Topaz directly on top of Python you can do:

$ python -m topaz /path/to/file.rb