cython / README.txt

Welcome to Cython!

Cython ( is based on Pyrex, but supports more
cutting edge functionality and optimizations.


The original Pyrex program was licensed "free of restrictions" (see
below).  Cython itself is licensed under the 



There are TWO mercurial (hg) repositories included with Cython:

   * Various project files, documentation, etc. (in the top level directory)
   * The main codebase itself (in Cython/)
We keep these separate for easier merging with the Pyrex project. 

To see the change history for Cython code itself, go to the Cython
directory and type 

 $ hg log

This requires that you have installed Mercurial.

-- William Stein (


The following is from Pyrex:
This is a development version of Pyrex, a language
for writing Python extension modules.

For more info, see:

    Doc/About.html for a description of the language
    INSTALL.txt    for installation instructions
    USAGE.txt      for usage instructions
    Demos          for usage examples

Comments, suggestions, bug reports, etc. are

Copyright stuff: Pyrex is free of restrictions. You
may use, redistribute, modify and distribute modified

The latest version of Pyrex can be found here:

Greg Ewing, Computer Science Dept, +--------------------------------------+
University of Canterbury,          | A citizen of NewZealandCorp, a       |
Christchurch, New Zealand          | wholly-owned subsidiary of USA Inc.  |         +--------------------------------------+