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a claimless python to c++ converter

Project description

======= Pythran =======

What is it?

Pythran is a python to c++ compiler for a subset of the python language. It takes a python module annotated with a few interface description and turns it into a native python module with the same interface, but (hopefully) faster.


  1. Gather dependencies:

    • Following the easy install way:

      $> PYTHONPATH=<my_prefix>/lib/python<my_version>/site-packages \
                      easy_install --prefix=<my_prefix> ply networkx
      $> sudo apt-get install libboost-python-dev
    • Following the debian way:

      $> sudo apt-get install libboost-python-dev python-ply python-networkx
  2. Use the install target from setup script, in source driectory:

    $> python install --prefix=<my_prefix>
  3. Write your environment in stone:

    $> export PYTHONPATH=<my_prefix>/lib/python<my_version>/site-packages
    $> export PATH=<my_prefix>/bin:$PATH

Basic Usage

A simple pythran input could be

#pythran export dprod(int list, int list)
def dprod(l0,l1):
        return sum([x*y for x,y in zip(l0,l1)])

To turn it into a native module, run:

$> pythran

That will generate a native that can be imported just like the former module.


The user documentation is available in the MANUAL file.

The CLI documentation is available from the pythran help command:

$> pythran --help

The developper documentation is also available using pydoc. Beware, this is the computer science incarnation fo the famous Where’s Wally? game:

$> pydoc pythran
$> pydoc pythran.typing


See LICENSE file.


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