myFRpy — A Python 3.12–based Interpreter

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myFRpy is a Python 3.12 based interpreter (customized fork) with bilingual en|fr keywords

The original CPython README is preserved for reference in README.old.rst.

General Information

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• Project homepage: https://github.com/alexandre14k/myFRpy
• Source code: https://github.com/alexandre14k/myFRpy

Using myFRpy

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This repository contains the full source code for building the interpreter from scratch on Linux.

Build Instructions

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Target is Linux Mint 22.2 x86_64

Use the make.sh bash script to manage the build steps:

    ./make.sh

    project <myFRpy>

    t -- rename  | renommer
    d -- tree    | arborescence
    p -- regen   | configurer
    b -- build   | construire
    i -- install | installer
    s -- release | livraison
    r -- run     | exécuter
    c -- clean   | nettoyer
    e -- erase   | effacer
    x -- exit    | quitter

Steps

1. on a new setup press c to clean the environment and reconfigure
2. press p to regen grammar (if myFRpy.gram changed)
3. press b to make (creates the myFRpy binary)
4. myFRpy is dynamically built in output/ folder
5. press i allows to local install (see output/bin/myFRpy3.12)
6. press r to run it

Optional

7. press s allows to enter the release menu

    ./_release/make.sh

    release

    b : build      -- construire
    r : run        -- executer
    c : clean      -- nettoyer
    e : setup venv -- construire venv
    o : open venv  -- ouvrir venv
    x : exit       -- sortir

Notes

• venv mode is not yet supported
• pip mode is not yet supported

Status

• Interpreter runs normally
• AppImage launches correctly
• Core standard library modules load
• Embedded Tkinter can be used for UI design
• Some test suite failures remain (operator, pprint, set, statistics, etc.)
• Compatibility layer is still under development
• Packaging ecosystem is not yet supported
• Complementary keywords (spaces forbidden inside keywords) :
  • if | si
  • elif | autrement
  • else | sinon
  • for | pour
  • while | tantque

Usage

Make the AppImage executable:

chmod +x myFRpy3.12-x86_64.AppImage

Run the interpreter:

./myFRpy3.12-x86_64.AppImage

Run with the test.py script:

./myFRpy3.12-x86_64.AppImage test.py

or from inside the interpreter

./myFRpy3.12-x86_64.AppImage
myFRpy 3.12.3 (heads/main-dirty:581db9e, May 30 2026, 13:36:16) [GCC 13.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> exec(open("test.py").read())

Dependencies

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Building myFRpy requires standard development tools and libraries :

• a C compiler (GCC or Clang)
• development headers for zlib, libffi, OpenSSL, SQLite, and others

Refer to your distribution’s package manager for installation.

Test Release

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All released packages will be in AppImage format. The AppImage is fully portable and works on the host system as well as inside Docker containers.

License

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myFRpy is distributed under a modified version of the Python Software Foundation License. The original CPython license is preserved in LICENSE.old for reference.

See LICENSE for the license governing this fork.