This branch requires Python 3.14.

Install pyenv https://github.com/pyenv/pyenv and pyenv-virtualenv https://github.com/pyenv/pyenv-virtualenv for your OS. Using pyenv and pyenv-virtualenv, you can install specific Python versions and create virtual environments within.

After installing pyenv and configuring your shell's environment variables (like ~/.zshrc or ~/.bashrc), you must restart your terminal session for the changes to take effect.

You can create install Python 3.14, create a virtual environment and activate it using the following commands:

pyenv install 3.14
pyenv virtualenv 3.14 mypyenv-3.14
pyenv activate mypyenv-3.14

• You can skip the next two steps if you do not want to re-generate jextract binding classes from Python C API.

• Download & extract jextract early access binary from

  https://jdk.java.net/jextract/

• Put jextract in PATH

• Install JDK 25 and define JAVA_HOME to be JDK 25 home

• From the current directory

mvn clean verify surefire-report:report javadoc:javadoc

command builds and tests the project

• From the current directory:

sh jpython.sh

runs a simple REPL. or

sh jpython.sh samples/squares.py

runs a sample script file

• To run a java sample that uses Python script engine:

sh run.sh samples/Hello.java