karpierz/jtypes.jep

Java Embedded Python (ctypes/cffi-based Jep).

Currently only as placeholder (because a base package jtypes.jvm is still in development)

jtypes.jep

Java Embedded Python.

Overview

jtypes.jep embeds CPython in Java.

PyPI record.

jtypes.jep is a lightweight Python package, based on the ctypes or cffi library.
It is an almost fully compliant implementation of Mike Johnson's Jep package by reimplementing its functionality in a clean Python instead of C.

About Jep:

Borrowed from the original website:

Jep embeds CPython in Java through JNI and is safe to use in a heavily threaded environment.

Some benefits of embedding CPython in a JVM:

• Using the native Python interpreter may be much faster than alternatives.
• Python is mature, well supported, and well documented.
• Access to high quality Python modules, both native CPython extensions and Python-based.
• Compilers and assorted Python tools are as mature as the language.
• Python is an interpreted language, enabling scripting of established Java code without requiring recompilation.
• Both Java and Python are cross platform, enabling deployment to different operating systems.

Notable features

• Interactive Jep console much like Python's interactive console
• Supports multiple, simultaneous, mostly sandboxed sub-interpreters
• Numpy support for Java primitive arrays

Requirements

• Java >= 1.7 - either the Sun/Oracle JRE/JDK or OpenJDK.
• NumPy >= 1.7 (optional)

Installation

Prerequisites:

• Python 2.7 or Python 3.4 or later
  • http://www.python.org/
  • 2.7 and 3.6 are primary test environments.
• pip and setuptools
  • http://pypi.python.org/pypi/pip
  • http://pypi.python.org/pypi/setuptools

To install run:

python -m pip install --upgrade jtypes.jep

To ensure everything is running correctly you can run the tests using:

python -m jt.jep.tests

Development

Visit development page

Installation from sources:

Clone the sources and run:

python -m pip install ./jtypes.jep

or on development mode:

python -m pip install --editable ./jtypes.jep

Prerequisites:

• Development is strictly based on tox. To install it run:

  python -m pip install tox

License

Copyright (c) 2014-2018 Adam Karpierz

Licensed under the zlib/libpng License
http://opensource.org/licenses/zlib
Please refer to the accompanying LICENSE file.

Authors

• Adam Karpierz <[email protected]>