Jython: Python for the Java Platform

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The most current stable release of Jython is 2.5.3. For production purposes, please use this version.

The 2.5.4rc1 release candidate is now available for use. This release fixes numerous bugs since the 2.5.3 release of Jython.

The Jython 2.7beta1 release is also available for download. Jython 2.7b2 brings us up to language level compatibility with the 2.7 version of CPython. We have focused largely on CPython compatibility, and so this release of Jython can run more pure Python apps then any previous release.

Please use the link below to download the Java installer. Once downloaded, please double-click on the JAR file to start the installation process. You may also want to read the Installation instructions or the Release Notes.

Jython 2.5.3

Download Jython 2.5.3

Jython 2.7beta2

Download Jython 2.7beta2 - Standalone Installer : Pre-built standalone version.

Download Jython 2.7beta2 - jython.jar Installer : Standalone version without the bundled python files.

Download Jython 2.7beta2 - Source Only

Previous Releases

Jython 2.5.2

  • MD5: 7c7d9abd8985df480edeacd27ed9dcd5
  • SHA1: d4534a691edf40aa1d51723dfe3e22db1e39b432

Jython 2.5.1

  • MD5: 2ee978eff4306b23753b3fe9d7af5b37
  • SHA1: f0e8137b79b6f42cdc0835ab5344d823173ae326

Jython 2.5.0

  • MD5: f98b83fce9669feec69d0a17ee515a20
  • SHA1: 6bffcbacafe9c8ccbbc62a4eeb80c62fa6790a1c

Jython 2.2.1

  • MD5: 774543534bef2d68247953882237d448
  • SHA1: 6fea1e8985af955fc843789e2d60fcfc38a76fd8