The J programming language, repackaged from official jsoftware.com binaries
Project description
jlanguage
The J programming language, installable with pip. This is an unofficial packaging, not affiliated with Jsoftware: J's home page is jsoftware.com and its official source is jsoftware/jsource. These wheels repackage the official J binary releases, unmodified, so that pip install jlanguage gives you a working J on Linux (x86_64, aarch64), macOS (Intel and Apple Silicon), and Windows (amd64, arm64).
Usage
pip install jlanguage
jconsole
That starts the standard J console REPL:
+/ % # 1 2 3 4
0.25
python -m jlang does the same thing, useful when scripts aren't on your PATH. From Python, jlang.path() returns the install directory (containing bin/, system/, addons/, tools/) and jlang.jconsole_path() the full path to the executable.
Versioning
The package version is the J version: jlanguage 9.7.1 installs J 9.7.1. Packaging-only fixes are released as post versions (9.7.1.post1).
How it's built
make_wheels.py downloads each platform's release archive from jsoftware.com, verifies it against the published sha256sums, and writes it into a platform-tagged wheel, following the approach of ziglang/zig-pypi. Nothing is compiled and the binaries are byte-identical to the official ones.
License
J is © Jsoftware Inc. and distributed under the GPLv3 (see jsoftware/jsource). This package redistributes the official binaries unmodified.
Releasing a new version
When Jsoftware publishes a new J release:
- Update
JVERinmake_wheels.py. The download URL is derived from it, so nothing else normally changes; do check the archive names against the install dir since the suffixes have changed between releases (9.6.3 usedlinux64, 9.7.1 useslinux). - Run
python make_wheels.py. It downloads each platform archive (cached indownloads/), verifies it against the published sha256sums, and writes the wheels todist/. - Run
pytest -q, thentwine upload dist/*.whl.
For a packaging-only fix to an already-released J version, append .postN to the version.
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