CODEWITHSUNDEEP
pythonversionincompatibilitylanguage-implementation
Roman A. Taycher
Roman A. Taycher

Reputation: 19505

What are the versions of cpython which different implementations(jython/ironpython/pypy/etc) are roughly compatible with

i.e. jython(or other implementation) version x.y is roughly equivalent to cpython version a.b

Please list version of alternative implementation, and feel free to list multiple versions
so this list will still be useful in the future. If possible list any large incompatibilities
(with cpython) for each version excluding things like c interface and relying or reference counting.

Upvotes: 1

Views: 293

Answers (1)

Zach Kelling
Zach Kelling

Reputation: 53879

The most popular alternative implementations are IronPython, Jython, PyPy and Stackless Python.

Jython currently implements Python 2.5.2 support for 2.6 is on their roadmap.

  • Partial support for ctypes
  • Does not support C API

IronPython implements Python 2.7.1.

  • Partial support for ctypes
  • Does not support C API, although ironclad attempts to add a compatibility layer

PyPy implements Python 2.7.1.

  • Good ctypes support
  • Alpha/beta C API support

Stackless Python supports 2.7.1 and 3.2 currently.

  • Supports nearly everything CPython would

They all do a good job implementing the core language, but have differing support for the standard library.

Upvotes: 3

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