[PATCH] gnu: Add python2-rpython.

[Alex Vong]

Hello,

This patch adds the RPython toolchain, which can be used to implement
interpreters and virtual machines, for examples Pypy. Right now it
supports only Python 2.

From 685faf110cddbf80b3a390b86baa1e5b5cee3b80 Mon Sep 17 00:00:00 2001
From: Alex Vong <address@hidden>
Date: Sat, 29 Oct 2016 18:10:00 +0800
Subject: [PATCH] gnu: Add python2-rpython.

* gnu/packages/python.scm (python2-rpython): New variable.
---
 gnu/packages/python.scm | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index f7485ad..d25d469 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -29,6 +29,7 @@
 ;;; Copyright © 2016 Marius Bakke <address@hidden>
 ;;; Copyright © 2016 Stefan Reichoer <address@hidden>
 ;;; Copyright © 2016 Dylan Jeffers <address@hidden@openmailbox.org>
+;;; Copyright © 2016 Alex Vong <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -3150,6 +3151,37 @@ writing C extensions for Python as easy as Python 
itself.")
     (inputs
      `(("python-2" ,python-2))))) ; this is not automatically changed
 
+;;; The RPython toolchain currently does not support Python 3.
+(define-public python2-rpython
+  (package
+    (name "python2-rpython")
+    (version "0.1.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append
+             "https://pypi.python.org/packages/00/2e/";
+             "69319934a6049b368c05845eaab100ecea2213a96e59fb14416a0a6c5648/"
+             "rpython-"
+             version
+             ".tar.gz"))
+       (sha256
+        (base32
+         "07pps06fq4c4wmi5ii0sgh9zgwniz5y7frqhm28g3a154l163fxc"))))
+    (build-system python-build-system)
+    (arguments `(#:python ,python-2))
+    (propagated-inputs
+     `(("python2-setuptools" ,python2-setuptools)))
+    (native-inputs
+     ;; needed for running tests
+     `(("python2-pytest" ,python2-pytest)))
+    (home-page "https://rpython.readthedocs.org";)
+    (synopsis "Framework for implementing interpreters and virtual machines")
+    (description "RPython is a translation and support framework for
+producing implementations of dynamic languages, emphasizing a clean separation
+between language specification and implementation aspects.")
+    (license license:expat)))
+
 ;; This version of numpy is missing the documentation and is only used to
 ;; build matplotlib which is required to build numpy's documentation.
 (define python-numpy-bootstrap
-- 
2.10.1

Cheers,
Alex

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