From 86d94c052a0ff755e28fbd970b71f87dbba022af Mon Sep 17 00:00:00 2001
From: Ben Woodcroft <donttrustben@gmail.com>
Date: Sat, 16 Apr 2016 23:10:26 +1000
Subject: [PATCH] gnu: python-ipython: Use 'python2-variant'.

* gnu/packages/python.scm (python-ipython)[properties]: New field.
(python2-ipython): Use 'strip-python2-variant'.
---
 gnu/packages/python.scm | 28 ++++++++++------------------
 1 file changed, 10 insertions(+), 18 deletions(-)

diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm
index 4238965..e6fa127 100644
--- a/gnu/packages/python.scm
+++ b/gnu/packages/python.scm
@@ -12,7 +12,7 @@
 ;;; Copyright © 2015 Eric Dvorsak <eric@dvorsak.fr>
 ;;; Copyright © 2015, 2016 David Thompson <davet@gnu.org>
 ;;; Copyright © 2015, 2016 Leo Famulari <leo@famulari.name>
-;;; Copyright © 2015 Ben Woodcroft <donttrustben@gmail.com>
+;;; Copyright © 2015, 2016 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2015, 2016 Erik Edrosa <erik.edrosa@gmail.com>
 ;;; Copyright © 2015, 2016 Efraim Flashner <efraim@flashner.co.il>
 ;;; Copyright © 2015 Kyle Meyer <kyle@kyleam.com>
@@ -4357,29 +4357,21 @@ without using the configuration machinery.")
 Powerful interactive shells, a browser-based notebook, support for interactive
 data visualization, embeddable interpreters and tools for parallel
 computing.")
-    (license bsd-3)))
+    (license bsd-3)
+    (properties `((python2-variant . ,(delay python2-ipython))))))
 
 (define-public python2-ipython
-  (let ((ipython (package-with-python2 python-ipython)))
+  (let ((parent (package-with-python2
+                 (strip-python2-variant python-ipython))))
     (package
-      (inherit ipython)
+      (inherit parent)
       ;; FIXME: some tests are failing
-      (arguments
-       `(#:tests? #f ,@(package-arguments ipython)))
-      ;; Make sure we use custom python2-NAME packages.
       ;; FIXME: add pyreadline once available.
-      (propagated-inputs
-       `(("python2-terminado" ,python2-terminado)
-         ,@(alist-delete "python-terminado"
-                         (package-propagated-inputs ipython))))
+      (arguments
+       `(#:tests? #f ,@(package-arguments parent)))
       (inputs
-       `(("python2-jsonschema" ,python2-jsonschema)
-         ("python2-mock" ,python2-mock)
-         ("python2-matplotlib" ,python2-matplotlib)
-         ("python2-numpy" ,python2-numpy)
-         ("python2-requests" ,python2-requests)
-         ,@(fold alist-delete (package-inputs ipython)
-                 '("python-jsonschema" "python-matplotlib" "python-numpy" "python-requests")))))))
+       `(("python2-mock" ,python2-mock)
+         ,@(package-inputs parent))))))
 
 (define-public python-isodate
   (package
-- 
2.6.3