From aa856d02b8018eab059d5a337f613692ac5d93fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Tue, 16 Jul 2019 23:25:18 +0200
Subject: [PATCH] gnu: python-ipykernel: Record absolute file name of 'python'.
* gnu/packages/python-xyz.scm (python-ipykernel)[arguments]: Add
'set-python-file-name' phase.
---
gnu/packages/python-xyz.scm | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 5a89243dbcb..9de82032643 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -5157,7 +5157,17 @@ (define-public python-ipykernel
(lambda _
(setenv "HOME" "/tmp")
(invoke "pytest" "-v")
- #t)))))
+ #t))
+ (add-after 'install 'set-python-file-name
+ (lambda* (#:key outputs #:allow-other-keys)
+ ;; Record the absolute file name of the 'python' executable in
+ ;; 'kernel.json'.
+ (let ((out (assoc-ref outputs "out")))
+ (substitute* (string-append out "/share/jupyter"
+ "/kernels/python3/kernel.json")
+ (("\"python\"")
+ (string-append "\"" (which "python") "\"")))
+ #t))))))
(propagated-inputs
`(("python-ipython" ,python-ipython)
;; imported at runtime during connect
--
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