From fa686f099800aac22dcdc39fb84ee2dcca8ffbf4 Mon Sep 17 00:00:00 2001
From: Glenn Morris
Date: Sun, 10 Jan 2021 15:48:57 +0100
Subject: Default python-shell-interpreter to python3

* lisp/progmodes/python.el (python-shell-interpreter): Default to
python3 (bug#45655).
---
 lisp/progmodes/python.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lisp/progmodes/python.el')

diff --git a/lisp/progmodes/python.el b/lisp/progmodes/python.el
index 0965fecfb74..d6c0a4d1dbf 100644
--- a/lisp/progmodes/python.el
+++ b/lisp/progmodes/python.el
@@ -2027,8 +2027,12 @@ position, else returns nil."
   :group 'python
   :safe 'stringp)
 
-(defcustom python-shell-interpreter "python"
+(defcustom python-shell-interpreter
+  (cond ((executable-find "python3") "python3")
+        ((executable-find "python") "python")
+        (t "python3"))
   "Default Python interpreter for shell."
+  :version "28.1"
   :type 'string
   :group 'python)
 
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