From 9b789e58284e9bbfc1a94f67df3badd1fcb4da01 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
 <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 18 Sep 2022 13:58:46 -0700
Subject: [3.11] gh-96861: Check for unset sys.executable during venv creation.
 (GH-96887) (GH-96919)

(cherry picked from commit 2cd70ffb3fe22d778d0bb6ec220fdf67dccc1be6)
---
 Lib/venv/__init__.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index 6032f36..f5570e8 100644
--- a/Lib/venv/__init__.py
+++ b/Lib/venv/__init__.py
@@ -128,6 +128,11 @@ class EnvBuilder:
         context.prompt = '(%s) ' % prompt
         create_if_needed(env_dir)
         executable = sys._base_executable
+        if not executable:  # see gh-96861
+            raise ValueError('Unable to determine path to the running '
+                             'Python interpreter. Provide an explicit path or '
+                             'check that your PATH environment variable is '
+                             'correctly set.')
         dirname, exename = os.path.split(os.path.abspath(executable))
         context.executable = executable
         context.python_dir = dirname
-- 
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