From: Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com>
Date: Sun, 18 Sep 2022 20:58:46 +0000 (-0700)
Subject: [3.11] gh-96861: Check for unset sys.executable during venv creation. (GH-96887)... 
X-Git-Tag: v3.11.1~473
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9b789e58284e9bbfc1a94f67df3badd1fcb4da01;p=thirdparty%2FPython%2Fcpython.git

[3.11] gh-96861: Check for unset sys.executable during venv creation. (GH-96887) (GH-96919)

(cherry picked from commit 2cd70ffb3fe22d778d0bb6ec220fdf67dccc1be6)
---

diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index 6032f3648e15..f5570e8fcd7c 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