From: Vinay Sajip <vinay_sajip@yahoo.co.uk>
Date: Sat, 17 Sep 2022 11:58:31 +0000 (+0300)
Subject: gh-96861: Check for unset sys.executable during venv creation. (GH-96887)
X-Git-Tag: v3.12.0a1~399
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=2cd70ffb3fe22d778d0bb6ec220fdf67dccc1be6;p=thirdparty%2FPython%2Fcpython.git

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

diff --git a/Lib/venv/__init__.py b/Lib/venv/__init__.py
index f6b790e1b71a..034e3d420177 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