bpo-38901: Allow setting a venv's prompt to the basename of the current directory. (GH-17946)
When a prompt value of '.' is specified, os.path.basename(os.getcwd()) is used to
configure the prompt for the created venv.
diff --git a/Doc/library/venv.rst b/Doc/library/venv.rst
index 5494c0c..d778486 100644
--- a/Doc/library/venv.rst
+++ b/Doc/library/venv.rst
@@ -122,7 +122,8 @@
* ``prompt`` -- a String to be used after virtual environment is activated
(defaults to ``None`` which means directory name of the environment would
- be used).
+ be used). If the special string ``"."`` is provided, the basename of the
+ current directory is used as the prompt.
* ``upgrade_deps`` -- Update the base venv modules to the latest on PyPI