commit 74af713538463c9881e27b58bc4dbd67712c53f8
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Sun Jan 02 13:29:35 2022 -0800
committer GitHub <noreply@github.com> Sun Jan 02 13:29:35 2022 -0800
tree 10b91b1dad12bb1adde654993a5fd074d86c94d6
parent 35955e4adec4dd09127af93f9413d46889a3c475

argparse docs: prog default is the basename of argv[0] (GH-30298) (GH-30339)

Lib/argparse.py

diff --git a/Lib/argparse.py b/Lib/argparse.py
index b2db312..e177e4f 100644
--- a/Lib/argparse.py
+++ b/Lib/argparse.py
@@ -1672,7 +1672,8 @@ class ArgumentParser(_AttributeHolder, _ActionsContainer):
     """Object for parsing command line strings into Python objects.
 
     Keyword Arguments:
-        - prog -- The name of the program (default: sys.argv[0])
+        - prog -- The name of the program (default:
+            ``os.path.basename(sys.argv[0])``)
         - usage -- A usage message (default: auto-generated from arguments)
         - description -- A description of what the program does
         - epilog -- Text following the argument descriptions