http://hg.python.org/cpython/rev/15e98607555d changeset: 68987:15e98607555d branch: 2.7 parent: 68979:fe72160ea2a3 user: Steven Bethard <steven.bethard@gmail.com> date: Sat Mar 26 21:50:38 2011 +0100 summary: Issue #9343: Document that argparse parent parsers must be configured before their children. (Merge from 3.2.) files: Doc/library/argparse.rst | 5 +++++ Misc/NEWS | 3 +++ 2 files changed, 8 insertions(+), 0 deletions(-) diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -347,6 +347,11 @@ :class:`ArgumentParser` will see two ``-h/--help`` options (one in the parent and one in the child) and raise an error. +.. note:: + You must fully initialize the parsers before passing them via ``parents=``. + If you change the parent parsers after the child parser, those changes will + not be reflected in the child. + formatter_class ^^^^^^^^^^^^^^^ diff --git a/Misc/NEWS b/Misc/NEWS --- a/Misc/NEWS +++ b/Misc/NEWS @@ -239,6 +239,9 @@ - Issue #8982: Improve the documentation for the argparse Namespace object. +- Issue #9343: Document that argparse parent parsers must be configured before + their children. + Extension Modules ----------------- -- Repository URL: http://hg.python.org/cpython