Commit b04d70d9 authored by Steven Bethard's avatar Steven Bethard

Issue #9343: Document that argparse parent parsers must be configured before...

Issue #9343: Document that argparse parent parsers must be configured before their children. (Merge from 3.2.)
parents ff5ee0cf d186f99d
...@@ -351,6 +351,11 @@ Note that most parent parsers will specify ``add_help=False``. Otherwise, the ...@@ -351,6 +351,11 @@ Note that most parent parsers will specify ``add_help=False``. Otherwise, the
:class:`ArgumentParser` will see two ``-h/--help`` options (one in the parent :class:`ArgumentParser` will see two ``-h/--help`` options (one in the parent
and one in the child) and raise an error. 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 formatter_class
^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^
......
...@@ -304,6 +304,9 @@ Library ...@@ -304,6 +304,9 @@ Library
- Issue #8982: Improve the documentation for the argparse Namespace object. - Issue #8982: Improve the documentation for the argparse Namespace object.
- Issue #9343: Document that argparse parent parsers must be configured before
their children.
Build Build
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