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Diffstat (limited to 'Doc/library/argparse.rst')
| -rw-r--r-- | Doc/library/argparse.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index 1a298cdd2b..4542961d78 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -1152,6 +1152,11 @@ Any container can be passed as the *choices* value, so :class:`list` objects, Use of :class:`enum.Enum` is not recommended because it is difficult to control its appearance in usage, help, and error messages. +Formatted choices overrides the default *metavar* which is normally derived +from *dest*. This is usually what you want because the user never sees the +*dest* parameter. If this display isn't desirable (perhaps because there are +many choices), just specify an explicit metavar_. + required ^^^^^^^^ |