[issue4256] argparse: provide a simple way to get a programmatically useful list of options

[Éric Araujo]

Éric Araujo <merwok at netwok.org> added the comment:

> zsh completion is much more powerful.
I beg to differ :)  bash completion can also list more that files, for example only .bz2 files when I complete the bunzip2 command, or Mercurial branch and tag names when I complete hg update, etc.  It all depends on the completion script.

I think that there may be enough common ground between the two shells that argparse could print out enough information for both systems.  I haven’t read the code of genzshcomp, though.

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<http://bugs.python.org/issue4256>
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