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Diffstat (limited to 'Doc/library/argparse.rst')
| -rw-r--r-- | Doc/library/argparse.rst | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst index 62948e2..4f2febe 100644 --- a/Doc/library/argparse.rst +++ b/Doc/library/argparse.rst @@ -1949,6 +1949,16 @@ transparently, particularly with the changes required to support the new :mod:`optparse` had either been copy-pasted over or monkey-patched, it no longer seemed practical to try to maintain the backwards compatibility. +The :mod:`argparse` module improves on the standard library :mod:`optparse` +module in a number of ways including: + +* Handling positional arguments. +* Supporting sub-commands. +* Allowing alternative option prefixes like ``+`` and ``/``. +* Handling zero-or-more and one-or-more style arguments. +* Producing more informative usage messages. +* Providing a much simpler interface for custom ``type`` and ``action``. + A partial upgrade path from :mod:`optparse` to :mod:`argparse`: * Replace all :meth:`optparse.OptionParser.add_option` calls with |