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Issue #17462: Add a paragraph about advantages of argparse over optparse.

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Patch by Anastasia Filatova.
This commit is contained in:
Berker Peksag 2014-09-26 15:34:26 +03:00
parent d5a8f5807f
commit 6c1f0ad665
2 changed files with 11 additions and 0 deletions
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10
Doc/library/argparse.rst
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@ -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 :mod:`optparse` had either been copy-pasted over or monkey-patched, it no
longer seemed practical to try to maintain the backwards compatibility. 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`: A partial upgrade path from :mod:`optparse` to :mod:`argparse`:
* Replace all :meth:`optparse.OptionParser.add_option` calls with * Replace all :meth:`optparse.OptionParser.add_option` calls with

1
Misc/ACKS
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@ -411,6 +411,7 @@ Florian Festi
John Feuerstein John Feuerstein
Carl Feynman Carl Feynman
Vincent Fiack Vincent Fiack
Anastasia Filatova
Tomer Filiba Tomer Filiba
Jeffrey Finkelstein Jeffrey Finkelstein
Russell Finn Russell Finn