mirror of
https://github.com/python/cpython.git
synced 2025-07-23 11:15:24 +00:00
Merged revisions 81490 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r81490 | steven.bethard | 2010-05-23 19:38:00 -0700 (Sun, 23 May 2010) | 1 line argparse documentation updates (including updates to optparse and getopt documentation that were promised in the PEP) ........
This commit is contained in:
parent
dc787d2055
commit
5971096472
3 changed files with 31 additions and 4 deletions
|
@ -672,8 +672,8 @@ command-line args should be handled. The supported actions are:
|
|||
|
||||
>>> import argparse
|
||||
>>> parser = argparse.ArgumentParser(prog='PROG')
|
||||
>>> parser.add_argument('-v', '--version', action='version', version='%(prog)s 2.0')
|
||||
>>> parser.parse_args(['-v'])
|
||||
>>> parser.add_argument('--version', action='version', version='%(prog)s 2.0')
|
||||
>>> parser.parse_args(['--version'])
|
||||
PROG 2.0
|
||||
|
||||
You can also specify an arbitrary action by passing an object that implements
|
||||
|
@ -1725,3 +1725,6 @@ A partial upgrade path from optparse to argparse:
|
|||
* Replace strings with implicit arguments such as ``%default`` or ``%prog`` with
|
||||
the standard python syntax to use dictionaries to format strings, that is,
|
||||
``%(default)s`` and ``%(prog)s``.
|
||||
|
||||
* Replace the OptionParser constructor ``version`` argument with a call to
|
||||
``parser.add_argument('--version', action='version', version='<the version>')``
|
||||
|
|
|
@ -5,6 +5,12 @@
|
|||
:synopsis: Portable parser for command line options; support both short and
|
||||
long option names.
|
||||
|
||||
.. note::
|
||||
The :mod:`getopt` module is a parser for command line options whose API is
|
||||
designed to be familiar to users of the C :cfunc:`getopt` function. Users who
|
||||
are unfamiliar with the C :cfunc:`getopt` function or who would like to write
|
||||
less code and get better help and error messages should consider using the
|
||||
:mod:`argparse` module instead.
|
||||
|
||||
This module helps scripts to parse the command line arguments in ``sys.argv``.
|
||||
It supports the same conventions as the Unix :cfunc:`getopt` function (including
|
||||
|
@ -136,9 +142,21 @@ In a script, typical usage is something like this::
|
|||
if __name__ == "__main__":
|
||||
main()
|
||||
|
||||
Note that an equivalent command line interface could be produced with less code
|
||||
and more informative help and error messages by using the :mod:`argparse` module::
|
||||
|
||||
import argparse
|
||||
|
||||
if __name__ == '__main__':
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument('-o', '--output')
|
||||
parser.add_argument('-v', dest='verbose', action='store_true')
|
||||
args = parser.parse_args()
|
||||
# ... do something with args.output ...
|
||||
# ... do something with args.verbose ..
|
||||
|
||||
.. seealso::
|
||||
|
||||
Module :mod:`optparse`
|
||||
More object-oriented command line option parsing.
|
||||
Module :mod:`argparse`
|
||||
Alternative command line option and argument parsing library.
|
||||
|
||||
|
|
|
@ -3,6 +3,12 @@
|
|||
|
||||
.. module:: optparse
|
||||
:synopsis: Command-line option parsing library.
|
||||
:deprecated:
|
||||
|
||||
.. deprecated:: 2.7
|
||||
The :mod:`optparse` module is deprecated and will not be developed further;
|
||||
development will continue with the :mod:`argparse` module.
|
||||
|
||||
.. moduleauthor:: Greg Ward <gward@python.net>
|
||||
.. sectionauthor:: Greg Ward <gward@python.net>
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue