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)
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diff --git a/Doc/library/argparse.rst b/Doc/library/argparse.rst
index 89ab63ae9aa8673a7c3e183f6f354e24c4198463..19c5c813692ffeb1cbf1f0e74e9e07ae3969f383 100644 (file)
--- a/Doc/library/argparse.rst
+++ b/Doc/library/argparse.rst
@@ -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>')``

diff --git a/Doc/library/getopt.rst b/Doc/library/getopt.rst
index 67cbe2534117b659daaf84b1aa3e4fac58366c6b..f969d7e98915ded22be70b95c9f672001fa26f52 100644 (file)
--- a/Doc/library/getopt.rst
+++ b/Doc/library/getopt.rst
@@ -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.
 

diff --git a/Doc/library/optparse.rst b/Doc/library/optparse.rst
index 90c28a0487156a9f73107f15c9103c0ad2871c2c..37eab3768e1df947b3f856ab3ad2de10f781474b 100644 (file)
--- a/Doc/library/optparse.rst
+++ b/Doc/library/optparse.rst
@@ -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>