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authorGeorg Brandl <georg@python.org>2009-07-26 15:02:41 +0000
committerGeorg Brandl <georg@python.org>2009-07-26 15:02:41 +0000
commit502d9a5c2cf7c0837911890e7dcccd7aada10adf (patch)
tree5e712865fce6c8490a87873b2b4694bc965d2233 /Doc/library/optparse.rst
parent22b3431426349a424e3486c279db8b84cf671da0 (diff)
downloadcpython-git-502d9a5c2cf7c0837911890e7dcccd7aada10adf.tar.gz
Merged revisions 74207 via svnmerge from
svn+ssh://pythondev@svn.python.org/python/trunk ........ r74207 | georg.brandl | 2009-07-26 16:19:57 +0200 (So, 26 Jul 2009) | 1 line #6577: fix (hopefully) all links to builtin instead of module/class-specific objects. ........
Diffstat (limited to 'Doc/library/optparse.rst')
-rw-r--r--Doc/library/optparse.rst38
1 files changed, 19 insertions, 19 deletions
diff --git a/Doc/library/optparse.rst b/Doc/library/optparse.rst
index 0369aeb993..6320fa71c5 100644
--- a/Doc/library/optparse.rst
+++ b/Doc/library/optparse.rst
@@ -282,7 +282,7 @@ that's rarely necessary: by default it uses ``sys.argv[1:]``.)
* ``args``, the list of positional arguments leftover after parsing options
This tutorial section only covers the four most important option attributes:
-:attr:`action`, :attr:`type`, :attr:`dest` (destination), and :attr:`help`. Of
+:attr:`action`, :attr:`!type`, :attr:`dest` (destination), and :attr:`help`. Of
these, :attr:`action` is the most fundamental.
@@ -829,7 +829,7 @@ this option on the command-line. The standard option actions hard-coded into
print a usage message including all options and the documentation for them
(If you don't supply an action, the default is ``store``. For this action, you
-may also supply :attr:`type` and :attr:`dest` option attributes; see below.)
+may also supply :attr:`!type` and :attr:`dest` option attributes; see below.)
As you can see, most actions involve storing or updating a value somewhere.
:mod:`optparse` always creates a special object for this, conventionally called
@@ -860,7 +860,7 @@ then :mod:`optparse`, on seeing this option, will do the equivalent of ::
options.filename = "foo"
-The :attr:`type` and :attr:`dest` option attributes are almost as important as
+The :attr:`!type` and :attr:`dest` option attributes are almost as important as
:attr:`action`, but :attr:`action` is the only one that makes sense for *all*
options.
@@ -875,18 +875,18 @@ Most actions have several relevant option attributes which you may specify to
guide :mod:`optparse`'s behaviour; a few have required attributes, which you
must specify for any option using that action.
-* ``store`` [relevant: :attr:`type`, :attr:`dest`, ``nargs``, ``choices``]
+* ``store`` [relevant: :attr:`!type`, :attr:`dest`, ``nargs``, ``choices``]
The option must be followed by an argument, which is converted to a value
- according to :attr:`type` and stored in :attr:`dest`. If ``nargs`` > 1,
+ according to :attr:`!type` and stored in :attr:`dest`. If ``nargs`` > 1,
multiple arguments will be consumed from the command line; all will be converted
- according to :attr:`type` and stored to :attr:`dest` as a tuple. See the
+ according to :attr:`!type` and stored to :attr:`dest` as a tuple. See the
"Option types" section below.
If ``choices`` is supplied (a list or tuple of strings), the type defaults to
``choice``.
- If :attr:`type` is not supplied, it defaults to ``string``.
+ If :attr:`!type` is not supplied, it defaults to ``string``.
If :attr:`dest` is not supplied, :mod:`optparse` derives a destination from the
first long option string (e.g., ``"--foo-bar"`` implies ``foo_bar``). If there
@@ -938,7 +938,7 @@ must specify for any option using that action.
parser.add_option("--clobber", action="store_true", dest="clobber")
parser.add_option("--no-clobber", action="store_false", dest="clobber")
-* ``append`` [relevant: :attr:`type`, :attr:`dest`, ``nargs``, ``choices``]
+* ``append`` [relevant: :attr:`!type`, :attr:`dest`, ``nargs``, ``choices``]
The option must be followed by an argument, which is appended to the list in
:attr:`dest`. If no default value for :attr:`dest` is supplied, an empty list
@@ -946,7 +946,7 @@ must specify for any option using that action.
the command-line. If ``nargs`` > 1, multiple arguments are consumed, and a
tuple of length ``nargs`` is appended to :attr:`dest`.
- The defaults for :attr:`type` and :attr:`dest` are the same as for the ``store``
+ The defaults for :attr:`!type` and :attr:`dest` are the same as for the ``store``
action.
Example::
@@ -988,7 +988,7 @@ must specify for any option using that action.
options.verbosity += 1
-* ``callback`` [required: ``callback``; relevant: :attr:`type`, ``nargs``,
+* ``callback`` [required: ``callback``; relevant: :attr:`!type`, ``nargs``,
``callback_args``, ``callback_kwargs``]
Call the function specified by ``callback``, which is called as ::
@@ -1061,7 +1061,7 @@ to a particular option, or fail to pass a required option attribute,
Determines :mod:`optparse`'s behaviour when this option is seen on the command
line; the available options are documented above.
-* :attr:`type` (default: ``"string"``)
+* :attr:`!type` (default: ``"string"``)
The argument type expected by this option (e.g., ``"string"`` or ``"int"``); the
available option types are documented below.
@@ -1079,7 +1079,7 @@ to a particular option, or fail to pass a required option attribute,
* ``nargs`` (default: 1)
- How many arguments of type :attr:`type` should be consumed when this option is
+ How many arguments of type :attr:`!type` should be consumed when this option is
seen. If > 1, :mod:`optparse` will store a tuple of values to :attr:`dest`.
* ``const``
@@ -1410,15 +1410,15 @@ The four arguments to a callback are described below.
There are several other option attributes that you can supply when you define a
callback option:
-:attr:`type`
+:attr:`!type`
has its usual meaning: as with the ``store`` or ``append`` actions, it instructs
- :mod:`optparse` to consume one argument and convert it to :attr:`type`. Rather
+ :mod:`optparse` to consume one argument and convert it to :attr:`!type`. Rather
than storing the converted value(s) anywhere, though, :mod:`optparse` passes it
to your callback function.
``nargs``
also has its usual meaning: if it is supplied and > 1, :mod:`optparse` will
- consume ``nargs`` arguments, each of which must be convertible to :attr:`type`.
+ consume ``nargs`` arguments, each of which must be convertible to :attr:`!type`.
It then passes a tuple of converted values to your callback.
``callback_args``
@@ -1450,8 +1450,8 @@ where
``value``
is the argument to this option seen on the command-line. :mod:`optparse` will
- only expect an argument if :attr:`type` is set; the type of ``value`` will be
- the type implied by the option's type. If :attr:`type` for this option is
+ only expect an argument if :attr:`!type` is set; the type of ``value`` will be
+ the type implied by the option's type. If :attr:`!type` for this option is
``None`` (no argument expected), then ``value`` will be ``None``. If ``nargs``
> 1, ``value`` will be a tuple of values of the appropriate type.
@@ -1578,7 +1578,7 @@ Callback example 5: fixed arguments
Things get slightly more interesting when you define callback options that take
a fixed number of arguments. Specifying that a callback option takes arguments
is similar to defining a ``store`` or ``append`` option: if you define
-:attr:`type`, then the option takes one argument that must be convertible to
+:attr:`!type`, then the option takes one argument that must be convertible to
that type; if you further define ``nargs``, then the option takes ``nargs``
arguments.
@@ -1757,7 +1757,7 @@ Adding new actions is a bit trickier, because you have to understand that
"typed" actions
actions that take a value from the command line and expect it to be of a certain
type; or rather, a string that can be converted to a certain type. These
- options require a :attr:`type` attribute to the Option constructor.
+ options require a :attr:`!type` attribute to the Option constructor.
These are overlapping sets: some default "store" actions are ``store``,
``store_const``, ``append``, and ``count``, while the default "typed" actions