[Python-checkins] r88274 - python/branches/py3k/Doc/whatsnew/3.2.rst
raymond.hettinger
python-checkins at python.org
Mon Jan 31 07:14:49 CET 2011
Author: raymond.hettinger
Date: Mon Jan 31 07:14:48 2011
New Revision: 88274
Log:
Fix minor grammar nits.
Revert r88272 -- the examples are more readable with spacing.
Add todos for difflib and logging.
Modified:
python/branches/py3k/Doc/whatsnew/3.2.rst
Modified: python/branches/py3k/Doc/whatsnew/3.2.rst
==============================================================================
--- python/branches/py3k/Doc/whatsnew/3.2.rst (original)
+++ python/branches/py3k/Doc/whatsnew/3.2.rst Mon Jan 31 07:14:48 2011
@@ -88,7 +88,7 @@
positional arguments (not just options), subcommands, required options and other
common patterns of specifying and validating options.
-This module already has widespread success in the community as a
+This module has already had widespread success in the community as a
third-party module. Being more fully featured than its predecessor, the
:mod:`argparse` module is now the preferred module for command-line processing.
The older module is still being kept available because of the substantial amount
@@ -100,18 +100,18 @@
import argparse
parser = argparse.ArgumentParser(
- description='Manage servers', # main description for help
- epilog='Tested on Solaris and Linux') # displayed after help
+ description = 'Manage servers', # main description for help
+ epilog = 'Tested on Solaris and Linux') # displayed after help
parser.add_argument('action', # argument name
- choices=['deploy', 'start', 'stop'], # three allowed values
- help='action on each target') # help msg
+ choices = ['deploy', 'start', 'stop'], # three allowed values
+ help = 'action on each target') # help msg
parser.add_argument('targets',
- metavar='HOSTNAME', # var name used in help msg
- nargs='+', # require one or more targets
- help='url for target machines') # help msg explanation
+ metavar = 'HOSTNAME', # var name used in help msg
+ nargs = '+', # require one or more targets
+ help = 'url for target machines') # help msg explanation
parser.add_argument('-u', '--user', # -u or --user option
- required=True, # make it a required argument
- help='login as user')
+ required = True, # make it a required argument
+ help = 'login as user')
Example of calling the parser on a command string::
@@ -329,7 +329,7 @@
* The :mod:`py_compile` and :mod:`compileall` modules have been updated to
reflect the new naming convention and target directory. The command-line
invocation of *compileall* has new command-line options: ``-i`` for
- specifying a list of files and directories to compile, and ``-b`` which causes
+ specifying a list of files and directories to compile and ``-b`` which causes
bytecode files to be written to their legacy location rather than
*__pycache__*.
@@ -391,7 +391,7 @@
The *native strings* are always of type :class:`str` but are restricted to code
points between *U+0000* through *U+00FF* which are translatable to bytes using
*Latin-1* encoding. These strings are used for the keys and values in the
-``environ`` dictionary and for response headers and statuses in the
+environment dictionary and for response headers and statuses in the
:func:`start_response` function. They must follow :rfc:`2616` with respect to
encoding. That is, they must either be *ISO-8859-1* characters or use
:rfc:`2047` MIME encoding.
@@ -1414,7 +1414,7 @@
---
The :mod:`ast` module has a wonderful a general-purpose tool for safely
-evaluating strings containing Python expressions using the Python literal
+evaluating expression strings using the Python literal
syntax. The :func:`ast.literal_eval` function serves as a secure alternative to
the builtin :func:`eval` function which is easily abused. Python 3.2 adds
:class:`bytes` and :class:`set` literals to the list of supported types:
@@ -1881,8 +1881,7 @@
dbm
---
-All database modules now support :meth:`get` and :meth:`setdefault` are now
-available in all database modules
+All database modules now support the :meth:`get` and :meth:`setdefault` methods.
(Suggested by Ray Allen in :issue:`9523`.)
@@ -2094,14 +2093,8 @@
(All changes contributed by Łukasz Langa.)
-difflib
--------
-
-:class:`difflib.SequenceMatcher` has a new parameter in its constructor,
-*autojunk*, that allows the user to turn off the automatic junk heuristic the
-class uses in its algorithm. Additionally, two new attributes were exposed
-to users - *bjunk* and *bpopular*, allowing better understanding of the
-heuristics used by the class.
+.. XXX show a difflib example
+.. XXX add entry for logging changes other than the dict config pep
urllib.parse
------------
@@ -2460,13 +2453,13 @@
function declaration, which was kept for backwards compatibility reasons, is
now removed -- the macro was introduced in 1997 (:issue:`8276`).
-* The is a new function :c:func:`PyLong_AsLongLongAndOverflow` which
+* There is a new function :c:func:`PyLong_AsLongLongAndOverflow` which
is analogous to :c:func:`PyLong_AsLongAndOverflow`. They both serve to
convert Python :class:`int` into a native fixed-width type while providing
detection of cases where the conversion won't fit (:issue:`7767`).
-* The :c:func:`PyUnicode_CompareWithASCIIString` now returns *not equal*
- if the Python string is *NUL* terminated.
+* The :c:func:`PyUnicode_CompareWithASCIIString` function now returns *not
+ equal* if the Python string is *NUL* terminated.
* There is a new function :c:func:`PyErr_NewExceptionWithDoc` that is
like :c:func:`PyErr_NewException` but allows a docstring to be specified.
@@ -2621,6 +2614,6 @@
and :c:func:`PyEval_RestoreThread()`) should be used instead.
* Due to security risks, :func:`asyncore.handle_accept` has been deprecated, and
- a new function, :func:`asyncore.handle_accepted` was added to replace it.
+ a new function, :func:`asyncore.handle_accepted`, was added to replace it.
(Contributed by Giampaolo Rodola in :issue:`6706`.)
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