[Python-checkins] r74792 - in python/branches/py3k: Doc/library/future.rst

Mon Sep 14 16:49:30 CEST 2009

Author: georg.brandl
Date: Mon Sep 14 16:49:30 2009
New Revision: 74792
Log:
Recorded merge of revisions 74791 via svnmerge from 
svn+ssh://pythondev@svn.python.org/python/trunk
........
 r74791 | georg.brandl | 2009年09月14日 16:08:54 +0200 (Mo, 14 Sep 2009) | 1 line
 
 #6574: list the future features in a table.
........
Modified:
 python/branches/py3k/ (props changed)
 python/branches/py3k/Doc/library/__future__.rst
Modified: python/branches/py3k/Doc/library/__future__.rst
==============================================================================

--- python/branches/py3k/Doc/library/__future__.rst	(original)
+++ python/branches/py3k/Doc/library/__future__.rst	Mon Sep 14 16:49:30 2009
@@ -10,9 +10,9 @@
 * To avoid confusing existing tools that analyze import statements and expect to
 find the modules they're importing.
 
-* To ensure that future_statements run under releases prior to 2.1 at least
- yield runtime exceptions (the import of :mod:`__future__` will fail, because
- there was no module of that name prior to 2.1).
+* To ensure that :ref:`future statements <future>` run under releases prior to
+ 2.1 at least yield runtime exceptions (the import of :mod:`__future__` will
+ fail, because there was no module of that name prior to 2.1).
 
 * To document when incompatible changes were introduced, and when they will be
 --- or were --- made mandatory. This is a form of executable documentation, and
@@ -56,7 +56,37 @@
 dynamically compiled code. This flag is stored in the :attr:`compiler_flag`
 attribute on :class:`_Feature` instances.
 
-No feature description will ever be deleted from :mod:`__future__`.
+No feature description will ever be deleted from :mod:`__future__`. Since its
+introduction in Python 2.1 the following features have found their way into the
+language using this mechanism:
+
++------------------+-------------+--------------+---------------------------------------------+
+| feature | optional in | mandatory in | effect |
++==================+=============+==============+=============================================+
+| nested_scopes | 2.1.0b1 | 2.2 | :pep:`227`: |
+| | | | *Statically Nested Scopes* |
++------------------+-------------+--------------+---------------------------------------------+
+| generators | 2.2.0a1 | 2.3 | :pep:`255`: |
+| | | | *Simple Generators* |
++------------------+-------------+--------------+---------------------------------------------+
+| division | 2.2.0a2 | 3.0 | :pep:`238`: |
+| | | | *Changing the Division Operator* |
++------------------+-------------+--------------+---------------------------------------------+
+| absolute_import | 2.5.0a1 | 2.7 | :pep:`328`: |
+| | | | *Imports: Multi-Line and Absolute/Relative* |
++------------------+-------------+--------------+---------------------------------------------+
+| with_statement | 2.5.0a1 | 2.6 | :pep:`343`: |
+| | | | *The "with" Statement* |
++------------------+-------------+--------------+---------------------------------------------+
+| print_function | 2.6.0a2 | 3.0 | :pep:`3105`: |
+| | | | *Make print a function* |
++------------------+-------------+--------------+---------------------------------------------+
+| unicode_literals | 2.6.0a2 | 3.0 | :pep:`3112`: |
+| | | | *Bytes literals in Python 3000* |
++------------------+-------------+--------------+---------------------------------------------+
+| barry_as_FLUFL | 3.1.0a1 | 3.9 | :pep:`401`: |
+| | | | *BDFL Retirement* |
++------------------+-------------+--------------+---------------------------------------------+
 
 .. seealso::
 


[Python-checkins] r74792 - in python/branches/py3k: Doc/library/__future__.rst

[Python-checkins] r74792 - in python/branches/py3k: Doc/library/future.rst