Correct versions since this PEP was not implemented in 2.4

This commit is contained in:
Neal Norwitz 2006-02-19 03:29:42 +00:00
parent dcbb9e2182
commit f42160765a
1 changed files with 9 additions and 7 deletions

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@ -5,7 +5,7 @@ Last-Modified: $Date$
Author: Aahz <aahz@pythoncraft.com>
Status: Accepted
Type: Standards Track
Python-Version: 2.4, 2,5, 2.6
Python-Version: 2.4, 2,5, 2.6, 2.7
Content-Type: text/x-rst
Created: 21-Dec-2003
Post-History: 8-Mar-2004
@ -36,14 +36,14 @@ imports.
Timeline
========
In Python 2.4, you must enable the new absolute import behavior with ::
In Python 2.5, you must enable the new absolute import behavior with ::
from __future__ import absolute_import
You may use relative imports freely. In Python 2.5, any ``import``
You may use relative imports freely. In Python 2.6, any ``import``
statement that results in an intra-package import will raise
``DeprecationWarning`` (this also applies to ``from <> import`` that
fails to use the relative import syntax). In Python 2.6, ``import`` will
fails to use the relative import syntax). In Python 2.7, ``import`` will
always be an absolute import (and the ``__future__`` directive will no
longer be needed).
@ -74,11 +74,13 @@ mechanism (parentheses) to write the ``import`` statement::
This part of the proposal had BDFL approval from the beginning.
Parentheses support was added to Python 2.4.
Rationale for Absolute Imports
==============================
In Python 2.3 and earlier, if you're reading a module located inside a
In Python 2.4 and earlier, if you're reading a module located inside a
package, it is not clear whether ::
import foo
@ -98,7 +100,7 @@ the cost of difficulty when renaming package pieces higher up in the
hierarchy or when moving one package inside another.
Because this represents a change in semantics, absolute imports will
be optional in Python 2.4 and 2.5 through the use of ::
be optional in Python 2.5 and 2.6 through the use of ::
from __future__ import absolute_import
@ -192,7 +194,7 @@ Here are the contenders:
import NAMES as RENAME from MODULE searching HOW
[from NAMES] [in WHERE] import ...
However, this most likely could not be implemented for Python 2.4
However, this most likely could not be implemented for Python 2.5
(too big a change), and allowing relative imports is sufficiently
critical that we need something now (given that the standard
``import`` will change to absolute import). More than that, this