python-peps/pep-0356.txt

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PEP: 356
Title: Python 2.5 Release Schedule
Version: $Revision$
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Last-Modified: $Date$
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Author: Neal Norwitz, GvR, Anthony Baxter
Status: Draft
Type: Informational
Created: 07-Feb-2006
Python-Version: 2.5
Post-History:
Abstract
This document describes the development and release schedule for
Python 2.5. The schedule primarily concerns itself with PEP-sized
items. Small features may be added up to and including the first
beta release. Bugs may be fixed until the final release.
There will be at least two alpha releases, two beta releases, and
one release candidate. The release date is planned 19 August 2006.
Release Manager
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Anthony Baxter has volunteered to be Release Manager.
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Martin von Loewis is building the Windows installers,
Ronald Oussoren is building the Mac installers,
Fred Drake the doc packages and
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Sean Reifschneider the RPMs.
Release Schedule
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alpha 1: April 5, 2006 [completed]
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alpha 2: April 27, 2006 [completed]
beta 1: June 20, 2006 [planned]
beta 2: July 12, 2006 [planned]
rc 1: August 1, 2006 [planned]
final: August 8, 2006 [planned]
Completed features for 2.5
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PEP 308: Conditional Expressions
PEP 309: Partial Function Application
PEP 314: Metadata for Python Software Packages v1.1
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PEP 328: Absolute/Relative Imports
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PEP 338: Executing Modules as Scripts
PEP 341: Unified try-except/try-finally to try-except-finally
PEP 342: Coroutines via Enhanced Generators
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PEP 343: The "with" Statement
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(still need updates in Doc/ref and for the contextlib module)
PEP 352: Required Superclass for Exceptions
PEP 353: Using ssize_t as the index type
PEP 357: Allowing Any Object to be Used for Slicing
- ASCII became the default coding
- AST-based compiler
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- Access to C AST from Python through new _ast module
- any()/all() builtin truth functions
New standard library modules
- cProfile -- suitable for profiling long running applications
with minimal overhead
- ctypes -- optional component of the windows installer
- ElementTree and cElementTree -- by Fredrik Lundh
- hashlib -- adds support for SHA-224, -256, -384, and -512
(replaces old md5 and sha modules)
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- msilib -- for creating MSI files and bdist_msi in distutils.
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- pysqlite
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- uuid
- wsgiref
Other notable features
- Added support for reading shadow passwords (http://python.org/sf/579435)
- Added support for the Unicode 4.1 UCD
- Added PEP 302 zipfile/__loader__ support to the following modules:
warnings, linecache, inspect, traceback, site, and doctest
- Added pybench Python benchmark suite -- by Marc-Andre Lemburg
2006-04-27 13:33:42 -04:00
- Add write support for mailboxes from the code in sandbox/mailbox.
(Owner: A.M. Kuchling. It would still be good if another person
would take a look at the new code.)
- Support for building "fat" Mac binaries (Intel and PPC)
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- Add new icons for Windows with the new Python logo?
- New utilities in functools to help write wrapper functions that
support naive introspection (e.g. having f.__name__ return
the original function name).
Possible features for 2.5
Each feature below should implemented prior to beta1 or
will require BDFL approval for inclusion in 2.5.
- Modules under consideration for inclusion:
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- Upgrade pyexpat to use expat 2.0?
(Patch by Trent Mick, #1462338)
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- Add new icons for MacOS and Unix with the new Python logo?
(Owner: ???)
MacOS: http://hcs.harvard.edu/~jrus/python/prettified-py-icons.png
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2006-04-03 06:32:57 -04:00
- Check the various bits of code in Demo/ all still work, update or
remove the ones that don't.
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(Owner: Anthony)
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- All modules in Modules/ should be updated to be ssize_t clean.
(Owner: Neal)
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- Python core should compile cleanly with g++
(Owner: Anthony)
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Deferred until 2.6:
- bdist_deb in distutils package
http://mail.python.org/pipermail/python-dev/2006-February/060926.html
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- bdist_egg in distutils package
(though bdist_egg is supported in setuptools)
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- pure python pgen module
(Owner: Guido)
- Remove the fpectl module?
Open issues
- Bugs that need resolving before release:
http://python.org/sf/1504046
http://python.org/sf/1512814
http://python.org/sf/1512695
http://python.org/sf/1501934
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- Missing documentation
* ElementTree/cElementTree (Fredrik Lundh)
Needs latex-ifcation, patch at http://python.org/sf/1504046
* uuid (Ka-Ping Yee), patch at http://python.org/sf/1508766
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- AST compiler problems
(Owner: Jeremy Hylton)
* eval(str(-sys.maxint - 1)) should produce an int, not long.
when a constant it should not be stored in co_consts
* string constants that are not assigned are in byte code
def foo():
"docstring"
"not a docstring"
the constant (not a docstring) should not be stored in co_consts
* test_trace tests that were commented out for AST must be fixed
only test_05_no_pop_tops remains outstanding
(Owner: Jeremy Hylton)
http://python.org/sf/1191458
- test_zipfile64 takes too long and too much disk space for
most of the buildbots. How should this be handled?
It is currently disabled.
- should C modules listed in "Undocumented modules" be removed too?
"timing" (listed as obsolete), "cl" (listed as possibly not up-to-date),
and "sv" (listed as obsolete hardware specific).
Copyright
This document has been placed in the public domain.
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