[Python-Dev] [RELEASED] Python 3.3.0 release candidate 2
Perica Zivkovic
perica.zivkovic at gmail.com
Tue Sep 11 18:11:51 CEST 2012
Just a small note, MD5 for RC2 file python-3.3.0rc2.msi is not correct on http://python.org/download/releases/3.3.0/
it would be nice if someone can update it
cheers,
Perica
On Sunday, September 9, 2012 4:25:39 AM UTC-5, Georg Brandl wrote:
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> On behalf of the Python development team, I'm delighted to announce the
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> second release candidate of Python 3.3.0.
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>
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> This is a preview release, and its use is not recommended in
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> production settings.
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>
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> Python 3.3 includes a range of improvements of the 3.x series, as well
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> as easier porting between 2.x and 3.x. Major new features and changes
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> in the 3.3 release series are:
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>
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> * PEP 380, syntax for delegating to a subgenerator ("yield from")
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> * PEP 393, flexible string representation (doing away with the
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> distinction between "wide" and "narrow" Unicode builds)
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> * A C implementation of the "decimal" module, with up to 80x speedup
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> for decimal-heavy applications
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> * The import system (__import__) now based on importlib by default
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> * The new "lzma" module with LZMA/XZ support
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> * PEP 397, a Python launcher for Windows
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> * PEP 405, virtual environment support in core
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> * PEP 420, namespace package support
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> * PEP 3151, reworking the OS and IO exception hierarchy
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> * PEP 3155, qualified name for classes and functions
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> * PEP 409, suppressing exception context
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> * PEP 414, explicit Unicode literals to help with porting
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> * PEP 418, extended platform-independent clocks in the "time" module
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> * PEP 412, a new key-sharing dictionary implementation that
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> significantly saves memory for object-oriented code
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> * PEP 362, the function-signature object
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> * The new "faulthandler" module that helps diagnosing crashes
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> * The new "unittest.mock" module
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> * The new "ipaddress" module
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> * The "sys.implementation" attribute
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> * A policy framework for the email package, with a provisional (see
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> PEP 411) policy that adds much improved unicode support for email
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> header parsing
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> * A "collections.ChainMap" class for linking mappings to a single unit
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> * Wrappers for many more POSIX functions in the "os" and "signal"
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> modules, as well as other useful functions such as "sendfile()"
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> * Hash randomization, introduced in earlier bugfix releases, is now
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> switched on by default
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>
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> In total, almost 500 API items are new or improved in Python 3.3.
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> For a more extensive list of changes in 3.3.0, see
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>
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> http://docs.python.org/3.3/whatsnew/3.3.html
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>
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> To download Python 3.3.0 visit:
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>
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> http://www.python.org/download/releases/3.3.0/
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>
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> Please consider trying Python 3.3.0 with your code and reporting any bugs
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> you may notice to:
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>
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> http://bugs.python.org/
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>
>
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> Enjoy!
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>
>
> - --
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> Georg Brandl, Release Manager
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> georg at python.org
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> (on behalf of the entire python-dev team and 3.3's contributors)
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