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python-dev Summary for 2003-12-01 through 2003-12-31

 
 
Brett
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      01-11-2004
python-dev Summary for 2003-12-01 through 2003-12-31
++++++++++++++++++++++++++++++++++++++++++++++++++ ++
This is a summary of traffic on the `python-dev mailing list`_ from
December 1, 2003 through December 31, 2003. It is intended to inform
the wider Python community of on-going developments on the list. To
comment on anything mentioned here, just post to `comp.lang.python`_ (or
email http://www.velocityreviews.com/forums/(E-Mail Removed) which is a gateway to the newsgroup) with a
subject line mentioning what you are discussing. All python-dev members
are interested in seeing ideas discussed by the community, so don't
hesitate to take a stance on something. And if all of this really
interests you then get involved and join `python-dev`_!

This is the thirty-first and -second summaries written by Brett Cannon
(a friend of a friend actually reads this thing! Hi, Elle).

To contact me, please send email to brett at python.org ; I do not have
the time to keep up on comp.lang.python and thus do not always catch
follow-ups posted there.

All summaries are archived at http://www.python.org/dev/summary/ .

Please note that this summary is written using reStructuredText_ which
can be found at http://docutils.sf.net/rst.html . Any unfamiliar
punctuation is probably markup for reST_ (otherwise it is probably
regular expression syntax or a typo =); you can safely ignore it,
although I suggest learning reST; it's simple and is accepted for `PEP
markup`_ and gives some perks for the HTML output. Also, because of the
wonders of programs that like to reformat text, I cannot guarantee you
will be able to run the text version of this summary through Docutils_
as-is unless it is from the original text file.

... _PEP Markup: http://www.python.org/peps/pep-0012.html

The in-development version of the documentation for Python can be found
at http://www.python.org/dev/doc/devel/ and should be used when looking
up any documentation on something mentioned here. PEPs (Python
Enhancement Proposals) are located at http://www.python.org/peps/ . To
view files in the Python CVS online, go to
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/python/ . Reported bugs
and suggested patches can be found at the SourceForge_ project page.

The `Python Software Foundation`_ is the non-profit organization that
holds the intellectual property for Python. It also tries to forward
the development and use of Python. But the PSF cannot do this without
donations. You can make a donation at
http://python.org/psf/donations.html . Every penny helps so even a
small donation (you can donate through PayPal or by check) helps.

... _python-dev: http://www.python.org/dev/
... _SourceForge: http://sourceforge.net/tracker/?group_id=5470
... _python-dev mailing list:
http://mail.python.org/mailman/listinfo/python-dev
... _comp.lang.python: http://groups.google.com/groups?q=comp.lang.python
... _Docutils: http://docutils.sf.net/
... _reST:
... _reStructuredText: http://docutils.sf.net/rst.html
... _Python Software Foundation: http://python.org/psf/

... contents::

... _last summary:
http://www.python.org/dev/summary/20...003-11-15.html


=====================
Summary Announcements
=====================
Sorry if this summary comes off as light, but I caught the flu the week
of Christmas and it developed into walking pneumonia which I still have.

On a more positive note, PyCon is hitting its stride. Online
registration is available at http://pycon.org/dc2004 and early bird
registration ends January 31. Online talk proposal submission is online
at http://submit.pycon.org/ and the deadline is January 15.


=========
Summaries
=========
----------------------------
2.3.3 released to the masses
----------------------------
`Python 2.3.3`_ has gone out the door. Thanks to Anthony Baxter for
being release manager (again!) and to all of python-dev and anyone who
contributed code for this release. With this being a bugfix release
this supercedes 2.3.2 and thus people should upgrade if possible.

... _Python 2.3.3: http://python.org/2.3.3/

Contributing threads:
- `2.3.3 cycle
<http://mail.python.org/pipermail/python-dev/2003-December/040550.html>`__
- `release23-maint branch CLOSED for release
<http://mail.python.org/pipermail/python-dev/2003-December/040852.html>`__
- `Berkeley support in release23-maint
<http://mail.python.org/pipermail/python-dev/2003-December/041004.html>`__
- `RELEASED Python 2.3.3 (release candidate 1)
<http://mail.python.org/pipermail/python-dev/2003-December/040740.html>`__
- `2.3.3 portability audit
<http://mail.python.org/pipermail/python-dev/2003-December/041167.html>`__
- `2.3.3 and beyond
<http://mail.python.org/pipermail/python-dev/2003-December/041183.html>`__
- `RELEASED Python 2.3.3 (final)
<http://mail.python.org/pipermail/python-dev/2003-December/041286.html>`__
- `status of 2.3 branch for maintenance checkins
<http://mail.python.org/pipermail/python-dev/2003-December/041424.html>`__


----------------------------------
Pie-thon competition work ramps up
----------------------------------
`Dan Sugalski`_, project leader of the Parrot_ VM that will be used for
`Perl 6`_, reminded the list that the benchmark to be used for the
`Pie-thon`_ needed to be written since the bytecode for the benchmark
needed to be frozen.

So Guido wrote some benchmarks. They are in CVS under
nondist/sandbox/parrotbench .

... _Dan Sugalski: http://www.sidhe.org/~dan/blog/
... _Parrot: http://www.parrotcode.org/
... _Perl 6: http://dev.perl.org/perl6/
... _Pie-thon: http://www.sidhe.org/~dan/blog/archives/000219.html

Contributing threads:
- `Merry December
<http://mail.python.org/pipermail/python-dev/2003-December/040613.html>`__
- `Pie-thon benchmarks
<http://mail.python.org/pipermail/python-dev/2003-December/040963.html>`__
- `Pie-thon benchmark code ready
<http://mail.python.org/pipermail/python-dev/2003-December/041527.html>`__


--------------
PyCon is a go!
--------------
http://www.pycon.org/ has gone live! Registration_ is live (early-bird
ends January 31)! Online talk proposal submission is live (deadline is
January 15)!

... _Registration: http://www.pycon.org/dc2004

Contributing threads:
- `PyCon DC 2004 - Registration about to open!
<http://mail.python.org/pipermail/python-dev/2003-December/040553.html>`__
- `PyCon DC 2004 - Submissions Now Open
<http://mail.python.org/pipermail/python-dev/2003-December/041012.html>`__


----------------------------------------
operator gains attrgetter and itemgetter
----------------------------------------
The operator module has now gained two new functions: attrgetter and
itemgetter "which are useful for creating fast data extractor functions
for map(), list.sort(), itertools.groupby(), and other functions that
expect a function argument" according to Misc/NEWS .

Contributing threads:
- `Re: "groupby" iterator
<http://mail.python.org/pipermail/python-dev/2003-December/040590.html>`__


-------------------
CObjects and safety
-------------------
Michael Hudson pointed out how CObjects could be misused in Python code.
Various ideas of how to make them safer by checking that the proper
CObject was passed were proposed. The thread seemed to end without a
resolution, though.

Contributing threads:
- `are CObjects inherently unsafe?
<http://mail.python.org/pipermail/python-dev/2003-December/040702.html>`__


-----------------
Unicode is a pain
-----------------
Want proof? How about the fact that you can store a character like "ä"
either as two characters ("a" followed by "previous character has an
umlaut") or as one ("a with an umlaut"). The former is called
"decomposed normal form" and is used in OS X. Windows, of course, uses
the latter version.

Contributing threads:
- `test_unicode_file failing on Mac OS X
<http://mail.python.org/pipermail/python-dev/2003-December/040778.html>`__


------------------
Two new developers
------------------
Hye-Shik Chang has become a developer. You probably know him from his
work on the CJK codecs. He is now an official developer.

Vinay Sajip, implementor of the logging package has also been granted
CVS checkin rights.

Contributing threads:
- `New developer
<http://mail.python.org/pipermail/python-dev/2003-December/040808.html>`__


------------------------
Compiling 2.4 under .NET
------------------------
Martin v. Löwis has started sandbox work on an MSI installer and moving
Python 2.4 over to VC 7.

Contributing threads:
- `Py2.4 pre-alpha snapshot
<http://mail.python.org/pipermail/python-dev/2003-December/040784.html>`__
- `First version of Python MSI available
<http://mail.python.org/pipermail/python-dev/2003-December/041451.html>`__
- `Switching to VC.NET 2003
<http://mail.python.org/pipermail/python-dev/2003-December/041452.html>`__


-----------------------------
New method flag: METH_COEXIST
-----------------------------
Raymond Hettinger, in his continual pursuit of speed, came up with a new
method flag, METH_COEXIST, which causes a method to be used in place of
a slot wrapper. The example that actually led to this is __contains__:
a PyCFunction defining __contains__ tends to be faster than one in the
sq_contains slot thanks to METH_O and other tricks.

Contributing threads:
- `FW: METH_COEXIST
<http://mail.python.org/pipermail/python-dev/2003-December/040940.html>`__


------------------------------
Better relative import support
------------------------------
There was a huge discussion on a better way to handle relative imports
(think of the situation where you have your module ``import sys`` and
you happen to have a module named sys in the same directory; should that
local module be imported or the sys module from the stdlib?). Luckily
Aahz volunteered to write a PEP on the whole thread so I am being spared
from having to summarize the thing. =) Thanks, Aahz.

Contributing threads:
- `Re: Christmas Wishlist
<http://mail.python.org/pipermail/python-dev/2003-December/040973.html>`__
- `Re: Python-Dev Digest, Vol 5, Issue 57
<http://mail.python.org/pipermail/python-dev/2003-December/041078.html>`__
- `Relative import
<http://mail.python.org/pipermail/python-dev/2003-December/041065.html>`__
- `Another Strategy for Relative Import
<http://mail.python.org/pipermail/python-dev/2003-December/041418.html>`__


------------------------------
list.sorted becomes a built-in
------------------------------
Just as the title says, list.sorted has now been moved out of the list
type and has been made a built-in.

Contributing threads:
- `python/dist/src/Python bltinmodule.c,2.304,2.305
<http://mail.python.org/pipermail/python-dev/2003-December/041129.html>`__


--------------------------------
What to do with old Python code?
--------------------------------
Someone rewrote the bisect module in C. This brought up the question of
what to do with the old Python version. Some suggest moving it to the
Demo directory. Others suggest keeping the code but importing the C
version in the Python module. The idea of keeping both was quickly shot
down, though, like in the pickle/cPickle situation.

This discussion is still going at this time.

Contributing threads:
- `SF patch 864863: Bisect C implementation
<http://mail.python.org/pipermail/python-dev/2003-December/041511.html>`__

 
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Irmen de Jong
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Posts: n/a
 
      01-11-2004
First: thanks Brett, for the summary. And get well soon from your pneumonia.

Brett wrote:

> ------------------------
> Compiling 2.4 under .NET
> ------------------------
> Martin v. Löwis has started sandbox work on an MSI installer and moving
> Python 2.4 over to VC 7.


MSI? Why, what is wrong with the old installer?
I'm not too fond of MSI installers, I find them slow and large.
Especially when using lots of files. That may be a problem in the
installer script, but almost all MSI installers I encountered were
extremely slow when installing and deinstalling a program that
consists of a lot of files (and Python does).
(I must note that this is much less so with recent versions
than before, because the help files are no longer in seperate
html files but in a single chm file).

--Irmen
 
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Brett C.
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      01-19-2004
Irmen de Jong <(E-Mail Removed)> wrote in message news:<4001a488$0$317$(E-Mail Removed)4all.nl>...
> First: thanks Brett, for the summary. And get well soon from your pneumonia.
>


Thanks. The doctor has cleared me of pneumonia. Now if the funky
feeling in my lower back when I bend over would just go away I would
be willing to claim I am perfectly healthy.

> Brett wrote:
>
> > ------------------------
> > Compiling 2.4 under .NET
> > ------------------------
> > Martin v. Löwis has started sandbox work on an MSI installer and moving
> > Python 2.4 over to VC 7.

>
> MSI? Why, what is wrong with the old installer?
> I'm not too fond of MSI installers, I find them slow and large.
> Especially when using lots of files. That may be a problem in the
> installer script, but almost all MSI installers I encountered were
> extremely slow when installing and deinstalling a program that
> consists of a lot of files (and Python does).
> (I must note that this is much less so with recent versions
> than before, because the help files are no longer in seperate
> html files but in a single chm file).
>


I am guessing here, but I think it has to do with maintennance and
modernization. The WISE installer was only maintained by Tim Peters
and he has been hella (too much time in Berkeley) busy for a while
now. Moving over to MSI allows Martin to handle it along with anyone
else who has experience with MSI installers (which seems to be more
than WISE from the emails on the list). Decentralizing reliance on
individuals is important in case someone falls off the face of the
earth. The Python 2.3 releases have mostly been handled by people who
did not usually handle it. Yes, there were some issues, but now there
a bunch more people who know how to deal with a release.

Beyond that I don't know since I am an OS X user now and just compile
from source. =)

-Brett
 
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