Simplify code and speed access by using PyArg_UnpackTuple, METH_O and
METH_NOARGS in three modules that can benefit from it.

because the test file, msg_26.txt which has \r\n line endings, was
getting munged by cvs, which knows to do line ending conversions for
text files.  But we want \r\n to be preserved on all platforms, so we
cvs admin'd the file to be -kb (binary), which means we have to open
the file in binary mode to preserve these line ends.  Hopefully this
will be the end of the thrashing on this issue (but probably not).

Test passes on *nix now, and Tim confirms it passes on Windows.  We'll
leave it to Jack to test MacOS.

(or None) now.  In 2.3a1 they could also return an int or long, but that
was an unhelpfully redundant leftover from an earlier version wherein
they couldn't return a timedelta.  TOOWTDI.

661092.

2. Add more .txt files to installation
3. Fix the reference to Visual Python, s/b VPython

dst() returns None (instead of treating that as 0).

be an unbounded number of API changes <0.6 wink>.

turned out to be 3 special cases of a single more-general result.
Proving the latter instead is a real simplification.

PC/python_nt.rc sets up the DLL version resource (displayed when you
right-click on the DLL and select Properties).

PCbuld/python20.wse sets up the installer version resource (displayed
when you right-click on the installer .exe and select Properties).  Turns
out this one hadn't been updated since 2001 <frown>!

On Windows, it was very common to get microsecond values (out of
.today() and .now()) of the form 480999, i.e. with three trailing
nines.  The platform precision is .001 seconds, and fp rounding
errors account for the rest.  Under the covers, that 480999 started
life as the fractional part of a timestamp, like .4809999978.
Rounding that times 1e6 cures the irritation.

Confession:  the platform precision isn't really .001 seconds.  It's
usually worse.  What actually happens is that MS rounds a cruder value
to a multiple of .001, and that suffers its own rounding errors.

A tiny bit of refactoring added a new internal utility to round
doubles.

release branch?)

Added the logging package.  In the meantime, Neal Norwitz added a
test_logging.py to the std test suite, which would have caught this
oversight in the Windows installer.

Add a test for logging from Vinay Sajip (module author)

This work uncovered the zipimport bug in 2.3a1 -- wish I'd had time to
do this before the release :-(.

the test set as it only tested with a zip archive in the current directory,
but it doesn't work at all for packages when the zip archive was specified
as an absolute path. It's a real embarrassing bug: a strchr call should
have been strrchr; fever apparently implies dyslexia.

Second stupid bug: the zipimport test failed with a name error
__importer__ (which I had renamed to __loader__ everywhere but here).
I would've sworn I ran the test after that change but that can't be true.
What I don't understand that noone reported a failing test_zipimport.py
before the release of 2.3a1.

- minor markup changes
- indented for consistency with newer content

http://mail.python.org/pipermail/python-dev/2003-January/031556.html

correct by your lights, it means that-- barring coding errors --it
implements what it intended to implement.

robust. This makes socketserver's close() method callable repeatedly
without error - similar to other file-like objects.

suggestion from Guido, along with a formal correctness proof of the
trickiest bit.  The intricacy of the proof reveals how delicate this
is, but also how robust the conclusion:  correctness doesn't rely on
dst() returning +- one hour (not all real time zones do!), it only
relies on:

1. That dst() returns a (any) non-zero value if and only if daylight
   time is in effect.

and

2. That the tzinfo subclass implements a consistent notion of time zone.

The meaning of "consistent" was a hidden assumption, which is now an
explicit requirement in the docs.  Alas, it's an unverifiable (by the
datetime implementation) requirement, but so it goes.