[Python-checkins] python/dist/src/Doc/whatsnew whatsnew24.tex, 1.24, 1.25

Sun Jan 4 19:29:59 EST 2004

Update of /cvsroot/python/python/dist/src/Doc/whatsnew
In directory sc8-pr-cvs1:/tmp/cvs-serv25069
Modified Files:
	whatsnew24.tex 
Log Message:
* Add various updates reflecting the last two weeks of checkins:
 timeit, base64, MSVC++ 7.1 build, METH_COEXISTS, and optimizations.
* Put in a comment suggesting an improvement to the rsplit() example.
Index: whatsnew24.tex
===================================================================
RCS file: /cvsroot/python/python/dist/src/Doc/whatsnew/whatsnew24.tex,v
retrieving revision 1.24
retrieving revision 1.25
diff -C2 -d -r1.24 -r1.25
*** whatsnew24.tex	2 Jan 2004 06:57:50 -0000	1.24
--- whatsnew24.tex	5 Jan 2004 00:29:57 -0000	1.25
***************
*** 150,153 ****
--- 150,161 ----
 \end{verbatim}

+ % Consider replacing the above example with one that is less
+ % abstract and more suggestive of why the function is useful:
+ % 
+ % >>> 'www.python.org'.split('.', 1)
+ % ['www', 'python.org']
+ % >>> 'www.python.org'.rsplit('.', 1)
+ % ['www.python', 'org'] 
+ 
 \item The \method{sort()} method of lists gained three keyword
 arguments, \var{cmp}, \var{key}, and \var{reverse}. These arguments
***************
*** 260,264 ****
 \begin{itemize}

! \item Optimizations should be described here.

 \end{itemize}
--- 268,283 ----
 \begin{itemize}

! \item \function{list()}, \function{tuple()}, \function{map()},
! \function{filter()}, and \function{zip()} now run several times
! faster with non-sequence arguments that supply a \method{__len__()}
! method. Previously, the pre-sizing optimization only applied to
! sequence arguments.
! 
! \item The unbound methods \method{list.__getitem__()},
! \method{dict.__getitem__()}, and \method{dict.__contains__()} are
! are now implemented as \class{method_descriptor} objects rather
! than \class{wrapper_descriptor} objects. This form of optimized
! access doubles their performance and makes them more suitable for
! use as arguments to functionals: \samp{map(dict.__contains__, mydict)}.

 \end{itemize}
***************
*** 424,427 ****
--- 443,451 ----
 look-up process.

+ \item A new method flag, \code{METH_COEXISTS}, allows a function
+ defined in slots to co-exist with a PyCFunction having the same name.
+ This can halve the access to time to a method such as
+ \method{set.__contains__()}
+ 
 \end{itemize}

***************
*** 430,434 ****
 \subsection{Port-Specific Changes}

! Platform-specific changes go here.

--- 454,462 ----
 \subsection{Port-Specific Changes}

! \begin{itemize}
! 
! \item The Windows port now builds under MSVC++ 7.1 as well as version 6.
! 
! \end{itemize}

***************
*** 445,449 ****
 \begin{itemize}

! \item Details go here.

 \end{itemize}
--- 473,484 ----
 \begin{itemize}

! \item The \module{timeit} module now automatically disables periodic
! garbarge collection during the timing loop. This change makes
! consecutive timings more comparable.
! 
! \item The \module{base64} module now has more complete RFC 3548 support
! for Base64, Base32, and Base16 encoding and decoding, including
! optional case folding and optional alternative alphabets.
! (Contributed by Barry Warsaw.)

 \end{itemize}