[Python-checkins] python/dist/src/Doc/whatsnew whatsnew24.tex, 1.102, 1.103

akuchling at users.sourceforge.net akuchling at users.sourceforge.net
Thu Sep 23 22:15:44 CEST 2004


Update of /cvsroot/python/python/dist/src/Doc/whatsnew
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv2793

Modified Files:
	whatsnew24.tex 
Log Message:
Add various items

Index: whatsnew24.tex
===================================================================
RCS file: /cvsroot/python/python/dist/src/Doc/whatsnew/whatsnew24.tex,v
retrieving revision 1.102
retrieving revision 1.103
diff -u -d -r1.102 -r1.103
--- whatsnew24.tex	20 Sep 2004 17:47:46 -0000	1.102
+++ whatsnew24.tex	23 Sep 2004 20:15:41 -0000	1.103
@@ -941,6 +941,10 @@
   the generated bytecode for list comprehensions and speeds them up
   by about a third.  (Contributed by Raymond Hettinger.)
 
+\item The peephole bytecode optimizer has been improved to 
+produce shorter, faster bytecode; remarkably the resulting bytecode is 
+more readable.  (Enhanced by Raymond Hettinger.)
+
 \item String concatenations in statements of the form \code{s = s +
 "abc"} and \code{s += "abc"} are now performed more efficiently in
 certain circumstances.  This optimization won't be present in other
@@ -1056,6 +1060,12 @@
    find the N largest or smallest values in a dataset without the
    expense of a full sort.  (Contributed by Raymond Hettinger.)
 
+\item The \module{httplib} module now contains constants for HTTP
+status codes defined in various HTTP-related RFC documents.  Constants
+have names such as \constant{OK}, \constant{CREATED},
+\constant{CONTINUE}, and \constant{MOVED_PERMANENTLY}; use pydoc to
+get a full list.  (Contributed by Andrew Eland.)
+
 \item The \module{imaplib} module now supports IMAP's THREAD command
 (contributed by Yves Dionne) and new \method{deleteacl()} and
 \method{myrights()} methods (contributed by Arnaud Mazin).
@@ -1167,6 +1177,11 @@
 classes derive from a new \class{BaseRotatingHandler} class that can
 be used to implement other rotating handlers.
 
+\item The \module{marshal} module now shares interned strings on unpacking a 
+data structure.  This may shrink the size of certain pickle strings,
+but the primary effect is to make \file{.pyc} files significantly smaller.
+(Contributed by Martin von Loewis.)
+
 \item The \module{nntplib} module's \class{NNTP} class gained
 \method{description()} and \method{descriptions()} methods to retrieve 
 newsgroup descriptions for a single group or for a range of groups.
@@ -1347,6 +1362,10 @@
   implements fast dictionary lookups without masking exceptions raised
   during the look-up process.  (Contributed by Raymond Hettinger.)
 
+  \item The \csimplemacro{Py_IS_NAN(\var{X})} macro returns 1 if 
+  its float or double argument \var{X} is a NaN.  
+  (Contributed by Tim Peters.)
+
   \item A new function, \cfunction{PyArg_VaParseTupleAndKeywords()},
   is the same as \cfunction{PyArg_ParseTupleAndKeywords()} but takes a 
   \ctype{va_list} instead of a number of arguments.



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