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author | Andrew M. Kuchling <amk@amk.ca> | 2002-07-22 18:57:36 (GMT) |
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committer | Andrew M. Kuchling <amk@amk.ca> | 2002-07-22 18:57:36 (GMT) |
commit | a982eb1eb5d963cf19a6d4b3042d694032be6438 (patch) | |
tree | b30a4d41c849ff6a45a7334ad8b313fe6ccec88a /Doc/whatsnew | |
parent | 3c305d966d7cef204cdbb52cab37ee11f6fbb2ac (diff) | |
download | cpython-a982eb1eb5d963cf19a6d4b3042d694032be6438.zip cpython-a982eb1eb5d963cf19a6d4b3042d694032be6438.tar.gz cpython-a982eb1eb5d963cf19a6d4b3042d694032be6438.tar.bz2 |
Sort changed modules into alphabetical order; no other changes
Diffstat (limited to 'Doc/whatsnew')
-rw-r--r-- | Doc/whatsnew/whatsnew23.tex | 190 |
1 files changed, 97 insertions, 93 deletions
diff --git a/Doc/whatsnew/whatsnew23.tex b/Doc/whatsnew/whatsnew23.tex index de1be1a..d287790 100644 --- a/Doc/whatsnew/whatsnew23.tex +++ b/Doc/whatsnew/whatsnew23.tex @@ -688,69 +688,45 @@ SourceForge CVS browser.} \section{New and Improved Modules} As usual, Python's standard modules had a number of enhancements and -bug fixes. Here's a partial list; consult the \file{Misc/NEWS} file -in the source tree, or the CVS logs, for a more complete list. +bug fixes. Here's a partial list of the most notable changes, sorted +alphabetically by module name. Consult the +\file{Misc/NEWS} file in the source tree for a more +complete list of changes, or look through the CVS logs for all the +details. \begin{itemize} -\item The new \module{textwrap} module contains functions for wrapping -strings containing paragraphs of text. The \function{wrap(\var{text}, -\var{width})} function takes a string and returns a list containing -the text split into lines of no more than the chosen width. The -\function{fill(\var{text}, \var{width})} function returns a single -string, reformatted to fit into lines no longer than the chosen width. -(As you can guess, \function{fill()} is built on top of -\function{wrap()}. For example: +\item The \module{array} module now supports arrays of Unicode +characters using the \samp{u} format character. Arrays also now +support using the \code{+=} assignment operator to add another array's +contents, and the \code{*=} assignment operator to repeat an array. +(Contributed by Jason Orendorff.) + +\item The Distutils \class{Extension} class now supports +an extra constructor argument named \samp{depends} for listing +additional source files that an extension depends on. This lets +Distutils recompile the module if any of the dependency files are +modified. For example, if \samp{sampmodule.c} includes the header +file \file{sample.h}, you would create the \class{Extension} object like +this: \begin{verbatim} ->>> import textwrap ->>> paragraph = "Not a whit, we defy augury: ... more text ..." ->>> textwrap.wrap(paragraph, 60) -["Not a whit, we defy augury: there's a special providence in", - "the fall of a sparrow. If it be now, 'tis not to come; if it", - ...] ->>> print textwrap.fill(paragraph, 35) -Not a whit, we defy augury: there's -a special providence in the fall of -a sparrow. If it be now, 'tis not -to come; if it be not to come, it -will be now; if it be not now, yet -it will come: the readiness is all. ->>> +ext = Extension("samp", + sources=["sampmodule.c"], + depends=["sample.h"]) \end{verbatim} -The module also contains a \class{TextWrapper} class that actually -implements the text wrapping strategy. Both the -\class{TextWrapper} class and the \function{wrap()} and -\function{fill()} functions support a number of additional keyword -arguments for fine-tuning the formatting; consult the module's -documentation for details. -% XXX add a link to the module docs? -(Contributed by Greg Ward.) - -\item Two new functions in the \module{math} module, -\function{degrees(\var{rads})} and \function{radians(\var{degs})}, -convert between radians and degrees. Other functions in the -\module{math} module such as -\function{math.sin()} and \function{math.cos()} have always required -input values measured in radians. (Contributed by Raymond Hettinger.) - -\item Three new functions, \function{getpgid()}, \function{killpg()}, -and \function{mknod()}, were added to the \module{posix} module that -underlies the \module{os} module. (Contributed by Gustavo Niemeyer -and Geert Jansen.) - -\item The \module{socket} module now supports timeouts. You -can call the \method{settimeout(\var{t})} method on a socket object to -set a timeout of \var{t} seconds. Subsequent socket operations that -take longer than \var{t} seconds to complete will abort and raise a -\exception{socket.error} exception. +Modifying \file{sample.h} would then cause the module to be recompiled. +(Contributed by Jeremy Hylton.) -(The original timeout implementation was by Tim O'Malley. Michael -Gilfix integrated it into the Python \module{socket} module, after the -patch had undergone a lengthy review. After it was checked in, Guido -van~Rossum rewrote parts of it. This is a good example of the free -software development process.) +\item Two new binary packagers were added to the Distutils. +\code{bdist_pkgtool} builds \file{.pkg} files to use with Solaris +\program{pkgtool}, and \code{bdist_sdux} builds \program{swinstall} +packages for use on HP-UX. +An abstract binary packager class, +\module{distutils.command.bdist_packager}, was added; this may make it +easier to write binary packaging commands. (Contributed by Mark +Alexander.) \item The \module{getopt} module gained a new function, \function{gnu_getopt()}, that supports the same arguments as the existing @@ -769,38 +745,6 @@ example: (Contributed by Peter \AA{strand}.) -\item Two new binary packagers were added to the Distutils. -\code{bdist_pkgtool} builds \file{.pkg} files to use with Solaris -\program{pkgtool}, and \code{bdist_sdux} builds \program{swinstall} -packages for use on HP-UX. -An abstract binary packager class, -\module{distutils.command.bdist_packager}, was added; this may make it -easier to write binary packaging commands. (Contributed by Mark -Alexander.) - -\item The Distutils \class{Extension} class now supports -an extra constructor argument named \samp{depends} for listing -additional source files that an extension depends on. This lets -Distutils recompile the module if any of the dependency files are -modified. For example, if \samp{sampmodule.c} includes the header -file \file{sample.h}, you would create the \class{Extension} object like -this: - -\begin{verbatim} -ext = Extension("samp", - sources=["sampmodule.c"], - depends=["sample.h"]) -\end{verbatim} - -Modifying \file{sample.h} would then cause the module to be recompiled. -(Contributed by Jeremy Hylton.) - -\item The \module{array} module now supports arrays of Unicode -characters using the \samp{u} format character. Arrays also now -support using the \code{+=} assignment operator to add another array's -contents, and the \code{*=} assignment operator to repeat an array. -(Contributed by Jason Orendorff.) - \item The \module{grp}, \module{pwd}, and \module{resource} modules now return enhanced tuples: @@ -811,6 +755,25 @@ now return enhanced tuples: ('amk', 500) \end{verbatim} + +\item Two new functions in the \module{math} module, +\function{degrees(\var{rads})} and \function{radians(\var{degs})}, +convert between radians and degrees. Other functions in the +\module{math} module such as +\function{math.sin()} and \function{math.cos()} have always required +input values measured in radians. (Contributed by Raymond Hettinger.) + +\item Three new functions, \function{getpgid()}, \function{killpg()}, +and \function{mknod()}, were added to the \module{posix} module that +underlies the \module{os} module. (Contributed by Gustavo Niemeyer +and Geert Jansen.) + +\item The parser objects provided by the \module{pyexpat} module +can now optionally buffer character data, resulting in fewer calls to +your character data handler and therefore faster performance. Setting +the parser object's \member{buffer_text} attribute to \constant{True} +will enable buffering. + \item The \module{readline} module also gained a number of new functions: \function{get_history_item()}, \function{get_current_history_length()}, and \function{redisplay()}. @@ -821,17 +784,58 @@ to the \module{signal} module by adding the \function{sigpending}, by the platform. These functions make it possible to avoid some previously unavoidable race conditions. +\item The \module{socket} module now supports timeouts. You +can call the \method{settimeout(\var{t})} method on a socket object to +set a timeout of \var{t} seconds. Subsequent socket operations that +take longer than \var{t} seconds to complete will abort and raise a +\exception{socket.error} exception. + +The original timeout implementation was by Tim O'Malley. Michael +Gilfix integrated it into the Python \module{socket} module, after the +patch had undergone a lengthy review. After it was checked in, Guido +van~Rossum rewrote parts of it. This is a good example of the free +software development process in action. + +\item The new \module{textwrap} module contains functions for wrapping +strings containing paragraphs of text. The \function{wrap(\var{text}, +\var{width})} function takes a string and returns a list containing +the text split into lines of no more than the chosen width. The +\function{fill(\var{text}, \var{width})} function returns a single +string, reformatted to fit into lines no longer than the chosen width. +(As you can guess, \function{fill()} is built on top of +\function{wrap()}. For example: + +\begin{verbatim} +>>> import textwrap +>>> paragraph = "Not a whit, we defy augury: ... more text ..." +>>> textwrap.wrap(paragraph, 60) +["Not a whit, we defy augury: there's a special providence in", + "the fall of a sparrow. If it be now, 'tis not to come; if it", + ...] +>>> print textwrap.fill(paragraph, 35) +Not a whit, we defy augury: there's +a special providence in the fall of +a sparrow. If it be now, 'tis not +to come; if it be not to come, it +will be now; if it be not now, yet +it will come: the readiness is all. +>>> +\end{verbatim} + +The module also contains a \class{TextWrapper} class that actually +implements the text wrapping strategy. Both the +\class{TextWrapper} class and the \function{wrap()} and +\function{fill()} functions support a number of additional keyword +arguments for fine-tuning the formatting; consult the module's +documentation for details. +% XXX add a link to the module docs? +(Contributed by Greg Ward.) + \item The DOM implementation in \module{xml.dom.minidom} can now generate XML output in a particular encoding, by specifying an optional encoding argument to the \method{toxml()} and \method{toprettyxml()} methods of DOM nodes. -\item The parser objects provided by the \module{pyexpat} module -can now optionally buffer character data, resulting in fewer calls to -your character data handler and therefore faster performance. Setting -the parser object's \member{buffer_text} attribute to \constant{True} -will enable buffering. - \end{itemize} |