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Added list of what's new in 1.5b1. Changed intro and some section titles.
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Guido van Rossum
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Misc/NEWS
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Misc/NEWS
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What's new in this release?
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===========================
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Below is a list of all relevant changes since the release 1.4, up till
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the release of 1.5a3. At the end is a list of changes made since
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1.5a3 up to the release of 1.5a4.
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Below is a list of all relevant changes since the release 1.4. The
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most recent changes (from 1.5a3 to 1.5a4 and from 1.5a4 to 1.5b1) are
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listed in separate sections at the end.
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A note on attributions: while I have sprinkled some names throughout
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here, I'm grateful to many more people who remain anonymous. You may
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here, I'm grateful to many more people who remain unnamed. You may
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find your name in the ACKS file. If you believe you deserve more
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credit, let me know and I'll add you to the list!
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======================================================================
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From 1.4 to 1.5a3
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=================
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Security
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--------
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@ -973,13 +978,8 @@ binary distribution(s) when these are ready.
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======================================================================
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Fixed after 1.5a3 was released
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------------------------------
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The following changes have been made to the source base after the
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release of 1.5a3. They still need to be sorted. They also need to be
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merged into their respective categories for the final release, but
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it's useful to have them separately during the alpha test cycle.
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From 1.5a3 to 1.5a4
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===================
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- faqwiz.py: version 0.8; Recognize https:// as URL; <html>...</html>
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feature; better install instructions; removed faqmain.py (which was an
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@ -1427,3 +1427,208 @@ it is always "200 OK") rather than swallowing it.
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- Changes to configure.in, the configure script, and both
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Makefile.pre.in files, to support SGI's SGI_ABI platform selection
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environment variable.
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======================================================================
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From 1.5a4 to 1.5b1
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===================
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- The Windows NT/95 installer now includes full HTML of all manuals.
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It also has a checkbox that lets you decide whether to install the
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interpreter and library. The WISE installer script for the installer
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is included in the source tree as PC/python15.wse, and so are the
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icons used for Python files. The config.c file for the Windows build
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is now complete with the pcre module.
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- sys.ps1 and sys.ps2 can now arbitrary objects; their str() is
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evaluated for the prompt.
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- The reference manual is brought up to date (more or less -- it still
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needs work, e.g. in the area of package import).
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- The icons used by latex2html are now included in the Doc
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subdirectory (mostly so that tarring up the HTML files can be fully
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automated). A simple index.html is also added to Doc (it only works
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after you have successfully run latex2html).
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- For all you would-be proselytizers out there: a new version of
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Misc/BLURB describes Python more concisely, and Misc/comparisons
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compares Python to several other languages. Misc/BLURB.WINDOWS
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contains a blurb specifically aimed at Windows programmers (by Mark
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Hammond).
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- A new version of the Python mode for Emacs is included as
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Misc/python-mode.el. There are too many new features to list here.
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See http://www.python.org/ftp/emacs/pmdetails.html for more info.
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- New module fileinput makes iterating over the lines of a list of
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files easier. (This still needs some more thinking to make it more
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extensible.)
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- There's full OS/2 support, courtesy Jeff Rush. To build the OS/2
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version, see PC/readme.txt and PC/os2vacpp. This is for IBM's Visual
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Age C++ compiler. I expect that Jeff will also provide a binary
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release for this platform.
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- On Linux, the configure script now uses '-Xlinker -export-dynamic'
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instead of '-rdynamic' to link the main program so that it exports its
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symbols to shared libraries it loads dynamically. I hope this doesn't
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break on older Linux versions; it is needed for mklinux and appears to
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work on Linux 2.0.30.
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- Some Tkinter resstructuring: the geometry methods that apply to a
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master are now properly usable on toplevel master widgets. There's a
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new (internal) widget class, BaseWidget. New, longer "official" names
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for the geometry manager methods have been added,
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e.g. "grid_columnconfigure()" instead of "columnconfigure()". The old
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shorter names still work, and where there's ambiguity, pack wins over
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place wins over grid. Also, the bind_class method now returns its
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value.
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- New, RFC-822 conformant parsing of email addresses and address lists
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in the rfc822 module, courtesy Ben Escoto.
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- New, revamped tkappinit.c with support for popular packages (PIL,
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TIX, BLT, TOGL). For the last three, you need to execute the Tcl
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command "load {} Tix" (or Blt, or Togl) to gain access to them.
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The Modules/Setup line for the _tkinter module has been rewritten
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using the cool line-breaking feature of most Bourne shells.
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- New socket method connect_ex() returns the error code from connect()
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instead of raising an exception on errors; this makes the logic
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required for asynchronous connects simpler and more efficient.
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- New "locale" module with (still experimental) interface to the
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standard C library locale interface, courtesy Martin von Loewis. This
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does not repeat my mistake in 1.5a4 of always calling
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setlocale(LC_ALL, ""). In fact, we've pretty much decided that
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Python's standard numerical formatting operations should always use
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the conventions for the C locale; the locale module contains utility
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functions to format numbers according to the user specified locale.
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(All this is accomplished by an explicit call to setlocale(LC_NUMERIC,
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"C") after locale-changing calls.) See the library manual. (Alas, the
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promised changes to the "re" module for locale support have not been
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materialized yet. If you care, volunteer!)
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- Memory leak plugged in Py_BuildValue when building a dictionary.
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- Shared modules can now live inside packages (hierarchical module
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namespaces). No changes to the shared module itself are needed.
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- Improved policy for __builtins__: this is a module in __main__ and a
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dictionary everywhere else.
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- Python no longer catches SIGHUP and SIGTERM by default. This was
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impossible to get right in the light of thread contexts. If you want
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your program to clean up when a signal happens, use the signal module
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to set up your own signal handler.
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- New Python/C API PyNumber_CoerceEx() does not return an exception
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when no coercion is possible. This is used to fix a problem where
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comparing incompatible numbers for equality would raise an exception
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rather than return false as in Python 1.4 -- it once again will return
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false.
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- The errno module is changed again -- the table of error messages
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(errorstr) is removed. Instead, you can use os.strerror(). This
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removes redundance and a potential locale dependency.
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- New module xmllib, to parse XML files. By Sjoerd Mullender.
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- New C API PyOS_AfterFork() is called after fork() in posixmodule.c.
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It resets the signal module's notion of what the current process ID
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and thread are, so that signal handlers will work after (and across)
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calls to os.fork().
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- Fixed most occurrences of fatal errors due to missing thread state.
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- For vgrind (a flexible source pretty printer) fans, there's a simple
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Python definition in Misc/vgrindefs, courtesy Neale Pickett.
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- Fixed memory leak in exec statement.
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- The test.pystone module has a new function, pystones(loops=LOOPS),
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which returns a (benchtime, stones) tuple. The main() function now
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calls this and prints the report.
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- Package directories now *require* the presence of an __init__.py (or
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__init__.pyc) file before they are considered as packages. This is
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done to prevent accidental subdirectories with common names from
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overriding modules with the same name.
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- Fixed some strange exceptions in __del__ methods in library modules
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(e.g. urllib). This happens because the builtin names are already
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deleted by the time __del__ is called. The solution (a hack, but it
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works) is to set some instance variables to 0 instead of None.
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- The table of built-in module initializers is replaced by a pointer
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variable. This makes it possible to switch to a different table at
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run time, e.g. when a collection of modules is loaded from a shared
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library. (No example code of how to do this is given, but it is
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possible.) The table is still there of course, its name prefixed with
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an underscore and used to initialize the pointer.
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- The warning about a thread still having a frame now only happens in
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verbose mode.
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- Change the signal finialization so that it also resets the signal
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handlers. After this has been called, our signal handlers are no
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longer active!
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- New version of tokenize.py (by Ka-Ping Yee) recognizes raw string
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literals. There's now also a test fort this module.
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- The copy module now also uses __dict__.update(state) instead of
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going through individual attribute assignments, for class instances
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without a __setstate__ method.
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- New module reconvert translates old-style (regex module) regular
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expressions to new-style (re module, Perl-style) regular expressions.
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- Most modules that used to use the regex module now use the re
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module. The grep module has a new pgrep() function which uses
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Perl-style regular expressions.
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- The (very old, backwards compatibility) regexp.py module has been
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deleted.
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- Restricted execution (rexec): added the pcre module (support for the
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re module) to the list of trusted extension modules.
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- New version of Jim Fulton's CObject object type, adds
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PyCObject_FromVoidPtrAndDesc() and PyCObject_GetDesc() APIs.
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- Some patches to Lee Busby's fpectl mods that accidentally didn't
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make it into 1.5a4.
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- In the string module, add an optional 4th argument to count(),
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matching find() etc.
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- Patch for the nntplib module by Charles Waldman to add optional user
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and password arguments to NNTP.__init__(), for nntp servers that need
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them.
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- The str() function for class objects now returns
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"modulename.classname" instead of returning the same as repr().
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- The parsing of \xXX escapes no longer relies on sscanf().
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- The "sharedmodules" subdirectory of the installation is renamed to
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"lib-dynload". (You may have to edit your Modules/Setup file to fix
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this in an existing installation!)
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- Fixed Don Beaudry's mess-up with the OPT test in the configure
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script. Certain SGI platforms will still issue a warning for each
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compile; there's not much I can do about this since the compiler's
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exit status doesn't indicate that I was using an obsolete option.
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- Fixed Barry's mess-up with {}.get(), and added test cases for it.
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- Shared libraries didn't quite work under AIX because of the change
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in status of the GNU readline interface. Fix due to by Vladimir
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Marangozov.
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======================================================================
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