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Partial progress on NEWS.

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Jeremy Hylton 2003-07-17 17:57:58 +00:00
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Misc/NEWS
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@ -4,8 +4,8 @@ Python News
(editors: check NEWS.help for information about editing NEWS using ReST.) (editors: check NEWS.help for information about editing NEWS using ReST.)
What's New in Python 2.3 release candidate? What's New in Python 2.3 release candidate 1?
=========================================== =============================================
Core and builtins Core and builtins
----------------- -----------------
@ -24,6 +24,25 @@ Core and builtins
is raised now. is raised now.
- Several bugs in the symbol table phase of the compiler have been
fixed. Errors could be lost and compilation could fail without
reporting an error. SF patch #763201.
- The interpreter is now more robust about importing the warnings
module. In an executable generated by freeze or similar programs,
earlier versions of 2.3 would fail if the warnings module could
not be found on the file system. Fixes SF bug #771097.
- A warning about assignments to module attributes that shadow
builtins, present in earlier releases of 2.3, has been removed.
- It is not possible to create subclasses of builtin types like str
and tuple that define an itemsize. Earlier releases of Python 2.3
allowed this by mistake, leading to crashes and other problems.
- The thread_id is now initialized to 0 in a non-thread build. SF bug
#770247.
Extension modules Extension modules
----------------- -----------------
@ -37,9 +56,20 @@ Extension modules
- time.strptime now exclusively uses the Python implementation - time.strptime now exclusively uses the Python implementation
contained within the _strptime module. contained within the _strptime module.
- bsddb3 no longer crashes if an environment is closed before a
cursor. SF bug #763298.
- The print slot of weakref proxy objects was removed, because it was
not consistent with the object's repr slot.
- The mmap module only checks file size for regular files, not
character or block devices. SF patch #708374.
Library Library
------- -------
- distutils now supports MSVC 7.1
- doctest now examines all docstrings by default. Previously, it would - doctest now examines all docstrings by default. Previously, it would
skip over functions with private names (as indicated by the underscore skip over functions with private names (as indicated by the underscore
naming convention). The old default created too much of a risk that naming convention). The old default created too much of a risk that
@ -49,16 +79,17 @@ Library
is easily fixable by specifying the old behavior when calling testmod() is easily fixable by specifying the old behavior when calling testmod()
or Tester(). or Tester().
- Closing a dumbdbm database more than once is now harmless (it used to - There were several fixes to the way dumbdbms are closed. It's vital
raise a nuisance exception on the second close). that a dumbdbm database be closed properly, else the on-disk data
and directory files can be left in mutually inconsistent states.
dumbdbm.py's _Database.__del__() method attempted to close the
database properly, but a shutdown race in _Database._commit() could
prevent this from working, so that a program trusting __del__() to
get the on-disk files in synch could be badly surprised. The race
has been repaired. A sync() method was also added so that shelve
can guarantee data is written to disk.
- It's vital that a dumbdbm database be closed properly, else the The close() method can now be called more than once without complaint.
on-disk data and directory files can be left in mutually inconsistent
states. dumbdbm.py's _Database.__del__() method attempted to close
the database properly, but a shutdown race in _Database._commit()
could prevent this from working, so that a program trusting __del__()
to get the on-disk files in synch could be badly surprised. The race
has been repaired.
- The classes in threading.py are now new-style classes. That they - The classes in threading.py are now new-style classes. That they
weren't before was an oversight. weren't before was an oversight.
@ -69,14 +100,27 @@ Library
- SF bug 763637: fix exception in Tkinter with after_cancel - SF bug 763637: fix exception in Tkinter with after_cancel
which could occur with Tk 8.4 which could occur with Tk 8.4
- SF bug 770601: CGIHTTPServer.py now passes the entire environment
to child processes.
- SF bug 765238: Add filter to fnmatch's __all__.
Tools/Demos Tools/Demos
----------- -----------
- SF bug 753592: webchecker/wsgui now handles user supplied directories. - SF bug 753592: webchecker/wsgui now handles user supplied directories.
- See Lib/idlelib/NEWS.txt for IDLE news.
Build Build
----- -----
- The socket module compiles on IRIX 6.5.10.
- An irix64 system is treated the same way as an irix6 system. SF
patch #764560.
C API C API
----- -----