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Add several news items for changes I made since b1.

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Jeremy Hylton 2003-06-29 17:25:39 +00:00
parent d1b108b953
commit b752c27801
1 changed files with 36 additions and 8 deletions
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44
Misc/NEWS
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@ -37,12 +37,20 @@ Core and builtins
that, but note that fixing these bugs may change visible behavior in that, but note that fixing these bugs may change visible behavior in
code relying (whether intentionally or accidentally) on old behavior. code relying (whether intentionally or accidentally) on old behavior.
- SF bug 734869: Fixed a compiler bug that caused a fatal error when
compiling a list comprehension that contained another list comprehension
embedded in a lambda expression.
- SF bug 705231: builtin pow() no longer lets the platform C pow() - SF bug 705231: builtin pow() no longer lets the platform C pow()
raise -1.0 to integer powers, because (at least) glibc gets it wrong raise -1.0 to integer powers, because (at least) glibc gets it wrong
in some cases. The result should be -1.0 if the power is odd and 1.0 in some cases. The result should be -1.0 if the power is odd and 1.0
if the power is even, and any float with a sufficiently large exponent if the power is even, and any float with a sufficiently large exponent
is (mathematically) an exact even integer. is (mathematically) an exact even integer.
- SF bug 759227: A new-style class that implements __nonzero__() must
return a bool or int (but not an int subclass) from that method. This
matches the restriction on classic classes.
- The encoding attribute has been added for file objects, and set to - The encoding attribute has been added for file objects, and set to
the terminal encoding on Unix and Windows. the terminal encoding on Unix and Windows.
@ -60,12 +68,24 @@ Core and builtins
undefined (in order to allow for optimization of global and builtin undefined (in order to allow for optimization of global and builtin
name lookups). name lookups).
- SF bug 735247: The staticmethod and super types participate in
garbage collection. Before this change, it was possible for leaks to
occur in functions with non-global free variables that used these types.
Extension modules Extension modules
----------------- -----------------
- the socket module has a new exception, socket.timeout, to allow - the socket module has a new exception, socket.timeout, to allow
timeouts to be handled separately from other socket errors. timeouts to be handled separately from other socket errors.
- SF bug 751276: cPickle has fixed to propagate exceptions raised in
user code. In earlier versions, cPickle caught and ignored any
exception when it performed operations that it expected to raise
specific exceptions like AttributeError.
- cPickle Pickler and Unpickler objects now participate in garbage
collection.
- mimetools.choose_boundary() could return duplicate strings at times, - mimetools.choose_boundary() could return duplicate strings at times,
especially likely on Windows. The strings returned are now guaranteed especially likely on Windows. The strings returned are now guaranteed
unique within a single program run. unique within a single program run.
@ -88,6 +108,7 @@ Extension modules
/usr/include/db.h exists and defines HASHVERSION to be 2. This is true /usr/include/db.h exists and defines HASHVERSION to be 2. This is true
for many BSD-derived systems. for many BSD-derived systems.
Library Library
------- -------
@ -106,13 +127,6 @@ Library
in unittest style), without losing unittest's powerful testing in unittest style), without losing unittest's powerful testing
framework features (which doctest lacks). framework features (which doctest lacks).
- ZipFile.testzip() now only traps BadZipfile exceptions. Previously,
a bare except caught to much and reported all errors as a problem
in the archive.
- The logging module now has a new function, makeLogRecord() making
LogHandler easier to interact with DatagramHandler and SocketHandler.
- For compatibility with doctests created before 2.3, if an expected - For compatibility with doctests created before 2.3, if an expected
output block consists solely of "1" and the actual output block output block consists solely of "1" and the actual output block
consists solely of "True", it's accepted as a match; similarly consists solely of "True", it's accepted as a match; similarly
@ -121,6 +135,13 @@ Library
constant DONT_ACCEPT_TRUE_FOR_1 to the new optionflags optional constant DONT_ACCEPT_TRUE_FOR_1 to the new optionflags optional
argument. argument.
- ZipFile.testzip() now only traps BadZipfile exceptions. Previously,
a bare except caught to much and reported all errors as a problem
in the archive.
- The logging module now has a new function, makeLogRecord() making
LogHandler easier to interact with DatagramHandler and SocketHandler.
- The cgitb module has been extended to support plain text display (SF patch - The cgitb module has been extended to support plain text display (SF patch
569574). 569574).
@ -128,10 +149,17 @@ Library
SourceForge) is now included as Lib/idlelib. The old Tools/idle is SourceForge) is now included as Lib/idlelib. The old Tools/idle is
no more. no more.
- Added a new module: trace (documentation missing). This module used
to be distributed in Tools/scripts. It uses sys.settrace() to trace
code execution -- either function calls or individual lines. It can
generate tracing output during execution or a post-mortem report of
code coverage.
- The threading module has new functions settrace() and setprofile() - The threading module has new functions settrace() and setprofile()
that cooperate with the functions of the same name in the sys that cooperate with the functions of the same name in the sys
module. A function registered with the threading module will module. A function registered with the threading module will
be used for all threads it creates. be used for all threads it creates. The new trace module uses this
to provide tracing for code running in threads.
- copy.py: applied SF patch 707900, fixing bug 702858, by Steven - copy.py: applied SF patch 707900, fixing bug 702858, by Steven
Taschuk. Copying a new-style class that had a reference to itself Taschuk. Copying a new-style class that had a reference to itself