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The rest of the news for 2.0b2
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80
Misc/NEWS
80
Misc/NEWS
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@ -18,7 +18,6 @@ http://starship.python.net/crew/amk/python/writing/new-python/.
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What's new in 2.0 beta 2 (since beta 1)?
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What's new in 2.0 beta 2 (since beta 1)?
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========================================
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========================================
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Core language, builtins, and interpreter
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Core language, builtins, and interpreter
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- Add support for unbounded ints in %d,i,u,x,X,o formats; for example
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- Add support for unbounded ints in %d,i,u,x,X,o formats; for example
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@ -27,6 +26,19 @@ Core language, builtins, and interpreter
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- Add -h and -V command line options to print the usage message and
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- Add -h and -V command line options to print the usage message and
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Python version number and exit immediately.
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Python version number and exit immediately.
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- eval() and exec accept Unicode objects as code parameters.
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- getattr() and setattr() now also accept Unicode objects for the
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attribute name, which are converted to strings using the default
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encoding before lookup.
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- Multiplication on string and Unicode now does proper bounds
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checking; e.g. 'a' * 65536 * 65536 will raise ValueError, "repeated
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string is too long."
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- Better error message when continue is found in try statement in a
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loop.
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Standard library and extensions
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Standard library and extensions
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@ -69,6 +81,11 @@ Standard library and extensions
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- mailbox: Mailbox class conforms better to qmail specifications.
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- mailbox: Mailbox class conforms better to qmail specifications.
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- marshal: When reading a short, sign-extend on platforms where shorts
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are bigger than 16 bits. When reading a long, repair the unportable
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sign extension that was being done for 64-bit machines. (It assumed
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that signed right shift sign-extends.)
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- operator: Add contains(), invert(), __invert__() as aliases for
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- operator: Add contains(), invert(), __invert__() as aliases for
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__contains__(), inv(), and __inv__() respectively.
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__contains__(), inv(), and __inv__() respectively.
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@ -91,7 +108,7 @@ Standard library and extensions
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- py_compile: support CR+LF line terminators in source file.
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- py_compile: support CR+LF line terminators in source file.
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- readline: Does not immediately exit when ^C is hit when readline and
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- readline: Does not immediately exit when ^C is hit when readline and
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threads are configured. Adds defintion of rl_library_version. (The
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threads are configured. Adds definition of rl_library_version. (The
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latter addition requires GNU readline 2.2 or later.)
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latter addition requires GNU readline 2.2 or later.)
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- rfc822: Domain literals returned by AddrlistClass method
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- rfc822: Domain literals returned by AddrlistClass method
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@ -150,7 +167,7 @@ C API
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PyModule_AddObject(), PyModule_AddIntConstant(), and
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PyModule_AddObject(), PyModule_AddIntConstant(), and
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PyModule_AddStringConstant().
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PyModule_AddStringConstant().
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- Cleaned up definition of NULL in C source code; all defintions were
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- Cleaned up definition of NULL in C source code; all definitions were
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removed and add #error to Python.h if NULL isn't defined after
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removed and add #error to Python.h if NULL isn't defined after
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#include of stdio.h.
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#include of stdio.h.
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@ -166,39 +183,86 @@ C API
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internal data buffer and size of a string object -- or the default
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internal data buffer and size of a string object -- or the default
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encoded version of a Unicode object.
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encoded version of a Unicode object.
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- PyString_Size() and PyString_AsString() accept Unicode objects.
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- The standard header <limits.h> is now included by Python.h (if it
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- The standard header <limits.h> is now included by Python.h (if it
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exists). INT_MAX and LONG_MAX will always be defined, even if
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exists). INT_MAX and LONG_MAX will always be defined, even if
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<limits.h> is not available.
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<limits.h> is not available.
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- PyFloat_FromString takes a second argument, pend, that was
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effectively useless. It is now officially useless but preserved for
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backwards compatibility. If the pend argument is not NULL, *pend is
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set to NULL.
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- PyObject_GetAttr() and PyObject_SetAttr() now accept Unicode objects
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for the attribute name. See note on getattr() above.
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- A few bug fixes to argument processing for Unicode.
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PyArg_ParseTupleAndKeywords() now accepts "es#" and "es".
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PyArg_Parse() special cases "s#" for Unicode objects; it returns a
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pointer to the default encoded string data instead of to the raw
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UTF-16.
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- Py_BuildValue accepts B format (for bgen-generated code).
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Internals
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Internals
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- On Unix, fix code for finding Python installation directory so that
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- On Unix, fix code for finding Python installation directory so that
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it works when argv[0] is a relative path.
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it works when argv[0] is a relative path.
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- Added a true unicode_internal_encode() function and fixed the
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- Added a true tnicode_internal_encode() function and fixed the
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unicode_internal_decode function() to support Unicode objects directly
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unicode_internal_decode function() to support Unicode objects directly
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rather than by generating a copy of the object.
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rather than by generating a copy of the object.
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- Several of the internal Unicode tables are much smaller now, and
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- Several of the internal Unicode tables are much smaller now, and
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the source code should be much friendlier to weaker compilers.
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the source code should be much friendlier to weaker compilers.
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- Fixed GC bug that caused some instances to be removed from the
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container set while they were still live.
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- Fixed refcount problem in instance deallocation that only occurred
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when Py_REF_DEBUG was defined and Py_TRACE_REFS was not.
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- In the garbage collector: No longer sets an object's type slot to
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NULL. Fix bug in collection of tuples.
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- On Windows, getpythonregpath is now protected against null data in
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registry key.
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- On Unix, create .pyc/.pyo files with O_EXCL flag to avoid a race
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condition.
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Build and platform-specific issues
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Build and platform-specific issues
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- Better support of GNU Pth via --with-pth configure option.
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- Better support of GNU Pth via --with-pth configure option.
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- Fix linker problems on Reliant UNIX.
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- Python/C API now properly exposed to dynamically-loaded extension
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modules on Reliant UNIX.
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- Changes for the benefit of SunOS 4.1.4 (really!). mmapmodule.c:
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- Changes for the benefit of SunOS 4.1.4 (really!). mmapmodule.c:
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Don't define MS_SYNC to be zero when it is undefined. Added missing
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Don't define MS_SYNC to be zero when it is undefined. Added missing
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prototypes in posixmodule.c.
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prototypes in posixmodule.c.
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- Improved support for HP-UX build -- threads should now be correctly
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- Improved support for HP-UX build. Threads should now be correctly
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configured (on HP-UX 10.20 and 11.00).
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configured (on HP-UX 10.20 and 11.00).
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- Python/C API now properly exposed to dynamically-loaded extension
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- Fix largefile support on older NetBSD systems and OpenBSD by adding
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modules on Reliant UNIX.
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define for TELL64.
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Tools and other miscellany
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- ftpmirror: Call to main() is wrapped in if __name__ == "__main__".
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- freeze: The modulefinder now works with 2.0 opcodes.
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- IDLE:
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Move hackery of sys.argv until after the Tk instance has been
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created, which allows the application-specific Tkinter
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initialization to be executed if present; also pass an explicit
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className parameter to the Tk() constructor.
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What's new in 2.0 beta 1?
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What's new in 2.0 beta 1?
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