Fixed some typos, added some punctuation (e.g. consistently terminate
sentences with a period and put () after function/method names), and filled in the blanks on mailbox and posixfile. Noted <limits.h> change.
This commit is contained in:
Guido van Rossum
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118
Misc/NEWS
118
Misc/NEWS
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@ -18,36 +18,38 @@ 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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========================================
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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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"%d" % 2L**64 == "18446744073709551616"
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"%d" % 2L**64 == "18446744073709551616".
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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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- Add -h and -V flags to print the usage message and Python version
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number and exit immediately.polation.
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Standard library and extensions
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- array: reverse method of array now works. buffer_info now does
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- array: reverse() method of array now works. buffer_info() now does
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argument checking; it still takes no arguments.
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- asyncore/asynchat: included most recent version from Sam Rushing
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- asyncore/asynchat: Included most recent version from Sam Rushing.
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- cgi: accept & or ; as separate characters when parsing form data
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- cgi: Accept '&' or ';' as separator characters when parsing form data.
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- CGIHTTPServer: now works on Windows (and perhaps even Mac).
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- CGIHTTPServer: Now works on Windows (and perhaps even Mac).
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- ConfigParser: When reading the file, options spelled in upper case
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letters are now accessible.
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letters are now correctly converted to lowercase.
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- copy: Copy Unicode objects atomically.
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- cPickle: fails gracefully when copy_reg can't be imported
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- cPickle: Fail gracefully when copy_reg can't be imported.
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- cStringIO: implemented readlines method.
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- cStringIO: Implemented readlines() method.
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- dbm: Add set and setdefault methods to dbm object. Add constant
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library to module that names the library used. Better doc strings
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- dbm: Add set() and setdefault() methods to dbm object. Add constant
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`library' to module that names the library used. Better doc strings
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and argument checking. Uses configure to determine which ndbm.h
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file to include; Berkeley DB's nbdm is now an option.
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@ -61,38 +63,39 @@ Standard library and extensions
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found by the collector will be saved in gc.garbage. This is useful
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for debugging a program that creates reference cycles.
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- httplib: Three changes. Restore support for set_debuglevel feature
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- httplib: Three changes: Restore support for set_debuglevel feature
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of HTTP class. Do not close socket on zero-length response. Do not
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crash when server sends invalid content-length header.
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- mailbox: XXX conformance to maildir specification ???
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- mailbox: Mailbox class conforms better to qmail specifications.
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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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- operator: Add contains(), invert(), __invert__() as aliases for
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__contains__(), inv(), and __inv__() respectively.
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- os: Add support for popen2 and popen3 on all platforms where fork
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exists.
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- os: Add support for popen2() and popen3() on all platforms where
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fork() exists. (popen4() is still in the works.)
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- os: (Windows only) Add startfile function that acts like double-
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- os: (Windows only:) Add startfile() function that acts like double-
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clicking on a file in Explorer (or passing the file name to the
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DOS "start" command).
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- os.path: (Windows, DOS) Treat trailing colon correctly in
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- os.path: (Windows, DOS:) Treat trailing colon correctly in
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os.path.join. os.path.join("a:", "b") yields "a:b".
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- pickle: Now raises ValueError when an invalid pickle that contains
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a non-string repr where a string repr was expected. This behavior
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matches cPickle.
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- posixfile: XXX remove __del__ method ???
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- posixfile: Remove broken __del__() method.
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- py_compile: support \r 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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threads are configured. Adds defintion of rl_library_version.
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threads are configured. Adds defintion of rl_library_version. (The
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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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getdomainliteral are now properly wrapped in brackets.
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getdomainliteral() are now properly wrapped in brackets.
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- site: sys.setdefaultencoding() should only be called in case the
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standard default encoding ("ascii") is changed. This saves quite a
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@ -100,29 +103,29 @@ Standard library and extensions
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setdefaultencoding() will initialize the codec registry and the
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encodings package.
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- socket: Support for size hint in readlines method of object returned
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by makefile.
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- socket: Support for size hint in readlines() method of object returned
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by makefile().
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- sre: Added experimental expand method to match objects. Does not
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- sre: Added experimental expand() method to match objects. Does not
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user buffer interface on Unicode strings. Does not hang if group id
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is followed by whitespace.
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- StringIO: size hint in readlines is now supported as documented.
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- StringIO: size hint in readlines() is now supported as documented.
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- struct: Check ranges for bytes and shorts.
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- urllib: Improved handling of win32 proxy settings. Fixed quote and
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quote_plus functions so that the always encode a comma ','.
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quote_plus functions so that the always encode a comma.
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- Tkinter: Image objects are now guaranteed to have unique ids. Set
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event.delta to zero if Tk version doesn't support mousewheel.
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Removed some debugging prints.
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- UserList: now implements __contains__.
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- UserList: now implements __contains__().
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- webbrower: On Windows, use os.startfile instead of os.popen, which
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works around a bug in certain versions of Norton AntiVirus that
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leads directly to a Blue Screen freeze.
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- webbrower: On Windows, use os.startfile() instead of os.popen(),
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which works around a bug in Norton AntiVirus 2000 that leads directly
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to a Blue Screen freeze.
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- xml: New version detection code allows PyXML to override standard
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XML package if PyXML version is greater than 0.6.1.
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@ -133,6 +136,7 @@ Standard library and extensions
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- XXX pyexpat: XXX
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C API
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- Add three new convenience functions for module initialization --
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@ -143,38 +147,47 @@ C API
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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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- Py_PROTO macros that were removed in 2.0b1 have been restored for
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- Py_PROTO() macros that were removed in 2.0b1 have been restored for
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backwards compatibility (at the source level) with old extensions.
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- XXX PyOS_sighandler_t, PyOS_getsig, PyOS_setsig
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- A wrapper API was added for signal() and sigaction(). Instead of
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either function, always use PyOS_getsig() to get a signal handler
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and PyOS_setsig() to set one. A new convenience typedef
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PyOS_sighandler_t is defined for the type of signal handlers.
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- Add PyString_AsStringAndSize call that provides access to the
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- Add PyString_AsStringAndSize() function that provides access to the
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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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- The standard header <limits.h> is now included by Python.h (if it
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exists).
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Internals
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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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- Added a true unicode_internal_encode function and fixed the
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unicode_internal_decode function to support Unicode objects directly
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- Added a true unicode_internal_encode() function and fixed the
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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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- 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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Build and platform-specific issues
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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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- Fix linker problems on Reliant UNIX.
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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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prototypes in posixmodule.c.
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- Improved support for HP-UX build
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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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What's new in 2.0 beta 1?
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@ -289,7 +302,7 @@ from another list (or lists). The simplest form is:
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[<expression> for <variable> in <sequence>]
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For example, [i**2 for i in range(4)] yields the list [0, 1, 4, 9].
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This is more efficient than map() with a lambda.
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This is more efficient than a for loop with a list.append() call.
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You can also add a condition:
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@ -297,7 +310,7 @@ You can also add a condition:
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For example, [w for w in words if w == w.lower()] would yield the list
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of words that contain no uppercase characters. This is more efficient
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than filter() with a lambda.
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than a for loop with an if statement and a list.append() call.
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You can also have nested for loops and more than one 'if' clause. For
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example, here's a function that flattens a sequence of sequences::
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@ -615,4 +628,25 @@ to ensure that Tcl/Tk can find all its files.
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[This was new in 1.6] The Windows installer now installs by default in
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\Python20\ on the default volume, instead of \Program Files\Python-2.0\.
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Updates to the changes between 1.5.2 and 1.6
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--------------------------------------------
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The 1.6 NEWS file can't be changed after the release is done, so here
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is some late-breaking news:
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New APIs in locale.py: normalize(), getdefaultlocale(), resetlocale(),
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and changes to getlocale() and setlocale().
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The new module is now enabled per default.
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It is not true that the encodings codecs cannot be used for normal
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strings: the string.encode() (which is also present on 8-bit strings
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!) allows using them for 8-bit strings too, e.g. to convert files from
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cp1252 (Windows) to latin-1 or vice-versa.
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Japanese codecs are available from Tamito KAJIYAMA:
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http://pseudo.grad.sccs.chukyo-u.ac.jp/~kajiyama/python/
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======================================================================
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