diff options
Diffstat (limited to 'Misc/HISTORY')
| -rw-r--r-- | Misc/HISTORY | 1245 |
1 files changed, 639 insertions, 606 deletions
diff --git a/Misc/HISTORY b/Misc/HISTORY index a9e2910..88cb286 100644 --- a/Misc/HISTORY +++ b/Misc/HISTORY @@ -18,13 +18,13 @@ Core and Builtins - Issue #16046: Fix loading sourceless legacy .pyo files. -- Issue #16060: Fix refcounting bug when __trunc__ returns an object - whose __int__ gives a non-integer. Patch by Serhiy Storchaka. +- Issue #16060: Fix refcounting bug when `__trunc__()` returns an object whose + `__int__()` gives a non-integer. Patch by Serhiy Storchaka. Extension Modules ----------------- -- Issue #16012: Fix a regression in pyexpat. The parser's UseForeignDTD() +- Issue #16012: Fix a regression in pyexpat. The parser's `UseForeignDTD()` method doesn't require an argument again. @@ -36,26 +36,26 @@ What's New in Python 3.3.0 Release Candidate 3? Core and Builtins ----------------- -- Issue #15900: Fix reference leak in PyUnicode_TranslateCharmap(). +- Issue #15900: Fix reference leak in `PyUnicode_TranslateCharmap()`. - Issue #15926: Fix crash after multiple reinitializations of the interpreter. - Issue #15895: Fix FILE pointer leak in one error branch of - PyRun_SimpleFileExFlags() when filename points to a pyc/pyo file, closeit - is false an and set_main_loader() fails. + `PyRun_SimpleFileExFlags()` when filename points to a pyc/pyo file, closeit is + false an and set_main_loader() fails. - Fixes for a few crash and memory leak regressions found by Coverity. Library ------- -- Issue #15882: Change _decimal to accept any coefficient tuple when - constructing infinities. This is done for backwards compatibility - with decimal.py: Infinity coefficients are undefined in _decimal - (in accordance with the specification). +- Issue #15882: Change `_decimal` to accept any coefficient tuple when + constructing infinities. This is done for backwards compatibility with + decimal.py: Infinity coefficients are undefined in _decimal (in accordance + with the specification). -- Issue #15925: Fix a regression in email.util where the parsedate() and - parsedate_tz() functions did not return None anymore when the argument could +- Issue #15925: Fix a regression in `email.util` where the `parsedate()` and + `parsedate_tz()` functions did not return None anymore when the argument could not be parsed. Extension Modules @@ -67,7 +67,7 @@ Extension Modules - Issue #15977: Fix memory leak in Modules/_ssl.c when the function _set_npn_protocols() is called multiple times, thanks to Daniel Sommermann. -- Issue #15969: faulthandler module: rename dump_tracebacks_later() to +- Issue #15969: `faulthandler` module: rename dump_tracebacks_later() to dump_traceback_later() and cancel_dump_tracebacks_later() to cancel_dump_traceback_later(). @@ -83,35 +83,37 @@ Core and Builtins ----------------- - Issue #13992: The trashcan mechanism is now thread-safe. This eliminates - sporadic crashes in multi-thread programs when several long deallocator - chains ran concurrently and involved subclasses of built-in container - types. + sporadic crashes in multi-thread programs when several long deallocator chains + ran concurrently and involved subclasses of built-in container types. -- Issue #15784: Modify OSError.__str__() to better distinguish between - errno error numbers and Windows error numbers. +- Issue #15784: Modify `OSError`.__str__() to better distinguish between errno + error numbers and Windows error numbers. - Issue #15781: Fix two small race conditions in import's module locking. Library ------- -- Issue #15847: Fix a regression in argparse, which did not accept tuples - as argument lists anymore. +- Issue #17158: Add 'symbols' to help() welcome message; clarify + 'modules spam' messages. + +- Issue #15847: Fix a regression in argparse, which did not accept tuples as + argument lists anymore. -- Issue #15828: Restore support for C extensions in imp.load_module(). +- Issue #15828: Restore support for C extensions in `imp.load_module()`. -- Issue #15340: Fix importing the random module when /dev/urandom cannot - be opened. This was a regression caused by the hash randomization patch. +- Issue #15340: Fix importing the random module when ``/dev/urandom`` cannot be + opened. This was a regression caused by the hash randomization patch. -- Issue #10650: Deprecate the watchexp parameter of the Decimal.quantize() +- Issue #10650: Deprecate the watchexp parameter of the `Decimal.quantize()` method. -- Issue #15785: Modify window.get_wch() API of the curses module: return - a character for most keys, and an integer for special keys, instead of - always returning an integer. So it is now possible to distinguish special - keys like keypad keys. +- Issue #15785: Modify `window.get_wch()` API of the curses module: return a + character for most keys, and an integer for special keys, instead of always + returning an integer. So it is now possible to distinguish special keys like + keypad keys. -- Issue #14223: Fix window.addch() of the curses module for special characters +- Issue #14223: Fix `window.addch()` of the curses module for special characters like curses.ACS_HLINE: the Python function addch(int) and addch(bytes) is now calling the C function waddch()/mvwaddch() (as it was done in Python 3.2), instead of wadd_wch()/mvwadd_wch(). The Python function addch(str) is still @@ -127,10 +129,10 @@ Build Documentation ------------- -- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted - the hashing of multi-dimensional memorviews and memoryviews with multi-byte - item formats. The intended restrictions have now been documented - they - will be correctly enforced in 3.3.1 +- Issue #15814: The memoryview enhancements in 3.3.0 accidentally permitted the + hashing of multi-dimensional memorviews and memoryviews with multi-byte item + formats. The intended restrictions have now been documented - they will be + correctly enforced in 3.3.1. What's New in Python 3.3.0 Release Candidate 1? @@ -144,131 +146,123 @@ Core and Builtins - Issue #15573: memoryview comparisons are now performed by value with full support for any valid struct module format definition. -- Issue #15316: When an item in the fromlist for __import__ doesn't exist, +- Issue #15316: When an item in the fromlist for `__import__()` doesn't exist, don't raise an error, but if an exception is raised as part of an import do let that propagate. -- Issue #15778: ensure that str(ImportError(msg)) returns a str - even when msg isn't a str. +- Issue #15778: Ensure that ``str(ImportError(msg))`` returns a str even when + msg isn't a str. -- Issue #2051: Source file permission bits are once again correctly - copied to the cached bytecode file. (The migration to importlib - reintroduced this problem because these was no regression test. A test - has been added as part of this patch) +- Issue #2051: Source file permission bits are once again correctly copied to + the cached bytecode file. (The migration to importlib reintroduced this + problem because these was no regression test. A test has been added as part of + this patch) -- Issue #15761: Fix crash when PYTHONEXECUTABLE is set on Mac OS X. +- Issue #15761: Fix crash when ``PYTHONEXECUTABLE`` is set on Mac OS X. -- Issue #15726: Fix incorrect bounds checking in PyState_FindModule. - Patch by Robin Schreiber. +- Issue #15726: Fix incorrect bounds checking in PyState_FindModule. Patch by + Robin Schreiber. -- Issue #15604: Update uses of PyObject_IsTrue() to check for and handle +- Issue #15604: Update uses of `PyObject_IsTrue()` to check for and handle errors correctly. Patch by Serhiy Storchaka. -- Issue #14846: importlib.FileFinder now handles the case where the - directory being searched is removed after a previous import attempt +- Issue #14846: `importlib.FileFinder` now handles the case where the directory + being searched is removed after a previous import attempt. Library ------- -- Issue #13370: Ensure that ctypes works on Mac OS X when Python is - compiled using the clang compiler +- Issue #13370: Ensure that ctypes works on Mac OS X when Python is compiled + using the clang compiler. -- Issue #13072: The array module's 'u' format code is now deprecated and - will be removed in Python 4.0. +- Issue #13072: The array module's 'u' format code is now deprecated and will be + removed in Python 4.0. - Issue #15544: Fix Decimal.__float__ to work with payload-carrying NaNs. -- Issue #15249: BytesGenerator now correctly mangles From lines (when +- Issue #15776: Allow pyvenv to work in existing directory with --clean. + +- Issue #15249: email's BytesGenerator now correctly mangles From lines (when requested) even if the body contains undecodable bytes. - Issue #15777: Fix a refleak in _posixsubprocess. -- Issue ##665194: Update email.utils.localtime to use datetime.astimezone and +- Issue #665194: Update `email.utils.localtime` to use datetime.astimezone and correctly handle historic changes in UTC offsets. - Issue #15199: Fix JavaScript's default MIME type to application/javascript. Patch by Bohuslav Kabrda. -- Issue #12643: code.InteractiveConsole now respects sys.excepthook when - displaying exceptions (Patch by Aaron Iles) - -- Issue #13579: string.Formatter now understands the 'a' conversion specifier. +- Issue #12643: `code.InteractiveConsole` now respects `sys.excepthook` when + displaying exceptions. Patch by Aaron Iles. -- Issue #15793: Stack corruption in ssl.RAND_egd(). - Patch by Serhiy Storchaka. +- Issue #13579: `string.Formatter` now understands the 'a' conversion specifier. -- Issue #15595: Fix subprocess.Popen(universal_newlines=True) - for certain locales (utf-16 and utf-32 family). Patch by Chris Jerdonek. +- Issue #15595: Fix ``subprocess.Popen(universal_newlines=True)`` for certain + locales (utf-16 and utf-32 family). Patch by Chris Jerdonek. - Issue #15477: In cmath and math modules, add workaround for platforms whose system-supplied log1p function doesn't respect signs of zeros. -- Issue #15715: importlib.__import__() will silence an ImportError when the use - of fromlist leads to a failed import. +- Issue #15715: `importlib.__import__()` will silence an ImportError when the + use of fromlist leads to a failed import. -- Issue #14669: Fix pickling of connections and sockets on MacOSX - by sending/receiving an acknowledgment after file descriptor transfer. - TestPicklingConnection has been reenabled for MacOSX. +- Issue #14669: Fix pickling of connections and sockets on Mac OS X by + sending/receiving an acknowledgment after file descriptor transfer. + TestPicklingConnection has been reenabled for Mac OS X. - Issue #11062: Fix adding a message from file to Babyl mailbox. -- Issue #15646: Prevent equivalent of a fork bomb when using - multiprocessing on Windows without the "if __name__ == '__main__'" - idiom. +- Issue #15646: Prevent equivalent of a fork bomb when using `multiprocessing` + on Windows without the ``if __name__ == '__main__'`` idiom. -- Issue #15678: Fix IDLE menus when started from OS X command line - (3.3.0b2 regression). - -C API ------ - -Extension Modules ------------------ +IDLE +---- -Tools/Demos ------------ +- Issue #15678: Fix IDLE menus when started from OS X command line (3.3.0b2 + regression). Documentation ------------- -- Issue #14674: Add a discussion of the json module's standard compliance. +- Touched up the Python 2 to 3 porting guide. + +- Issue #14674: Add a discussion of the `json` module's standard compliance. Patch by Chris Rebert. - Create a 'Concurrent Execution' section in the docs, and split up the 'Optional Operating System Services' section to use a more user-centric - classification scheme (splitting them across the new CE section, IPC and - text processing). Operating system limitatons can be reflected with - the Sphinx ``:platform:`` tag, it doesn't make sense as part of the Table of - Contents. + classification scheme (splitting them across the new CE section, IPC and text + processing). Operating system limitations can be reflected with the Sphinx + ``:platform:`` tag, it doesn't make sense as part of the Table of Contents. -- Issue #4966: Bring the sequence docs up to date for the Py3k transition - and the many language enhancements since they were original written +- Issue #4966: Bring the sequence docs up to date for the Py3k transition and + the many language enhancements since they were original written. - The "path importer" misnomer has been replaced with Eric Snow's - more-awkward-but-at-least-not-wrong suggestion of "path based finder" in - the import system reference docs + more-awkward-but-at-least-not-wrong suggestion of "path based finder" in the + import system reference docs. -- Issue #15640: Document importlib.abc.Finder as deprecated. +- Issue #15640: Document `importlib.abc.Finder` as deprecated. -- Issue #15630: Add an example for "continue" stmt in the tutorial. Patch by +- Issue #15630: Add an example for "continue" stmt in the tutorial. Patch by Daniel Ellis. Tests ----- - Issue #15747: ZFS always returns EOPNOTSUPP when attempting to set the - UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected - tests in test_posix.py to account for this. + UF_IMMUTABLE flag (via either chflags or lchflags); refactor affected tests in + test_posix.py to account for this. -- Issue #15285: Refactor the approach for testing connect timeouts using - two external hosts that have been configured specifically for this type - of test. +- Issue #15285: Refactor the approach for testing connect timeouts using two + external hosts that have been configured specifically for this type of test. -- Issue #15743: Remove the deprecated method usage in urllib tests. Patch by +- Issue #15743: Remove the deprecated method usage in `urllib` tests. Patch by Jeff Knupp. -- Issue #15615: Add some tests for the json module's handling of invalid - input data. Patch by Kushal Das. +- Issue #15615: Add some tests for the `json` module's handling of invalid input + data. Patch by Kushal Das. Build ----- @@ -277,11 +271,11 @@ Build - Pick up 32-bit launcher from PGO directory on 64-bit PGO build. -- Drop PC\python_nt.h as it's not used. Add input dependency on custom +- Drop ``PC\python_nt.h`` as it's not used. Add input dependency on custom build step. -- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal - amd64 configuration. +- Issue #15511: Drop explicit dependency on pythonxy.lib from _decimal amd64 + configuration. - Add missing PGI/PGO configurations for pywlauncher. @@ -296,15 +290,15 @@ What's New in Python 3.3.0 Beta 2? Core and Builtins ----------------- -- Issue #15568: Fix the return value of "yield from" when StopIteration is +- Issue #15568: Fix the return value of ``yield from`` when StopIteration is raised by a custom iterator. -- Issue #13119: sys.stdout and sys.stderr are now using "\r\n" newline on +- Issue #13119: `sys.stdout` and `sys.stderr` are now using "\r\n" newline on Windows, as Python 2. - Issue #15534: Fix the fast-search function for non-ASCII Unicode strings. -- Issue #15508: Fix the docstring for __import__ to have the proper default +- Issue #15508: Fix the docstring for `__import__()` to have the proper default value of 0 for 'level' and to not mention negative levels since they are not supported. @@ -317,17 +311,17 @@ Core and Builtins byte code files) equal between 32-bit and 64-bit systems. - Issue #1692335: Move initial exception args assignment to - "BaseException.__new__" to help pickling of naive subclasses. + `BaseException.__new__()` to help pickling of naive subclasses. -- Issue #12834: Fix PyBuffer_ToContiguous() for non-contiguous arrays. +- Issue #12834: Fix `PyBuffer_ToContiguous()` for non-contiguous arrays. -- Issue #15456: Fix code __sizeof__ after #12399 change. Patch by Serhiy +- Issue #15456: Fix code `__sizeof__()` after #12399 change. Patch by Serhiy Storchaka. - Issue #15404: Refleak in PyMethodObject repr. -- Issue #15394: An issue in PyModule_Create that caused references to be leaked - on some error paths has been fixed. Patch by Julia Lawall. +- Issue #15394: An issue in `PyModule_Create()` that caused references to be + leaked on some error paths has been fixed. Patch by Julia Lawall. - Issue #15368: An issue that caused bytecode generation to be non-deterministic has been fixed. @@ -335,7 +329,7 @@ Core and Builtins - Issue #15202: Consistently use the name "follow_symlinks" for new parameters in os and shutil functions. -- Issue #15314: __main__.__loader__ is now set correctly during interpreter +- Issue #15314: ``__main__.__loader__`` is now set correctly during interpreter startup. - Issue #15111: When a module imported using 'from import' has an ImportError @@ -350,57 +344,62 @@ Core and Builtins - Issue #15110: Fix the tracebacks generated by "import xxx" to not show the importlib stack frames. +- Issue #16369: Global PyTypeObjects not initialized with PyType_Ready(...). + - Issue #15020: The program name used to search for Python's path is now "python3" under Unix, not "python". -- Issue #15033: Fix the exit status bug when modules invoked using -m swith, +- Issue #15897: zipimport.c doesn't check return value of fseek(). + Patch by Felipe Cruz. + +- Issue #15033: Fix the exit status bug when modules invoked using -m switch, return the proper failure return value (1). Patch contributed by Jeff Knupp. -- Issue #15229: An OSError subclass whose __init__ doesn't call back +- Issue #15229: An `OSError` subclass whose __init__ doesn't call back OSError.__init__ could produce incomplete instances, leading to crashes when calling str() on them. -- Issue 15307: Virtual environments now use symlinks with framework builds on +- Issue #15307: Virtual environments now use symlinks with framework builds on Mac OS X, like other POSIX builds. Library ------- -- Issue #15424: Add a __sizeof__ implementation for array objects. Patch by +- Issue #14590: configparser now correctly strips inline comments when delimiter + occurs earlier without preceding space. + +- Issue #15424: Add a `__sizeof__()` implementation for array objects. Patch by Ludwig Hähne. - Issue #15576: Allow extension modules to act as a package's __init__ module. -- Issue #15502: Have importlib.invalidate_caches() work on sys.meta_path instead - of sys.path_importer_cache. +- Issue #15502: Have `importlib.invalidate_caches()` work on `sys.meta_path` + instead of `sys.path_importer_cache`. - Issue #15163: Pydoc shouldn't list __loader__ as module data. - Issue #15471: Do not use mutable objects as defaults for - importlib.__import__(). + `importlib.__import__()`. - Issue #15559: To avoid a problematic failure mode when passed to the bytes - constructor, objects in the ipaddress module no longer implement __index__ - (they still implement __int__ as appropriate) + constructor, objects in the ipaddress module no longer implement `__index__()` + (they still implement `__int__()` as appropriate). - Issue #15546: Fix handling of pathological input data in the peek() and read1() methods of the BZ2File, GzipFile and LZMAFile classes. -- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog - ended with '\'. Patch by Roger Serwy. - -- Issue #12655: Instead of requiring a custom type, os.sched_getaffinity and - os.sched_setaffinity now use regular sets of integers to represent the CPUs a - process is restricted to. +- Issue #12655: Instead of requiring a custom type, `os.sched_getaffinity()` and + `os.sched_setaffinity()` now use regular sets of integers to represent the + CPUs a process is restricted to. -- Issue #15538: Fix compilation of the getnameinfo() / getaddrinfo() emulation - code. Patch by Philipp Hagemeister. +- Issue #15538: Fix compilation of the `socket.getnameinfo()` / + `socket.getaddrinfo()` emulation code. Patch by Philipp Hagemeister. - Issue #15519: Properly expose WindowsRegistryFinder in importlib (and use the - correct term for it). Original patch by Eric Snow. + correct term for it). Original patch by Eric Snow. - Issue #15502: Bring the importlib ABCs into line with the current state of the - import protocols given PEP 420. Original patch by Eric Snow. + import protocols given PEP 420. Original patch by Eric Snow. - Issue #15499: Launching a webbrowser in Unix used to sleep for a few seconds. Original patch by Anton Barkovsky. @@ -408,37 +407,36 @@ Library - Issue #15463: The faulthandler module truncates strings to 500 characters, instead of 100, to be able to display long file paths. -- Issue #6056: Make multiprocessing use setblocking(True) on the sockets it +- Issue #6056: Make `multiprocessing` use setblocking(True) on the sockets it uses. Original patch by J Derek Wilson. - Issue #15364: Fix sysconfig.get_config_var('srcdir') to be an absolute path. -- Issue #15041: Update "see also" list in tkinter documentation. - -- Issue #15413: os.times() had disappeared under Windows. +- Issue #15413: `os.times()` had disappeared under Windows. -- Issue #15402: An issue in the struct module that caused sys.getsizeof to +- Issue #15402: An issue in the struct module that caused `sys.getsizeof()` to return incorrect results for struct.Struct instances has been fixed. Initial patch by Serhiy Storchaka. -- Issue #15232: When mangle_from is True, email.Generator now correctly mangles - lines that start with 'From ' that occur in a MIME preamble or epilogue. +- Issue #15232: When mangle_from is True, `email.Generator` now correctly + mangles lines that start with 'From ' that occur in a MIME preamble or + epilogue. - Issue #15094: Incorrectly placed #endif in _tkinter.c. Patch by Serhiy Storchaka. -- Issue #13922: argparse no longer incorrectly strips '--'s that appear after +- Issue #13922: `argparse` no longer incorrectly strips '--'s that appear after the first one. -- Issue #12353: argparse now correctly handles null argument values. +- Issue #12353: `argparse` now correctly handles null argument values. - Issue #10017, issue #14998: Fix TypeError using pprint on dictionaries with user-defined types as keys or other unorderable keys. -- Issue #15397: inspect.getmodulename() is now based directly on importlib via a - new importlib.machinery.all_suffixes() API. +- Issue #15397: `inspect.getmodulename()` is now based directly on importlib via + a new `importlib.machinery.all_suffixes()` API. -- Issue #14635: telnetlib will use poll() rather than select() when possible to +- Issue #14635: `telnetlib` will use poll() rather than select() when possible to avoid failing due to the select() file descriptor limit. - Issue #15180: Clarify posixpath.join() error message when mixing str & bytes. @@ -455,7 +453,7 @@ Library - Issue #15233: Python now guarantees that callables registered with the atexit module will be called in a deterministic order. -- Issue #15238: shutil.copystat now copies Linux "extended attributes". +- Issue #15238: `shutil.copystat()` now copies Linux "extended attributes". - Issue #15230: runpy.run_path now correctly sets __package__ as described in the documentation. @@ -465,42 +463,42 @@ Library - Issue #15294: Fix a regression in pkgutil.extend_path()'s handling of nested namespace packages. -- Issue #15056: imp.cache_from_source() and source_from_cache() raise - NotImplementedError when sys.implementation.cache_tag is set to None. +- Issue #15056: `imp.cache_from_source()` and `imp.source_from_cache()` raise + NotImplementedError when `sys.implementation.cache_tag` is set to None. -- Issue #15256: Grammatical mistake in exception raised by imp.find_module(). +- Issue #15256: Grammatical mistake in exception raised by `imp.find_module()`. -- Issue #5931: wsgiref environ variable SERVER_SOFTWARE will specify an +- Issue #5931: `wsgiref` environ variable SERVER_SOFTWARE will specify an implementation specific term like CPython, Jython instead of generic "Python". - Issue #13248: Remove obsolete argument "max_buffer_size" of BufferedWriter and BufferedRWPair, from the io module. -- Issue #13248: Remove obsolete argument "version" of argparse.ArgumentParser. +- Issue #13248: Remove obsolete argument "version" of `argparse.ArgumentParser`. - Issue #14814: Implement more consistent ordering and sorting behaviour for ipaddress objects. -- Issue #14814: ipaddress network objects correctly return NotImplemented when +- Issue #14814: `ipaddress` network objects correctly return NotImplemented when compared to arbitrary objects instead of raising TypeError. - Issue #14990: Correctly fail with SyntaxError on invalid encoding declaration. -- Issue #14814: ipaddress now provides more informative error messages when +- Issue #14814: `ipaddress` now provides more informative error messages when constructing instances directly (changes permitted during beta due to provisional API status). -- Issue #15247: FileIO now raises an error when given a file descriptor pointing - to a directory. +- Issue #15247: `io.FileIO` now raises an error when given a file descriptor + pointing to a directory. - Issue #15261: Stop os.stat(fd) crashing on Windows when fd not open. -- Issue #15166: Implement imp.get_tag() using sys.implementation.cache_tag. +- Issue #15166: Implement `imp.get_tag()` using `sys.implementation.cache_tag`. -- Issue #15210: Catch KeyError when importlib.__init__ can't find +- Issue #15210: Catch KeyError when `importlib.__init__()` can't find _frozen_importlib in sys.modules, not ImportError. -- Issue #15030: importlib.abc.PyPycLoader now supports the new source size +- Issue #15030: `importlib.abc.PyPycLoader` now supports the new source size header field in .pyc files. - Issue #5346: Preserve permissions of mbox, MMDF and Babyl mailbox files on @@ -513,7 +511,7 @@ Library renamed over the old file when flush() is called on an mbox, MMDF or Babyl mailbox. -- Issue 10924: Fixed crypt.mksalt() to use a RNG that is suitable for +- Issue #10924: Fixed `crypt.mksalt()` to use a RNG that is suitable for cryptographic purpose. - Issue #15184: Ensure consistent results of OS X configuration tailoring for @@ -524,10 +522,10 @@ Library C API ----- -- Issue #15610: PyImport_ImportModuleEx() now uses a 'level' of 0 instead of -1. +- Issue #15610: `PyImport_ImportModuleEx()` now uses a 'level' of 0 instead of -1. -- Issues #15169, #14599: Strip out the C implementation of - imp.source_from_cache() used by PyImport_ExecCodeModuleWithPathnames() and +- Issue #15169, issue #14599: Strip out the C implementation of + `imp.source_from_cache()` used by PyImport_ExecCodeModuleWithPathnames() and used the Python code instead. Leads to PyImport_ExecCodeModuleObject() to not try to infer the source path from the bytecode path as PyImport_ExecCodeModuleWithPathnames() does. @@ -535,14 +533,17 @@ C API Extension Modules ----------------- -- Issue #15676: Now "mmap" check for empty files before doing the - offset check. Patch by Steven Willis. - -- Issue #6493: An issue in ctypes on Windows that caused structure bitfields - of type ctypes.c_uint32 and width 32 to incorrectly be set has been fixed. +- Issue #6493: An issue in ctypes on Windows that caused structure bitfields of + type `ctypes.c_uint32` and width 32 to incorrectly be set has been fixed. - Issue #15194: Update libffi to the 3.0.11 release. +IDLE +---- + +- Issue #13052: Fix IDLE crashing when replace string in Search/Replace dialog + ended with ``\``. Patch by Roger Serwy. + Tools/Demos ----------- @@ -562,8 +563,10 @@ Tools/Demos Documentation ------------- -- Issue #15444: Use proper spelling for non-ASCII contributor names. Patch - by Serhiy Storchaka. +- Issue #15041: Update "see also" list in tkinter documentation. + +- Issue #15444: Use proper spelling for non-ASCII contributor names. Patch by + Serhiy Storchaka. - Issue #15295: Reorganize and rewrite the documentation on the import system. @@ -578,25 +581,29 @@ Documentation "changed" since they will no longer work with modules directly imported by import itself. -- Issue #13557: Clarify effect of giving two different namespaces to exec or - execfile(). +- Issue #13557: Clarify effect of giving two different namespaces to `exec()` or + `execfile()`. -- Issue #15250: Document that filecmp.dircmp compares files shallowly. Patch +- Issue #15250: Document that `filecmp.dircmp()` compares files shallowly. Patch contributed by Chris Jerdonek. +- Issue #15442: Expose the default list of directories ignored by + `filecmp.dircmp()` as a module attribute, and expand the list to more modern + values. + Tests ----- -- Issue #15467: Move helpers for __sizeof__ tests into test_support. Patch by - Serhiy Storchaka. +- Issue #15467: Move helpers for `__sizeof__()` tests into test_support. Patch + by Serhiy Storchaka. - Issue #15320: Make iterating the list of tests thread-safe when running tests in multiprocess mode. Patch by Chris Jerdonek. -- Issue #15168: Move importlib.test to test.test_importlib. +- Issue #15168: Move `importlib.test` to `test.test_importlib`. - Issue #15091: Reactivate a test on UNIX which was failing thanks to a - forgotten importlib.invalidate_caches() call. + forgotten `importlib.invalidate_caches()` call. - Issue #15230: Adopted a more systematic approach in the runpy tests. @@ -629,6 +636,8 @@ Build - Issue #14018: Fix OS X Tcl/Tk framework checking when using OS X SDKs. +- Issue #16256: OS X installer now sets correct permissions for doc directory. + - Issue #15431: Add _freeze_importlib project to regenerate importlib.h on Windows. Patch by Kristján Valur Jónsson. @@ -664,14 +673,9 @@ Core and Builtins - Issue #11626: Add _SizeT functions to stable ABI. -- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber. - - Issue #15142: Fix reference leak when deallocating instances of types created using PyType_FromSpec(). -- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version - guard for Py_LIMITED_API additions. Patch by Robin Schreiber. - - Issue #10053: Don't close FDs when FileIO.__init__ fails. Loosely based on the work by Hirokazu Yamamoto. @@ -699,9 +703,6 @@ Core and Builtins Library ------- -- Issue #9803: Don't close IDLE on saving if breakpoint is open. - Patch by Roger Serwy. - - Issue #12288: Consider '0' and '0.0' as valid initialvalue for tkinter SimpleDialog. @@ -720,14 +721,8 @@ Library - Issue #15514: Correct __sizeof__ support for cpu_set. Patch by Serhiy Storchaka. -- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving - behind. - - Issue #15177: Added dir_fd parameter to os.fwalk(). -- Issue #15176: Clarified behavior, documentation, and implementation - of os.listdir(). - - Issue #15061: Re-implemented hmac.compare_digest() in C to prevent further timing analysis and to support all buffer protocol aware objects as well as ASCII only str instances safely. @@ -787,7 +782,7 @@ Library - Issue #15008: Implement PEP 362 "Signature Objects". Patch by Yury Selivanov. -- Issue: #15138: base64.urlsafe_{en,de}code() are now 3-4x faster. +- Issue #15138: base64.urlsafe_{en,de}code() are now 3-4x faster. - Issue #444582: Add shutil.which, for finding programs on the system path. Original patch by Erik Demaine, with later iterations by Jan Killian @@ -827,10 +822,6 @@ Library - Issue #15006: Allow equality comparison between naive and aware time or datetime objects. -- Issue #14982: Document that pkgutil's iteration functions require the - non-standard iter_modules() method to be defined by an importer (something - the importlib importers do not define). - - Issue #15036: Mailbox no longer throws an error if a flush is done between operations when removing or changing multiple items in mbox, MMDF, or Babyl mailboxes. @@ -898,9 +889,6 @@ Library - Issue #14969: Better handling of exception chaining in contextlib.ExitStack -- Issue #14962: Update text coloring in IDLE shell window after changing - options. Patch by Roger Serwy. - - Issue #14963: Convert contextlib.ExitStack.__exit__ to use an iterative algorithm (Patch by Alon Horev) @@ -913,6 +901,11 @@ Library C-API ----- +- Issue #15146: Add PyType_FromSpecWithBases. Patch by Robin Schreiber. + +- Issue #15042: Add PyState_AddModule and PyState_RemoveModule. Add version + guard for Py_LIMITED_API additions. Patch by Robin Schreiber. + - Issue #13783: Inadvertent additions to the public C API in the PEP 380 implementation have either been removed or marked as private interfaces. @@ -921,9 +914,25 @@ Extension Modules - Issue #15000: Support the "unique" x32 architecture in _posixsubprocess.c. +IDLE +---- + +- Issue #9803: Don't close IDLE on saving if breakpoint is open. + Patch by Roger Serwy. + +- Issue #14962: Update text coloring in IDLE shell window after changing + options. Patch by Roger Serwy. + Documentation ------------- +- Issue #15176: Clarified behavior, documentation, and implementation + of os.listdir(). + +- Issue #14982: Document that pkgutil's iteration functions require the + non-standard iter_modules() method to be defined by an importer (something + the importlib importers do not define). + - Issue #15081: Document PyState_FindModule. Patch by Robin Schreiber. @@ -932,6 +941,9 @@ Documentation Tests ----- +- Issue #15187: Bugfix: remove temporary directories test_shutil was leaving + behind. + - Issue #14769: test_capi now has SkipitemTest, which cleverly checks for "parity" between PyArg_ParseTuple() and the Python/getargs.c static function skipitem() for all possible "format units". @@ -1020,34 +1032,18 @@ Core and Builtins - Issue #14700: Fix two broken and undefined-behaviour-inducing overflow checks in old-style string formatting. -- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format - unit, which accepts a "boolean predicate" argument. It converts any Python - value into an integer--0 if it is "false", and 1 otherwise. - Library ------- - Issue #14690: Use monotonic clock instead of system clock in the sched, subprocess and trace modules. -- Issue #14958: Change IDLE systax highlighting to recognize all string and - byte literals supported in Python 3.3. - -- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu. - - Issue #14443: Tell rpmbuild to use the correct version of Python in bdist_rpm. Initial patch by Ross Lagerwall. -- Issue #14929: Stop Idle 3.x from closing on Unicode decode errors when - grepping. Patch by Roger Serwy. - - Issue #12515: email now registers a defect if it gets to EOF while parsing a MIME part without seeing the closing MIME boundary. -- Issue #12510: Attempting to get invalid tooltip no longer closes Idle. - Other tooltipss have been corrected or improved and the number of tests - has been tripled. Original patch by Roger Serwy. - - Issue #1672568: email now always decodes base64 payloads, adding padding and ignoring non-base64-alphabet characters if needed, and registering defects for any such problems. @@ -1081,9 +1077,6 @@ Library - Issue #14548: Make multiprocessing finalizers check pid before running to cope with possibility of gc running just after fork. -- Issue #14863: Update the documentation of os.fdopen() to reflect the - fact that it's only a thin wrapper around open() anymore. - - Issue #14036: Add an additional check to validate that port in urlparse does not go in illegal range and returns None. @@ -1102,7 +1095,7 @@ Library functions to support PEP 3115 compliant dynamic class creation. Patch by Daniel Urban and Nick Coghlan. -- Issue #13152: Allow to specify a custom tabsize for expanding tabs in +- Issue #13152: Allow specifying a custom tabsize for expanding tabs in textwrap. Patch by John Feuerstein. - Issue #14721: Send the correct 'Content-length: 0' header when the body is an @@ -1138,7 +1131,7 @@ Library and http.client. Patch by EungJun Yi. - Issue #14777: tkinter may return undecoded UTF-8 bytes as a string when - accessing the Tk clipboard. Modify clipboad_get() to first request type + accessing the Tk clipboard. Modify clipboard_get() to first request type UTF8_STRING when no specific type is requested in an X11 windowing environment, falling back to the current default type STRING if that fails. Original patch by Thomas Kluyver. @@ -1210,6 +1203,21 @@ Library - Issue #14127 and #10148: shutil.copystat now preserves exact mtime and atime on filesystems providing nanosecond resolution. +IDLE +---- + +- Issue #14958: Change IDLE systax highlighting to recognize all string and + byte literals supported in Python 3.3. + +- Issue #10997: Prevent a duplicate entry in IDLE's "Recent Files" menu. + +- Issue #14929: Stop IDLE 3.x from closing on Unicode decode errors when + grepping. Patch by Roger Serwy. + +- Issue #12510: Attempting to get invalid tooltip no longer closes IDLE. + Other tooltipss have been corrected or improved and the number of tests + has been tripled. Original patch by Roger Serwy. + Tools/Demos ----------- @@ -1228,9 +1236,19 @@ Build - Issue #13210: Windows build now uses VS2010, ported from VS2008. +C-API +----- + +- Issue #14705: The PyArg_Parse() family of functions now support the 'p' format + unit, which accepts a "boolean predicate" argument. It converts any Python + value into an integer--0 if it is "false", and 1 otherwise. + Documentation ------------- +- Issue #14863: Update the documentation of os.fdopen() to reflect the + fact that it's only a thin wrapper around open() anymore. + - Issue #14588: The language reference now accurately documents the Python 3 class definition process. Patch by Nick Coghlan. @@ -1279,9 +1297,6 @@ Core and Builtins - Issue #14339: Speed improvements to bin, oct and hex functions. Patch by Serhiy Storchaka. -- Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo. - Patch by Stefan Behnel. - - Issue #14385: It is now possible to use a custom type for the __builtins__ namespace, instead of a dict. It can be used for sandboxing for example. Raise also a NameError instead of ImportError if __build_class__ name if not @@ -1324,7 +1339,7 @@ Core and Builtins Library ------- -- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'. +- Issue #14768: os.path.expanduser('~/a') doesn't work correctly when HOME is '/'. - Issue #14371: Support bzip2 in zipfile module. Patch by Serhiy Storchaka. @@ -1431,12 +1446,6 @@ Library - Don't Py_DECREF NULL variable in io.IncrementalNewlineDecoder. -- Issue #8515: Set __file__ when run file in IDLE. - Initial patch by Bruce Frederiksen. - -- Issue #14496: Fix wrong name in idlelib/tabbedpages.py. - Patch by Popa Claudiu. - - Issue #3033: Add displayof parameter to tkinter font. Patch by Guilherme Polo. - Issue #14482: Raise a ValueError, not a NameError, when trying to create @@ -1472,6 +1481,15 @@ Tests - Issue #14355: Regrtest now supports the standard unittest test loading, and will use it if a test file contains no `test_main` method. +IDLE +---- + +- Issue #8515: Set __file__ when run file in IDLE. + Initial patch by Bruce Frederiksen. + +- Issue #14496: Fix wrong name in idlelib/tabbedpages.py. + Patch by Popa Claudiu. + Tools / Demos ------------- @@ -1481,6 +1499,12 @@ Tools / Demos - Issue #13165: stringbench is now available in the Tools/stringbench folder. It used to live in its own SVN project. +C-API +----- + +- Issue #14098: New functions PyErr_GetExcInfo and PyErr_SetExcInfo. + Patch by Stefan Behnel. + What's New in Python 3.3.0 Alpha 2? =================================== @@ -1532,16 +1556,9 @@ Library - Issue #5136: deprecate old, unused functions from tkinter. -- Issue #14409: IDLE now properly executes commands in the Shell window - when it cannot read the normal config files on startup and - has to use the built-in default key bindings. - There was previously a bug in one of the defaults. - - Issue #14416: syslog now defines the LOG_ODELAY and LOG_AUTHPRIV constants if they are defined in <syslog.h>. -- IDLE can be launched as python -m idlelib - - Issue #14295: Add unittest.mock - Issue #7652: Add --with-system-libmpdec option to configure for linking @@ -1567,9 +1584,6 @@ Library up the decimal module. Performance gains of the new C implementation are between 10x and 100x, depending on the application. -- Issue #3573: IDLE hangs when passing invalid command line args - (directory(ies) instead of file(s)) (Patch by Guilherme Polo) - - Issue #14269: SMTPD now conforms to the RFC and requires a HELO command before MAIL, RCPT, or DATA. @@ -1601,8 +1615,6 @@ Library denial of service due to hash collisions. Patch by David Malcolm with some modifications by the expat project. -- Issue #14200: Idle shell crash on printing non-BMP unicode character. - - Issue #12818: format address no longer needlessly \ escapes ()s in names when the name ends up being quoted. @@ -1618,8 +1630,6 @@ Library - Issue #989712: Support using Tk without a mainloop. -- Issue #5219: Prevent event handler cascade in IDLE. - - Issue #3835: Refuse to use unthreaded Tcl in threaded Python. - Issue #2843: Add new Tk API to Tkinter. @@ -1824,7 +1834,7 @@ Core and Builtins objects. Initial patch by Matthias Troffaes. - Fix OSError.__init__ and OSError.__new__ so that each of them can be - overriden and take additional arguments (followup to issue #12555). + overridden and take additional arguments (followup to issue #12555). - Fix the fix for issue #12149: it was incorrect, although it had the side effect of appearing to resolve the issue. Thanks to Mark Shannon for @@ -1848,10 +1858,6 @@ Core and Builtins on POSIX systems supporting anonymous memory mappings. Patch by Charles-François Natali. -- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers - different than "strict" anymore. The caller was unable to compute the - size of the output buffer: it depends on the error handler. - - PEP 3155 / issue #13448: Qualified name for classes and functions. - Issue #13436: Fix a bogus error message when an AST object was passed @@ -1942,10 +1948,6 @@ Core and Builtins - PEP 3151 / issue #12555: reworking the OS and IO exception hierarchy. -- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() - and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to - the current locale encoding. - - Add internal API for static strings (_Py_identifier et al.). - Issue #13063: the Windows error ERROR_NO_DATA (numbered 232 and described @@ -2028,7 +2030,7 @@ Core and Builtins deallocator calls one of the methods on the type (e.g. when subclassing IOBase). Diagnosis and patch by Davide Rizzo. -- Issue #9611, #9015: FileIO.read() clamps the length to INT_MAX on Windows. +- Issue #9611, Issue #9015: FileIO.read() clamps the length to INT_MAX on Windows. - Issue #9642: Uniformize the tests on the availability of the mbcs codec, add a new HAVE_MBCS define. @@ -2051,7 +2053,7 @@ Core and Builtins given, produce an informative error message which includes the name(s) of the missing arguments. -- Issue #12370: Fix super with no arguments when __class__ is overriden in the +- Issue #12370: Fix super with no arguments when __class__ is overridden in the class body. - Issue #12084: os.stat on Windows now works properly with relative symbolic @@ -2191,17 +2193,11 @@ Core and Builtins PyUnicode_AsUTF8String() and PyUnicode_AsEncodedString(unicode, "utf-8", NULL). -- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats. - - Issue #10829: Refactor PyUnicode_FromFormat(), use the same function to parse the format string in the 3 steps, fix crashs on invalid format strings. - Issue #13007: whichdb should recognize gdbm 1.9 magic numbers. -- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from - UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode). - Patch written by Ray Allen. - - Issue #11286: Raise a ValueError from calling PyMemoryView_FromBuffer with a buffer struct having a NULL data pointer. @@ -2211,9 +2207,6 @@ Core and Builtins - Issue #11828: startswith and endswith now accept None as slice index. Patch by Torsten Becker. -- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on - narrow build. - - Issue #11168: Remove filename debug variable from PyEval_EvalFrameEx(). It encoded the Unicode filename to UTF-8, but the encoding fails on undecodable filename (on surrogate characters) which raises an unexpected @@ -2241,10 +2234,10 @@ Library fixed. - Issue #14166: Pickler objects now have an optional ``dispatch_table`` - attribute which allows to set custom per-pickler reduction functions. + attribute which allows setting custom per-pickler reduction functions. Patch by sbt. -- Issue #14177: marshal.loads() now raises TypeError when given an unicode +- Issue #14177: marshal.loads() now raises TypeError when given a unicode string. Patch by Guilherme Gonçalves. - Issue #13550: Remove the debug machinery from the threading module: remove @@ -2255,15 +2248,9 @@ Library are dead or dying. Moreover, the implementation is now O(1) rather than O(n). -- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode. - Patch by Mikhail Novikov. - - Issue #11841: Fix comparison bug with 'rc' versions in packaging.version. Patch by Filip Gruszczyński. -- Issue #13447: Add a test file to host regression tests for bugs in the - scripts found in the Tools directory. - - Issue #6884: Fix long-standing bugs with MANIFEST.in parsing in distutils on Windows. Also fixed in packaging. @@ -2319,9 +2306,6 @@ Library authenticating (since the result may change, according to RFC 4643). Patch by Hynek Schlawack. -- Issue #13989: Document that GzipFile does not support text mode, and give a - more helpful error message when opened with an invalid mode string. - - Issue #13590: On OS X 10.7 and 10.6 with Xcode 4.2, building Distutils-based packages with C extension modules may fail because Apple has removed gcc-4.2, the version used to build python.org @@ -2338,10 +2322,6 @@ Library - Issue #13960: HTMLParser is now able to handle broken comments when strict=False. -- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode, - which is obsolete in Python 3.x. It's now aliased to str for - backwards compatibility. - - When '' is a path (e.g. in sys.path), make sure __file__ uses the current working directory instead of '' in importlib. @@ -2363,11 +2343,6 @@ Library - Issue #10811: Fix recursive usage of cursors. Instead of crashing, raise a ProgrammingError now. -- Issue #10881: Fix test_site failure with OS X framework builds. - -- Issue #964437: Make IDLE help window non-modal. - Patch by Guilherme Polo and Roger Serwy. - - Issue #13734: Add os.fwalk(), a directory walking function yielding file descriptors. @@ -2377,16 +2352,8 @@ Library - Issue #11805: package_data in setup.cfg should allow more than one value. -- Issue #13933: IDLE auto-complete did not work with some imported - module, like hashlib. (Patch by Roger Serwy) - -- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared. - - Issue #13676: Handle strings with embedded zeros correctly in sqlite3. -- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell. - Original patches by Marco Scataglini and Roger Serwy. - - Issue #8828: Add new function os.replace(), for cross-platform renaming with overwriting. @@ -2407,12 +2374,6 @@ Library OSError if localtime() failed. time.clock() now raises a RuntimeError if the processor time used is not available or its value cannot be represented -- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time - minor versions not matching. - -- Issue #12804: Fix test_socket and test_urllib2net failures when running tests - on a system without internet access. - - Issue #13772: In os.symlink() under Windows, do not try to guess the link target's type (file or directory). The detection was buggy and made the call non-atomic (therefore prone to race conditions). @@ -2439,9 +2400,6 @@ Library - Issue #13642: Unquote before b64encoding user:password during Basic Authentication. Patch contributed by Joonas Kuorilehto. -- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow - tests. - - Issue #12364: Fix a hang in concurrent.futures.ProcessPoolExecutor. The hang would occur when retrieving the result of a scheduled future after the executor had been shut down. @@ -2524,15 +2482,11 @@ Library - Issue #13591: A bug in importlib has been fixed that caused import_module to load a module twice. -- Issue #4625: If IDLE cannot write to its recent file or breakpoint files, - display a message popup and continue rather than crash. Original patch by - Roger Serwy. - -- Issue #13449 sched.scheduler.run() method has a new "blocking" parameter which +- Issue #13449: sched.scheduler.run() method has a new "blocking" parameter which when set to False makes run() execute the scheduled events due to expire soonest (if any) and then return. Patch by Giampaolo Rodolà. -- Issue #8684 sched.scheduler class can be safely used in multi-threaded +- Issue #8684: sched.scheduler class can be safely used in multi-threaded environments. Patch by Josiah Carlson and Giampaolo Rodolà. - Alias resource.error to OSError ala PEP 3151. @@ -2544,12 +2498,9 @@ Library 'importlib.abc.PyPycLoader', 'nntplib.NNTP.xgtitle', 'nntplib.NNTP.xpath', and private attributes of 'smtpd.SMTPChannel'. -- Issue #5905, #13560: time.strftime() is now using the current locale +- Issue #5905, Issue #13560: time.strftime() is now using the current locale encoding, instead of UTF-8, if the wcsftime() function is not available. -- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..". - Patch by Tal Einat. - - Issue #13464: Add a readinto() method to http.client.HTTPResponse. Patch by Jon Kuhn. @@ -2661,9 +2612,6 @@ Library - Issue #10817: Fix urlretrieve function to raise ContentTooShortError even when reporthook is None. Patch by Jyrki Pulliainen. -- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart. - (Patch by Roger Serwy) - - Fix the xmlrpc.client user agent to return something similar to urllib.request user agent: "Python-xmlrpc/3.3". @@ -2766,10 +2714,6 @@ Library - Issue #13034: When decoding some SSL certificates, the subjectAltName extension could be unreported. -- Issue #9871: Prevent IDLE 3 crash when given byte stings - with invalid hex escape sequences, like b'\x0'. - (Original patch by Claudiu Popa.) - - Issue #12306: Expose the runtime version of the zlib C library as a constant, ZLIB_RUNTIME_VERSION, in the zlib module. Patch by Torsten Landschoff. @@ -2798,8 +2742,6 @@ Library - Issue #12878: Expose a __dict__ attribute on io.IOBase and its subclasses. -- Issue #12636: IDLE reads the coding cookie when executing a Python script. - - Issue #12494: On error, call(), check_call(), check_output() and getstatusoutput() functions of the subprocess module now kill the process, read its status (to avoid zombis) and close pipes. @@ -2869,9 +2811,6 @@ Library - Issue #10087: Fix the html output format of the calendar module. -- Issue #12540: Prevent zombie IDLE processes on Windows due to changes - in os.kill(). - - Issue #13121: add support for inplace math operators to collections.Counter. - Add support for unary plus and unary minus to collections.Counter. @@ -2903,7 +2842,7 @@ Library Condition, etc.) used to be factory functions returning instances of hidden classes (_Event, _Condition, etc.), because (if Guido recalls correctly) this code pre-dates the ability to subclass extension types. It is now possible - to inherit from these classes without having to import the private + to inherit from these classes, without having to import the private underscored names like multiprocessing did. - Issue #9723: Add shlex.quote functions, to escape filenames and command @@ -2917,14 +2856,8 @@ Library - Issue #12607: In subprocess, fix issue where if stdin, stdout or stderr is given as a low fd, it gets overwritten. -- Issue #12590: IDLE editor window now always displays the first line - when opening a long file. With Tk 8.5, the first line was hidden. - - Issue #12576: Fix urlopen behavior on sites which do not send (or obfuscates) - Connection:close header. - -- Issue #12102: Document that buffered files must be flushed before being used - with mmap. Patch by Steffen Daode Nurpmeso. + ``Connection: close`` header. - Issue #12560: Build libpython.so on OpenBSD. Patch by Stefan Sperling. @@ -3179,7 +3112,7 @@ Library - Issue #12175: FileIO.readall() now raises a ValueError instead of an IOError if the file is closed. -- Issue #11109: New service_action method for BaseServer, used by ForkingMixIn +- Issue #11109: New service_action method for BaseServer, used by ForkingMixin class for cleanup. Initial Patch by Justin Warkentin. - Issue #12045: Avoid duplicate execution of command in @@ -3224,9 +3157,6 @@ Library passing a ``context`` argument pointing to an ssl.SSLContext instance. Patch by Kasun Herath. -- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX - with Tk 8.5. - - Issue #9516: Issue #9516: avoid errors in sysconfig when MACOSX_DEPLOYMENT_TARGET is set in shell. @@ -3246,10 +3176,6 @@ Library - Issue #9971: Write an optimized implementation of BufferedReader.readinto(). Patch by John O'Connor. -- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError. - With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused - IDLE to exit. Converted to valid Unicode null in PythonCmd(). - - Issue #11799: urllib.request Authentication Handlers will raise a ValueError when presented with an unsupported Authentication Scheme. Patch contributed by Yuval Greenfield. @@ -3259,7 +3185,7 @@ Library binary mode, but ensure that the shebang is decodable from UTF-8 and from the encoding of the script. -- Issue #8498: In socket.accept(), allow to specify 0 as a backlog value in +- Issue #8498: In socket.accept(), allow specifying 0 as a backlog value in order to accept exactly one connection. Patch by Daniel Evers. - Issue #12011: signal.signal() and signal.siginterrupt() raise an OSError, @@ -3486,12 +3412,12 @@ Library - Issue #7639: Fix short file name generation in bdist_msi -- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459. - Patch by Ben Hayden. - - Issue #11635: Don't use polling in worker threads and processes launched by concurrent.futures. +- Issue #5845: Automatically read readline configuration to enable completion + in interactive mode. + - Issue #6811: Allow importlib to change a code object's co_filename attribute to match the path to where the source code currently is, not where the code object originally came from. @@ -3526,7 +3452,7 @@ Library - Issue #11127: Raise a TypeError when trying to pickle a socket object. -- Issue #11563: Connection:close header is sent by requests using URLOpener +- Issue #11563: ``Connection: close`` header is sent by requests using URLOpener class which helps in closing of sockets after connection is over. Patch contributions by Jeff McNeil and Nadeem Vawda. @@ -3541,8 +3467,6 @@ Library - Issue #10979: unittest stdout buffering now works with class and module setup and teardown. -- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage - - Issue #11243: fix the parameter querying methods of Message to work if the headers contain un-encoded non-ASCII data. @@ -3575,9 +3499,6 @@ Library - Issue #11554: Fixed support for Japanese codecs; previously the body output encoding was not done if euc-jp or shift-jis was specified as the charset. -- Issue #11509: Significantly increase test coverage of fileinput. - Patch by Denver Coneybeare at PyCon 2011 Sprints. - - Issue #11407: `TestCase.run` returns the result object used or created. Contributed by Janathan Hartley. @@ -3700,11 +3621,6 @@ Library - Issue #9348: Raise an early error if argparse nargs and metavar don't match. -- Issue #8982: Improve the documentation for the argparse Namespace object. - -- Issue #9343: Document that argparse parent parsers must be configured before - their children. - - Issue #9026: Fix order of argparse sub-commands in help messages. - Issue #9347: Fix formatting for tuples in argparse type= error messages. @@ -3757,10 +3673,61 @@ Build - Issue #11495: OSF support is eliminated. It was deprecated in Python 3.2. - IDLE ---- +- Issue #14409: IDLE now properly executes commands in the Shell window + when it cannot read the normal config files on startup and + has to use the built-in default key bindings. + There was previously a bug in one of the defaults. + +- IDLE can be launched as python -m idlelib + +- Issue #3573: IDLE hangs when passing invalid command line args + (directory(ies) instead of file(s)) (Patch by Guilherme Polo) + +- Issue #14200: IDLE shell crash on printing non-BMP unicode character. + +- Issue #5219: Prevent event handler cascade in IDLE. + +- Issue #964437: Make IDLE help window non-modal. + Patch by Guilherme Polo and Roger Serwy. + +- Issue #13933: IDLE auto-complete did not work with some imported + module, like hashlib. (Patch by Roger Serwy) + +- Issue #13506: Add '' to path for IDLE Shell when started and restarted with Restart Shell. + Original patches by Marco Scataglini and Roger Serwy. + +- Issue #4625: If IDLE cannot write to its recent file or breakpoint files, + display a message popup and continue rather than crash. Original patch by + Roger Serwy. + +- Issue #8641: Update IDLE 3 syntax coloring to recognize b".." and not u"..". + Patch by Tal Einat. + +- Issue #13296: Fix IDLE to clear compile __future__ flags on shell restart. + (Patch by Roger Serwy) + +- Issue #9871: Prevent IDLE 3 crash when given byte stings + with invalid hex escape sequences, like b'\x0'. + (Original patch by Claudiu Popa.) + +- Issue #12636: IDLE reads the coding cookie when executing a Python script. + +- Issue #12540: Prevent zombie IDLE processes on Windows due to changes + in os.kill(). + +- Issue #12590: IDLE editor window now always displays the first line + when opening a long file. With Tk 8.5, the first line was hidden. + +- Issue #11088: don't crash when using F5 to run a script in IDLE on MacOSX + with Tk 8.5. + +- Issue #1028: Tk returns invalid Unicode null in %A: UnicodeDecodeError. + With Tk < 8.5 _tkinter.c:PythonCmd() raised UnicodeDecodeError, caused + IDLE to exit. Converted to valid Unicode null in PythonCmd(). + - Issue #11718: IDLE's open module dialog couldn't find the __init__.py file in a package. @@ -3790,6 +3757,10 @@ Tools/Demos Extension Modules ----------------- +- Issue #16847: Fixed improper use of _PyUnicode_CheckConsistency() in + non-pydebug builds. Several extension modules now compile cleanly when + assert()s are enabled in standard builds (-DDEBUG flag). + - Issue #13840: The error message produced by ctypes.create_string_buffer when given a Unicode string has been fixed. @@ -3852,6 +3823,33 @@ Extension Modules Tests ----- +- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode. + Patch by Mikhail Novikov. + +- Issue #13447: Add a test file to host regression tests for bugs in the + scripts found in the Tools directory. + +- Issue #10881: Fix test_site failure with OS X framework builds. + +- Issue #13901: Prevent test_distutils failures on OS X with --enable-shared. + +- Issue #13862: Fix spurious failure in test_zlib due to runtime/compile time + minor versions not matching. + +- Issue #12804: Fix test_socket and test_urllib2net failures when running tests + on a system without internet access. + +- Issue #13726: Fix the ambiguous -S flag in regrtest. It is -o/--slow for slow + tests. + +- Issue #11659: Fix ResourceWarning in test_subprocess introduced by #11459. + Patch by Ben Hayden. + +- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage + +- Issue #11509: Significantly increase test coverage of fileinput. + Patch by Denver Coneybeare at PyCon 2011 Sprints. + - Issue #11689: Fix a variable scoping error in an sqlite3 test - Issue #13786: Remove unimplemented 'trace' long option from regrtest.py. @@ -3887,7 +3885,7 @@ Tests - Issue #12331: The test suite for lib2to3 can now run from an installed Python. -- Issue #12626: In regrtest, allow to filter tests using a glob filter +- Issue #12626: In regrtest, allow filtering tests using a glob filter with the ``-m`` (or ``--match``) option. This works with all test cases using the unittest module. This is useful with long test suites such as test_io or test_subprocess. @@ -4030,7 +4028,7 @@ Tests - Issue #11505: improves test coverage of string.py. Patch by Alicia Arlen -- Issue #11490: test_subprocess:test_leaking_fds_on_error no longer gives a +- Issue #11490: test_subprocess.test_leaking_fds_on_error no longer gives a false positive if the last directory in the path is inaccessible. - Issue #11223: Fix test_threadsignals to fail, not hang, when the @@ -4054,6 +4052,23 @@ Tests C-API ----- +- Issue #13452: PyUnicode_EncodeDecimal() doesn't support error handlers + different than "strict" anymore. The caller was unable to compute the + size of the output buffer: it depends on the error handler. + +- Issue #13560: Add PyUnicode_DecodeLocale(), PyUnicode_DecodeLocaleAndSize() + and PyUnicode_EncodeLocale() functions to the C API to decode/encode from/to + the current locale encoding. + +- Issue #10831: PyUnicode_FromFormat() supports %li, %lli and %zi formats. + +- Issue #11246: Fix PyUnicode_FromFormat("%V") to decode the byte string from + UTF-8 (with replace error handler) instead of ISO-8859-1 (in strict mode). + Patch written by Ray Allen. + +- Issue #10830: Fix PyUnicode_FromFormatV("%c") for non-BMP characters on + narrow build. + - Add PyObject_GenericGetDict and PyObject_GeneriSetDict. They are generic implementations for the getter and setter of a ``__dict__`` descriptor of C types. @@ -4079,6 +4094,24 @@ C-API Documentation ------------- +- Issue #13989: Document that GzipFile does not support text mode, and give a + more helpful error message when opened with an invalid mode string. + +- Issue #13921: Undocument and clean up sqlite3.OptimizedUnicode, + which is obsolete in Python 3.x. It's now aliased to str for + backwards compatibility. + +- Issue #12102: Document that buffered files must be flushed before being used + with mmap. Patch by Steffen Daode Nurpmeso. + +- Issue #8982: Improve the documentation for the argparse Namespace object. + +- Issue #9343: Document that argparse parent parsers must be configured before + their children. + +- Issue #13498: Clarify docs of os.makedirs()'s exist_ok argument. Done with + great native-speaker help from R. David Murray. + - Issues #13491 and #13995: Fix many errors in sqlite3 documentation. Initial patch for #13491 by Johannes Vogel. @@ -4188,7 +4221,7 @@ What's New in Python 3.2 Release Candidate 2? Core and Builtins ----------------- -- Issue #10451: memoryview objects could allow to mutate a readable buffer. +- Issue #10451: memoryview objects could allow mutating a readable buffer. Initial patch by Ross Lagerwall. Library @@ -4732,7 +4765,7 @@ Library - Add the "display" and "undisplay" pdb commands. -- Issue #7245: Add a SIGINT handler in pdb that allows to break a program again +- Issue #7245: Add a SIGINT handler in pdb that allows breaking a program again after a "continue" command. - Add the "interact" pdb command. @@ -5660,7 +5693,7 @@ Library for reading). - hashlib has two new constant attributes: algorithms_guaranteed and - algorithms_avaiable that respectively list the names of hash algorithms + algorithms_available that respectively list the names of hash algorithms guaranteed to exist in all Python implementations and the names of hash algorithms available in the current process. @@ -6600,7 +6633,7 @@ C-API PyErr_Format, on machines with HAVE_LONG_LONG defined. - Issue #6151: Made PyDescr_COMMON conform to standard C (like PyObject_HEAD in - PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be should used for + PEP 3123). The PyDescr_TYPE and PyDescr_NAME macros should be used for accessing the d_type and d_name members of structures using PyDescr_COMMON. - Issue #6405: Remove duplicate type declarations in descrobject.h. @@ -6883,7 +6916,7 @@ Library correct encoding. - Issue #4870: Add an `options` attribute to SSL contexts, as well as several - ``OP_*`` constants to the `ssl` module. This allows to selectively disable + ``OP_*`` constants to the `ssl` module. This allows selectively disabling protocol versions, when used in combination with `PROTOCOL_SSLv23`. - Issue #8759: Fixed user paths in sysconfig for posix and os2 schemes. @@ -7187,7 +7220,7 @@ Library cElementTree module is updated too. - Issue #7774: Set sys.executable to an empty string if argv[0] has been set to - an non existent program name and Python is unable to retrieve the real program + a non existent program name and Python is unable to retrieve the real program name. - Issue #7880: Fix sysconfig when the python executable is a symbolic link. @@ -7240,7 +7273,7 @@ Library messages parsed by email.Parser.HeaderParser. - Issue #7361: Importlib was not properly checking the number of bytes in - bytecode file when it was less then 8 bytes. + bytecode file when it was less than 8 bytes. - Issue #7633: In the decimal module, Context class methods (with the exception of canonical and is_canonical) now accept instances of int and long wherever a @@ -7311,7 +7344,7 @@ Library - Issue #2846: Add support for gzip.GzipFile reading zero-padded files. Patch by Brian Curtin. -- Issue #7681: Use floor division in appropiate places in the wave module. +- Issue #7681: Use floor division in appropriate places in the wave module. - Issue #5372: Drop the reuse of .o files in Distutils' ccompiler (since Extension extra options may change the output without changing the .c @@ -7676,7 +7709,7 @@ Extension Modules - Issue #7900: The getgroups(2) system call on MacOSX behaves rather oddly compared to other unix systems. In particular, os.getgroups() does not reflect - any changes made using os.setgroups() but basicly always returns the same + any changes made using os.setgroups() but basically always returns the same information as the id command. os.getgroups() can now return more than 16 groups on MacOSX. @@ -7695,7 +7728,7 @@ Extension Modules - Issue #1578269: Implement os.symlink for Windows 6.0+. Patch by Jason R. Coombs. -- In struct.pack, correctly propogate exceptions from computing the truth of an +- In struct.pack, correctly propagate exceptions from computing the truth of an object in the '?' format. - Issue #9000: datetime.timezone objects now have eval-friendly repr. @@ -8182,7 +8215,7 @@ Build added LIBS to OS X framework builds. - Issue #5809: Specifying both --enable-framework and --enable-shared is - an error. Configure now explicity tells you about this. + an error. Configure now explicitly tells you about this. @@ -8271,7 +8304,7 @@ Library - Issue #1664: Make nntplib IPv6-capable. Patch by Derek Morr. - Issue #5006: Better handling of unicode byte-order marks (BOM) in the io - library. This means, for example, that opening an UTF-16 text file in + library. This means, for example, that opening a UTF-16 text file in append mode doesn't add a BOM at the end of the file if the file isn't empty. @@ -8983,7 +9016,7 @@ Library - Issue #5976: Fixed Distutils test_check_environ. - Issue #5941: Distutils build_clib command was not working anymore because - of an incomplete costumization of the archiver command. Added ARFLAGS in the + of an incomplete customization of the archiver command. Added ARFLAGS in the Makefile besides AR and make Distutils use it. Original patch by David Cournapeau. @@ -9176,7 +9209,7 @@ Library been backported to help facilitate transitions from 2.7 to 3.1. - Issue #1885: distutils. When running sdist with --formats=tar,gztar - the tar file was overriden by the gztar one. + the tar file was overridden by the gztar one. - Issue #4863: distutils.mwerkscompiler has been removed. @@ -9295,7 +9328,7 @@ Library - Issue #4756: zipfile.is_zipfile() now supports file-like objects. Patch by Gabriel Genellina. -- Issue #4574: reading an UTF16-encoded text file crashes if \r on 64-char +- Issue #4574: reading a UTF16-encoded text file crashes if \r on 64-char boundary. - Issue #4223: inspect.getsource() will now correctly display source code @@ -9464,8 +9497,8 @@ Extension Modules - Issue #4051: Prevent conflict of UNICODE macros in cPickle. -- Issue #4738: Each zlib object now has a separate lock, allowing to compress - or decompress several streams at once on multi-CPU systems. Also, the GIL +- Issue #4738: Each zlib object now has a separate lock, allowing several streams + to be compressed or decompressed at once on multi-CPU systems. Also, the GIL is now released when computing the CRC of a large buffer. Patch by ebfe. - Issue #4228: Pack negative values the same way as 2.4 in struct's L format. @@ -9652,7 +9685,7 @@ Core and Builtins - Issue #1210: Fixed imaplib and its documentation. -- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()`` +- Issue #4233: Changed semantic of ``_fileio.FileIO``'s ``close()`` method on file objects with closefd=False. The file descriptor is still kept open but the file object behaves like a closed file. The ``FileIO`` object also got a new readonly attribute ``closefd``. @@ -9789,20 +9822,20 @@ Core and Builtins the recursion limit checking code, due to bogus handling of recursion limit when USE_STACKCHEK was enabled. -- Issue 3639: The _warnings module could segfault the interpreter when +- Issue #3639: The _warnings module could segfault the interpreter when unexpected types were passed in as arguments. - Issue #3712: The memoryview object had a reference leak and didn't support cyclic garbage collection. - Issue #3668: Fix a memory leak with the "s*" argument parser in - PyArg_ParseTuple and friends, which occurred when the argument for "s*" + PyArg_ParseTuple and friends, which occurred when the argument for "s*" was correctly parsed but parsing of subsequent arguments failed. - Issue #3611: An exception __context__ could be cleared in a complex pattern involving a __del__ method re-raising an exception. -- Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to +- Issue #2534: speed up isinstance() and issubclass() by 50-70%, so as to match Python 2.5 speed despite the __instancecheck__ / __subclasscheck__ mechanism. In the process, fix a bug where isinstance() and issubclass(), when given a tuple of classes as second argument, were looking up @@ -9868,19 +9901,19 @@ Library It is now maintained outside of the standard library at http://www.jcea.es/programacion/pybsddb.htm. -- Issue 600362: Relocated parse_qs() and parse_qsl(), from the cgi module +- Issue #600362: Relocated parse_qs() and parse_qsl(), from the cgi module to the urlparse one. Added a DeprecationWarning in the old module, it will be deprecated in the future. - Issue #3719: platform.architecture() fails if there are spaces in the path to the Python binary. -- Issue 3602: As part of the merge of r66135, make the parameters on +- Issue #3602: As part of the merge of r66135, make the parameters on warnings.catch_warnings() keyword-only. Also remove a DeprecationWarning. - The deprecation warnings for the camelCase threading API names were removed. -- Issue #3110: multiprocessing fails to compiel on solaris 10 due to missing +- Issue #3110: multiprocessing fails to compiel on solaris 10 due to missing SEM_VALUE_MAX. Extension Modules @@ -9896,7 +9929,7 @@ Extension Modules exploitation of poor argument checking. - bsddb code updated to version 4.7.3pre2. This code is the same than - Python 2.6 one, since the intention is to keep an unified 2.x/3.x codebase. + Python 2.6 one, since the intention is to keep a unified 2.x/3.x codebase. The Python code is automatically translated using "2to3". Please, do not update this code in Python 3.0 by hand. Update the 2.6 one and then do "2to3". @@ -9963,7 +9996,7 @@ Core and Builtins as bytes string, please use PyUnicode_AsUTF8String() instead. - Issue #3460: PyUnicode_Join() implementation is 10% to 80% faster thanks - to Python 3.0's stricter semantics which allow to avoid successive + to Python 3.0's stricter semantics which allow avoiding successive reallocations of the result string (this also affects str.join()). @@ -10606,8 +10639,8 @@ Core and Builtins certain operations between bytes/buffer and str like str(b'') and comparison. -- The standards streams sys.stdin, stdout and stderr may be None when - the when the C runtime library returns an invalid file descriptor +- The standard streams sys.stdin, stdout and stderr may be None + when the C runtime library returns an invalid file descriptor for the streams (fileno(stdin) < 0). For now this happens only for Windows GUI apps and scripts started with `pythonw.exe`. @@ -10646,7 +10679,7 @@ Library - Removed the 'new' module. -- Removed all types from the 'types' module that are easily accessable +- Removed all types from the 'types' module that are easily accessible through builtins. @@ -10888,7 +10921,7 @@ Platforms - Support for BeOS and AtheOS was removed (according to PEP 11). -- Support for RiscOS, Irix, Tru64 was removed (alledgedly). +- Support for RiscOS, Irix, Tru64 was removed (allegedly). Tools/Demos ----------- @@ -12729,7 +12762,7 @@ Library - Patch #1110248: SYNC_FLUSH the zlib buffer for GZipFile.flush. -- Patch #1107973: Allow to iterate over the lines of a tarfile.ExFileObject. +- Patch #1107973: Allow iterating over the lines of a tarfile.ExFileObject. - Patch #1104111: Alter setup.py --help and --help-commands. @@ -12879,7 +12912,7 @@ Library - Bug #947906: An object oriented interface has been added to the calendar module. It's possible to generate HTML calendar now and the module can be called as a script (e.g. via ``python -mcalendar``). Localized month and - weekday names can be ouput (even if an exotic encoding is used) using + weekday names can be output (even if an exotic encoding is used) using special classes that use unicode. Build @@ -13262,7 +13295,7 @@ Library ``True`` for ``!=``, and raises ``TypeError`` for other comparison operators. Because datetime is a subclass of date, comparing only the base class (date) members can still be done, if that's desired, by - forcing using of the approprate date method; e.g., + forcing using of the appropriate date method; e.g., ``a_date.__eq__(a_datetime)`` is true if and only if the year, month and day members of ``a_date`` and ``a_datetime`` are equal. @@ -13706,7 +13739,7 @@ Library same as when the argument is omitted). [SF bug 658254, patch 663482] -- nntplib does now allow to ignore a .netrc file. +- nntplib does now allow ignoring a .netrc file. - urllib2 now recognizes Basic authentication even if other authentication schemes are offered. @@ -13980,7 +14013,7 @@ Core and builtins would not be removed while allocating a new weakref object. Since GC could be invoked at that time, however, that assumption was invalid. In a truly obscure case of GC being triggered during - creation for a new weakref object for an referent which already + creation for a new weakref object for a referent which already has a weakref without a callback which is only referenced from cyclic trash, a memory error can occur. This consistently created a segfault in a debug build, but provided less predictable behavior in @@ -14124,7 +14157,7 @@ Extension modules - fcntl.ioctl now warns if the mutate flag is not specified. -- nt now properly allows to refer to UNC roots, e.g. in nt.stat(). +- nt now properly allows referring to UNC roots, e.g. in nt.stat(). - the weakref module now supports additional objects: array.array, sre.pattern_objects, file objects, and sockets. @@ -16032,7 +16065,7 @@ Core and builtins - All standard iterators now ensure that, once StopIteration has been raised, all future calls to next() on the same iterator will also raise StopIteration. There used to be various counterexamples to - this behavior, which could caused confusion or subtle program + this behavior, which could have caused confusion or subtle program breakage, without any benefits. (Note that this is still an iterator's responsibility; the iterator framework does not enforce this.) @@ -16682,7 +16715,7 @@ C API - New functions PyErr_SetExcFromWindowsErr() and PyErr_SetExcFromWindowsErrWithFilename(). Similar to PyErr_SetFromWindowsErrWithFilename() and - PyErr_SetFromWindowsErr(), but they allow to specify + PyErr_SetFromWindowsErr(), but they allow specifying the exception type to raise. Available on Windows. - Py_FatalError() is now declared as taking a const char* argument. It @@ -17557,8 +17590,8 @@ Type/class unification and new-style classes - property() now takes 4 keyword arguments: fget, fset, fdel and doc. These map to read-only attributes 'fget', 'fset', 'fdel', and '__doc__' in the constructed property object. fget, fset and fdel weren't - discoverable from Python in 2.2a3. __doc__ is new, and allows to - associate a docstring with a property. + discoverable from Python in 2.2a3. __doc__ is new, and allows + associating a docstring with a property. - Comparison overloading is now more completely implemented. For example, a str subclass instance can properly be compared to a str @@ -17973,7 +18006,7 @@ Tests ----- - regrtest.py now knows which tests are expected to be skipped on some - platforms, allowing to give clearer test result output. regrtest + platforms, allowing clearer test result output to be given. regrtest also has optional --use/-u switch to run normally disabled tests which require network access or consume significant disk resources. @@ -18704,7 +18737,7 @@ Standard library - xml.dom.minidom offers a toprettyxml method. A number of DOM conformance issues have been resolved. In particular, Element now - has an hasAttributes method, and the handling of namespaces was + has a hasAttributes method, and the handling of namespaces was improved. - Ka-Ping Yee contributed two new modules: inspect.py, a module for @@ -18903,7 +18936,7 @@ Core language, builtins, and interpreter - There is a new Unicode companion to the PyObject_Str() API called PyObject_Unicode(). It behaves in the same way as the - former, but assures that the returned value is an Unicode object + former, but assures that the returned value is a Unicode object (applying the usual coercion if necessary). - The comparison operators support "rich comparison overloading" (PEP @@ -20194,7 +20227,7 @@ list of all new modules is included below. Probably the most pervasive change is the addition of Unicode support. We've added a new fundamental datatype, the Unicode string, a new -build-in function unicode(), an numerous C APIs to deal with Unicode +built-in function unicode(), and numerous C APIs to deal with Unicode and encodings. See the file Misc/unicode.txt for details, or http://starship.python.net/crew/lemburg/unicode-proposal.txt. @@ -20888,7 +20921,7 @@ Fri Mar 26 22:36:00 1999 Fred Drake <fdrake@eric.cnri.reston.va.us> * Tools/scripts/dutree.py: During display, if EPIPE is raised, it's probably because a pager was - killed. Discard the error in that case, but propogate it otherwise. + killed. Discard the error in that case, but propagate it otherwise. Fri Mar 26 16:20:45 1999 Guido van Rossum <guido@eric.cnri.reston.va.us> @@ -21593,7 +21626,7 @@ New or improved ports - Improved BeOS support. -- Support dynamic loading of shared libraries on NetBSD platforms that +- Support dynamic loading of shared libraries on NetBSD platforms that use ELF (i.e., MIPS and Alpha systems). Configuration/build changes @@ -21679,7 +21712,7 @@ real list objects. - The uu module now deals better with trailing garbage generated by some broke uuencoders. -- The telnet module now has an my_interact() method which uses threads +- The telnet module now has a my_interact() method which uses threads instead of select. The interact() method uses this by default on Windows (where the single-threaded version doesn't work). @@ -21810,7 +21843,7 @@ provide its own version of this function, while still sharing the higher-level classes in code.py. - turtle.py is a new module for simple turtle graphics. I'm still -working on it; let me know if you use this to teach Python to children +working on it; let me know if you use this to teach Python to children or other novices without prior programming experience. Obsoleted library modules @@ -21942,7 +21975,7 @@ control pseudo-device, per audio(7I). Changes to tools ---------------- -- New, improved version of Barry Warsaw's Misc/python-mode.el (editing +- New, improved version of Barry Warsaw's Misc/python-mode.el (editing support for Emacs). - tabnanny.py: added a -q ('quiet') option to tabnanny, which causes @@ -22217,7 +22250,7 @@ Windows Installer ----------------- - Install zlib.dll in the DLLs directory instead of in the win32 -system directory, to avoid conflicts with other applications that have +system directory, to avoid conflicts with other applications that have their own zlib.dll. Test Suite @@ -22297,7 +22330,7 @@ General so that a symlink to a symlink can work. - Added a hack so that when you type 'quit' or 'exit' at the -interpreter, you get a friendly explanation of how to press Ctrl-D (or +interpreter, you get a friendly explanation of how to press Ctrl-D (or Ctrl-Z) to exit. - New and improved Misc/python-mode.el (Python mode for Emacs). @@ -22470,13 +22503,13 @@ problem that randint() was accidentally defined as taking an inclusive range. Also, randint(a, b) is now redefined as randrange(a, b+1), adding extra range and type checking to its arguments! -- Add some semi-thread-safety to random.gauss() (it used to be able to +- Add some semi-thread-safety to random.gauss() (it used to be able to crash when invoked from separate threads; now the worst it can do is give a duplicate result occasionally). - Some restructuring and generalization done to cmd.py. -- Major upgrade to ConfigParser.py; converted to using 're', added new +- Major upgrade to ConfigParser.py; converted to using 're', added new exceptions, support underscore in section header and option name. No longer add 'name' option to every section; instead, add '__name__'. @@ -22673,7 +22706,7 @@ Windows Installer ----------------- - The registry key used is now "1.5" instead of "1.5.x" -- so future -versions of 1.5 and Mark Hammond's win32all installer don't need to be +versions of 1.5 and Mark Hammond's win32all installer don't need to be resynchronized. Windows Tools @@ -22736,11 +22769,11 @@ PyEval_CallMethod(). - New macros to access object members for PyFunction, PyCFunction objects. -- New APIs PyImport_AppendInittab() an PyImport_ExtendInittab() to +- New APIs PyImport_AppendInittab() and PyImport_ExtendInittab() to dynamically add one or many entries to the table of built-in modules. - New macro Py_InitModule3(name, methods, doc) which calls -Py_InitModule4() with appropriate arguments. (The -4 variant requires +Py_InitModule4() with appropriate arguments. (The -4 variant requires you to pass an obscure version number constant which is always the same.) - New APIs PySys_WriteStdout() and PySys_WriteStderr() to write to @@ -22812,7 +22845,7 @@ less common scenario in practice. Syntax change ------------- -- The raise statement can now be used without arguments, to re-raise +- The raise statement can now be used without arguments, to re-raise a previously set exception. This should be used after catching an exception with an except clause only, either in the except clause or later in the same function. @@ -22871,7 +22904,7 @@ of a tab. The preferred module is tabnanny.py (by Tim Peters). Demo/tkinter/guido/paint.py -- Dave Mitchell Demo/sockets/unixserver.py -- Piet van Oostrum - + - Much better freeze support. The freeze script can now freeze hierarchical module names (with a corresponding change to import.c), @@ -23010,7 +23043,7 @@ certain locales). - New command supported by the ftplib module: rmd(); also fixed some minor bugs. -- The profile module now uses a different timer function by default -- +- The profile module now uses a different timer function by default -- time.clock() is generally better than os.times(). This makes it work better on Windows NT, too. @@ -23049,14 +23082,14 @@ module. Courtesy Barry Warsaw. - In the multifile module, support the optional second parameter to seek() when possible. -- Several fixes to the gopherlib module by Lars Marius Garshol. Also, +- Several fixes to the gopherlib module by Lars Marius Garshol. Also, urlparse now correctly handles Gopher URLs with query strings. - Fixed a tiny bug in format_exception() in the traceback module. Also rewrite tb_lineno() to be compatible with JPython (and not disturb the current exception!); by Jim Hugunin. -- The httplib module is more robust when servers send a short response +- The httplib module is more robust when servers send a short response -- courtesy Tim O'Malley. Tkinter and friends @@ -23071,7 +23104,7 @@ application only). no longer use the default root. - The interfaces for the bind*() and unbind() widget methods have been -redesigned; the bind*() methods now return the name of the Tcl command +redesigned; the bind*() methods now return the name of the Tcl command created for the callback, and this can be passed as an optional argument to unbind() in order to delete the command (normally, such commands are automatically unbound when the widget is destroyed, but @@ -23107,7 +23140,7 @@ intended for storing thread-local global variables. dictionary to allow recursive container types to detect recursion in their repr(), str() and print implementations. -- New function PyObject_Not(x) calculates (not x) according to Python's +- New function PyObject_Not(x) calculates (not x) according to Python's standard rules (basically, it negates the outcome PyObject_IsTrue(x). - New function _PyModule_Clear(), which clears a module's dictionary @@ -23268,7 +23301,7 @@ defined in packages correctly. The same change applies to copying instances with copy.py. The cPickle.c changes and some pickle.py changes are courtesy Jim Fulton. -- Locale support in he "re" (Perl regular expressions) module. Use +- Locale support in he "re" (Perl regular expressions) module. Use the flag re.L (or re.LOCALE) to enable locale-specific matching rules for \w and \b. The in-line syntax for this flag is (?L). @@ -23334,7 +23367,7 @@ don't know how to deal with those. - Some improvements to the _tkinter build line suggested by Case Roole. -- A full suite of platform specific files for NetBSD 1.x, submitted by +- A full suite of platform specific files for NetBSD 1.x, submitted by Anders Andersen. - New Solaris specific header STROPTS.py. @@ -23404,7 +23437,7 @@ after studying the GNU libg++ quicksort. This should be much faster if there are lots of duplicates, and otherwise at least as good. - Added "uue" as an alias for "uuencode" to mimetools.py. (Hm, the -uudecode bug where it complaints about trailing garbage is still there +uudecode bug where it complaints about trailing garbage is still there :-( ). - pickle.py requires integers in text mode to be in decimal notation @@ -23412,7 +23445,7 @@ uudecode bug where it complaints about trailing garbage is still there decimal numbers). - In string.atof(), don't fail when the "re" module is unavailable. -Plug the ensueing security leak by supplying an empty __builtins__ +Plug the ensuing security leak by supplying an empty __builtins__ directory to eval(). - A bunch of small fixes and improvements to Tkinter.py. @@ -23710,7 +23743,7 @@ the first class with an applicable hook wins. Makes more sense. - Changed the checks made in Py_Initialize() and Py_Finalize(). It is now legal to call these more than once. The first call to Py_Initialize() initializes, the first call to Py_Finalize() -finalizes. There's also a new API, Py_IsInitalized() which checks +finalizes. There's also a new API, Py_IsInitialized() which checks whether we are already initialized (in case you want to leave things as they were). @@ -23737,7 +23770,7 @@ Netscape on Windows/Mac). - copy.py: Make sure the objects returned by __getinitargs__() are kept alive (in the memo) to avoid a certain kind of nasty crash. (Not -easily reproducable because it requires a later call to +easily reproducible because it requires a later call to __getinitargs__() to return a tuple that happens to be allocated at the same address.) @@ -23937,7 +23970,7 @@ in Python. An example completer, rlcompleter.py, is provided. - The traceback.py module has a new function tb_lineno() by Marc-Andre Lemburg which extracts the line number from the linenumber table in -the code object. Apparently the traceback object doesn't contains the +the code object. Apparently the traceback object doesn't contain the right linenumber when -O is used. Rather than guessing whether -O is on or off, the module itself uses tb_lineno() unconditionally. @@ -24180,7 +24213,7 @@ the C and the Python variety) and for floating point numbers. The Python/C API for frames is changed (you shouldn't be using this anyway). -- Significant speedup by inlining some common opcodes for common operand +- Significant speedup by inlining some common opcodes for common operand types (e.g. i+i, i-i, and list[i]). Fredrik Lundh. - Small speedup by reordering the method tables of some common @@ -24206,34 +24239,34 @@ pressure to document their own contributed modules :-). Note that printing the documentation now kills fewer trees -- the margins have been reduced. -- I have started documenting the Python/C API. Unfortunately this project -hasn't been completed yet. It will be complete before the final release of -Python 1.5, though. At the moment, it's better to read the LaTeX source +- I have started documenting the Python/C API. Unfortunately this project +hasn't been completed yet. It will be complete before the final release of +Python 1.5, though. At the moment, it's better to read the LaTeX source than to attempt to run it through LaTeX and print the resulting dvi file. -- The posix module (and hence os.py) now has doc strings! Thanks to Neil -Schemenauer. I received a few other contributions of doc strings. In most +- The posix module (and hence os.py) now has doc strings! Thanks to Neil +Schemenauer. I received a few other contributions of doc strings. In most other places, doc strings are still wishful thinking... Language changes ---------------- -- Private variables with leading double underscore are now a permanent -feature of the language. (These were experimental in release 1.4. I have -favorable experience using them; I can't label them "experimental" +- Private variables with leading double underscore are now a permanent +feature of the language. (These were experimental in release 1.4. I have +favorable experience using them; I can't label them "experimental" forever.) -- There's new string literal syntax for "raw strings". Prefixing a string -literal with the letter r (or R) disables all escape processing in the -string; for example, r'\n' is a two-character string consisting of a -backslash followed by the letter n. This combines with all forms of string -quotes; it is actually useful for triple quoted doc strings which might -contain references to \n or \t. An embedded quote prefixed with a -backslash does not terminate the string, but the backslash is still -included in the string; for example, r'\'' is a two-character string -consisting of a backslash and a quote. (Raw strings are also -affectionately known as Robin strings, after their inventor, Robin +- There's new string literal syntax for "raw strings". Prefixing a string +literal with the letter r (or R) disables all escape processing in the +string; for example, r'\n' is a two-character string consisting of a +backslash followed by the letter n. This combines with all forms of string +quotes; it is actually useful for triple quoted doc strings which might +contain references to \n or \t. An embedded quote prefixed with a +backslash does not terminate the string, but the backslash is still +included in the string; for example, r'\'' is a two-character string +consisting of a backslash and a quote. (Raw strings are also +affectionately known as Robin strings, after their inventor, Robin Friedrich.) - There's a simple assert statement, and a new exception @@ -24262,10 +24295,10 @@ patches to catch floating point exceptions, at the moment). - The obsolete exception ConflictError (presumably used by the long obsolete access statement) has been deleted. -- There's a new function sys.exc_info() which returns the tuple +- There's a new function sys.exc_info() which returns the tuple (sys.exc_type, sys.exc_value, sys.exc_traceback) in a thread-safe way. -- There's a new variable sys.executable, pointing to the executable file +- There's a new variable sys.executable, pointing to the executable file for the Python interpreter. - The sort() methods for lists no longer uses the C library qsort(); I @@ -24291,11 +24324,11 @@ caught an exception are kept alive until another exception is caught returning from a function that caught an exception. - There's a new "buffer" interface. Certain objects (e.g. strings and -arrays) now support the "buffer" protocol. Buffer objects are acceptable -whenever formerly a string was required for a write operation; mutable +arrays) now support the "buffer" protocol. Buffer objects are acceptable +whenever formerly a string was required for a write operation; mutable buffer objects can be the target of a read operation using the call -f.readinto(buffer). A cool feature is that regular expression matching now -also work on array objects. Contribution by Jack Jansen. (Needs +f.readinto(buffer). A cool feature is that regular expression matching now +also work on array objects. Contribution by Jack Jansen. (Needs documentation.) - String interning: dictionary lookups are faster when the lookup @@ -24587,7 +24620,7 @@ Wirzenius, and RFC 850 dates (Chris Lawrence). of message sequence specifiers without invoking a subprocess. Also added a createmessage() method by Lars Wirzenius. -- The StringIO.StringIO class now supports readline(nbytes). (Lars +- The StringIO.StringIO class now supports readline(nbytes). (Lars Wirzenius.) (Of course, you should be using cStringIO for performance.) - UserDict.py supports the new dictionary methods as well. @@ -24635,8 +24668,8 @@ command line utilities. - Various small fixes to the nntplib.py module that I can't bother to document in detail. -- Sjoerd Mullender's mimify.py module now supports base64 encoding and -includes functions to handle the funny encoding you sometimes see in mail +- Sjoerd Mullender's mimify.py module now supports base64 encoding and +includes functions to handle the funny encoding you sometimes see in mail headers. It is now documented. - mailbox.py: Added BabylMailbox. Improved the way the mailbox is @@ -24987,23 +25020,23 @@ Windows (NT and 95) NT (the old VC++ 4.2 Makefile is also still supported, but will eventually be withdrawn due to its bulkiness). -- See the note on the new module search path in the "Miscellaneous" section +- See the note on the new module search path in the "Miscellaneous" section above. - Support for Win32s (the 32-bit Windows API under Windows 3.1) is basically withdrawn. If it still works for you, you're lucky. -- There's a new extension module, msvcrt.c, which provides various -low-level operations defined in the Microsoft Visual C++ Runtime Library. -These include locking(), setmode(), get_osfhandle(), set_osfhandle(), and +- There's a new extension module, msvcrt.c, which provides various +low-level operations defined in the Microsoft Visual C++ Runtime Library. +These include locking(), setmode(), get_osfhandle(), set_osfhandle(), and console I/O functions like kbhit(), getch() and putch(). - The -u option not only sets the standard I/O streams to unbuffered status, but also sets them in binary mode. (This can also be done using msvcrt.setmode(), by the way.) -- The, sys.prefix and sys.exec_prefix variables point to the directory -where Python is installed, or to the top of the source tree, if it was run +- The, sys.prefix and sys.exec_prefix variables point to the directory +where Python is installed, or to the top of the source tree, if it was run from there. - The various os.path modules (posixpath, ntpath, macpath) now support @@ -25011,7 +25044,7 @@ passing more than two arguments to the join() function, so os.path.join(a, b, c) is the same as os.path.join(a, os.path.join(b, c)). -- The ntpath module (normally used as os.path) supports ~ to $HOME +- The ntpath module (normally used as os.path) supports ~ to $HOME expansion in expanduser(). - The freeze tool now works on Windows. @@ -25309,47 +25342,47 @@ output directory. - New module whichdb recognizes dbm, gdbm and bsddb/dbhash files. -- The Doc/Makefile targets have been reorganized somewhat to remove the +- The Doc/Makefile targets have been reorganized somewhat to remove the insistence on always generating PostScript. - The texinfo to html filter (Doc/texi2html.py) has been improved somewhat. -- "errors.h" has been renamed to "pyerrors.h" to resolve a long-standing +- "errors.h" has been renamed to "pyerrors.h" to resolve a long-standing name conflict on the Mac. -- Linking a module compiled with a different setting for Py_TRACE_REFS now +- Linking a module compiled with a different setting for Py_TRACE_REFS now generates a linker error rather than a core dump. -- The cgi module has a new convenience function print_exception(), which -formats a python exception using HTML. It also fixes a bug in the -compatibility code and adds a dubious feature which makes it possible to +- The cgi module has a new convenience function print_exception(), which +formats a python exception using HTML. It also fixes a bug in the +compatibility code and adds a dubious feature which makes it possible to have two query strings, one in the URL and one in the POST data. -- A subtle change in the unpickling of class instances makes it possible -to unpickle in restricted execution mode, where the __dict__ attribute is +- A subtle change in the unpickling of class instances makes it possible +to unpickle in restricted execution mode, where the __dict__ attribute is not available (but setattr() is). -- Documentation for os.path.splitext() (== posixpath.splitext()) has been +- Documentation for os.path.splitext() (== posixpath.splitext()) has been cleared up. It splits at the *last* dot. - posixfile locking is now also correctly supported on AIX. -- The tempfile module once again honors an initial setting of tmpdir. It +- The tempfile module once again honors an initial setting of tmpdir. It now works on Windows, too. -- The traceback module has some new functions to extract, format and print +- The traceback module has some new functions to extract, format and print the active stack. -- Some translation functions in the urllib module have been made a little +- Some translation functions in the urllib module have been made a little less sluggish. -- The addtag_* methods for Canvas widgets in Tkinter as well as in the -separate Canvas class have been fixed so they actually do something +- The addtag_* methods for Canvas widgets in Tkinter as well as in the +separate Canvas class have been fixed so they actually do something meaningful. - A tiny _test() function has been added to Tkinter.py. -- A generic Makefile for dynamically loaded modules is provided in the Misc +- A generic Makefile for dynamically loaded modules is provided in the Misc subdirectory (Misc/gMakefile). - A new version of python-mode.el for Emacs is provided. See @@ -25357,25 +25390,25 @@ http://www.python.org/ftp/emacs/pmdetails.html for details. The separate file pyimenu.el is no longer needed, imenu support is folded into python-mode.el. -- The configure script can finally correctly find the readline library in a -non-standard location. The LDFLAGS variable is passed on the Makefiles +- The configure script can finally correctly find the readline library in a +non-standard location. The LDFLAGS variable is passed on the Makefiles from the configure script. -- Shared libraries are now installed as programs (i.e. with executable +- Shared libraries are now installed as programs (i.e. with executable permission). This is required on HP-UX and won't hurt on other systems. -- The objc.c module is no longer part of the distribution. Objective-C +- The objc.c module is no longer part of the distribution. Objective-C support may become available as contributed software on the ftp site. - The sybase module is no longer part of the distribution. A much improved sybase module is available as contributed software from the ftp site. -- _tkinter is now compatible with Tcl 7.5 / Tk 4.1 patch1 on Windows and -Mac (don't use unpatched Tcl/Tk!). The default line in the Setup.in file +- _tkinter is now compatible with Tcl 7.5 / Tk 4.1 patch1 on Windows and +Mac (don't use unpatched Tcl/Tk!). The default line in the Setup.in file now links with Tcl 7.5 / Tk 4.1 rather than 7.4/4.0. -- In Setup, you can now write "*shared*" instead of "*noconfig*", and you +- In Setup, you can now write "*shared*" instead of "*noconfig*", and you can use *.so and *.sl as shared libraries. - Some more fidgeting for AIX shared libraries. @@ -25384,81 +25417,81 @@ can use *.so and *.sl as shared libraries. (Note -- a complete replacement by Niels Mo"ller, called gpmodule, is available from the contrib directory on the ftp site.) -- A warning is written to sys.stderr when a __del__ method raises an +- A warning is written to sys.stderr when a __del__ method raises an exception (formerly, such exceptions were completely ignored). -- The configure script now defines HAVE_OLD_CPP if the C preprocessor is +- The configure script now defines HAVE_OLD_CPP if the C preprocessor is incapable of ANSI style token concatenation and stringification. -- All source files (except a few platform specific modules) are once again +- All source files (except a few platform specific modules) are once again compatible with K&R C compilers as well as ANSI compilers. In particular, -ANSI-isms have been removed or made conditional in complexobject.c, +ANSI-isms have been removed or made conditional in complexobject.c, getargs.c and operator.c. -- The abstract object API has three new functions, PyObject_DelItem, +- The abstract object API has three new functions, PyObject_DelItem, PySequence_DelItem, and PySequence_DelSlice. -- The operator module has new functions delitem and delslice, and the -functions "or" and "and" are renamed to "or_" and "and_" (since "or" and +- The operator module has new functions delitem and delslice, and the +functions "or" and "and" are renamed to "or_" and "and_" (since "or" and "and" are reserved words). ("__or__" and "__and__" are unchanged.) -- The environment module is no longer supported; putenv() is now a function +- The environment module is no longer supported; putenv() is now a function in posixmodule (also under NT). - Error in filter(<function>, "") has been fixed. - Unrecognized keyword arguments raise TypeError, not KeyError. -- Better portability, fewer bugs and memory leaks, fewer compiler warnings, +- Better portability, fewer bugs and memory leaks, fewer compiler warnings, some more documentation. -- Bug in float power boundary case (0.0 to the negative integer power) +- Bug in float power boundary case (0.0 to the negative integer power) fixed. -- The test of negative number to the float power has been moved from the +- The test of negative number to the float power has been moved from the built-in pow() function to floatobject.c (so complex numbers can yield the correct result). -- The bug introduced in beta2 where shared libraries loaded (using +- The bug introduced in beta2 where shared libraries loaded (using dlopen()) from the current directory would fail, has been fixed. -- Modules imported as shared libraries now also have a __file__ attribute, -giving the filename from which they were loaded. The only modules without +- Modules imported as shared libraries now also have a __file__ attribute, +giving the filename from which they were loaded. The only modules without a __file__ attribute now are built-in modules. -- On the Mac, dynamically loaded modules can end in either ".slb" or -".<platform>.slb" where <platform> is either "CFM68K" or "ppc". The ".slb" +- On the Mac, dynamically loaded modules can end in either ".slb" or +".<platform>.slb" where <platform> is either "CFM68K" or "ppc". The ".slb" extension should only be used for "fat" binaries. -- C API addition: marshal.c now supports +- C API addition: marshal.c now supports PyMarshal_WriteObjectToString(object). - C API addition: getargs.c now supports PyArg_ParseTupleAndKeywords(args, kwdict, format, kwnames, ...) to parse keyword arguments. -- The PC versioning scheme (sys.winver) has changed once again. the -version number is now "<digit>.<digit>.<digit>.<apiversion>", where the -first three <digit>s are the Python version (e.g. "1.4.0" for Python 1.4, -"1.4.1" for Python 1.4.1 -- the beta level is not included) and +- The PC versioning scheme (sys.winver) has changed once again. the +version number is now "<digit>.<digit>.<digit>.<apiversion>", where the +first three <digit>s are the Python version (e.g. "1.4.0" for Python 1.4, +"1.4.1" for Python 1.4.1 -- the beta level is not included) and <apiversion> is the four-digit PYTHON_API_VERSION (currently 1005). - h2py.py accepts whitespace before the # in CPP directives -- On Solaris 2.5, it should now be possible to use either Posix threads or -Solaris threads (XXX: how do you select which is used???). (Note: the -Python pthreads interface doesn't fully support semaphores yet -- anyone +- On Solaris 2.5, it should now be possible to use either Posix threads or +Solaris threads (XXX: how do you select which is used???). (Note: the +Python pthreads interface doesn't fully support semaphores yet -- anyone care to fix this?) -- Thread support should now work on AIX, using either DCE threads or +- Thread support should now work on AIX, using either DCE threads or pthreads. - New file Demo/sockets/unicast.py -- Working Mac port, with CFM68K support, with Tk 4.1 support (though not +- Working Mac port, with CFM68K support, with Tk 4.1 support (though not both) (XXX) -- New project setup for PC port, now compatible with PythonWin, with +- New project setup for PC port, now compatible with PythonWin, with _tkinter and NumPy support (XXX) - New module site.py (XXX) @@ -25475,7 +25508,7 @@ _tkinter and NumPy support (XXX) - string.atoi c.s. now raise an exception for an empty input string. -- At last, it is no longer necessary to define HAVE_CONFIG_H in order to +- At last, it is no longer necessary to define HAVE_CONFIG_H in order to have config.h included at various places. - Unrecognized keyword arguments now raise TypeError rather than KeyError. @@ -25483,25 +25516,25 @@ have config.h included at various places. - The makesetup script recognizes files with extension .so or .sl as (shared) libraries. -- 'access' is no longer a reserved word, and all code related to its -implementation is gone (or at least #ifdef'ed out). This should make +- 'access' is no longer a reserved word, and all code related to its +implementation is gone (or at least #ifdef'ed out). This should make Python a little speedier too! -- Performance enhancements suggested by Sjoerd Mullender. This includes -the introduction of two new optional function pointers in type object, -getattro and setattro, which are like getattr and setattr but take a +- Performance enhancements suggested by Sjoerd Mullender. This includes +the introduction of two new optional function pointers in type object, +getattro and setattro, which are like getattr and setattr but take a string object instead of a C string pointer. -- New operations in string module: lstrip(s) and rstrip(s) strip whitespace -only on the left or only on the right, A new optional third argument to -split() specifies the maximum number of separators honored (so -splitfields(s, sep, n) returns a list of at most n+1 elements). (Since +- New operations in string module: lstrip(s) and rstrip(s) strip whitespace +only on the left or only on the right, A new optional third argument to +split() specifies the maximum number of separators honored (so +splitfields(s, sep, n) returns a list of at most n+1 elements). (Since 1.3, splitfields(s, None) is totally equivalent to split(s).) -string.capwords() has an optional second argument specifying the +string.capwords() has an optional second argument specifying the separator (which is passed to split()). -- regsub.split() has the same addition as string.split(). regsub.splitx(s, -sep, maxsep) implements the functionality that was regsub.split(s, 1) in +- regsub.split() has the same addition as string.split(). regsub.splitx(s, +sep, maxsep) implements the functionality that was regsub.split(s, 1) in 1.4beta2 (return a list containing the delimiters as well as the words). - Final touch for AIX loading, rewritten Misc/AIX-NOTES. @@ -25545,11 +25578,11 @@ What's new in 1.4beta2 (since beta1)? meaningful value (a few things were botched in beta 1). Lib/dos_8x3 is now a standard part of the distribution (alas). -- More improvements to the installation procedure. Typing "make install" -now inserts the version number in the pathnames of almost everything -installed, and creates the machine dependent modules (FCNTL.py etc.) if not -supplied by the distribution. (XXX There's still a problem with the latter -because the "regen" script requires that Python is installed. Some manual +- More improvements to the installation procedure. Typing "make install" +now inserts the version number in the pathnames of almost everything +installed, and creates the machine dependent modules (FCNTL.py etc.) if not +supplied by the distribution. (XXX There's still a problem with the latter +because the "regen" script requires that Python is installed. Some manual intervention may still be required.) (This has been fixed in 1.4beta3.) - New modules: errno, operator (XXX). @@ -25612,8 +25645,8 @@ What's new in 1.4beta1 (since 1.3)? - Added sys.platform and sys.exec_platform for Bill Janssen. -- Installation has been completely overhauled. "make install" now installs -everything, not just the python binary. Installation uses the install-sh +- Installation has been completely overhauled. "make install" now installs +everything, not just the python binary. Installation uses the install-sh script (borrowed from X11) to install each file. - New functions in the posix module: mkfifo, plock, remove (== unlink), @@ -25623,59 +25656,59 @@ and ftruncate. More functions are also available under NT. - Shared library support for FreeBSD. -- The --with-readline option can now be used without a DIRECTORY argument, -for systems where libreadline.* is in one of the standard places. It is +- The --with-readline option can now be used without a DIRECTORY argument, +for systems where libreadline.* is in one of the standard places. It is also possible for it to be a shared library. -- The extension tkinter has been renamed to _tkinter, to avoid confusion -with Tkinter.py oncase insensitive file systems. It now supports Tk 4.1 as +- The extension tkinter has been renamed to _tkinter, to avoid confusion +with Tkinter.py oncase insensitive file systems. It now supports Tk 4.1 as well as 4.0. -- Author's change of address from CWI in Amsterdam, The Netherlands, to +- Author's change of address from CWI in Amsterdam, The Netherlands, to CNRI in Reston, VA, USA. -- The math.hypot() function is now always available (if it isn't found in +- The math.hypot() function is now always available (if it isn't found in the C math library, Python provides its own implementation). -- The latex documentation is now compatible with latex2e, thanks to David +- The latex documentation is now compatible with latex2e, thanks to David Ascher. - The expression x**y is now equivalent to pow(x, y). - The indexing expression x[a, b, c] is now equivalent to x[(a, b, c)]. -- Complex numbers are now supported. Imaginary constants are written with -a 'j' or 'J' prefix, general complex numbers can be formed by adding a real -part to an imaginary part, like 3+4j. Complex numbers are always stored in -floating point form, so this is equivalent to 3.0+4.0j. It is also -possible to create complex numbers with the new built-in function -complex(re, [im]). For the footprint-conscious, complex number support can +- Complex numbers are now supported. Imaginary constants are written with +a 'j' or 'J' prefix, general complex numbers can be formed by adding a real +part to an imaginary part, like 3+4j. Complex numbers are always stored in +floating point form, so this is equivalent to 3.0+4.0j. It is also +possible to create complex numbers with the new built-in function +complex(re, [im]). For the footprint-conscious, complex number support can be disabled by defining the symbol WITHOUT_COMPLEX. - New built-in function list() is the long-awaited counterpart of tuple(). -- There's a new "cmath" module which provides the same functions as the -"math" library but with complex arguments and results. (There are very -good reasons why math.sqrt(-1) still raises an exception -- you have to use +- There's a new "cmath" module which provides the same functions as the +"math" library but with complex arguments and results. (There are very +good reasons why math.sqrt(-1) still raises an exception -- you have to use cmath.sqrt(-1) to get 1j for an answer.) -- The Python.h header file (which is really the same as allobjects.h except -it disables support for old style names) now includes several more files, +- The Python.h header file (which is really the same as allobjects.h except +it disables support for old style names) now includes several more files, so you have to have fewer #include statements in the average extension. -- The NDEBUG symbol is no longer used. Code that used to be dependent on -the presence of NDEBUG is now present on the absence of DEBUG. TRACE_REFS -and REF_DEBUG have been renamed to Py_TRACE_REFS and Py_REF_DEBUG, -respectively. At long last, the source actually compiles and links without +- The NDEBUG symbol is no longer used. Code that used to be dependent on +the presence of NDEBUG is now present on the absence of DEBUG. TRACE_REFS +and REF_DEBUG have been renamed to Py_TRACE_REFS and Py_REF_DEBUG, +respectively. At long last, the source actually compiles and links without errors when this symbol is defined. -- Several symbols that didn't follow the new naming scheme have been -renamed (usually by adding to rename2.h) to use a Py or _Py prefix. There -are no external symbols left without a Py or _Py prefix, not even those -defined by sources that were incorporated from elsewhere (regexpr.c, +- Several symbols that didn't follow the new naming scheme have been +renamed (usually by adding to rename2.h) to use a Py or _Py prefix. There +are no external symbols left without a Py or _Py prefix, not even those +defined by sources that were incorporated from elsewhere (regexpr.c, md5c.c). (Macros are a different story...) -- There are now typedefs for the structures defined in config.c and +- There are now typedefs for the structures defined in config.c and frozen.c. - New PYTHON_API_VERSION value and .pyc file magic number. @@ -25689,125 +25722,125 @@ frozen.c. - The binhex and binascii modules now actually work. - The cgi module has been almost totally rewritten and documented. -It now supports file upload and a new data type to handle forms more +It now supports file upload and a new data type to handle forms more flexibly. - The formatter module (for use with htmllib) has been overhauled (again). - The ftplib module now supports passive mode and has doc strings. -- In (ideally) all places where binary files are read or written, the file -is now correctly opened in binary mode ('rb' or 'wb') so the code will work +- In (ideally) all places where binary files are read or written, the file +is now correctly opened in binary mode ('rb' or 'wb') so the code will work on Mac or PC. -- Dummy versions of os.path.expandvars() and expanduser() are now provided +- Dummy versions of os.path.expandvars() and expanduser() are now provided on non-Unix platforms. -- Module urllib now has two new functions url2pathname and pathname2url -which turn local filenames into "file:..." URLs using the same rules as -Netscape (why be different). it also supports urlretrieve() with a -pathname parameter, and honors the proxy environment variables (http_proxy +- Module urllib now has two new functions url2pathname and pathname2url +which turn local filenames into "file:..." URLs using the same rules as +Netscape (why be different). it also supports urlretrieve() with a +pathname parameter, and honors the proxy environment variables (http_proxy etc.). The URL parsing has been improved somewhat, too. -- Micro improvements to urlparse. Added urlparse.urldefrag() which +- Micro improvements to urlparse. Added urlparse.urldefrag() which removes a trailing ``#fragment'' if any. - The mailbox module now supports MH style message delimiters as well. -- The mhlib module contains some new functionality: setcontext() to set the -current folder and parsesequence() to parse a sequence as commonly passed +- The mhlib module contains some new functionality: setcontext() to set the +current folder and parsesequence() to parse a sequence as commonly passed to MH commands (e.g. 1-10 or last:5). -- New module mimify for conversion to and from MIME format of email +- New module mimify for conversion to and from MIME format of email messages. -- Module ni now automatically installs itself when first imported -- this -is against the normal rule that modules should define classes and functions -but not invoke them, but appears more useful in the case that two +- Module ni now automatically installs itself when first imported -- this +is against the normal rule that modules should define classes and functions +but not invoke them, but appears more useful in the case that two different, independent modules want to use ni's features. - Some small performance enhancements in module pickle. -- Small interface change to the profile.run*() family of functions -- more +- Small interface change to the profile.run*() family of functions -- more sensible handling of return values. -- The officially registered Mac creator for Python files is 'Pyth'. This +- The officially registered Mac creator for Python files is 'Pyth'. This replaces 'PYTH' which was used before but never registered. - Added regsub.capwords(). (XXX) -- Added string.capwords(), string.capitalize() and string.translate(). +- Added string.capwords(), string.capitalize() and string.translate(). (XXX) -- Fixed an interface bug in the rexec module: it was impossible to pass a -hooks instance to the RExec class. rexec now also supports the dynamic -loading of modules from shared libraries. Some other interfaces have been +- Fixed an interface bug in the rexec module: it was impossible to pass a +hooks instance to the RExec class. rexec now also supports the dynamic +loading of modules from shared libraries. Some other interfaces have been added too. -- Module rfc822 now caches the headers in a dictionary for more efficient +- Module rfc822 now caches the headers in a dictionary for more efficient lookup. -- The sgmllib module now understands a limited number of SGML "shorthands" +- The sgmllib module now understands a limited number of SGML "shorthands" like <A/.../ for <A>...</A>. (It's not clear that this was a good idea...) -- The tempfile module actually tries a number of different places to find a -usable temporary directory. (This was prompted by certain Linux -installations that appear to be missing a /usr/tmp directory.) [A bug in -the implementation that would ignore a pre-existing tmpdir global has been +- The tempfile module actually tries a number of different places to find a +usable temporary directory. (This was prompted by certain Linux +installations that appear to be missing a /usr/tmp directory.) [A bug in +the implementation that would ignore a pre-existing tmpdir global has been fixed in beta3.] - Much improved and enhanved FileDialog module for Tkinter. -- Many small changes to Tkinter, to bring it more in line with Tk 4.0 (as +- Many small changes to Tkinter, to bring it more in line with Tk 4.0 (as well as Tk 4.1). -- New socket interfaces include ntohs(), ntohl(), htons(), htonl(), and -s.dup(). Sockets now work correctly on Windows. On Windows, the built-in -extension is called _socket and a wrapper module win/socket.py provides -"makefile()" and "dup()" functionality. On Windows, the select module +- New socket interfaces include ntohs(), ntohl(), htons(), htonl(), and +s.dup(). Sockets now work correctly on Windows. On Windows, the built-in +extension is called _socket and a wrapper module win/socket.py provides +"makefile()" and "dup()" functionality. On Windows, the select module works only with socket objects. - Bugs in bsddb module fixed (e.g. missing default argument values). - The curses extension now includes <ncurses.h> when available. -- The gdbm module now supports opening databases in "fast" mode by +- The gdbm module now supports opening databases in "fast" mode by specifying 'f' as the second character or the mode string. -- new variables sys.prefix and sys.exec_prefix pass corresponding +- new variables sys.prefix and sys.exec_prefix pass corresponding configuration options / Makefile variables to the Python programmer. -- The ``new'' module now supports creating new user-defined classes as well +- The ``new'' module now supports creating new user-defined classes as well as instances thereof. -- The soundex module now sports get_soundex() to get the soundex value for an -arbitrary string (formerly it would only do soundex-based string +- The soundex module now sports get_soundex() to get the soundex value for an +arbitrary string (formerly it would only do soundex-based string comparison) as well as doc strings. -- New object type "cobject" to safely wrap void pointers for passing them +- New object type "cobject" to safely wrap void pointers for passing them between various extension modules. - More efficient computation of float**smallint. -- The mysterious bug whereby "x.x" (two occurrences of the same -one-character name) typed from the commandline would sometimes fail +- The mysterious bug whereby "x.x" (two occurrences of the same +one-character name) typed from the commandline would sometimes fail mysteriously. -- The initialization of the readline function can now be invoked by a C +- The initialization of the readline function can now be invoked by a C extension through PyOS_ReadlineInit(). -- There's now an externally visible pointer PyImport_FrozenModules which +- There's now an externally visible pointer PyImport_FrozenModules which can be changed by an embedding application. -- The argument parsing functions now support a new format character 'D' to +- The argument parsing functions now support a new format character 'D' to specify complex numbers. - Various memory leaks plugged and bugs fixed. -- Improved support for posix threads (now that real implementations are +- Improved support for posix threads (now that real implementations are beginning to apepar). Still no fully functioning semaphores. -- Some various and sundry improvements and new entries in the Tools +- Some various and sundry improvements and new entries in the Tools directory. @@ -26024,7 +26057,7 @@ machinery is moved to the new file importdl.c. module implementing deepcopy and normal (shallow) copy operations. See the library reference manual. -- Documentation strings for many objects types are accessible through +- Documentation strings for many object types are accessible through the __doc__ attribute. Modules, classes and functions support special syntax to initialize the __doc__ attribute: if the first statement consists of just a string literal, that string literal becomes the @@ -26766,7 +26799,7 @@ the first time it is imported. python parser. Corresponding standard library modules token and symbol defines the numeric values of tokens and non-terminal symbols. -* The posix module has aquired new functions setuid(), setgid(), +* The posix module has acquired new functions setuid(), setgid(), execve(), and exec() has been renamed to execv(). * The array module is extended with 8-byte object swaps, the 'i' @@ -26780,7 +26813,7 @@ module can't be decoded by the new version. * For select.select(), a timeout (4th) argument of None means the same as leaving the timeout argument out. -* Module strop (and hence standard library module string) has aquired +* Module strop (and hence standard library module string) has acquired a new function: rindex(). Thanks to Amrit Prem! * Module regex defines a new function symcomp() which uses an extended @@ -27146,7 +27179,7 @@ a string it is returned unchanged, otherwise it returns `x`. * repr(x) returns the same as `x`. (Some users found it easier to have this as a function.) -* round(x) returns the floating point number x rounded to an whole +* round(x) returns the floating point number x rounded to a whole number, represented as a floating point number. round(x, n) returns x rounded to n digits. @@ -27369,7 +27402,7 @@ bullet-proof, after reports of (minor) trouble on certain platforms. There is now a script to patch Makefile and config.c to add a new optional built-in module: Addmodule.sh. Read the script before using! -Useing Addmodule.sh, all optional modules can now be configured at +Using Addmodule.sh, all optional modules can now be configured at compile time using Configure.py, so there are no modules left that require dynamic loading. @@ -27417,7 +27450,7 @@ it's now about 38). The limit on the size of the *run-time* stack has completely been removed -- this means that tuple or list displays can contain any number of elements (formerly more than 50 would crash the -interpreter). +interpreter). Changes to existing built-in functions and methods @@ -27800,9 +27833,9 @@ SOCKET: symbolic constant definitions for socket options SUNAUDIODEV: symbolic constant definitions for sunaudiodef (sun only) -SV: symbolic constat definitions for sv (sgi only) +SV: symbolic constant definitions for sv (sgi only) -CD: symbolic constat definitions for cd (sgi only) +CD: symbolic constant definitions for cd (sgi only) New demos @@ -27926,7 +27959,7 @@ New features in 0.9.6: to give more useful results for negative operands - Changed/added range checks for long/plain integer shifts - Options found after "-c command" are now passed to the command in sys.argv - (note subtle incompatiblity with "python -c command -- -options"!) + (note subtle incompatibility with "python -c command -- -options"!) - Module stdwin is better protected against touching objects after they've been closed; menus can now also be closed explicitly - Stdwin now uses its own exception (stdwin.error) |