diff options
Diffstat (limited to 'Misc/HISTORY')
| -rw-r--r-- | Misc/HISTORY | 1113 |
1 files changed, 573 insertions, 540 deletions
diff --git a/Misc/HISTORY b/Misc/HISTORY index 88e8a6b..751bee9 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. @@ -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. @@ -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 @@ -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. @@ -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. @@ -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 @@ -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. @@ -2524,10 +2482,6 @@ 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 when set to False makes run() execute the scheduled events due to expire soonest (if any) and then return. Patch by Giampaolo Rodolà. @@ -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. @@ -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. @@ -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. @@ -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``. @@ -9796,13 +9829,13 @@ Core and Builtins 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 @@ -9880,7 +9913,7 @@ Library - 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 @@ -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 @@ -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 @@ -22740,7 +22773,7 @@ objects. 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 a 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 @@ -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 -built-in pow() functin to floatobject.c (so complex numbers can yield the +- The test of negative number to the float power has been moved from the +built-in pow() functin 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. @@ -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 |