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Revision Author Date Message Commit Date
dc7a50d bpo-39350: Fix fractions for int subclasses (GH-18375) Fix regression in fractions.Fraction if the numerator and/or the denominator is an int subclass. The math.gcd() function is now used to normalize the numerator and denominator. math.gcd() always return a int type. Previously, the GCD type depended on numerator and denominator. 07 February 2020, 22:42:51 UTC
60ac6ed bpo-39573: Use Py_SET_SIZE() function (GH-18402) Replace direct acccess to PyVarObject.ob_size with usage of the Py_SET_SIZE() function. 07 February 2020, 22:18:08 UTC
de6f38d bpo-39502: Fix 64-bit Python PyTime_localtime() on AIX (GH-18285) Fix time.localtime() on 64-bit AIX to support years before 1902 and after 2038. 07 February 2020, 17:56:16 UTC
b10dc3e bpo-39573: Add Py_SET_SIZE() function (GH-18400) Add Py_SET_SIZE() function to set the size of an object. 07 February 2020, 11:05:12 UTC
877ea88 bpo-38644: Add Py_EnterRecursiveCall() to python3.def (GH-18399) Add Py_EnterRecursiveCall and Py_LeaveRecursiveCall functions to python3.def. 07 February 2020, 10:22:54 UTC
c65b320 bpo-39573: Use Py_TYPE() macro in object.c (GH-18398) Replace direct acccess to PyVarObject.ob_size with usage of the Py_SIZE() macro. 07 February 2020, 10:18:33 UTC
bec4186 bpo-35134: Create Include/cpython/listobject.h (GH-18395) Move listobject.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/listobject.h header file. Add cpython/ header files to Makefile.pre.in and pythoncore project of PCbuild. Add _PyList_CAST() macro. 07 February 2020, 08:20:21 UTC
d2ec81a bpo-39573: Add Py_SET_TYPE() function (GH-18394) Add Py_SET_TYPE() function to set the type of an object. 07 February 2020, 08:17:07 UTC
daa9756 bpo-39573: Use Py_TYPE() macro in Modules directory (GH-18393) Replace direct access to PyObject.ob_type with Py_TYPE(). 07 February 2020, 02:37:06 UTC
58ac700 bpo-39573: Use Py_TYPE() macro in Objects directory (GH-18392) Replace direct access to PyObject.ob_type with Py_TYPE(). 07 February 2020, 02:04:21 UTC
a102ed7 bpo-39573: Use Py_TYPE() macro in Python and Include directories (GH-18391) Replace direct access to PyObject.ob_type with Py_TYPE(). 07 February 2020, 01:24:48 UTC
38aaaaa bpo-39491: Mention Annotated in get_origin() docstring (GH-18379) I forgot to do it in https://github.com/python/cpython/pull/18260. 07 February 2020, 01:15:12 UTC
0d76d2b bpo-39573: Use Py_TYPE() in abstract.c (GH-18390) Replace direct access to PyObject.ob_type with Py_TYPE(). 07 February 2020, 00:53:23 UTC
f95cd19 bpo-39571: Fix clang warning on PyTypeObject typedef (GH-18385) Only define PyTypeObject type once. 07 February 2020, 00:43:25 UTC
c86a112 bpo-39573: Add Py_SET_REFCNT() function (GH-18389) Add a Py_SET_REFCNT() function to set the reference counter of an object. 07 February 2020, 00:24:29 UTC
a93c51e bpo-39573: Use Py_REFCNT() macro (GH-18388) Replace direct acccess to PyObject.ob_refcnt with usage of the Py_REFCNT() macro. 06 February 2020, 23:38:59 UTC
446463f bpo-39534: Doc: Clarify return in finally (GH-18324) 06 February 2020, 22:16:48 UTC
227af8e What's New in Python 3.9: sort improved modules (GH-18383) 06 February 2020, 22:03:01 UTC
2844336 bpo-39542: Document limited C API changes (GH-18378) 06 February 2020, 21:41:34 UTC
427c84f bpo-39274: Ensure Fraction.__bool__() returns a bool (GH-18017) Some numerator types used (specifically NumPy) decides to not return a Python boolean for the "a != b" operation. Using the equivalent call to bool() guarantees a bool return also for such types. 06 February 2020, 14:54:05 UTC
3f563ce bpo-39245: Make Vectorcall C API public (GH-17893) * Add backcompat defines and move non-limited API declaration to cpython/ This partially reverts commit 2ff58a24e8a1c7e290d025d69ebaea0bbead3b8c which added PyObject_CallNoArgs to the 3.9+ stable ABI. This should not be done; there are enough other call APIs in the stable ABI to choose from. * Adjust documentation Mark all newly public functions as added in 3.9. Add a note about the 3.8 provisional names. Add notes on public API. * Put PyObject_CallNoArgs back in the limited API * Rename PyObject_FastCallDict to PyObject_VectorcallDict 06 February 2020, 14:48:27 UTC
d2f9667 bpo-38823: Fix refleaks in _ast initialization error path (GH-17276) 06 February 2020, 14:45:46 UTC
54b4f14 bpo-38149: Call sys.audit() only once per call for glob.glob(). (GH-18360) 06 February 2020, 08:26:37 UTC
ab0d892 bpo-39555: Fix distutils test to handle _d suffix on Windows debug build (GH-18357) 06 February 2020, 04:48:10 UTC
3d06953 bpo-39127: Make _Py_HashPointer's argument be const (GH-17690) 05 February 2020, 21:09:57 UTC
8b6f652 bpo-39559: Remove unused, undocumented argument from uuid.getnode (GH-18369) 05 February 2020, 20:43:09 UTC
58f4e1a bpo-39542: Declare _Py_AddToAllObjects() in pycore_object.h (GH-18368) _Py_AddToAllObjects() is used in bltinmodule.c and typeobject.c when Py_TRACE_REFS is defined. Fix Py_TRACE_REFS build. 05 February 2020, 17:24:33 UTC
b39fb8e bpo-39488: Skip test_largefile tests if not enough disk space (GH-18261) 05 February 2020, 17:20:52 UTC
bf305cc Add PyInterpreterState.fs_codec.utf8 (GH-18367) Add a fast-path for UTF-8 encoding in PyUnicode_EncodeFSDefault() and PyUnicode_DecodeFSDefaultAndSize(). Add _PyUnicode_FiniEncodings() helper function for _PyUnicode_Fini(). 05 February 2020, 16:39:57 UTC
0e4e735 bpo-39542: Define PyTypeObject earlier in object.h (GH-18366) Replace "struct _typeobject" with PyTypeObject in object.h. 05 February 2020, 14:10:39 UTC
509dd90 bpo-39542: Convert PyType_Check() to static inline function (GH-18364) Convert PyType_HasFeature(), PyType_Check() and PyType_CheckExact() macros to static inline functions. 05 February 2020, 13:24:17 UTC
f58bd7c bpo-39542: Make PyObject_INIT() opaque in limited C API (GH-18363) In the limited C API, PyObject_INIT() and PyObject_INIT_VAR() are now defined as aliases to PyObject_Init() and PyObject_InitVar() to make their implementation opaque. It avoids to leak implementation details in the limited C API. Exclude the following functions from the limited C API, move them from object.h to cpython/object.h: * _Py_NewReference() * _Py_ForgetReference() * _PyTraceMalloc_NewReference() * _Py_GetRefTotal() 05 February 2020, 12:12:19 UTC
0fa4f43 bpo-39542: Exclude trashcan from the limited C API (GH-18362) Exclude trashcan mechanism from the limited C API: it requires access to PyTypeObject and PyThreadState structure fields, whereas these structures are opaque in the limited C API. The trashcan mechanism never worked with the limited C API. Move it from object.h to cpython/object.h. 05 February 2020, 11:23:27 UTC
f16433a bpo-39543: Remove unused _Py_Dealloc() macro (GH-18361) The macro is defined after Py_DECREF() and so is no longer used by Py_DECREF(). Moving _Py_Dealloc() macro back from cpython/object.h to object.h would require to move a lot of definitions as well: PyTypeObject and many related types used by PyTypeObject. Keep _Py_Dealloc() as an opaque function call to avoid leaking implementation details in the limited C API (object.h): remove _Py_Dealloc() macro from cpython/object.h. 05 February 2020, 11:18:28 UTC
787b6d5 bpo-39505: delete the redundant '/' in $env:VIRTUAL_ENV (GH-18290) 05 February 2020, 08:16:58 UTC
b439a71 bpo-39553: Delete HAVE_SXS protected code (GH-18356) https://bugs.python.org/issue39553 Automerge-Triggered-By: @zooba 05 February 2020, 03:13:00 UTC
cf5b109 bpo-39491: Merge PEP 593 (typing.Annotated) support (#18260) * bpo-39491: Merge PEP 593 (typing.Annotated) support PEP 593 has been accepted some time ago. I got a green light for merging this from Till, so I went ahead and combined the code contributed to typing_extensions[1] and the documentation from the PEP 593 text[2]. My changes were limited to: * removing code designed for typing_extensions to run on older Python versions * removing some irrelevant parts of the PEP text when copying it over as documentation and otherwise changing few small bits to better serve the purpose * changing the get_type_hints signature to match reality (parameter names) I wasn't entirely sure how to go about crediting the authors but I used my best judgment, let me know if something needs changing in this regard. [1] https://github.com/python/typing/blob/8280de241fd8c8afe727c7860254b753e383b360/typing_extensions/src_py3/typing_extensions.py [2] https://github.com/python/peps/blob/17710b879882454d55f82c2d44596e8e9f8e4bff/pep-0593.rst 05 February 2020, 01:10:19 UTC
89ae20b bpo-39185 Add the d[etailed] and q[uiet] verbosity levels for msbuild (GH-17791) 05 February 2020, 00:30:19 UTC
95f6001 bpo-39184: Add audit events to command execution functions in os and pty modules (GH-17824) 05 February 2020, 00:15:00 UTC
40e547d bpo-39542: Make _Py_NewReference() opaque in C API (GH-18346) _Py_NewReference() becomes a regular opaque function, rather than a static inline function in the C API (object.h), to better hide implementation details. Move _Py_tracemalloc_config from public pymem.h to internal pycore_pymem.h header. Make _Py_AddToAllObjects() private. 05 February 2020, 00:11:10 UTC
2545fa8 Fix MinGW library generation command (GH-17917) To print the exports to stdout, the gendef command requires the option "-". Without this option, no output is generated. 05 February 2020, 00:10:16 UTC
cb1c074 closes bpo-39510: Fix use-after-free in BufferedReader.readinto() (GH-18295) When called on a closed object, readinto() segfaults on account of a write to a freed buffer: ==220553== Process terminating with default action of signal 11 (SIGSEGV): dumping core ==220553== Access not within mapped region at address 0x2A ==220553== at 0x48408A0: memmove (vg_replace_strmem.c:1272) ==220553== by 0x58DB0C: _buffered_readinto_generic (bufferedio.c:972) ==220553== by 0x58DCBA: _io__Buffered_readinto_impl (bufferedio.c:1053) ==220553== by 0x58DCBA: _io__Buffered_readinto (bufferedio.c.h:253) Reproducer: reader = open ("/dev/zero", "rb") _void = reader.read (42) reader.close () reader.readinto (bytearray (42)) ### BANG! The problem exists since 2012 when commit dc469454ec added code to free the read buffer on close(). Signed-off-by: Philipp Gesang <philipp.gesang@intra2net.com> 04 February 2020, 21:25:16 UTC
9538bc9 bpo-39432: Implement PEP-489 algorithm for non-ascii "PyInit_*" symbol names in distutils (GH-18150) Make it export the correct init symbol also on Windows. https://bugs.python.org/issue39432 04 February 2020, 15:24:30 UTC
850a4bd Restore PyObject_IsInstance() comment (GH-18345) Restore PyObject_IsInstance() comment explaining why only tuples of types are accepted, but not general sequence. Comment written by Guido van Rossum in commit 03290ecbf1661c0192e6abdbe00ae163af461d77 which implements isinstance(x, (A, B, ...)). The comment was lost in a PyObject_IsInstance() optimization: commit ec569b794737be248671d0dfac11b664fc930eef. Cleanup also the code. recursive_isinstance() is no longer recursive, so rename it to object_isinstance(), whereas object_isinstance() is recursive and so rename it to object_recursive_isinstance(). 04 February 2020, 12:42:13 UTC
4590f72 bpo-38076 Clear the interpreter state only after clearing module globals (GH-18039) Currently, during runtime destruction, `_PyImport_Cleanup` is clearing the interpreter state before clearing out the modules themselves. This leads to a segfault on modules that rely on the module state to clear themselves up. For example, let's take the small snippet added in the issue by @DinoV : ``` import _struct class C: def __init__(self): self.pack = _struct.pack def __del__(self): self.pack('I', -42) _struct.x = C() ``` The module `_struct` uses the module state to run `pack`. Therefore, the module state has to be alive until after the module has been cleared out to successfully run `C.__del__`. This happens at line 606, when `_PyImport_Cleanup` calls `_PyModule_Clear`. In fact, the loop that calls `_PyModule_Clear` has in its comments: > Now, if there are any modules left alive, clear their globals to minimize potential leaks. All C extension modules actually end up here, since they are kept alive in the interpreter state. That means that we can't clear the module state (which is used by C Extensions) before we run that loop. Moving `_PyInterpreterState_ClearModules` until after it, fixes the segfault in the code snippet. Finally, this updates a test in `io` to correctly assert the error that it now throws (since it now finds the io module state). The test that uses this is: `test_create_at_shutdown_without_encoding`. Given this test is now working is a proof that the module state now stays alive even when `__del__` is called at module destruction time. Thus, I didn't add a new tests for this. https://bugs.python.org/issue38076 04 February 2020, 10:29:25 UTC
b6999e5 add whatsnew that was missed from 31d6de5aba009914efa8f0f3c3d7da35217578eb (#18344) 04 February 2020, 08:05:25 UTC
5807efd bpo-38558: Link to further docs from walrus operator mention in tutorial (GH-16973) 03 February 2020, 17:11:19 UTC
49932fe bpo-39542: Simplify _Py_NewReference() (GH-18332) * Remove _Py_INC_REFTOTAL and _Py_DEC_REFTOTAL macros: modify directly _Py_RefTotal. * _Py_ForgetReference() is no longer defined if the Py_TRACE_REFS macro is not defined. * Remove _Py_NewReference() implementation from object.c: unify the two implementations in object.h inline function. * Fix Py_TRACE_REFS build: _Py_INC_TPALLOCS() macro has been removed. 03 February 2020, 16:55:04 UTC
24e5ad4 Fixes in sorting descriptions (GH-18317) Improvements in listsort.txt and a comment in sortperf.py. Automerge-Triggered-By: @csabella 03 February 2020, 16:47:20 UTC
4b52416 bpo-39542: Move object.h debug functions to internal C API (GH-18331) Move the following functions from the public C API to the internal C API: * _PyDebug_PrintTotalRefs(), * _Py_PrintReferenceAddresses() * _Py_PrintReferences() 03 February 2020, 16:28:26 UTC
c6e5c11 bpo-39489: Remove COUNT_ALLOCS special build (GH-18259) Remove: * COUNT_ALLOCS macro * sys.getcounts() function * SHOW_ALLOC_COUNT code in listobject.c * SHOW_TRACK_COUNT code in tupleobject.c * PyConfig.show_alloc_count field * -X showalloccount command line option * @test.support.requires_type_collecting decorator 03 February 2020, 14:17:15 UTC
869c0c9 bpo-36051: Fix compiler warning. (GH-18325) 03 February 2020, 10:03:34 UTC
032de73 bpo-39450 Stripped whitespace before parsing the docstring in TestCase.shortDescription (GH-18175) 03 February 2020, 07:06:50 UTC
0f2f35e bpo-39492: Fix a reference cycle between reducer_override and a Pickler instance (GH-18266) This also needs a backport to 3.8 https://bugs.python.org/issue39492 Automerge-Triggered-By: @pitrou 02 February 2020, 18:55:21 UTC
339fd46 bpo-39349: Add *cancel_futures* to Executor.shutdown() (GH-18057) 02 February 2020, 12:49:00 UTC
be8147b Fix 5-space indentation and trailing whitespace (GH-18311) 02 February 2020, 11:37:02 UTC
78c7183 bpo-39496: Remove redundant checks from _sqlite/cursor.c (GH-18270) 01 February 2020, 20:45:34 UTC
b94737a fixes typos in http.client documentation (#18300) 01 February 2020, 12:31:00 UTC
90d9ba6 bpo-34793: Drop old-style context managers in asyncio.locks (GH-17533) 01 February 2020, 11:12:52 UTC
abb9a44 Update sum comment. (#18240) 01 February 2020, 11:08:34 UTC
4d96b46 bpo-39511: PyThreadState_Clear() calls on_delete (GH-18296) PyThreadState.on_delete is a callback used to notify Python when a thread completes. _thread._set_sentinel() function creates a lock which is released when the thread completes. It sets on_delete callback to the internal release_sentinel() function. This lock is known as Threading._tstate_lock in the threading module. The release_sentinel() function uses the Python C API. The problem is that on_delete is called late in the Python finalization, when the C API is no longer fully working. The PyThreadState_Clear() function now calls the PyThreadState.on_delete callback. Previously, that happened in PyThreadState_Delete(). The release_sentinel() function is now called when the C API is still fully working. 01 February 2020, 01:30:25 UTC
7dc1401 bpo-39511: Fix multiprocessing semlock_acquire() (GH-18298) The Python C API must not be used when the GIL is released: only access Py_None when the GIL is hold. 01 February 2020, 00:25:59 UTC
f03a8f8 bpo-37224: Improve test__xxsubinterpreters.DestroyTests (GH-18058) Adds an additional assertion check based on a race condition for `test__xxsubinterpreters.DestroyTests.test_still_running` discovered in the bpo issue. https://bugs.python.org/issue37224 31 January 2020, 20:07:09 UTC
58a4054 Doc: Fix s/pseudo random/pseudo-random/ (GH-18289) 31 January 2020, 09:50:14 UTC
bfdeaa3 bpo-38792: Remove IDLE shell calltip before new prompt. (#17150) Previously, a calltip might be left after SyntaxError, KeyboardInterrupt, or Shell Restart. Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu> Co-authored-by: Tal Einat <taleinat+github@gmail.com> 31 January 2020, 01:55:42 UTC
46874c2 bpo-39487: Merge duplicated _Py_IDENTIFIER identifiers in C code (GH-18254) Moving repetitive `_Py_IDENTIFIER` instances to a global location helps identify them more easily in regards to sub-interpreter support. 30 January 2020, 23:20:25 UTC
c232c91 bpo-39502: Skip test_zipfile.test_add_file_after_2107() on AIX (GH-18282) Skip test_zipfile.test_add_file_after_2107() if time.localtime() fails with OverflowError. It is the case on AIX 6.1 for example. 30 January 2020, 14:47:53 UTC
8d49f7c bpo-39434: Improve float __floordiv__ performance and error message (GH-18147) 30 January 2020, 13:23:15 UTC
2a4903f bpo-38631: Add _Py_NO_RETURN to functions calling Py_FatalError() (GH-18278) Add _Py_NO_RETURN to functions calling Py_FatalError(): * _PyObject_AssertFailed() * dummy_dealloc() * faulthandler_fatal_error_thread() * none_dealloc() * notimplemented_dealloc() 30 January 2020, 12:09:11 UTC
17c68b8 bpo-38631: Replace Py_FatalError() with assert() in ceval.c (GH-18279) Replace a few Py_FatalError() calls if tstate is NULL with assert(tstate != NULL) in ceval.c. PyEval_AcquireThread(), PyEval_ReleaseThread() and PyEval_RestoreThread() must never be called with a NULL tstate. 30 January 2020, 11:20:48 UTC
ec3c99c bpo-38631: Avoid Py_FatalError() in unicodeobject.c (GH-18281) Replace Py_FatalError() calls with _PyErr_WriteUnraisableMsg(), _PyObject_ASSERT_FAILED_MSG() or Py_UNREACHABLE() in unicode_dealloc() and unicode_release_interned(). 30 January 2020, 11:18:32 UTC
38c878b bpo-39424: Use assertRaisesRegex instead of assertRaisesRegexp. (GH-18277) 30 January 2020, 10:26:22 UTC
1f44e77 bpo-39497: Remove unused variable from pysqlite_cursor_executescript (GH-18271) 30 January 2020, 09:39:25 UTC
c38fd0d bpo-39353: binascii.crc_hqx() is no longer deprecated (GH-18276) The binascii.crc_hqx() function is no longer deprecated. 30 January 2020, 08:56:40 UTC
2bf127d bpo-38631: Replace tp_new_wrapper() fatal error with SystemError (GH-18262) tp_new_wrapper() now raises a SystemError if called with non-type self, rather than calling Py_FatalError() which cannot be catched. 30 January 2020, 08:02:49 UTC
7a1f6c2 bpo-38631: Avoid Py_FatalError() in init_slotdefs() (GH-18263) Rename init_slotdefs() to _PyTypes_InitSlotDefs() and add a return value of type PyStatus. The function is now called exactly once from _PyTypes_Init(). Replace calls to init_slotdefs() with an assertion checking that slotdefs is initialized. 30 January 2020, 08:02:14 UTC
5eb8bff bpo-38631: Replace Py_FatalError() with _PyObject_ASSERT_FAILED_MSG() (GH-18258) Replace Py_FatalError() with _PyObject_ASSERT_FAILED_MSG() in object.c and typeobject.c to also dump the involved Python object on a fatal error. It should ease debug when such fatal error occurs. If the double linked list is inconsistent, _Py_ForgetReference() no longer dumps previous and next objects in the fatal error, it now only dumps the current object. It ensures that the error message is displayed even if dumping the object does crash Python. Enhance _Py_ForgetReference() error messages; _PyObject_ASSERT_FAILED_MSG() logs the "_Py_ForgetReference" function name. 30 January 2020, 08:01:07 UTC
188bb5b bpo-39494: Remove extra null terminators from kwlist vars (GH-18267) 30 January 2020, 04:12:53 UTC
2e6569b bpo-39493: Fix definition of IO.closed in typing.py (#18265) 30 January 2020, 02:52:36 UTC
d47d0c8 Improve grammar in the import system reference documentation (GH-18209) Replaced the period with a comma. Automerge-Triggered-By: @Mariatta 30 January 2020, 02:23:50 UTC
5428f48 Remove deadcode in _Py_inc_count() (GH-18257) (tp->tp_next != NULL) check became redundant with commit 45294a9562e5c360ee8ef8498d8792e05a6eb25e (merged in 2006). 29 January 2020, 18:22:11 UTC
db5e86a Get mock coverage back to 100% (GH-18228) * use the `: pass` and `: yield` patterns for code that isn't expected to ever be executed. * The _Call items passed to _AnyComparer are only ever of length two, so assert instead of if/else * fix typo * Fix bug, where stop-without-start patching dict blows up with `TypeError: 'NoneType' object is not iterable`, highlighted by lack of coverage of an except branch. * The fix for bpo-37972 means _Call.count and _Call.index are no longer needed. * add coverage for calling next() on a mock_open with readline.return_value set. * __aiter__ is defined on the Mock so the one on _AsyncIterator is never called. 29 January 2020, 16:24:54 UTC
a327677 bpo-39485: fix corner-case in method-detection of mock (GH-18252) Replace check for whether something is a method in the mock module. The previous version fails on PyPy, because there no method wrappers exist (everything looks like a regular Python-defined function). Thus the isinstance(getattr(result, '__get__', None), MethodWrapperTypes) check returns True for any descriptor, not just methods. This condition could also return erroneously True in CPython for C-defined descriptors. Instead to decide whether something is a method, just check directly whether it's a function defined on the class. This passes all tests on CPython and fixes the bug on PyPy. 29 January 2020, 15:43:37 UTC
3cb49b6 bpo-39460: Fix test_zipfile.test_add_file_after_2107() (GH-18247) XFS filesystem is limited to 32-bit timestamp, but the utimensat() syscall doesn't fail. Moreover, there is a VFS bug which returns a cached timestamp which is different than the value on disk. https://bugzilla.redhat.com/show_bug.cgi?id=1795576 https://bugs.python.org/issue39460#msg360952 29 January 2020, 14:23:29 UTC
35eac45 Doc: Fix external links to functional programming tutorial. (GH-18249) 29 January 2020, 13:10:54 UTC
e1e8000 bpo-39153: Clarify C API *SetItem refcounting semantics (GH-18220) Some of the *SetItem methods in the C API steal a reference to the given value. This annotates the better behaved ones to assure the reader that these are not the ones with the inconsistent behaviour. * 📜🤖 Added by blurb_it. * make docs consistent with signature Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com> 29 January 2020, 11:20:53 UTC
d07d9f4 bpo-36051: Drop GIL during large bytes.join() (GH-17757) Improve multi-threaded performance by dropping the GIL in the fast path of bytes.join. To avoid increasing overhead for small joins, it is only done if the output size exceeds a threshold. 29 January 2020, 07:09:24 UTC
6a65eba bpo-39401: Avoid unsafe DLL load on Windows 7 and earlier (GH-18231) As Windows 7 is not supported by Python 3.9, we just replace the dynamic load with a static import. Backports will have a different fix to ensure they continue to behave the same. 29 January 2020, 02:46:33 UTC
0cd5bff bpo-39459: include missing test files in windows installer Adds missing test files to Windows installer to wrap up bpo-39459 28 January 2020, 21:24:12 UTC
aabdeb7 bpo-38960: DTrace build fix for FreeBSD. (GH-17451) DTrace build fix for FreeBSD. - allowing passing an extra flag as it need to define the arch size. - casting some probe's arguments. 28 January 2020, 12:53:32 UTC
2cca8ef bpo-36350: inspect: Replace OrderedDict with dict. (GH-12412) 28 January 2020, 12:47:03 UTC
0be3246 bpo-39439: Fix multiprocessing spawn path in a venv on Windows (GH-18158) 28 January 2020, 10:34:23 UTC
148610d bpo-39287: Doc: Add UTF-8 mode section in using/windows. (GH-17935) Co-Authored-By: Kyle Stanley <aeros167@gmail.com> 28 January 2020, 10:12:31 UTC
13c1c35 bpo-39393: Misleading error message on dependent DLL resolution failure (GH-18093) 28 January 2020, 09:42:43 UTC
c45a2aa bpo-38883: Don't use POSIX `$HOME` in `pathlib.Path.home/expanduser` on Windows (GH-17961) In bpo-36264 os.path.expanduser was changed to ignore HOME on Windows. Path.expanduser/home still honored HOME despite being documented as behaving the same as os.path.expanduser. This makes them also ignore HOME so that both implementations behave the same way again. 28 January 2020, 09:41:50 UTC
61f4db8 bpo-38644: Pass tstate in ceval.c (GH-18222) Pass explicitly the Python thread state (tstate) in ceval.c. 28 January 2020, 02:37:45 UTC
01bf219 bpo-36018: Minor fixes to the NormalDist() examples and recipes. (GH-18226) * Change the source for the SAT data to a primary source. * Fix typo in the standard deviation * Clarify that the binomial probabalities are just for the Python room. 28 January 2020, 02:31:46 UTC
884eb89 bpo-39205: Tests that highlight a hang on ProcessPoolExecutor shutdown (#18221) 28 January 2020, 00:50:37 UTC
2824c45 bpo-39392: Turtle overlap fill depends on OS (#18223) Whether or not overlap regions for self-intersecting polygons or multiple shapes are filled depends on the operating system graphics, typeof overlap, and number of overlaps. 27 January 2020, 23:41:18 UTC
a278313 bpo-38631: Avoid Py_FatalError() in PyCode_New() (GH-18215) intern_strings() now raises a SystemError, rather than calling Py_FatalError(). intern_string_constants() now reports exceptions to the caller, rather than ignoring silently exceptions. 27 January 2020, 22:24:13 UTC
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