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* bpo-33166: Change os.cpu_count to return active (real) processors (GH-15949)Steve Dower2019-09-111-17/+3
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* bpo-38110: Use fdwalk for os.closerange() when available. (GH-15224)Jakub Kulík2019-09-111-0/+25
| | | Use fdwalk() on platforms that support it to implement os.closerange().
* bpo-37879: Suppress subtype_dealloc decref when base type is a C heap type ↵Eddie Elizondo2019-09-111-0/+220
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (GH-15323) The instance destructor for a type is responsible for preparing an instance for deallocation by decrementing the reference counts of its referents. If an instance belongs to a heap type, the type object of an instance has its reference count decremented while for static types, which are permanently allocated, the type object is unaffected by the instance destructor. Previously, the default instance destructor searched the class hierarchy for an inherited instance destructor and, if present, would invoke it. Then, if the instance type is a heap type, it would decrement the reference count of that heap type. However, this could result in the premature destruction of a type because the inherited instance destructor should have already decremented the reference count of the type object. This change avoids the premature destruction of the type object by suppressing the decrement of its reference count when an inherited, non-default instance destructor has been invoked. Finally, an assertion on the Py_SIZE of a type was deleted. Heap types have a non zero size, making this into an incorrect assertion. https://github.com/python/cpython/pull/15323
* bpo-37752: Delete redundant Py_CHARMASK in normalizestring() (GH-15095)Jordon Xu2019-09-103-6/+6
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* bpo-38073: Make pwd module PEP-384 compatible (GH-15790)Dino Viehland2019-09-101-16/+35
| | | | | | | | | | Makes the pwd module PEP-384 compatible https://bugs.python.org/issue38073 Automerge-Triggered-By: @tiran
* bpo-37499: Test various C calling conventions (GH-15776)Petr Viktorin2019-09-101-0/+164
| | | | | | | | | | Add functions with various calling conventions to `_testcapi`, expose them as module-level functions, bound methods, class methods, and static methods, and test calling them and introspecting them through GDB. https://bugs.python.org/issue37499 Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be> Automerge-Triggered-By: @pganssle
* bpo-38069: Convert _posixsubprocess to PEP-384 (GH-15780)Dino Viehland2019-09-101-8/+58
| | | | | | | | | | Summary: Eliminate uses of `_Py_IDENTIFIER` from `_posixsubprocess`, replacing them with interned strings. Also tries to find an existing version of the module, which will allow subinterpreters. https://bugs.python.org/issue38069
* bpo-38071: Make termios PEP-384 compatible (GH-15785)Dino Viehland2019-09-101-20/+47
| | | | Make the termios module PEP-384 compatible.
* bpo-38072: PEP-384 grpmodule (GH-15788)Dino Viehland2019-09-101-19/+40
| | | | Make the grp module PEP-384 compliant.
* Fix calling order of PyEval_InitThreads. (GH-4602)Kenta Murata2019-09-101-1/+1
| | | | As described in Doc/c-api/init.rst, PyEval_InitThreads() cannot be called before Py_Initialize() function.
* bpo-38074: Make zlib extension module PEP-384 compatible (GH-15792)Dino Viehland2019-09-101-73/+86
| | | | Updated zlibmodule.c to be PEP 384 compliant.
* bpo-38076: Make struct module PEP-384 compatible (#15805)Dino Viehland2019-09-101-147/+172
| | | | | | | | | | * PEP-384 _struct * More PEP-384 fixes for _struct Summary: Add a couple of more fixes for `_struct` that were previously missed such as removing `tp_*` accessors and using `PyBytesWriter` instead of calling `PyBytes_FromStringAndSize` with `NULL`. Also added a test to confirm that `iter_unpack` type is still uninstantiable. * 📜🤖 Added by blurb_it.
* bpo-37840: Fix handling of negative indices in bytearray_getitem() (GH-15250)Sergey Fedoseev2019-09-091-0/+13
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* bpo-35941: Fix performance regression in new code (GH-12610)Christian Heimes2019-09-091-28/+27
| | | | | | | | Accumulate certificates in a set instead of doing a costly list contain operation. A Windows cert store can easily contain over hundred certificates. The old code would result in way over 5,000 comparison operations Signed-off-by: Christian Heimes <christian@python.org>
* bpo-37649: Fix exec_prefix check (GH-14897)Orivej Desh2019-09-091-1/+1
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* bpo-36279: Ensure os.wait3() rusage is initialized (GH-15111)Zackery Spytz2019-09-091-0/+6
| | | Co-Authored-By: David Wilson <dw@botanicus.net>
* bpo-38070: visit_decref() calls _PyObject_IsFreed() (GH-15782)Victor Stinner2019-09-091-0/+2
| | | | | | In debug mode, visit_decref() now calls _PyObject_IsFreed() to ensure that the object is not freed. If it's freed, the program fails with an assertion error and Python dumps informations about the freed object.
* bpo-38037: Fix reference counters in signal module (GH-15753)animalize2019-09-091-8/+17
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* bpo-37702: Fix SSL's certificate-store leak on Windows (GH-15632)neonene2019-09-091-0/+1
| | | | | ssl_collect_certificates function in _ssl.c has a memory leak. Calling CertOpenStore() and CertAddStoreToCollection(), a store's refcnt gets incremented by 2. But CertCloseStore() is called only once and the refcnt leaves 1.
* bpo-37445: Include FORMAT_MESSAGE_IGNORE_INSERTS in FormatMessageW() calls ↵Zackery Spytz2019-09-092-2/+5
| | | | | (GH-14462) If FormatMessageW() is passed the FORMAT_MESSAGE_FROM_SYSTEM flag without FORMAT_MESSAGE_IGNORE_INSERTS, it will fail if there are insert sequences in the message definition.
* bpo-38043: Use `bool` for boolean flags on is_normalized_quickcheck. (GH-15711)Greg Price2019-09-091-11/+11
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* bpo-34410: Fix a crash in the tee iterator when re-enter it. (GH-15625)Serhiy Storchaka2019-09-091-0/+9
| | | | RuntimeError is now raised in this case.
* Revert "Raise a RuntimeError when tee iterator is consumed from different ↵Serhiy Storchaka2019-09-091-8/+0
| | | | | threads (GH-15567)" (GH-15736) This reverts commit fa220ec7633e9674baccc28dde987f29d7f65141.
* bpo-36946:Fix possible signed integer overflow when handling slices. (GH-15639)HongWeipeng2019-09-081-1/+2
| | | | This is a complement to PR 13375.
* Remove some unused defines in multiprocessing.h. (GH-15661)Sergey Fedoseev2019-09-071-10/+0
| | | | | It looks like they are unused since 87cf220972c9cb400ddcd577962883dcc5dca51a.
* bpo-37878: Remove PyThreadState_DeleteCurrent() function (GH-15315)Joannah Nanjekye2019-09-052-4/+9
| | | | | | | * Rename PyThreadState_DeleteCurrent() to _PyThreadState_DeleteCurrent() * Move it to the internal C API Co-Authored-By: Carol Willing <carolcode@willingconsulting.com>
* bpo-38030: Fix os.stat failures on block devices on Windows (GH-15681)Steve Dower2019-09-041-6/+13
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* closes bpo-37966: Fully implement the UAX #15 quick-check algorithm. (GH-15558)Greg Price2019-09-041-24/+51
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The purpose of the `unicodedata.is_normalized` function is to answer the question `str == unicodedata.normalized(form, str)` more efficiently than writing just that, by using the "quick check" optimization described in the Unicode standard in UAX #15. However, it turns out the code doesn't implement the full algorithm from the standard, and as a result we often miss the optimization and end up having to compute the whole normalized string after all. Implement the standard's algorithm. This greatly speeds up `unicodedata.is_normalized` in many cases where our partial variant of quick-check had been returning MAYBE and the standard algorithm returns NO. At a quick test on my desktop, the existing code takes about 4.4 ms/MB (so 4.4 ns per byte) when the partial quick-check returns MAYBE and it has to do the slow normalize-and-compare: $ build.base/python -m timeit -s 'import unicodedata; s = "\uf900"*500000' \ -- 'unicodedata.is_normalized("NFD", s)' 50 loops, best of 5: 4.39 msec per loop With this patch, it gets the answer instantly (58 ns) on the same 1 MB string: $ build.dev/python -m timeit -s 'import unicodedata; s = "\uf900"*500000' \ -- 'unicodedata.is_normalized("NFD", s)' 5000000 loops, best of 5: 58.2 nsec per loop This restores a small optimization that the original version of this code had for the `unicodedata.normalize` use case. With this, that case is actually faster than in master! $ build.base/python -m timeit -s 'import unicodedata; s = "\u0338"*500000' \ -- 'unicodedata.normalize("NFD", s)' 500 loops, best of 5: 561 usec per loop $ build.dev/python -m timeit -s 'import unicodedata; s = "\u0338"*500000' \ -- 'unicodedata.normalize("NFD", s)' 500 loops, best of 5: 512 usec per loop
* bpo-38020: Fixes crash in os.readlink() on Windows (GH-15663)Steve Dower2019-09-031-2/+2
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* bpo-37798: Fix _statistics module doc (GH-15546)Dong-hee Na2019-09-031-1/+4
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* bpo-15999: Clean up of handling boolean arguments. (GH-15610)Serhiy Storchaka2019-09-016-23/+20
| | | | | | * Use the 'p' format unit instead of manually called PyObject_IsTrue(). * Pass boolean value instead 0/1 integers to functions that needs boolean. * Convert some arguments to boolean only once.
* bpo-15999: Always pass bool instead of int to socket.setblocking(). (GH-15621)Serhiy Storchaka2019-09-011-1/+1
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* bpo-37994: Fix silencing all errors if an attribute lookup fails. (GH-15630)Serhiy Storchaka2019-09-015-22/+28
| | | Only AttributeError should be silenced.
* bpo-36543: Remove old-deprecated ElementTree features. (GH-12707)Serhiy Storchaka2019-09-012-114/+1
| | | | | Remove methods Element.getchildren(), Element.getiterator() and ElementTree.getiterator() and the xml.etree.cElementTree module.
* bpo-37990: fix gc stats (GH-15626)Inada Naoki2019-08-311-2/+3
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* Fix typos mostly in comments, docs and test names (GH-15209)Min ho Kim2019-08-308-11/+11
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* bpo-37140: Fix StructUnionType_paramfunc() (GH-15612)Victor Stinner2019-08-301-14/+59
| | | | | | | | | | | | Fix a ctypes regression of Python 3.8. When a ctypes.Structure is passed by copy to a function, ctypes internals created a temporary object which had the side effect of calling the structure finalizer (__del__) twice. The Python semantics requires a finalizer to be called exactly once. Fix ctypes internals to no longer call the finalizer twice. Create a new internal StructParam_Type which is only used by _ctypes_callproc() to call PyMem_Free(ptr) on Py_DECREF(argument). StructUnionType_paramfunc() creates such object.
* bpo-37976: Prevent shadowing of TypeError in zip() (GH-15592)Sergey Fedoseev2019-08-301-4/+0
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* bpo-37933: Fix faulthandler.cancel_dump_traceback_later() (GH-15440)Thomas A Caswell2019-08-291-0/+5
| | | | Fix faulthandler.cancel_dump_traceback_later() call if cancel_dump_traceback_later() was not called previously.
* bpo-37034: Display argument name on errors with keyword arguments with ↵Rémi Lapeyre2019-08-2939-332/+332
| | | | Argument Clinic. (GH-13593)
* bpo-36833: Add tests for Datetime C API Macros (GH-14842)Joannah Nanjekye2019-08-291-0/+53
| | | | Added tests for PyDateTime_xxx_GET_xxx() macros of the C API of the datetime module.
* bpo-37372: Fix error unpickling datetime.time objects from Python 2 with ↵Justin Blanchard2019-08-291-1/+1
| | | | seconds>=24. (GH-14307)
* bpo-37960: Silence only necessary errors in repr() of buffered and text ↵Serhiy Storchaka2019-08-292-18/+16
| | | | streams. (GH-15543)
* Raise a RuntimeError when tee iterator is consumed from different threads ↵HongWeipeng2019-08-291-0/+8
| | | | (GH-15567)
* closes bpo-37964: add F_GETPATH command to fcntl (GH-15550)Vinay Sharma2019-08-291-0/+3
| | | | | | | https://bugs.python.org/issue37964 Automerge-Triggered-By: @benjaminp
* bpo-37951: Lift subprocess's fork() restriction (GH-15544)Christian Heimes2019-08-271-2/+4
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* bpo-36205: Fix the rusage implementation of time.process_time() (GH-15538)vrajivk2019-08-271-1/+1
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* bpo-37798: Minor code formatting and comment clean-ups. (GH-15526)Raymond Hettinger2019-08-261-13/+22
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* bpo-37055: fix warnings in _blake2 module (GH-14646)Inada Naoki2019-08-263-19/+0
| | | | | | | https://bugs.python.org/issue37055 Automerge-Triggered-By: @tiran
* bpo-37942: Improve argument clinic float converter (GH-15470)Raymond Hettinger2019-08-255-92/+266
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