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* bpo-1635741: Port _functools module to multiphase initialization (PEP 489) ↵Paulo Henrique Silva2020-03-252-28/+34
| | | | (GH-19151)
* bpo-1635741: Port operator module to multiphase initialization (PEP 489) ↵Paulo Henrique Silva2020-03-252-23/+28
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* bpo-36144: Add union operators to WeakValueDictionary584 (#19127)Curtis Bucher2020-03-254-0/+60
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* bpo-40024: Update C extension modules to use PyModule_AddType() (GH-19119)Dong-hee Na2020-03-2412-134/+67
| | | | | | Update _asyncio, _bz2, _csv, _curses, _datetime, _io, _operator, _pickle, _queue, blake2, multibytecodec and overlapped C extension modules to use PyModule_AddType().
* bpo-40029 mark test_importlib.test_zip as requiring zlib (#19105)Roman Yurchak2020-03-241-0/+4
| | | | | * bpo-40029 mark test_importlib.test_zip as requiring zlib * Decorate TestZip / TestEgg classes as requiring zlib
* bpo-1635741: Port _weakref extension module to multiphase initialization ↵Victor Stinner2020-03-242-21/+38
| | | | | (PEP 489) (GH-19140) Co-authored-by: Hai Shi <shihai1992@gmail.com>
* bpo-40014: Fix os.getgrouplist() (GH-19126)Victor Stinner2020-03-242-25/+29
| | | | | | | | Fix os.getgrouplist(): if getgrouplist() function fails because the group list is too small, retry with a larger group list. On failure, the glibc implementation of getgrouplist() sets ngroups to the total number of groups. For other implementations, double the group list size.
* bpo-40013: Clarify documentation of restval in csv.DictReader (GH-19099)Juhana Jauhiainen2020-03-241-1/+2
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* bpo-40050: Fix importlib._bootstrap_external (GH-19135)Victor Stinner2020-03-243-1757/+1745
| | | | | | Remove two unused imports: _thread and _weakref. Avoid creating a new winreg builtin module if it's already available in sys.modules. The winreg module is now stored as "winreg" rather than "_winreg".
* Clarify a guarantee of the logging module. (GH-19132)Gregory P. Smith2020-03-241-0/+1
| | | | When no additional arguments are passed to logging.debug() and related methods, no % operation is performed on the passed in message.
* bpo-20526: Fix PyThreadState_Clear(): don't decref frame (GH-19120)Victor Stinner2020-03-244-30/+14
| | | | | | | | PyThreadState.frame is a borrowed reference, not a strong reference: PyThreadState_Clear() must not call Py_CLEAR(tstate->frame). Remove test_threading.test_warnings_at_exit(): we cannot warranty that the Python thread state of daemon threads is cleared in a reliable way during Python shutdown.
* bpo-39689: Do not use native packing for format "?" with standard size ↵Stefan Krah2020-03-241-0/+3
| | | | (GH-18969)
* closes bpo-40017: Add CLOCK_TAI constant to the time module. (GH-19096)Russell Owen2020-03-243-1/+16
| | | Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Updated documentation for FOR_ITER (GH-19113)laike9m2020-03-241-1/+1
| | | Added a comma to make the sentence less confusing.
* Revert "bpo-1635741: Port _weakref extension module to multiphase ↵Victor Stinner2020-03-231-37/+21
| | | | | | initialization (PEP 489) (GH-19084)" (#19128) bpo-1635741, bpo-40050: This reverts commit 8334f30a74abcf7e469b901afc307887aa85a888.
* Post 3.9.0a5Łukasz Langa2020-03-231-1/+1
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* Merge tag 'v3.9.0a5'Łukasz Langa2020-03-23129-315/+1381
|\ | | | | | | Python 3.9.0a5
| * Python 3.9.0a5v3.9.0a5Łukasz Langa2020-03-23129-315/+1381
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* | bpo-36144: Add union operators to WeakKeyDictionary (#19106)Curtis Bucher2020-03-234-0/+60
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* | bpo-40036: Deleting duplicates in itertoolsmodule.c (GH-18958)AlphaHot2020-03-231-26/+0
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* | bpo-36144: Add PEP 584 operators to collections.ChainMap (#18832)Curtis Bucher2020-03-235-0/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Update ChainMap to include | and |= Created __ior__, __or__ and __ror__ methods in ChainMap class. * Update ACKS * Update docs * Update test_collections.py to include test_issue584(). Added testing for | and |= operators for ChainMap objects. * Update test_union_operators Renamed test_union operators, fixed errors and style problems raised by brandtbucher. * Update test_union_operators in TestChainMap Added testing for union operator between ChainMap and iterable of key-value pairs. * Update test_union operators in test_collections.py Gave more descriptive variable names and eliminated unnecessary tmp variable. * Update test_union_operators in test_collections.py Added cm3 * Check .maps rather than Chainmap equality. * Add news entry * Update Lib/test/test_collections.py Co-Authored-By: Brandt Bucher <brandtbucher@gmail.com> * Removed whitespace * Added Guido's changes * Fixed Docs * Removed whitespace Co-authored-by: Brandt Bucher <brandtbucher@gmail.com>
* | bpo-40014: Fix os.getgrouplist() on macOS (GH-19118)Victor Stinner2020-03-232-0/+22
| | | | | | | | | | On macOS, getgrouplist() returns a non-zero value without setting errno if the group list is too small. Double the list size and call it again in this case.
* | bpo-1635741: Port time module to multiphase initialization (PEP 489) (GH-19107)Paulo Henrique Silva2020-03-232-51/+54
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* bpo-39830: Add zipfile.Path to __all__ (GH-19115)Zackery Spytz2020-03-232-1/+3
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* bpo-39999: Improve compatibility of the ast module. (GH-19056)Serhiy Storchaka2020-03-2210-22/+49
| | | | | | | * Re-add removed classes Suite, slice, Param, AugLoad and AugStore. * Add docstrings for dummy classes. * Add docstrings for attribute aliases. * Set __module__ to "ast" instead of "_ast".
* bpo-22490: Remove __PYVENV_LAUNCHER__ from environment during launch (GH-9516)Ronald Oussoren2020-03-225-1/+34
| | | | | | | | | | | | | | | | | | | | | * bpo-22490: Remove "__PYVENV_LAUNCHER__" from the shell environment on macOS This changeset removes the environment varialbe "__PYVENV_LAUNCHER__" during interpreter launch as it is only needed to communicate between the stub executable in framework installs and the actual interpreter. Leaving the environment variable present may lead to misbehaviour when launching other scripts. * Actually commit the changes for issue 22490... * Correct typo Co-Authored-By: Nicola Soranzo <nicola.soranzo@gmail.com> * Run make patchcheck Co-authored-by: Jason R. Coombs <jaraco@jaraco.com> Co-authored-by: Nicola Soranzo <nicola.soranzo@gmail.com>
* bpo-40024: Add PyModule_AddType() helper function (GH-19088)Dong-hee Na2020-03-2210-42/+52
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* bpo-36543: Remove the xml.etree.cElementTree module. (GH-19108)Serhiy Storchaka2020-03-222-18/+0
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* bpo-39652: Truncate the column name after '[' only if PARSE_COLNAMES is set. ↵Serhiy Storchaka2020-03-215-14/+32
| | | | (GH-18942)
* bpo-24916: Remove an outdated comment. (GH-19101)Serhiy Storchaka2020-03-211-2/+0
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* bpo-39946: Remove _PyThreadState_GetFrame (GH-19094)Victor Stinner2020-03-207-34/+14
| | | | | Remove _PyRuntime.getframe hook and remove _PyThreadState_GetFrame macro which was an alias to _PyRuntime.getframe. They were only exposed by the internal C API. Remove also PyThreadFrameGetter type.
* bpo-39947: Add PyThreadState_GetFrame() function (GH-19092)Victor Stinner2020-03-206-5/+33
| | | | Add PyThreadState_GetFrame() function: get the current frame of a Python thread state.
* bpo-40010: Optimize pending calls in multithreaded applications (GH-19091)Victor Stinner2020-03-203-6/+22
| | | | | | | | | | | | | | | If a thread different than the main thread schedules a pending call (Py_AddPendingCall()), the bytecode evaluation loop is no longer interrupted at each bytecode instruction to check for pending calls which cannot be executed. Only the main thread can execute pending calls. Previously, the bytecode evaluation loop was interrupted at each instruction until the main thread executes pending calls. * Add _Py_ThreadCanHandlePendingCalls() function. * SIGNAL_PENDING_CALLS() now only sets eval_breaker to 1 if the current thread can execute pending calls. Only the main thread can execute pending calls.
* bpo-40010: COMPUTE_EVAL_BREAKER() checks for subinterpreter (GH-19087)Victor Stinner2020-03-205-53/+49
| | | | | | | | | COMPUTE_EVAL_BREAKER() now also checks if the Python thread state belongs to the main interpreter. Don't break the evaluation loop if there are pending signals but the Python thread state it belongs to a subinterpeter. * Add _Py_IsMainThread() function. * Add _Py_ThreadCanHandleSignals() function.
* bpo-40010: Pass tstate to ceval GIL functions (GH-19077)Victor Stinner2020-03-202-138/+199
| | | | * Add eval_frame_handle_pending() helper function: cold code path. * Fix PyEval_ReleaseLock(): don't dereference tstate if it's NULL.
* bpo-1635741: Port _weakref extension module to multiphase initialization ↵Hai Shi2020-03-202-21/+38
| | | | (PEP 489) (GH-19084)
* bpo-39797 Changes to socketserver.BaseServer's shutdown() method. (GH-18929)amaajemyfren2020-03-201-0/+2
| | | Automerge-Triggered-By: @ned-deily
* bpo-40019: Skip test_gdb if Python was optimized (GH-19081)Victor Stinner2020-03-203-7/+20
| | | | test_gdb now skips tests if it detects that gdb failed to read debug information because the Python binary is optimized.
* bpo-39877: 4th take_gil() fix for daemon threads (GH-19080)Victor Stinner2020-03-191-22/+23
| | | | bpo-39877, bpo-40010: Add a third tstate_must_exit() check in take_gil() to prevent using tstate which has been freed.
* Fix "versionchanged" for pow named arguments (GH-19042)Mark Dickinson2020-03-191-1/+1
| | | The ability to use named arguments in "pow" was introduced in Python 3.8, not Python 3.9. See https://bugs.python.org/issue38237
* bpo-39824: Convert PyModule_GetState() to get_module_state() (GH-19076)Hai Shi2020-03-192-8/+8
| | | Automerge-Triggered-By: @vstinner
* bpo-40010: Optimize signal handling in multithreaded applications (GH-19067)Victor Stinner2020-03-194-4/+41
| | | | | | | | | | | | | | | If a thread different than the main thread gets a signal, the bytecode evaluation loop is no longer interrupted at each bytecode instruction to check for pending signals which cannot be handled. Only the main thread of the main interpreter can handle signals. Previously, the bytecode evaluation loop was interrupted at each instruction until the main thread handles signals. Changes: * COMPUTE_EVAL_BREAKER() and SIGNAL_PENDING_SIGNALS() no longer set eval_breaker to 1 if the current thread cannot handle signals. * take_gil() now always recomputes eval_breaker.
* bpo-1635741: Port _collections module to multiphase initialization (GH-19074)Dong-hee Na2020-03-192-42/+43
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* bpo-39562: Allow executing asynchronous comprehensions in the asyncio REPL ↵Batuhan Taşkaya2020-03-193-3/+15
| | | | | (GH-18968) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-40000: Improve error messages when validating invalid ast.Constant nodes ↵Batuhan Taşkaya2020-03-193-3/+16
| | | | | (GH-19055) Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-39984: Move pending calls to PyInterpreterState (GH-19066)Victor Stinner2020-03-198-82/+127
| | | | | | | | | | | | | | | | | If Py_AddPendingCall() is called in a subinterpreter, the function is now scheduled to be called from the subinterpreter, rather than being called from the main interpreter. Each subinterpreter now has its own list of scheduled calls. * Move pending and eval_breaker fields from _PyRuntimeState.ceval to PyInterpreterState.ceval. * new_interpreter() now calls _PyEval_InitThreads() to create pending calls lock. * Fix Py_AddPendingCall() for subinterpreters. It now calls _PyThreadState_GET() which works in a subinterpreter if the caller holds the GIL, and only falls back on PyGILState_GetThisThreadState() if _PyThreadState_GET() returns NULL.
* Remove unused variable to fix compiler warning in _threadmodule.c (GH-19064)Pablo Galindo2020-03-181-2/+0
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* bpo-39220: Do not optimise annotation if 'from __future__ import ↵Pablo Galindo2020-03-185-40/+67
| | | | | | annotations' is used (GH-17866) Do not apply AST-based optimizations if 'from __future__ import annotations' is used in order to prevent information lost in the final version of the annotations.
* bpo-39984: trip_signal() uses PyGILState_GetThisThreadState() (GH-19061)Victor Stinner2020-03-183-13/+19
| | | | | | | | | | | bpo-37127, bpo-39984: * trip_signal() and Py_AddPendingCall() now get the current Python thread state using PyGILState_GetThisThreadState() rather than _PyRuntimeState_GetThreadState() to be able to get it even if the GIL is released. * _PyEval_SignalReceived() now expects tstate rather than ceval. * Remove ceval parameter of _PyEval_AddPendingCall(): ceval is now get from tstate parameter.
* bpo-37207: Use PEP 590 vectorcall to speed up frozenset() (GH-19053)Dong-hee Na2020-03-182-18/+52
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