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* 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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* bpo-27807: Skip test_site.test_startup_imports() if pth file (GH-19060)Victor Stinner2020-03-182-4/+25
| | | | | | test_site.test_startup_imports() is now skipped if a path of sys.path contains a .pth file. Sort test_site imports.
* bpo-1635741: Port _heapq module to multiphase initialization (GH19057)Dong-hee Na2020-03-182-12/+20
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* bpo-39984: Pass tstate to _PyEval_SignalAsyncExc() (GH-19049)Victor Stinner2020-03-185-26/+30
| | | | _PyEval_SignalAsyncExc() and _PyEval_FiniThreads() now expect tstate, instead of ceval.
* bpo-39957: Change Signature.parameters to OrderedDict (GH-18988)Jens Reidel2020-03-182-5/+10
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* bpo-39877: Fix take_gil() for daemon threads (GH-19054)Victor Stinner2020-03-181-2/+6
| | | | bpo-39877, bpo-39984: If the thread must exit, don't access tstate to prevent a potential crash: tstate memory has been freed.
* bpo-39984: _PyThreadState_DeleteCurrent() takes tstate (GH-19051)Victor Stinner2020-03-186-32/+47
| | | | | | | | | | * _PyThreadState_DeleteCurrent() now takes tstate rather than runtime. * Add ensure_tstate_not_null() helper to pystate.c. * Add _PyEval_ReleaseLock() function. * _PyThreadState_DeleteCurrent() now calls _PyEval_ReleaseLock(tstate) and frees PyThreadState memory after this call, not before. * PyGILState_Release(): rename "tcur" variable to "tstate".
* bpo-39984: Pass tstate to handle_signals() (GH-19050)Victor Stinner2020-03-181-11/+15
| | | | handle_signals() and make_pending_calls() now expect tstate rather than runtime.
* bpo-38373: Change list overallocating strategy. (GH-18952)Serhiy Storchaka2020-03-172-6/+10
| | | | | * Add padding to make the allocated size multiple of 4. * Do not overallocate if the new size is closer to overalocated size than to the old size.
* bpo-39719: Remove softspace from tempfile.SpooledTemporaryFile (GH-18599)Shantanu2020-03-172-4/+1
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* bpo-39988: Remove ast.AugLoad and ast.AugStore node classes. (GH-19038)Serhiy Storchaka2020-03-177-179/+53
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* bpo-39984: Add PyInterpreterState.ceval (GH-19047)Victor Stinner2020-03-175-19/+35
| | | | | | | | | | | | | | | subinterpreters: Move _PyRuntimeState.ceval.tracing_possible to PyInterpreterState.ceval.tracing_possible: each interpreter now has its own variable. Changes: * Add _ceval_state structure. * Add PyInterpreterState.ceval field. * _PyEval_EvalFrameDefault(): add ceval2 variable (struct _ceval_state*). * Rename _PyEval_Initialize() to _PyEval_InitRuntimeState(). * Add _PyEval_InitState(). * Don't export internal _Py_FinishPendingCalls() and _PyEval_FiniThreads() functions anymore.
* bpo-1635741: Port itertools module to multiphase initialization (GH-19044)Dong-hee Na2020-03-172-35/+43
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* bpo-39991: Enhance uuid parser for MAC address (GH-19045)Victor Stinner2020-03-172-31/+93
| | | | Reject valid IPv6 addresses which doesn't contain "::" but have a length of 17 characters.
* bpo-39824: module_traverse() don't call m_traverse if md_state=NULL (GH-18738)Victor Stinner2020-03-1710-144/+91
| | | | | | | | | | | | | Extension modules: m_traverse, m_clear and m_free functions of PyModuleDef are no longer called if the module state was requested but is not allocated yet. This is the case immediately after the module is created and before the module is executed (Py_mod_exec function). More precisely, these functions are not called if m_size is greater than 0 and the module state (as returned by PyModule_GetState()) is NULL. Extension modules without module state (m_size <= 0) are not affected. Co-Authored-By: Petr Viktorin <encukou@gmail.com>
* bpo-26067: Do not fail test_shutil / chown when gid/uid cannot be resolved ↵Matthias Braun2020-03-172-6/+12
| | | | | | | | | | | | | | | | | | | (#19032) * bpo-26067: Do not fail test_shutil.chown when gid/uid cannot be resolved There is no guarantee that the users primary uid or gid can be resolved in the unix group/account databases. Skip the last part of the chown test if we cannot resolve the gid or uid to a name. * 📜🤖 Added by blurb_it. * Address review feedback * address review feedback correctly * fix typo Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-39943: Remove unused self from find_nfc_index() (GH-18973)Andy Lester2020-03-171-4/+4
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* bpo-39987: Simplify setting lineno in the compiler. (GH-19037)Serhiy Storchaka2020-03-174-4006/+3970
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* bpo-39991: uuid._netstat_getnode() ignores IPv6 addresses (GH-19043)Victor Stinner2020-03-173-10/+51
| | | | uuid.getnode() now skips IPv6 addresses with the same string length than a MAC address (17 characters): only use MAC addresses.
* bpo-39973: Fix the docs for PyObject_GenericSetDict() (GH-19026)Zackery Spytz2020-03-172-2/+3
| | | | PyObject_GenericSetDict() takes three arguments, not two.
* bpo-39656: Ensure `bin/python3.#` is always present in virtual environments ↵Anthony Sottile2020-03-172-1/+3
| | | | on POSIX (GH-19030)
* bpo-1635741: Port _ctypes_test extension to multiphase initialization (PEP ↵Hai Shi2020-03-171-3/+6
| | | | 489) (GH-19012)
* bpo-37207: Use PEP 590 vectorcall to speed up set() constructor (GH-19019)Dong-hee Na2020-03-162-0/+25
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* bpo-39968: Fix a typo error in get_readline_state() (GH-19028)Hai Shi2020-03-161-1/+1
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* bpo-35370: PyEval_SetTrace() logs unraisable error (GH-18977)Victor Stinner2020-03-162-2/+10
| | | | If PySys_Audit() fails in PyEval_SetProfile() or PyEval_SetTrace(), log the error as an unraisable exception.
* bpo-1635741: Port _statistics module to multiphase initialization (GH-19015)Dong-hee Na2020-03-162-3/+8
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* bpo-37207: Add _PyArg_NoKwnames() helper function (GH-18980)Dong-hee Na2020-03-165-5/+24
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* bpo-37207: Use _PyArg_CheckPositional() for tuple vectorcall (GH-18986)Dong-hee Na2020-03-161-2/+2
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* bpo-39968: Convert extension modules' macros of get_module_state() to inline ↵Hai Shi2020-03-1617-164/+279
| | | | functions (GH-19017)
* bpo-39638: Keep ASDL signatures in the AST nodes (GH-18515)Batuhan Taşkaya2020-03-167-132/+343
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* bpo-38870: Implement support for ast.FunctionType in ast.unparse (GH-19016)Batuhan Taşkaya2020-03-152-3/+20
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* bpo-39360: Ensure all workers exit when finalizing a multiprocessing Pool ↵Batuhan Taşkaya2020-03-153-2/+27
| | | | | | | | | (GH-19009) When the pull is not used via the context manager or terminate() is called, there is a system in multiprocessing.util that handles finalization of all pools via an atexit handler (the Finalize) class. This class registers the _terminate_pool handler in the registry of finalizers of the module, and that registry is called on interpreter exit via _exit_function. The problem is that the "happy" path with the context manager or manual call to finalize() does some extra steps that _terminate_pool does not. The step that is not executed when the atexit() handler calls _terminate_pool is pinging the _change_notifier queue to unblock the maintenance threads. This commit moves the notification to the _terminate_pool function so is called from both code paths. Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* Fix a possible refleak in tupleobject.c (GH-19018)Hai Shi2020-03-151-1/+3
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* bpo-39969: Remove ast.Param node class as is no longer used (GH-19020)Batuhan Taşkaya2020-03-157-51/+27
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* bpo-39507: Add HTTP status 418 "I'm a Teapot" (GH-18291)Ross2020-03-155-3/+9
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* bpo-39965: Correctly raise SyntaxError if await is used outside async ↵Pablo Galindo2020-03-153-4/+49
| | | | functions when PyCF_ALLOW_TOP_LEVEL_AWAIT is set (GH-19010)
* Link to list of keywords in the laguage reference (GH-18024)Борис Верховский2020-03-141-5/+6
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* bpo-38576: Disallow control characters in hostnames in http.client (GH-18995)Ashwin Ramaswami2020-03-144-3/+57
| | | | Add host validation for control characters for more CVE-2019-18348 protection.
* bpo-39677: dis: rename the operand of MAKE_FUNCTION from `argc` to `flags` ↵Taine Zhao2020-03-142-1/+2
| | | | for 3.6+ (GC-18550)
* bpo-39509: Update HTTP status code to follow IANA (GH-18294)Dong-hee Na2020-03-145-0/+19
| | | Add status codes 103 EARLY_HINTS and 425 TOO_EARLY.
* bpo-39582: ossaudiodev module update helpers signature for ioctl calls. ↵David CARLIER2020-03-141-3/+3
| | | | (GH-18412)
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