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* bpo-39877: _PyRuntimeState.finalizing becomes atomic (GH-18816)Victor Stinner2020-03-065-15/+29
| | | | | | | | | | | | Convert _PyRuntimeState.finalizing field to an atomic variable: * Rename it to _finalizing * Change its type to _Py_atomic_address * Add _PyRuntimeState_GetFinalizing() and _PyRuntimeState_SetFinalizing() functions * Remove _Py_CURRENTLY_FINALIZING() function: replace it with testing directly _PyRuntimeState_GetFinalizing() value Convert _PyRuntimeState_GetThreadState() to static inline function.
* bpo-39573: Use Py_IS_TYPE() macro to check for types (GH-18809)Andy Lester2020-03-0610-17/+15
| | | Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-17422: slightly more precise language (GH-18682)Caleb Donovick2020-03-062-1/+3
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* bpo-39873: Cleanup _PyObject_CheckConsistency() (GH-18807)Victor Stinner2020-03-061-1/+0
| | | | Remove redundant check on Py_TYPE() value: it's already checked inside _PyType_CheckConsistency().
* bpo-36144: Implement defaultdict union (GH-18729)Brandt Bucher2020-03-064-6/+88
| | | For PEP 585 (this isn't in the PEP but is an obvious follow-up).
* closes bpo-39872: Remove unused args from symtable_exit_block and ↵Andy Lester2020-03-061-16/+15
| | | | symtable_visit_annotations. (GH-18800)
* bpo-39873: PyObject_Init() uses PyObject_INIT() (GH-18804)Victor Stinner2020-03-061-9/+2
| | | | | | Avoid duplicated code: * PyObject_Init() uses PyObject_INIT() * PyObject_InitVar() uses PyObject_INIT_VAR()
* PyPy already supports Python 3 (GH-18774)Slam2020-03-061-2/+1
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* bpo-39573: Make Py_IS_TYPE() take constant parameters (GH-18799)Andy Lester2020-03-061-2/+3
| | | Add _PyObject_CAST_CONST() macro: cast a pointer to (const PyObject *).
* bpo-39868: Update Language Reference for PEP 572. (#18793)Brandt Bucher2020-03-063-6/+19
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* closes bpo-39859: Do not downcast result of hstrerror (GH-18790)Andy Lester2020-03-061-1/+1
| | | | | set_herror builds a string by calling hstrerror but downcasts its return value to char *. It should be const char *. Automerge-Triggered-By: @benjaminp
* closes bpo-39870: Remove unused arg from sys_displayhook_unencodable. (GH-18796)Andy Lester2020-03-061-3/+3
| | | Also move int err to its innermost scope.
* IDLE doc: improve Startup failure subsection. (#18771)Jules Lasne (jlasne)2020-03-061-7/+10
| | | | | | Eliminate repeat of 'Options', reported by Jules Lasne, and improve wording elsewhere. Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
* Add a comment to _Py_RestoreSignals() (GH-18792)Victor Stinner2020-03-051-0/+2
| | | subprocess _posix_spawn() should stay in sync with _Py_RestoreSignals().
* bpo-39855: Fix test_subprocess if nobody user doesn't exist (GH-18781)Victor Stinner2020-03-052-2/+10
| | | | | test_subprocess.test_user() now skips the test on an user name if the user name doesn't exist. For example, skip the test if the user "nobody" doesn't exist on Linux.
* bpo-13487: Use sys.modules.copy() in inspect.getmodule() for thread safety. ↵Gregory P. Smith2020-03-052-1/+4
| | | | | | | | (GH-18786) `list(sys.modules.items())` was apparently not immune to "dictionary changed size during iteration" errors. Tested internally using an integration test that has run into this a couple of times in the past two years. With this patch applied, the test is no longer flaky.
* Add a missing space after a period in 'typing.TypedDict' documentation ↵Miss Islington (bot)2020-03-051-1/+1
| | | | (GH-18784)
* bpo-39808: Improve docs for pathlib.Path.stat() (GH-18719)Brett Cannon2020-03-041-1/+1
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* bpo-39674: Revert "bpo-37330: open() no longer accept 'U' in file mode ↵Victor Stinner2020-03-0413-54/+99
| | | | | | | (GH-16959)" (GH-18767) This reverts commit e471e72977c83664f13d041c78549140c86c92de. The mode will be removed from Python 3.10.
* bpo-39763: Refactor setup.py (GH-18778)Victor Stinner2020-03-041-13/+32
| | | | | Split long build_extensions() method into sub-methods. Fix also a typo in Popen.wait(): replace sts with status.
* bpo-39639: Remove the AST "Suite" node and associated code (GH-18513)Batuhan Taşkaya2020-03-0410-106/+7
| | | | | | | | The AST "Suite" node is no longer used and it can be removed from the ASDL definition and related structures (compiler, visitors, ...). Co-Authored-By: Victor Stinner <vstinner@python.org> Co-authored-by: Brett Cannon <54418+brettcannon@users.noreply.github.com> Co-authored-by: Pablo Galindo <Pablogsal@gmail.com>
* bpo-39770, array module: Remove unnecessary descriptor counting (GH-18675)Andy Lester2020-03-041-5/+0
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* bpo-39674: Fix typo in What's New In Python 3.9 (GH-18776)Victor Stinner2020-03-041-1/+1
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* bpo-39763: distutils.spawn now uses subprocess (GH-18743)Victor Stinner2020-03-045-117/+87
| | | | | | | | Reimplement distutils.spawn.spawn() function with the subprocess module. setup.py now uses a basic implementation of the subprocess module if the subprocess module is not available: before required C extension modules are built.
* bpo-39573: Finish converting to new Py_IS_TYPE() macro (GH-18601)Andy Lester2020-03-0423-57/+56
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* bpo-39826: add getConnection() hook to logging HTTPHandler (GH-18745)l0rb2020-03-042-5/+17
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* bpo-39702: Relax grammar restrictions on decorators (PEP 614) (GH-18570)Brandt Bucher2020-03-038-537/+534
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* bpo-39674: Suggest to test with DeprecationWarning (GH-18552)Victor Stinner2020-03-031-0/+28
| | | | | | Add a section in What's New In Python 3.9 to strongly advice to check for DeprecationWarning in your Python projects. Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
* bpo-35712: Make using NotImplemented in a boolean context issue a ↵MojoVampire2020-03-0310-12/+64
| | | | deprecation warning (GH-13195)
* bpo-39831: Remove outdated comment. (GH-18764)Serhiy Storchaka2020-03-031-3/+1
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* bpo-39674: Update collections ABC deprecation doc (GH-18747)Victor Stinner2020-03-031-1/+1
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* bpo-12915: Skip test_pkgutil.test_name_resolution() non-encodable filenames ↵Michael Felt2020-03-031-1/+5
| | | | | | (GH-18720) When filesystem encoding cannot encode the Unicode string used for a filename continue testing with the next example.
* bpo-39778: Add clarification about tp_traverse and ownership (GH-18754)Pablo Galindo2020-03-031-1/+13
| | | Automerge-Triggered-By: @pablogsal
* bpo-39802: Only expose set_escdelay and set_tabsize when curses extensions ↵Batuhan Taşkaya2020-03-032-1/+39
| | | | are activated (GH-18705)
* bpo-38091: Import deadlock detection causes deadlock (GH-17518)Armin Rigo2020-03-034-1667/+1688
| | | Automerge-Triggered-By: @brettcannon
* bpo-38597: Never statically link extension initialization code on Windows ↵Steve Dower2020-03-034-104/+13
| | | | (GH-18724)
* bpo-39778: Don't traverse weak-reference lists OrderedDict's tp_traverse and ↵Pablo Galindo2020-03-023-2/+22
| | | | | | tp_clear (GH-18749) Objects do not own weak references to them directly through the __weakref__ list so these do not need to be traversed by the GC.
* bpo-39776: Lock ++interp->tstate_next_unique_id. (GH-18746) (#18746)Stefan Krah2020-03-022-2/+7
| | | | - Threads created by PyGILState_Ensure() could have a duplicate tstate->id.
* bpo-39831: Fix a reference leak in PyErr_WarnEx(). (GH-18750)Serhiy Storchaka2020-03-021-2/+3
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* bpo-38870: Add docstring support to ast.unparse (GH-17760)Batuhan Taşkaya2020-03-022-80/+171
| | | | | | Allow ast.unparse to detect docstrings in functions, modules and classes and produce nicely formatted unparsed output for said docstrings. Co-Authored-By: Pablo Galindo <Pablogsal@gmail.com>
* bpo-39796: Fix _warnings module initialization (GH-18739)Victor Stinner2020-03-023-15/+29
| | | | | | | | | * Add _PyWarnings_InitState() which only initializes the _warnings module state (tstate->interp->warnings) without creating a module object * Py_InitializeFromConfig() now calls _PyWarnings_InitState() instead of _PyWarnings_Init() * Rename also private functions of _warnings.c to avoid confusion between the public C API and the private C API.
* bpo-39764: Make Task.get_stack accept ag_frame (#18669)Lidi Zheng2020-03-023-3/+26
| | | | Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>
* bpo-38380: Update macOS & Windows builds to SQLite v3.31.1 (GH-18678)Erlend Egeberg Aasland2020-03-026-6/+8
| | | Automerge-Triggered-By: @zooba
* bpo-39775: inspect: Change Signature.parameters back to OrderedDict. (GH-18684)Inada Naoki2020-03-024-17/+24
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* Fix misleading statement about mixed-type numeric comparisons (GH-18615)Mark Dickinson2020-03-022-2/+5
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* bpo-38913: Fix segfault in Py_BuildValue("(s#O)", ...) if entered with ↵Serhiy Storchaka2020-03-023-3/+48
| | | | exception raised. (GH-18656)
* bpo-38971: Open file in codecs.open() closes if exception raised. (GH-17666)Chris A2020-03-023-5/+22
| | | | | | Open issue in the BPO indicated a desire to make the implementation of codecs.open() at parity with io.open(), which implements a try/except to assure file stream gets closed before an exception is raised.
* bpo-39495: Remove default value from C impl of TreeBuilder.start (GH-18275)Shantanu2020-03-024-9/+14
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* bpo-39378: partial of PickleState struct should be traversed. (GH-18046)Hai Shi2020-03-021-0/+1
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* bpo-39199: Add descriptions of non-deprecated nodes to the AST module ↵Pablo Galindo2020-03-021-6/+1497
| | | | | | | | | documentation (GH-17812) Adapted from https://greentreesnakes.readthedocs.io Co-authored-by: Karthikeyan Singaravelan <tir.karthi@gmail.com> Co-authored-by: Carol Willing <carolcode@willingconsulting.com>