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* bpo-36829: sys.excepthook and sys.unraisablehook flush (GH-13620)Victor Stinner2019-05-282-0/+19
| | | | | | | sys.excepthook() and sys.unraisablehook() now explicitly flush the file (usually sys.stderr). If file.flush() fails, sys.excepthook() silently ignores the error, whereas sys.unraisablehook() logs the new exception.
* Doc: Add missing forward reference in the tutorial. (GH-13499)Julien Palard2019-05-281-3/+3
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* bpo-26423: Fix possible overflow in wrap_lenfunc() (GH-13606)Zackery Spytz2019-05-283-1/+7
| | | | Fix possible overflow in wrap_lenfunc() when sizeof(long) < sizeof(Py_ssize_t) (e.g., 64-bit Windows).
* bpo-32299: Return patched dict when using patch.dict as a context manager ↵Mario Corchero2019-05-284-1/+20
| | | | | | (GH-11062)
* bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338)Jeroen Demeyer2019-05-2810-7/+132
| | | Co-authored-by: Mark Shannon <mark@hotpy.org>
* Doc: Space breaking whole definition. (GH-13615)Julien Palard2019-05-281-1/+1
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* bpo-35279: reduce default max_workers of ThreadPoolExecutor (GH-13618)Inada Naoki2019-05-284-5/+22
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* Remove outdated time.monotonic reference (GH-13264)Brad2019-05-281-2/+1
| | | Per ae58649, time.monotonic is always available, making the old note outdated.
* bpo-36900: Fix compilation on HP-UX (GH-13614)Victor Stinner2019-05-281-0/+1
| | | | dynload_hpux.c: add #include "pycore_pystate.h" for _PyInterpreterState_GET_UNSAFE().
* bpo-29883: Asyncio proactor udp (GH-13440)Andrew Svetlov2019-05-288-46/+838
| | | | | | Follow-up for #1067 https://bugs.python.org/issue29883
* DOC: Unnecessary plural. (GH-13613)Julien Palard2019-05-281-1/+1
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* bpo-37058: PEP 544: Add Protocol to typing module (GH-13585)Ivan Levkivskyi2019-05-284-119/+1053
| | | | | I tried to get rid of the `_ProtocolMeta`, but unfortunately it didn'y work. My idea to return a generic alias from `@runtime_checkable` made runtime protocols unpickleable. I am not sure what is worse (a custom metaclass or having some classes unpickleable), so I decided to stick with the status quo (since there were no complains so far). So essentially this is a copy of the implementation in `typing_extensions` with two modifications: * Rename `@runtime` to `@runtime_checkable` (plus corresponding updates). * Allow protocols that extend `collections.abc.Iterable` etc.
* bpo-36933: Remove sys.set_coroutine_wrapper (marked for removal in 3.8) ↵Matthias Bussonnier2019-05-2811-287/+7
| | | | | | | | | | (GH-13577) It has been documented as deprecated and to be removed in 3.8; From a comment on another thread – which I can't find ; leave get_coro_wrapper() for now, but always return `None`. https://bugs.python.org/issue36933
* bpo-36996: Handle async functions when mock.patch is used as a decorator ↵Xtreak2019-05-283-27/+74
| | | | | | | | | | (GH-13562) Return a coroutine while patching async functions with a decorator. Co-authored-by: Andrew Svetlov <andrew.svetlov@gmail.com> https://bugs.python.org/issue36996
* Add @maxking to CODEOWNERS file (GH-13599)Abhilash Raj2019-05-281-1/+1
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* bpo-36686: Improve the documentation of the std* params in ↵sbstp2019-05-274-25/+158
| | | | | loop.subprocess_exec (GH-13586) https://bugs.python.org/issue36686
* bpo-37054, _pyio: Fix BytesIO and TextIOWrapper __del__() (GH-13601)Victor Stinner2019-05-272-1/+13
| | | | | Fix destructor _pyio.BytesIO and _pyio.TextIOWrapper: initialize their _buffer attribute as soon as possible (in the class body), because it's used by __del__() which calls close().
* bpo-37039: IDLE - zoomheight fixes (GH-13576)Terry Jan Reedy2019-05-273-30/+18
| | | | | Move doc entry to match menu and refactor zoom function. A followup patch will include a blurb.
* bpo-1230540: Add threading.excepthook() (GH-13515)Victor Stinner2019-05-279-67/+424
| | | | | | | | | | | | | | | | | | | Add a new threading.excepthook() function which handles uncaught Thread.run() exception. It can be overridden to control how uncaught exceptions are handled. threading.ExceptHookArgs is not documented on purpose: it should not be used directly. * threading.excepthook() and threading.ExceptHookArgs. * Add _PyErr_Display(): similar to PyErr_Display(), but accept a 'file' parameter. * Add _thread._excepthook(): C implementation of the exception hook calling _PyErr_Display(). * Add _thread._ExceptHookArgs: structseq type. * Add threading._invoke_excepthook_wrapper() which handles the gory details to ensure that everything remains alive during Python shutdown. * Add unit tests.
* bpo-36889: Merge asyncio streams (GH-13251)Andrew Svetlov2019-05-2713-383/+2055
| | | https://bugs.python.org/issue36889
* bpo-37050: Remove expr_text from FormattedValue ast node, use Constant node ↵Eric V. Smith2019-05-279-100/+87
| | | | | instead (GH-13597) When using the "=" debug functionality of f-strings, use another Constant node (or a merged constant node) instead of adding expr_text to the FormattedValue node.
* bpo-32941: Fix test_madvise failure when page size >= 8kiB (GH-13596)Antoine Pitrou2019-05-271-1/+2
| | | https://bugs.python.org/issue32941
* Fix a typo in SECURITY.md (GH-13568)Philippe Gagnon2019-05-271-1/+1
| | | There is a duplicated "in" in the Supported Versions text.
* bpo-37051: Refine note on what objects are hashable (GH-13587)Raymond Hettinger2019-05-271-2/+4
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* bpo-32941: Add madvise() for mmap objects (GH-6172)Zackery Spytz2019-05-278-2/+202
| | | | Allow mmap objects to access the madvise() system call.
* bpo-36763: Implement the PEP 587 (GH-13592)Victor Stinner2019-05-2750-2165/+3229
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add a whole new documentation page: "Python Initialization Configuration" * PyWideStringList_Append() return type is now PyStatus, instead of int * PyInterpreterState_New() now calls PyConfig_Clear() if PyConfig_InitPythonConfig() fails. * Rename files: * Python/coreconfig.c => Python/initconfig.c * Include/cpython/coreconfig.h => Include/cpython/initconfig.h * Include/internal/: pycore_coreconfig.h => pycore_initconfig.h * Rename structures * _PyCoreConfig => PyConfig * _PyPreConfig => PyPreConfig * _PyInitError => PyStatus * _PyWstrList => PyWideStringList * Rename PyConfig fields: * use_module_search_paths => module_search_paths_set * module_search_path_env => pythonpath_env * Rename PyStatus field: _func => func * PyInterpreterState: rename core_config field to config * Rename macros and functions: * _PyCoreConfig_SetArgv() => PyConfig_SetBytesArgv() * _PyCoreConfig_SetWideArgv() => PyConfig_SetArgv() * _PyCoreConfig_DecodeLocale() => PyConfig_SetBytesString() * _PyInitError_Failed() => PyStatus_Exception() * _Py_INIT_ERROR_TYPE_xxx enums => _PyStatus_TYPE_xxx * _Py_UnixMain() => Py_BytesMain() * _Py_ExitInitError() => Py_ExitStatusException() * _Py_PreInitializeFromArgs() => Py_PreInitializeFromBytesArgs() * _Py_PreInitializeFromWideArgs() => Py_PreInitializeFromArgs() * _Py_PreInitialize() => Py_PreInitialize() * _Py_RunMain() => Py_RunMain() * _Py_InitializeFromConfig() => Py_InitializeFromConfig() * _Py_INIT_XXX() => _PyStatus_XXX() * _Py_INIT_FAILED() => _PyStatus_EXCEPTION() * Rename 'err' PyStatus variables to 'status' * Convert RUN_CODE() macro to config_run_code() static inline function * Remove functions: * _Py_InitializeFromArgs() * _Py_InitializeFromWideArgs() * _PyInterpreterState_GetCoreConfig()
* bpo-37027: Return a proxy socket object from transp.get_extra_info('socket') ↵Yury Selivanov2019-05-277-9/+220
| | | | | | | | | | (GH-13530) Return a safe to use proxy socket object from `transport.get_extra_info('socket')` https://bugs.python.org/issue37027
* bpo-35397: Remove deprecation and document urllib.parse.unwrap (GH-11481)Rémi Lapeyre2019-05-276-19/+24
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* bpo-37035: Don't log OSError (GH-13548)Andrew Svetlov2019-05-278-18/+35
| | | https://bugs.python.org/issue37035
* bpo-37047: Refactor AsyncMock setup logic for autospeccing (GH-13574)Xtreak2019-05-274-24/+107
| | | | Handle late binding and attribute access in unittest.mock.AsyncMock setup for autospeccing.
* bpo-32528: Make asyncio.CancelledError a BaseException. (GH-13528)Yury Selivanov2019-05-2716-66/+146
| | | | | | | | | | | | | | | This will address the common mistake many asyncio users make: an "except Exception" clause breaking Tasks cancellation. In addition to this change, we stop inheriting asyncio.TimeoutError and asyncio.InvalidStateError from their concurrent.futures.* counterparts. There's no point for these exceptions to share the inheritance chain. In 3.9 we'll focus on implementing supervisors and cancel scopes, which should allow better handling of all exceptions, including SystemExit and KeyboardInterrupt
* bpo-37028: asyncio REPL; activated via 'python -m asyncio'. (GH-13472)Yury Selivanov2019-05-272-0/+126
| | | | | This makes it easy to play with asyncio APIs with simply using async/await in the REPL.
* bpo-36829: Add _PyErr_WriteUnraisableMsg() (GH-13488)Victor Stinner2019-05-279-47/+135
| | | | | * sys.unraisablehook: add 'err_msg' field to UnraisableHookArgs. * Use _PyErr_WriteUnraisableMsg() in _ctypes _DictRemover_call() and gc delete_garbage().
* Add one more test for typing.Final (GH-13588)Ivan Levkivskyi2019-05-261-0/+8
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* bpo-36772 Allow lru_cache to be used as decorator without making a function ↵Raymond Hettinger2019-05-265-12/+53
| | | | call (GH-13048)
* bpo-37053: handle strings like u"bar" correctly in Tools/parser/unparse.py ↵Chih-Hsuan Yen2019-05-263-0/+8
| | | | | | | | | | | | (GH-13583) Constant.kind is added in https://bugs.python.org/issue36280. Current possible values for Constant.kind are "u" or None. For r'bar' and b'bar', Constant.kind value is None, so there's no need for special handling. https://bugs.python.org/issue37053
* bpo-36785: PEP 574 implementation (GH-7076)Antoine Pitrou2019-05-2619-240/+1886
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* Fix highlighting in importlib.metadata docs (GH-13575)Anthony Sottile2019-05-262-5/+4
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* bpo-28866: No type cache for types with specialized mro, invalidation is ↵Julien Palard2019-05-262-8/+32
| | | | | | | | | | | | | | | | | | hard. (#13157) * No type cache for types with specialized mro, invalidation is hard. * FIX: Don't disable method cache custom types that do not implement mro(). * fixing implem. * Avoid storing error flags, also decref. * news entry * Clear as soon as we're getting an error. * FIX: Reference leak.
* bpo-37049: PEP 589: Add TypedDict to typing module (GH-13573)Ivan Levkivskyi2019-05-264-1/+222
| | | | The implementation is straightforward and essentially is just copied from `typing_extensions`.
* bpo-37046: PEP 586: Add Literal to typing module (#13572)Ivan Levkivskyi2019-05-264-1/+113
| | | | The implementation is straightforward and essentially is just copied from `typing_extensions`.
* bpo-37045: PEP 591: Add final qualifiers to typing module (GH-13571)Ivan Levkivskyi2019-05-264-4/+142
| | | | The implementation is straightforward, it just mimics `ClassVar` (since the latter is also a name/access qualifier, not really a type). Also it is essentially copied from `typing_extensions`.
* bpo-37017: PyObject_CallMethodObjArgs uses LOAD_METHOD optimization (GH-13516)Michael J. Sullivan2019-05-262-16/+33
| | | | | | | | | Update PyObject_CallMethodObjArgs and _PyObject_CallMethodIdObjArgs to use _PyObject_GetMethod to avoid creating a bound method object in many cases. On a microbenchmark of PyObject_CallMethodObjArgs calling a method on an interpreted Python class, this optimization resulted in a 1.7x speedup.
* Docs: FIX broken links. (GH-13491)Julien Palard2019-05-257-15/+18
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* bpo-34632 fix buildbots and remove artifact (GH-13566)Jason R. Coombs2019-05-252-1/+1
| | | | | | * bpo-34632: Also include the test data directory. * bpo-34632: remove the framework resources artifacts, accidentally added in 1bbf7b661f (ccbccce)
* 📝 Add a GitHub-specific security page (GH-13526)Sviatoslav Sydorenko2019-05-251-0/+18
| | | | | | | | | | | | * 📝 Add a GitHub-specific security page It will show up @ https://github.com/python/cpython/security/policy allowing to navigate users who get there from "Security" tab in the GitHub repo to the full article explaining the security vulnerability reporting practices. Co-Authored-By: Hugo <hugovk@users.noreply.github.com>
* bpo-34632: fix installation of importlib.metadata (#13563)Chih-Hsuan Yen2019-05-251-0/+1
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* bpo-37038: Make idlelib.run runnable; add test clause (GH-13560)Terry Jan Reedy2019-05-253-8/+25
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* bpo-34632: Add importlib.metadata (GH-12547)Jason R. Coombs2019-05-2415-638/+2048
| | | Add importlib.metadata module as forward port of the standalone importlib_metadata.
* bpo-36829: Document test.support.catch_unraisable_exception() (GH-13554)Victor Stinner2019-05-243-17/+31
| | | | catch_unraisable_exception() now also removes its 'unraisable' attribute at the context manager exit.