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* bpo-36842: Fix reference leak in tests by running out-of-proc (GH-13556)Steve Dower2019-05-293-230/+323
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* bpo-32972: Async test case (GH-13386)Andrew Svetlov2019-05-295-6/+372
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add explicit `asyncSetUp` and `asyncTearDown` methods. The rest is the same as for #13228 `AsyncTestCase` create a loop instance for every test for the sake of test isolation. Sometimes a loop shared between all tests can speed up tests execution time a lot but it requires control of closed resources after every test finish. Basically, it requires nested supervisors support that was discussed with @1st1 many times. Sorry, asyncio supervisors have no chance to land on Python 3.8. The PR intentionally does not provide API for changing the used event loop or getting the test loop: use `asyncio.set_event_loop_policy()` and `asyncio.get_event_loop()` instead. The PR adds four overridable methods to base `unittest.TestCase` class: ``` def _callSetUp(self): self.setUp() def _callTestMethod(self, method): method() def _callTearDown(self): self.tearDown() def _callCleanup(self, function, /, *args, **kwargs): function(*args, **kwargs) ``` It allows using asyncio facilities with minimal influence on the unittest code. The last but not least: the PR respects contextvars. The context variable installed by `asyncSetUp` is available on test, `tearDown` and a coroutine scheduled by `addCleanup`. https://bugs.python.org/issue32972
* bpo-22454: Add shlex.join() (the opposite of shlex.split()) (GH-7605)Bo Bayles2019-05-292-1/+26
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* bpo-37070: Cleanup fstring debug handling (GH-13607)Eric V. Smith2019-05-291-0/+1
| | | | * Clean up some comments, fix potential memory leaks, clarify literal and expr_text.
* bpo-37075: Fix string concatenation in assert_has_awaits error message ↵Xtreak2019-05-292-7/+9
| | | | | | | | | | (GH-13616) * Fix the implicit string concatenation in `assert_has_awaits` error message. * Use "await" instead of "call" in `assert_awaited_with` error message. https://bugs.python.org/issue37075
* bpo-35246: fix support for path-like args in asyncio subprocess (GH-13628)依云2019-05-292-5/+11
| | | | | | | | | Drop isinstance checks from create_subprocess_exec function and let subprocess module do them. https://bugs.python.org/issue35246 https://bugs.python.org/issue35246
* bpo-37076: _thread.start_new_thread() calls _PyErr_WriteUnraisableMsg() ↵Victor Stinner2019-05-291-0/+18
| | | | | | | (GH-13617) _thread.start_new_thread() now logs uncaught exception raised by the function using sys.unraisablehook(), rather than sys.excepthook(), so the hook gets access to the function which raised the exception.
* bpo-37001: Makes symtable.symtable have parity with compile for input (#13483)Dino Viehland2019-05-281-0/+9
| | | | | | | * Makes symtable.symtable have parity for accepted datatypes for source code as compile() * Add NEWS blurb
* bpo-22102: Fixes zip files with disks set to 0 (GH-5985)Francisco Facioni2019-05-281-1/+1
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* bpo-31961: Fix support of path-like executables in subprocess. (GH-5914)Serhiy Storchaka2019-05-282-3/+77
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* bpo-22640: Add silent mode to py_compile.compile() (GH-12976)Joannah Nanjekye2019-05-282-9/+24
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* bpo-33725: multiprocessing uses spawn by default on macOS (GH-13603)Victor Stinner2019-05-281-1/+6
| | | | On macOS, the multiprocessing module now uses the "spawn" start method by default.
* bpo-26423: Fix possible overflow in wrap_lenfunc() (GH-13606)Zackery Spytz2019-05-281-0/+4
| | | | 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 Corchero2019-05-282-0/+8
| | | | | | (GH-11062)
* bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338)Jeroen Demeyer2019-05-281-0/+24
| | | Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-35279: reduce default max_workers of ThreadPoolExecutor (GH-13618)Inada Naoki2019-05-282-5/+10
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* bpo-29883: Asyncio proactor udp (GH-13440)Andrew Svetlov2019-05-284-25/+477
| | | | | | Follow-up for #1067 https://bugs.python.org/issue29883
* bpo-37058: PEP 544: Add Protocol to typing module (GH-13585)Ivan Levkivskyi2019-05-282-118/+955
| | | | | 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 Bussonnier2019-05-281-93/+0
| | | | | | | | | | (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 ↵Xtreak2019-05-282-27/+73
| | | | | | | | | | (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
* bpo-36686: Improve the documentation of the std* params in ↵sbstp2019-05-272-1/+108
| | | | | loop.subprocess_exec (GH-13586) https://bugs.python.org/issue36686
* bpo-37054, _pyio: Fix BytesIO and TextIOWrapper __del__() (GH-13601)Victor Stinner2019-05-271-1/+10
| | | | | 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 Reedy2019-05-272-25/+13
| | | | | 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 Stinner2019-05-272-52/+195
| | | | | | | | | | | | | | | | | | | 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 Svetlov2019-05-2712-383/+2049
| | | https://bugs.python.org/issue36889
* bpo-37050: Remove expr_text from FormattedValue ast node, use Constant node ↵Eric V. Smith2019-05-272-6/+27
| | | | | 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
* bpo-32941: Add madvise() for mmap objects (GH-6172)Zackery Spytz2019-05-271-0/+19
| | | | Allow mmap objects to access the madvise() system call.
* bpo-36763: Implement the PEP 587 (GH-13592)Victor Stinner2019-05-271-78/+78
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Selivanov2019-05-276-9/+218
| | | | | | | | | | (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 Lapeyre2019-05-273-19/+13
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* bpo-37035: Don't log OSError (GH-13548)Andrew Svetlov2019-05-277-18/+30
| | | https://bugs.python.org/issue37035
* bpo-37047: Refactor AsyncMock setup logic for autospeccing (GH-13574)Xtreak2019-05-272-23/+99
| | | | Handle late binding and attribute access in unittest.mock.AsyncMock setup for autospeccing.
* bpo-32528: Make asyncio.CancelledError a BaseException. (GH-13528)Yury Selivanov2019-05-2714-59/+134
| | | | | | | | | | | | | | | 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 Selivanov2019-05-271-0/+125
| | | | | 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 Stinner2019-05-271-17/+27
| | | | | * 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 Hettinger2019-05-262-11/+20
| | | | call (GH-13048)
* bpo-37053: handle strings like u"bar" correctly in Tools/parser/unparse.py ↵Chih-Hsuan Yen2019-05-261-0/+5
| | | | | | | | | | | | (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 Pitrou2019-05-268-47/+804
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* bpo-37049: PEP 589: Add TypedDict to typing module (GH-13573)Ivan Levkivskyi2019-05-262-1/+188
| | | | The implementation is straightforward and essentially is just copied from `typing_extensions`.
* bpo-37046: PEP 586: Add Literal to typing module (#13572)Ivan Levkivskyi2019-05-262-1/+90
| | | | 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 Levkivskyi2019-05-262-4/+97
| | | | 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-37038: Make idlelib.run runnable; add test clause (GH-13560)Terry Jan Reedy2019-05-252-8/+24
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* bpo-34632: Add importlib.metadata (GH-12547)Jason R. Coombs2019-05-249-0/+1010
| | | Add importlib.metadata module as forward port of the standalone importlib_metadata.
* bpo-36829: Document test.support.catch_unraisable_exception() (GH-13554)Victor Stinner2019-05-242-17/+11
| | | | catch_unraisable_exception() now also removes its 'unraisable' attribute at the context manager exit.
* bpo-37032: Add CodeType.replace() method (GH-13542)Victor Stinner2019-05-244-28/+64
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* bpo-36969: Make PDB args command display positional only arguments (GH-13459)Rémi Lapeyre2019-05-242-6/+29
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* bpo-37023: Skip test_gdb under PGO (GH-13555)Steve Dower2019-05-241-1/+5
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* bpo-8138: Initialize wsgiref's SimpleServer as single-threaded (GH-12977)Berker Peksag2019-05-241-1/+2
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