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* bpo-37001: Makes symtable.symtable have parity with compile for input (#13483)Dino Viehland2019-05-281-0/+13
| | | | | | | * Makes symtable.symtable have parity for accepted datatypes for source code as compile() * Add NEWS blurb
* Fix comments in initconfig.h (GH-13636)MandarJKulkarni2019-05-281-3/+3
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* bpo-33407: Implement Py_DEPRECATED() on MSVC (GH-8980)Zackery Spytz2019-05-2811-104/+114
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* bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338)Jeroen Demeyer2019-05-281-0/+3
| | | Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-36933: Remove sys.set_coroutine_wrapper (marked for removal in 3.8) ↵Matthias Bussonnier2019-05-282-5/+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-1230540: Add threading.excepthook() (GH-13515)Victor Stinner2019-05-271-0/+2
| | | | | | | | | | | | | | | | | | | 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-37050: Remove expr_text from FormattedValue ast node, use Constant node ↵Eric V. Smith2019-05-271-4/+3
| | | | | 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-36763: Implement the PEP 587 (GH-13592)Victor Stinner2019-05-279-291/+287
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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-36829: Add _PyErr_WriteUnraisableMsg() (GH-13488)Victor Stinner2019-05-271-0/+3
| | | | | * sys.unraisablehook: add 'err_msg' field to UnraisableHookArgs. * Use _PyErr_WriteUnraisableMsg() in _ctypes _DictRemover_call() and gc delete_garbage().
* bpo-36785: PEP 574 implementation (GH-7076)Antoine Pitrou2019-05-262-0/+32
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* bpo-36710: Add tstate parameter in ceval.c (GH-13547)Victor Stinner2019-05-244-3/+68
| | | | | | | | | | | | | | | | * Fix a possible reference leak in _PyErr_Print() if exception is NULL. * PyErr_BadInternalCall(): replace PyErr_Format() with _PyErr_SetString(). * Add pycore_pyerrors.h header file. * New functions: * _PyErr_Clear() * _PyErr_Fetch() * _PyErr_Print() * _PyErr_Restore() * _PyErr_SetObject() * _PyErr_SetString() * Add 'tstate' parameter to _PyEval_AddPendingCall().
* Support Py_UNUSED() on clang (GH-13544)Victor Stinner2019-05-241-3/+8
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* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-237-24/+81
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-36829: PyErr_WriteUnraisable() normalizes exception (GH-13507)Victor Stinner2019-05-221-0/+4
| | | | | | PyErr_WriteUnraisable() now creates a traceback object if there is no current traceback. Moreover, call PyErr_NormalizeException() and PyException_SetTraceback() to normalize the exception value. Ignore silently any error.
* bpo-36763: Add _PyPreConfig._config_init (GH-13481)Victor Stinner2019-05-222-13/+13
| | | | | | | | | | | | | | | | | | | * _PyPreConfig_GetGlobalConfig() and _PyCoreConfig_GetGlobalConfig() now do nothing if the configuration was not initialized with _PyPreConfig_InitCompatConfig() and _PyCoreConfig_InitCompatConfig() * Remove utf8_mode=-2 special case: use utf8_mode=-1 instead. * Fix _PyPreConfig_InitPythonConfig(): * isolated = 0 instead of -1 * use_environment = 1 instead of -1 * Rename _PyConfig_INIT to _PyConfig_INIT_COMPAT * Rename _PyPreConfig_Init() to _PyPreConfig_InitCompatConfig() * Rename _PyCoreConfig_Init() to _PyCoreConfig_InitCompatConfig() * PyInterpreterState_New() now uses _PyCoreConfig_InitPythonConfig() as default configuration, but it's very quickly overriden anyway. * _freeze_importlib.c uses _PyCoreConfig_SetString() to set program_name. * Cleanup preconfig_init_utf8_mode(): cmdline is always non-NULL.
* bpo-36084: Add native thread ID (TID) to threading.Thread (GH-13463)Jake Tesler2019-05-221-0/+5
| | | | Add native thread ID (TID) to threading.Thread objects (supported platforms: Windows, FreeBSD, Linux, macOS).
* bpo-36878: Track extra text added to 'type: ignore' in the AST (GH-13479)Michael J. Sullivan2019-05-221-2/+3
| | | | | GH-13238 made extra text after a # type: ignore accepted by the parser. This finishes the job and actually plumbs the extra text through the parser and makes it available in the AST.
* bpo-36829: Add sys.unraisablehook() (GH-13187)Victor Stinner2019-05-221-0/+4
| | | | | | | | | | | | | | | | | | | Add new sys.unraisablehook() function which can be overridden to control how "unraisable exceptions" are handled. It is called when an exception has occurred but there is no way for Python to handle it. For example, when a destructor raises an exception or during garbage collection (gc.collect()). Changes: * Add an internal UnraisableHookArgs type used to pass arguments to sys.unraisablehook. * Add _PyErr_WriteUnraisableDefaultHook(). * The default hook now ignores exception on writing the traceback. * test_sys now uses unittest.main() to automatically discover tests: remove test_main(). * Add _PyErr_Init(). * Fix PyErr_WriteUnraisable(): hold a strong reference to sys.stderr while using it
* bpo-34616: Add PyCF_ALLOW_TOP_LEVEL_AWAIT to allow top-level await (GH-13148)Matthias Bussonnier2019-05-211-0/+1
| | | Co-Authored-By: Yury Selivanov <yury@magic.io>
* Revert "bpo-36084: Add native thread ID to threading.Thread objects ↵Victor Stinner2019-05-211-1/+0
| | | | | (GH-11993)" (GH-13458) This reverts commit 4959c33d2555b89b494c678d99be81a65ee864b0.
* bpo-36763: Fix _PyRuntime.preconfig.coerce_c_locale (GH-13444)Victor Stinner2019-05-201-2/+2
| | | | | | | | | | | _PyRuntime.preconfig.coerce_c_locale can now be used to check if the C locale has been coerced. * Fix _Py_LegacyLocaleDetected(): don't attempt to coerce the C locale if LC_ALL environment variable is set. Add 'warn' parameter: emit_stderr_warning_for_legacy_locale() must not the LC_ALL env var. * _PyPreConfig_Write() sets coerce_c_locale to 0 if _Py_CoerceLegacyLocale() fails.
* bpo-36763: Fix Python preinitialization (GH-13432)Victor Stinner2019-05-203-8/+28
| | | | | | | | | | | | | | | | | | | | | * Add _PyPreConfig.parse_argv * Add _PyCoreConfig._config_init field and _PyCoreConfigInitEnum enum type * Initialization functions: reject preconfig=NULL and config=NULL * Add config parameter to _PyCoreConfig_DecodeLocaleErr(): pass config->argv to _Py_PreInitializeFromPyArgv(), to parse config command line arguments in preinitialization. * Add config parameter to _PyCoreConfig_SetString(). It now preinitializes Python. * _PyCoreConfig_SetPyArgv() now also preinitializes Python for wide argv * Fix _Py_PreInitializeFromCoreConfig(): don't pass args to _Py_PreInitializeFromPyArgv() if config.parse_argv=0. * Use "char * const *" and "wchar_t * const *" types for 'argv' parameters and _PyArgv.argv. * Add unit test on preinitialization from argv. * _PyPreConfig.allocator type becomes int * Add _PyPreConfig_InitFromPreConfig() and _PyPreConfig_InitFromCoreConfig() helper functions
* bpo-35134: Split traceback.h header (GH-13430)Victor Stinner2019-05-195-96/+120
| | | | Add new Include/cpython/traceback.h and Include/internal/traceback.h header files.
* bpo-36957: Add _PyLong_Rshift() and _PyLong_Lshift(). (GH-13416)Serhiy Storchaka2019-05-191-0/+3
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* bpo-36763: Remove _PyCoreConfig.dll_path (GH-13402)Victor Stinner2019-05-182-3/+4
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* bpo-36763: Use _PyCoreConfig_InitPythonConfig() (GH-13398)Victor Stinner2019-05-182-79/+18
| | | | | | | | | | | | | | | | | _PyPreConfig_InitPythonConfig() and _PyCoreConfig_InitPythonConfig() no longer inherit their values from global configuration variables. Changes: * _PyPreCmdline_Read() now ignores -X dev and PYTHONDEVMODE if dev_mode is already set. * Inline _PyPreConfig_INIT macro into _PyPreConfig_Init() function. * Inline _PyCoreConfig_INIT macro into _PyCoreConfig_Init() function. * Replace _PyCoreConfig_Init() with _PyCoreConfig_InitPythonConfig() in most tests of _testembed.c. * Replace _PyCoreConfig_Init() with _PyCoreConfig_InitIsolatedConfig() in _freeze_importlib.c. * Move some initialization functions from the internal to the private API.
* bpo-36763: _Py_InitializeFromArgs() argc becomes Py_ssize_t (GH-13396)Victor Stinner2019-05-172-8/+8
| | | | | | | * The type of initlization function 'argc' parameters becomes Py_ssize_t, instead of int. * Change _PyPreConfig_Copy() return type to void, instead of int. The function cannot fail anymore. * Fix compilation warnings on Windows.
* bpo-36763: Add _PyInitError functions (GH-13395)Victor Stinner2019-05-172-30/+39
| | | | | | | | | | | | | | | * Add _PyInitError functions: * _PyInitError_Ok() * _PyInitError_Error() * _PyInitError_NoMemory() * _PyInitError_Exit() * _PyInitError_IsError() * _PyInitError_IsExit() * _PyInitError_Failed() * frozenmain.c and _testembed.c now use functions rather than macros. * Move _Py_INIT_xxx() macros to the internal API. * Move _PyWstrList_INIT macro to the internal API.
* bpo-36763: _Py_RunMain() doesn't call Py_Exit() anymore (GH-13390)Victor Stinner2019-05-171-0/+2
| | | | | | | | | Py_Main() and _Py_RunMain() now return the exitcode rather than calling Py_Exit(exitcode) when calling PyErr_Print() if the current exception type is SystemExit. * Add _Py_HandleSystemExit(). * Add pymain_exit_err_print(). * Add pymain_exit_print().
* bpo-36945: Add _PyPreConfig.configure_locale (GH-13368)Victor Stinner2019-05-171-0/+5
| | | | | _PyPreConfig_InitIsolatedConfig() sets configure_locale to 0 to prevent Python to modify the LC_CTYPE locale. In that case, coerce_c_locale an coerce_c_locale_warn are set to 0 as well.
* bpo-36763: Add _PyCoreConfig_InitPythonConfig() (GH-13388)Victor Stinner2019-05-172-8/+31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add new functions to get the Python interpreter behavior: * _PyPreConfig_InitPythonConfig() * _PyCoreConfig_InitPythonConfig() Add new functions to get an isolated configuration: * _PyPreConfig_InitIsolatedConfig() * _PyCoreConfig_InitIsolatedConfig() Replace _PyPreConfig_INIT and _PyCoreConfig_INIT with new functions _PyPreConfig_Init() and _PyCoreConfig_Init(). _PyCoreConfig: set configure_c_stdio and parse_argv to 0 by default to behave as Python 3.6 in the default configuration. _PyCoreConfig_Read() no longer sets coerce_c_locale_warn to 1 if it's equal to 0. coerce_c_locale_warn must now be set to -1 (ex: using _PyCoreConfig_InitPythonConfig()) to enable C locale coercion warning. Add unit tests for _PyCoreConfig_InitPythonConfig() and _PyCoreConfig_InitIsolatedConfig(). Changes: * Rename _PyCoreConfig_GetCoreConfig() to _PyPreConfig_GetCoreConfig() * Fix core_read_precmdline(): handle parse_argv=0 * Fix _Py_PreInitializeFromCoreConfig(): pass coreconfig.argv to _Py_PreInitializeFromPyArgv(), except if parse_argv=0
* bpo-36763: Add PyMemAllocatorName (GH-13387)Victor Stinner2019-05-174-9/+28
| | | | | | | | | | | | | | * Add PyMemAllocatorName enum * _PyPreConfig.allocator type becomes PyMemAllocatorName, instead of char* * Remove _PyPreConfig_Clear() * Add _PyMem_GetAllocatorName() * Rename _PyMem_GetAllocatorsName() to _PyMem_GetCurrentAllocatorName() * Remove _PyPreConfig_SetAllocator(): just call _PyMem_SetupAllocators() directly, we don't have do reallocate the configuration with the new allocator anymore! * _PyPreConfig_Write() parameter becomes const, as it should be in the first place!
* bpo-36763: Remove _PyCoreConfig.program (GH-13373)Victor Stinner2019-05-171-5/+9
| | | Use _PyCoreConfig.program_name instead.
* bpo-36763: Cleanup precmdline in _PyCoreConfig_Read() (GH-13371)Victor Stinner2019-05-171-1/+1
| | | | precmdline is only needed in _PyCoreConfig_Read(), not in config_read_cmdline(). Reorganize _PyCoreConfig_Read().
* bpo-36763: Add _PyCoreConfig.configure_c_stdio (GH-13363)Victor Stinner2019-05-161-0/+9
| | | Add tests for configure_c_stdio and pathconfig_warnings parameters.
* bpo-36763: Add _Py_InitializeMain() (GH-13362)Victor Stinner2019-05-162-4/+10
| | | | | | | | | * Add a private _Py_InitializeMain() function. * Add again _PyCoreConfig._init_main. * _Py_InitializeFromConfig() now uses _init_main to decide if _Py_InitializeMainInterpreter() should be called. * _PyCoreConfig: rename _frozen to pathconfig_warnings, its value is now the opposite of Py_FrozenFlag. * Add an unit test for _init_main=0 and _Py_InitializeMain().
* bpo-36763: Add _PyCoreConfig.parse_argv (GH-13361)Victor Stinner2019-05-161-22/+39
| | | | | | | * _PyCoreConfig_Read() doesn't parse nor update argv if parse_argv is 0. * Move path configuration fields in _PyCoreConfig. * Add an unit test for parse_argv=0. * Remove unused "done": label in _Py_RunMain().
* bpo-36763: _PyInitError always use int for exitcode (GH-13360)Victor Stinner2019-05-161-4/+0
| | | | | | | | | | | | | | | | | We cannot use "unsigned int" for exitcode on Windows, since Py_Main() and _Py_RunMain() always return an "int". Changes: * _PyPathConfig_ComputeSysPath0() now returns -1 if an exception is raised. * pymain_run_python() no longer uses _PyInitError but display the exception and set exitcode to 1 in case of error. * Fix _Py_RunMain(): return an exitcode rather than calling exit() on pymain_run_python() failure. * _Py_ExitInitError() no longer uses ExitProcess() on Windows, use exit() on all platforms. * _Py_ExitInitError() now fails with a fatal error if 'err' is not an error not an exit.
* bpo-36900: import.c uses PyInterpreterState.core_config (GH-13278)Victor Stinner2019-05-132-2/+2
| | | | Move _PyImportZip_Init() to the internal C API and add an 'interp' parameter.
* bpo-36728: Remove PyEval_ReInitThreads() from C API (GH-13241)Victor Stinner2019-05-132-1/+2
| | | | | | | | Remove the PyEval_ReInitThreads() function from the Python C API. It should not be called explicitly: use PyOS_AfterFork_Child() instead. Rename PyEval_ReInitThreads() to _PyEval_ReInitThreads() and add a 'runtime' parameter.
* bpo-36084: Add native thread ID to threading.Thread objects (GH-11993)Jake Tesler2019-05-121-0/+1
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* bpo-36710: Add 'ceval' local variable to ceval.c (GH-12934)Victor Stinner2019-05-103-52/+65
| | | | | | | | | | | | | | | | | | | | | | | | | Add "struct _ceval_runtime_state *ceval = &_PyRuntime.ceval;" local variables to function to better highlight the dependency on the global variable _PyRuntime and to point directly to _PyRuntime.ceval field rather than on the larger _PyRuntime. Changes: * Add _PyRuntimeState_GetThreadState(runtime) macro. * Add _PyEval_AddPendingCall(ceval, ...) and _PyThreadState_Swap(gilstate, ...) functions. * _PyThreadState_GET() macro now calls _PyRuntimeState_GetThreadState() using &_PyRuntime. * Add 'ceval' parameter to COMPUTE_EVAL_BREAKER(), SIGNAL_PENDING_SIGNALS(), _PyEval_SignalAsyncExc(), _PyEval_SignalReceived() and _PyEval_FiniThreads() macros and functions. * Add 'tstate' parameter to call_function(), do_call_core() and do_raise(). * Add 'runtime' parameter to _Py_CURRENTLY_FINALIZING(), _Py_FinishPendingCalls() and _PyThreadState_DeleteExcept() macros and functions. * Declare 'runtime', 'tstate', 'ceval' and 'eval_breaker' variables as constant.
* bpo-36737: Use the module state C-API for warnings. (gh-13159)Eric Snow2019-05-102-2/+3
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* bpo-35983: skip trashcan for subclasses (GH-11841)Jeroen Demeyer2019-05-101-14/+37
| | | | | Add new trashcan macros to deal with a double deallocation that could occur when the `tp_dealloc` of a subclass calls the `tp_dealloc` of a base class and that base class uses the trashcan mechanism. Patch by Jeroen Demeyer.
* bpo-36817: Add f-string debugging using '='. (GH-13123)Eric V. Smith2019-05-081-3/+4
| | | If a "=" is specified a the end of an f-string expression, the f-string will evaluate to the text of the expression, followed by '=', followed by the repr of the value of the expression.
* Post v3.8.0a4Łukasz Langa2019-05-071-1/+1
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* Python 3.8.0a4v3.8.0a4Łukasz Langa2019-05-061-2/+2
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* bpo-36475: Make PyThread_exit_thread with _Py_NO_RETURN (GH-13068)Victor Stinner2019-05-043-12/+15
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* bpo-36763: Remove _PyCoreConfig._init_main (GH-13066)Victor Stinner2019-05-021-5/+1
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* bpo-36763: _PyCoreConfig_SetPyArgv() preinitializes Python (GH-13037)Victor Stinner2019-05-021-2/+7
| | | | | | | | _PyCoreConfig_SetPyArgv() and _PyCoreConfig_SetWideString() now pre-initialize Python if needed to ensure that the locale encoding is properly configured. * Add _Py_PreInitializeFromPyArgv() internal function. * Add 'args' parameter to _Py_PreInitializeFromCoreConfig()
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