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* bpo-36829: Add _PyErr_WriteUnraisableMsg() (GH-13488)Victor Stinner2019-05-273-21/+81
| | | | | * sys.unraisablehook: add 'err_msg' field to UnraisableHookArgs. * Use _PyErr_WriteUnraisableMsg() in _ctypes _DictRemover_call() and gc delete_garbage().
* bpo-34632: Add importlib.metadata (GH-12547)Jason R. Coombs2019-05-241-638/+775
| | | Add importlib.metadata module as forward port of the standalone importlib_metadata.
* bpo-36710: Add tstate parameter in ceval.c (GH-13547)Victor Stinner2019-05-243-398/+487
| | | | | | | | | | | | | | | | * 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().
* bpo-36710: Add tstate parameter in errors.c (GH-13540)Victor Stinner2019-05-241-116/+230
| | | | Add 'PyThreadState *tstate' parameter to errors.c functions to avoid relying on global variables (indirectly on _PyRuntime).
* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-2313-1778/+2254
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-36763: Fix _PyPreConfig_InitCompatConfig() utf8_mode (GH-13518)Victor Stinner2019-05-232-5/+17
| | | | | | | | | | * _PyPreConfig_InitCompatConfig() sets utf8_mode to 0. * Change Py_UTF8Mode default value to 0. * Fix _PyPreConfig_Copy(): copy also _config_init attrbibute. * _PyPreConfig_AsDict() exports _config_init * Fix _PyPreConfig_GetGlobalConfig(): use Py_UTF8Mode if it's greater than 0, even if utf8_mode >= 0. * Add unit tests on environment variables using Python API.
* bpo-36829: PyErr_WriteUnraisable() normalizes exception (GH-13507)Victor Stinner2019-05-222-3/+34
| | | | | | 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: Rename private Python initialization functions (GH-13511)Victor Stinner2019-05-221-58/+50
| | | | | | | | | | | * Rename private C functions: * _Py_Initialize_ReconfigureCore => pyinit_core_reconfigure * _Py_InitializeCore_impl => pyinit_core_config * _Py_InitializeCore = > pyinit_core * _Py_InitializeMainInterpreter => pyinit_main * init_python => pyinit_python * Rename _testembed.c commands: add "test_" prefix.
* bpo-36763: Add _PyPreConfig._config_init (GH-13481)Victor Stinner2019-05-226-33/+53
| | | | | | | | | | | | | | | | | | | * _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 Tesler2019-05-222-0/+49
| | | | 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. Sullivan2019-05-222-4/+34
| | | | | 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 Stinner2019-05-225-109/+347
| | | | | | | | | | | | | | | | | | | 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 Bussonnier2019-05-212-7/+23
| | | Co-Authored-By: Yury Selivanov <yury@magic.io>
* Annotate the unexplained assignment in exception unbinding (GH-11448)Chris Angelico2019-05-211-1/+1
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* Revert "bpo-36084: Add native thread ID to threading.Thread objects ↵Victor Stinner2019-05-212-43/+0
| | | | | (GH-11993)" (GH-13458) This reverts commit 4959c33d2555b89b494c678d99be81a65ee864b0.
* bpo-36763: Fix _PyRuntime.preconfig.coerce_c_locale (GH-13444)Victor Stinner2019-05-202-17/+35
| | | | | | | | | | | _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 Stinner2019-05-203-108/+152
| | | | | | | | | | | | | | | | | | | | | * 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 Stinner2019-05-191-0/+1
| | | | Add new Include/cpython/traceback.h and Include/internal/traceback.h header files.
* bpo-36961: Handle positional-only arguments in uparse.c (GH-13412)Pablo Galindo2019-05-181-6/+16
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* Add support for PEP572 in ast_unparse.c (GH-13337)Batuhan Taşkaya2019-05-181-0/+13
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* bpo-36763: Remove _PyCoreConfig.dll_path (GH-13402)Victor Stinner2019-05-182-25/+3
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* bpo-36763: Use _PyCoreConfig_InitPythonConfig() (GH-13398)Victor Stinner2019-05-183-24/+78
| | | | | | | | | | | | | | | | | _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.
* Fix couple of dead code paths (GH-7418)David Carlier2019-05-172-4/+0
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* bpo-36763: _Py_InitializeFromArgs() argc becomes Py_ssize_t (GH-13396)Victor Stinner2019-05-173-45/+17
| | | | | | | * 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-27268: Fix incorrect error message on float('') (GH-2745)Pedro Lacerda2019-05-171-3/+3
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* bpo-36763: Add _PyInitError functions (GH-13395)Victor Stinner2019-05-173-2/+31
| | | | | | | | | | | | | | | * 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 Stinner2019-05-171-16/+36
| | | | | | | | | 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 Stinner2019-05-171-6/+19
| | | | | _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 Stinner2019-05-176-40/+155
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Stinner2019-05-174-81/+21
| | | | | | | | | | | | | | * 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-1875: Raise SyntaxError in invalid blocks that will be optimised away ↵Pablo Galindo2019-05-172-9/+16
| | | | | | | (GH-13332) Move the check for dead conditionals (if 0) to the peephole optimizer and make sure that the code block is still compiled to report any existing syntax errors within.
* bpo-36763: Remove _PyCoreConfig.program (GH-13373)Victor Stinner2019-05-171-44/+16
| | | Use _PyCoreConfig.program_name instead.
* bpo-36763: Cleanup precmdline in _PyCoreConfig_Read() (GH-13371)Victor Stinner2019-05-173-46/+53
| | | | 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 Stinner2019-05-161-3/+17
| | | Add tests for configure_c_stdio and pathconfig_warnings parameters.
* bpo-36763: Add _Py_InitializeMain() (GH-13362)Victor Stinner2019-05-164-7/+33
| | | | | | | | | * 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 Stinner2019-05-161-13/+28
| | | | | | | * _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 Stinner2019-05-162-14/+15
| | | | | | | | | | | | | | | | | 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: Replace global conf vars with config (GH-13299)Victor Stinner2019-05-144-24/+28
| | | | | | Replace global configuration variables with core_config read from the current interpreter. Cleanup dynload_hpux.c.
* bpo-36900: import.c uses PyInterpreterState.core_config (GH-13278)Victor Stinner2019-05-132-27/+46
| | | | Move _PyImportZip_Init() to the internal C API and add an 'interp' parameter.
* bpo-36728: Remove PyEval_ReInitThreads() from C API (GH-13241)Victor Stinner2019-05-131-2/+1
| | | | | | | | 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 Tesler2019-05-122-0/+43
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* bpo-36817: Do not decrement reference for expr_text on fstring = parsing ↵Pablo Galindo2019-05-121-1/+0
| | | | failure (GH-13256)
* bpo-36817: Fix reference leak for expr_text in f-string = parsing (GH-13249)Pablo Galindo2019-05-111-2/+7
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* bpo-36710: Add 'ceval' local variable to ceval.c (GH-12934)Victor Stinner2019-05-104-260/+292
| | | | | | | | | | | | | | | | | | | | | | | | | 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 Snow2019-05-103-120/+203
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* bpo-35983: skip trashcan for subclasses (GH-11841)Jeroen Demeyer2019-05-102-8/+8
| | | | | 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-36851: Clean the frame stack if the execution ends with a return and the ↵Pablo Galindo2019-05-091-7/+9
| | | | stack is not empty (GH-13191)
* bpo-36817: Add f-string debugging using '='. (GH-13123)Eric V. Smith2019-05-085-45/+142
| | | 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.
* bpo-24048: Save the live exception during import.c's remove_module() (GH-13005)Zackery Spytz2019-05-081-3/+7
| | | Save the live exception during the course of remove_module().
* bpo-36594: Fix incorrect use of %p in format strings (GH-12769)Zackery Spytz2019-05-062-6/+6
| | | In addition, fix some other minor violations of C99.
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