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* gh-141732: Fix `ExceptionGroup` repr changing when original exception ↵dr-carlos2025-12-071-0/+1
| | | | sequence is mutated (#141736)
* gh-132449: Improve syntax error messages for keywords with typos (#132450)Pablo Galindo Salgado2025-04-221-0/+1
| | | | Signed-off-by: Pablo Galindo <pablogsal@gmail.com> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* gh-127787: Move _PyUnicodeError_GetParams() to the internal C API (#128803)Victor Stinner2025-01-141-6/+0
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* gh-127787: refactor helpers for `PyUnicodeErrorObject` internal interface ↵Bénédikt Tran2025-01-031-0/+6
| | | | | | | | | | | | | | | | | | | | | | (GH-127789) - Unify `get_unicode` and `get_string` in a single function. - Allow to retrieve the underlying `object` attribute, its size, and the adjusted 'start' and 'end', all at once. Add a new `_PyUnicodeError_GetParams` internal function for this. (In `exceptions.c`, it's somewhat common to not need all the attributes, but the compiler has opportunity to inline the function and optimize unneeded work away. Outside that file, we'll usually need all or most of them at once.) - Use a common implementation for the following functions: - `PyUnicode{Decode,Encode}Error_GetEncoding` - `PyUnicode{Decode,Encode,Translate}Error_GetObject` - `PyUnicode{Decode,Encode,Translate}Error_{Get,Set}Reason` - `PyUnicode{Decode,Encode,Translate}Error_{Get,Set}{Start,End}`
* gh-89364: Export PySignal_SetWakeupFd() function (#121537)Victor Stinner2024-07-101-1/+1
| | | | Export the PySignal_SetWakeupFd() function. Previously, the function was documented but it couldn't be used in 3rd party code.
* gh-116809: Restore removed _PyErr_ChainExceptions1() function (#116900)Victor Stinner2024-03-161-0/+4
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* gh-114570: Add PythonFinalizationError exception (#115352)Victor Stinner2024-02-141-0/+2
| | | | | | | | | | | | | | | | | Add PythonFinalizationError exception. This exception derived from RuntimeError is raised when an operation is blocked during the Python finalization. The following functions now raise PythonFinalizationError, instead of RuntimeError: * _thread.start_new_thread() * subprocess.Popen * os.fork() * os.fork1() * os.forkpty() Morever, _winapi.Overlapped finalizer now logs an unraisable PythonFinalizationError, instead of an unraisable RuntimeError.
* gh-108082: Add PyErr_FormatUnraisable() function (GH-111086)Serhiy Storchaka2023-10-311-0/+2
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* gh-106320: Remove private _PyErr_WriteUnraisableMsg() (#108863)Victor Stinner2023-09-041-4/+0
| | | | | | Move the private _PyErr_WriteUnraisableMsg() functions to the internal C API (pycore_pyerrors.h). Move write_unraisable_exc() from _testcapi to _testinternalcapi.
* gh-106320: Remove private _PyErr_ChainExceptions() (#108713)Victor Stinner2023-08-311-5/+0
| | | | | | | | | | | | | Remove _PyErr_ChainExceptions(), _PyErr_ChainExceptions1() and _PyErr_SetFromPyStatus() functions from the public C API. * Move the private _PyErr_ChainExceptions() and _PyErr_ChainExceptions1() function to the internal C API (pycore_pyerrors.h). * Move the private _PyErr_SetFromPyStatus() to the internal C API (pycore_initconfig.h). * No longer export the _PyErr_ChainExceptions() function. * Move run_in_subinterp_with_config() from _testcapi to _testinternalcapi.
* gh-106320: Remove private _PyErr_SetKeyError() (#108607)Victor Stinner2023-08-291-4/+0
| | | | Move the private _PyErr_SetKeyError() function to the internal C API (pycore_pyerrors.h).
* gh-106320: Remove private _PyErr C API functions (#106356)Victor Stinner2023-07-031-42/+0
| | | | Remove private _PyErr C API functions: move them to the internal C API (pycore_pyerrors.h).
* gh-105071: add PyUnstable_Exc_PrepReraiseStar to expose except* ↵Irit Katriel2023-05-301-0/+4
| | | | implementation in the unstable API (#105072)
* gh-102192: deprecate _PyErr_ChainExceptions (#102935)Irit Katriel2023-04-011-1/+1
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* gh-102406: replace exception chaining by PEP-678 notes in codecs (#102407)Irit Katriel2023-03-211-18/+0
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* gh-102594: PyErr_SetObject adds note to exception raised on normalization ↵Irit Katriel2023-03-161-0/+4
| | | | error (#102675)
* GH-101578: Normalize the current exception (GH-101607)Mark Shannon2023-02-081-0/+1
| | | | | | | | | | * Make sure that the current exception is always normalized. * Remove redundant type and traceback fields for the current exception. * Add new API functions: PyErr_GetRaisedException, PyErr_SetRaisedException * Add new API functions: PyException_GetArgs, PyException_SetArgs
* gh-91058: Add error suggestions to 'import from' import errors (#98305)Pablo Galindo Salgado2022-10-251-0/+8
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* gh-87347: Add parenthesis around macro arguments (#93915)Victor Stinner2022-06-201-1/+1
| | | Add unit test on Py_MEMBER_SIZE() and some other macros.
* gh-89770: Implement PEP-678 - Exception notes (GH-31317)Irit Katriel2022-04-161-1/+1
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* gh-90501: Add PyErr_GetHandledException and PyErr_SetHandledException (GH-30531)Irit Katriel2022-04-151-0/+2
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* bpo-45607: Make it possible to enrich exception displays via setting their ↵Irit Katriel2021-12-031-1/+1
| | | | __note__ field (GH-29880)
* bpo-45848: Allow the parser to get error lines from encoded files (GH-29646)Pablo Galindo Salgado2021-11-201-0/+5
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* bpo-45292: [PEP 654] add the ExceptionGroup and BaseExceptionGroup classes ↵Irit Katriel2021-10-221-0/+6
| | | | (GH-28569)
* bpo-44094: Remove deprecated PyErr_ APIs. (GH-26011)Inada Naoki2021-05-131-18/+0
| | | These APIs are deprecated since Python 3.3. They are not documented too.
* bpo-44029: Remove Py_UNICODE APIs (GH-25881)Inada Naoki2021-05-071-24/+0
| | | | | | | | | | | | Remove deprecated `Py_UNICODE` APIs: `PyUnicode_Encode`, `PyUnicode_EncodeUTF7`, `PyUnicode_EncodeUTF8`, `PyUnicode_EncodeUTF16`, `PyUnicode_EncodeUTF32`, `PyUnicode_EncodeLatin1`, `PyUnicode_EncodeMBCS`, `PyUnicode_EncodeDecimal`, `PyUnicode_EncodeRawUnicodeEscape`, `PyUnicode_EncodeCharmap`, `PyUnicode_EncodeUnicodeEscape`, `PyUnicode_TransformDecimalToASCII`, `PyUnicode_TranslateCharmap`, `PyUnicodeEncodeError_Create`, `PyUnicodeTranslateError_Create`. See :pep:`393` and :pep:`624` for reference.
* bpo-43914: Highlight invalid ranges in SyntaxErrors (#25525)Pablo Galindo2021-04-231-0/+9
| | | | | | | | | | | | | | | | | To improve the user experience understanding what part of the error messages associated with SyntaxErrors is wrong, we can highlight the whole error range and not only place the caret at the first character. In this way: >>> foo(x, z for z in range(10), t, w) File "<stdin>", line 1 foo(x, z for z in range(10), t, w) ^ SyntaxError: Generator expression must be parenthesized becomes >>> foo(x, z for z in range(10), t, w) File "<stdin>", line 1 foo(x, z for z in range(10), t, w) ^^^^^^^^^^^^^^^^^^^^ SyntaxError: Generator expression must be parenthesized
* bpo-38530: Offer suggestions on NameError (GH-25397)Pablo Galindo2021-04-141-0/+5
| | | | | | | | | | | When printing NameError raised by the interpreter, PyErr_Display will offer suggestions of simmilar variable names in the function that the exception was raised from: >>> schwarzschild_black_hole = None >>> schwarschild_black_hole Traceback (most recent call last): File "<stdin>", line 1, in <module> NameError: name 'schwarschild_black_hole' is not defined. Did you mean: schwarzschild_black_hole?
* bpo-38530: Offer suggestions on AttributeError (#16856)Pablo Galindo2021-04-141-0/+6
| | | | | | | | | When printing AttributeError, PyErr_Display will offer suggestions of similar attribute names in the object that the exception was raised from: >>> collections.namedtoplo Traceback (most recent call last): File "<stdin>", line 1, in <module> AttributeError: module 'collections' has no attribute 'namedtoplo'. Did you mean: namedtuple?
* bpo-40170: Always define PyExceptionClass_Name() as a function (GH-24553)Erlend Egeberg Aasland2021-02-171-4/+0
| | | Remove macro variant of PyExceptionClass_Name().
* bpo-41098: Doc: Add missing deprecated directives (GH-21162)Inada Naoki2020-08-071-2/+8
| | | | PyUnicodeEncodeError_Create has been deprecated with `Py_DEPRECATED` macro. But it was not documented.
* bpo-39583: Remove superfluous "extern C" bits from Include/cpython/*.h ↵Skip Montanaro2020-06-011-8/+0
| | | | (GH-18413)
* bpo-40545: Export _PyErr_GetTopmostException() function (GH-19978)Victor Stinner2020-05-071-1/+1
| | | | | | | Declare _PyErr_GetTopmostException() with PyAPI_FUNC() to properly export the function in the C API. The function remains private ("_Py") prefix. Co-Authored-By: Julien Danjou <julien@danjou.info>
* bpo-39882: Add _Py_FatalErrorFormat() function (GH-19157)Victor Stinner2020-03-251-0/+5
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* bpo-39882: Py_FatalError() logs the function name (GH-18819)Victor Stinner2020-03-061-0/+6
| | | | | | | | | | | | The Py_FatalError() function is replaced with a macro which logs automatically the name of the current function, unless the Py_LIMITED_API macro is defined. Changes: * Add _Py_FatalErrorFunc() function. * Remove the function name from the message of Py_FatalError() calls which included the function name. * Update tests.
* bpo-39164: Add private _PyErr_GetExcInfo() function (GH-17752)Julien Danjou2020-01-131-0/+1
| | | | | | This adds a new function named _PyErr_GetExcInfo() that is a variation of the original PyErr_GetExcInfo() taking a PyThreadState as its first argument. That function allows to retrieve the exceptions information of any Python thread -- not only the current one.
* bpo-33407: Implement Py_DEPRECATED() on MSVC (GH-8980)Zackery Spytz2019-05-281-8/+10
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* 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-35724: Explicitly require the main interpreter for signal-handling. ↵Eric Snow2019-02-231-0/+1
| | | | | | | (GH-11530) Ensure that the main interpreter is active (in the main thread) for signal-handling operations. This is increasingly relevant as people use subinterpreters more. https://bugs.python.org/issue35724
* bpo-35134: Add Include/cpython/pyerrors.h (GH-10727)Victor Stinner2018-11-261-0/+176
Move pyerrors.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/pyerrors.h header file.
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