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* gh-131238: Remove includes from pycore_interp.h (#131495)Victor Stinner2025-03-20
| | | Remove also now unused includes in C files.
* gh-128911: Use PyImport_ImportModuleAttr() function (#129657)Victor Stinner2025-02-05
| | | | | | * Replace PyImport_ImportModule() + PyObject_GetAttr() with PyImport_ImportModuleAttr(). * Replace PyImport_ImportModule() + PyObject_GetAttrString() with PyImport_ImportModuleAttrString().
* gh-129354: Fix grammar in PyErr_FormatUnraisable() (#129475)Victor Stinner2025-01-31
| | | Replace "on verb+ing" with "while verb+ing".
* gh-127165: Disallow embedded NULL characters in `_interpreters` (#127199)Peter Bierma2024-12-01
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* gh-126986: Drop _PyInterpreterState_FailIfNotRunning() (gh-126988)Eric Snow2024-11-19
| | | We replace it with _PyErr_SetInterpreterAlreadyRunning().
* gh-76785: Improved Subinterpreters Compatibility with 3.12 (2/2) (gh-126707)Eric Snow2024-11-12
| | | | | | | | | These changes makes it easier to backport the _interpreters, _interpqueues, and _interpchannels modules to Python 3.12. This involves the following: * add the _PyXI_GET_STATE() and _PyXI_GET_GLOBAL_STATE() macros * add _PyXIData_lookup_context_t and _PyXIData_GetLookupContext() * add _Py_xi_state_init() and _Py_xi_state_fini()
* gh-76785: Improved Subinterpreters Compatibility with 3.12 (1/2) (gh-126704)Eric Snow2024-11-11
| | | | | | | | | These changes makes it easier to backport the _interpreters, _interpqueues, and _interpchannels modules to Python 3.12. This involves the following: * rename several structs and typedefs * add several typedefs * stop using the PyThreadState.state field directly in parking_lot.c
* gh-76785: Minor Cleanup of Exception-related Cross-interpreter State (gh-126602)Eric Snow2024-11-11
| | | This change makes it easier to backport the _interpreters, _interpqueues, and _interpchannels modules to Python 3.12.
* gh-76785: Minor Cleanup of "Cross-interpreter" Code (gh-126457)Eric Snow2024-11-07
| | | | | | | | The primary objective here is to allow some later changes to be cleaner. Mostly this involves renaming things and moving a few things around. * CrossInterpreterData -> XIData * crossinterpdatafunc -> xidatafunc * split out pycore_crossinterp_data_registry.h * add _PyXIData_lookup_t
* Fix typos in docs, error messages and comments (#122502)jianghuyiyuan2024-08-01
| | | Signed-off-by: jianghuyiyuan <shuangcui@live.com>
* gh-121040: Use __attribute__((fallthrough)) (#121044)Victor Stinner2024-06-27
| | | | | | | | | | | | | Fix warnings when using -Wimplicit-fallthrough compiler flag. Annotate explicitly "fall through" switch cases with a new _Py_FALLTHROUGH macro which uses __attribute__((fallthrough)) if available. Replace "fall through" comments with _Py_FALLTHROUGH. Add _Py__has_attribute() macro. No longer define __has_attribute() macro if it's not defined. Move also _Py__has_builtin() at the top of pyport.h. Co-Authored-By: Nikita Sobolev <mail@sobolevn.me>
* gh-120838: Add _PyThreadState_WHENCE_FINI (gh-121010)Eric Snow2024-06-25
| | | | | We also add _PyThreadState_NewBound() and drop _PyThreadState_SetWhence(). This change only affects internal API.
* gh-76785: Handle Legacy Interpreters Properly (gh-117490)Eric Snow2024-04-11
| | | This is similar to the situation with threading._DummyThread. The methods (incl. __del__()) of interpreters.Interpreter objects must be careful with interpreters not created by interpreters.create(). The simplest thing to start with is to disable any method that modifies or runs in the interpreter. As part of this, the runtime keeps track of where an interpreter was created. We also handle interpreter "refcounts" properly.
* gh-76785: Add More Tests to test_interpreters.test_api (gh-117662)Eric Snow2024-04-10
| | | In addition to the increase test coverage, this is a precursor to sorting out how we handle interpreters created directly via the C-API.
* gh-76785: Raise InterpreterError, Not RuntimeError (gh-117489)Eric Snow2024-04-03
| | | | | I had meant to switch everything to InterpreterError when I added it a while back. At the time I missed a few key spots. As part of this, I've added print-the-exception to _PyXI_InitTypes() and fixed an error case in `_PyStaticType_InitBuiltin().
* gh-111696, PEP 737: Add PyType_GetModuleName() function (#116824)Victor Stinner2024-03-14
| | | Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
* gh-76785: Improved Subinterpreters Compatibility with 3.12 (gh-115424)Eric Snow2024-02-13
| | | | | For the most part, these changes make is substantially easier to backport subinterpreter-related code to 3.12, especially the related modules (e.g. _xxsubinterpreters). The main motivation is to support releasing a PyPI package with the 3.13 capabilities compiled for 3.12. A lot of the changes here involve either hiding details behind macros/functions or splitting up some files.
* gh-76785: Avoid Pickled TracebackException for Propagated Subinterpreter ↵Eric Snow2023-12-13
| | | | | Exceptions (gh-113036) We need the TracebackException of uncaught exceptions for a single purpose: the error display. Thus we only need to pass the formatted error display between interpreters. Passing a pickled TracebackException is overkill.
* gh-76785: Show the Traceback for Uncaught Subinterpreter Exceptions (gh-113034)Eric Snow2023-12-13
| | | When an exception is uncaught in Interpreter.exec_sync(), it helps to show that exception's error display if uncaught in the calling interpreter. We do so here by generating a TracebackException in the subinterpreter and passing it between interpreters using pickle.
* gh-76785: Fixes for test.support.interpreters (gh-112982)Eric Snow2023-12-12
| | | This involves a number of changes for PEP 734.
* gh-111924: Use PyMutex for Runtime-global Locks. (gh-112207)Sam Gross2023-12-07
| | | | | This replaces some usages of PyThread_type_lock with PyMutex, which does not require memory allocation to initialize. This simplifies some of the runtime initialization and is also one step towards avoiding changing the default raw memory allocator during initialize/finalization, which can be non-thread-safe in some circumstances.
* gh-76785: Return an "excinfo" Object From Interpreter.run() (gh-111573)Eric Snow2023-11-23
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* gh-111623: Add Support for Cross-interpreter tuples (gh-111628)Anthony Shaw2023-11-07
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* gh-76785: Move _Py_excinfo Functions Out of the Internal C-API (gh-111715)Eric Snow2023-11-06
| | | | | I added _Py_excinfo to the internal API (and added its functions in Python/errors.c) in gh-111530 (9322ce9). Since then I've had a nagging sense that I should have added the type and functions in its own PR. While I do plan on using _Py_excinfo outside crossinterp.c very soon (see gh-111572/gh-111573), I'd still feel more comfortable if the _Py_excinfo stuff went in as its own PR. Hence, here we are. (FWIW, I may combine that with gh-111572, which I may, in turn, combine with gh-111573. We'll see.)
* gh-111684: Avoid a Compiler Warning (gh-111706)Eric Snow2023-11-03
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* gh-76785: Minor Fixes in crossinterp.c (gh-111671)Eric Snow2023-11-03
| | | There were a few corner cases I didn't handle properly in gh-111530, which I've noticed while working on a follow-up PR. This fixes those cases.
* GH-111435: Add Support for Sharing True and False Between Interpreters ↵Anthony Shaw2023-11-02
| | | | | (gh-111436) This only affects users of the APIs in pycore_crossinterp.h (AKA _xxsubinterpretersmodule.c and _xxinterpchannels.c).
* gh-76785: Crossinterp utils additions (gh-111530)Eric Snow2023-11-01
| | | | | | | | | | | | This moves several general internal APIs out of _xxsubinterpretersmodule.c and into the new Python/crossinterp.c (and the corresponding internal headers). Specifically: * _Py_excinfo, etc.: the initial implementation for non-object exception snapshots (in pycore_pyerrors.h and Python/errors.c) * _PyXI_exception_info, etc.: helpers for passing an exception beween interpreters (wraps _Py_excinfo) * _PyXI_namespace, etc.: helpers for copying a dict of attrs between interpreters * _PyXI_Enter(), _PyXI_Exit(): functions that abstract out the transitions between one interpreter and a second that will do some work temporarily Again, these were all abstracted out of _xxsubinterpretersmodule.c as generalizations. I plan on proposing these as public API at some point.
* GH-111438: Add Support for Sharing Floats Between Interpreters (gh-111439)Anthony Shaw2023-10-31
| | | This only affects users of the APIs in pycore_crossinterp.h (AKA _xxsubinterpretersmodule.c and _xxinterpchannels.c).
* gh-76785: Move the Cross-Interpreter Code to Its Own File (gh-111502)Eric Snow2023-10-30
This is partly to clear this stuff out of pystate.c, but also in preparation for moving some code out of _xxsubinterpretersmodule.c. This change also moves this stuff to the internal API (new: Include/internal/pycore_crossinterp.h). @vstinner did this previously and I undid it. Now I'm re-doing it. :/
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