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* gh-94808:Improve coverage of PyObject_Print (GH-98749)MonadChains2024-04-011-1/+1
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* gh-87193: Support bytes objects with refcount > 1 in _PyBytes_Resize() ↵Serhiy Storchaka2024-03-251-1/+1
| | | | | (GH-117160) Create a new bytes object and destroy the old one if it has refcount > 1.
* gh-115754: Add Py_GetConstant() function (#116883)Victor Stinner2024-03-211-1/+1
| | | | | | | | | | | | Add Py_GetConstant() and Py_GetConstantBorrowed() functions. In the limited C API version 3.13, getting Py_None, Py_False, Py_True, Py_Ellipsis and Py_NotImplemented singletons is now implemented as function calls at the stable ABI level to hide implementation details. Getting these constants still return borrowed references. Add _testlimitedcapi/object.c and test_capi/test_object.py to test Py_GetConstant() and Py_GetConstantBorrowed() functions.
* gh-116417: Move limited C API complex.c tests to _testlimitedcapi (#117014)Victor Stinner2024-03-191-1/+1
| | | | Split complex.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi.
* gh-116417: Move limited C API dict.c tests to _testlimitedcapi (#117006)Victor Stinner2024-03-191-1/+1
| | | | Split dict.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi.
* gh-116417: Move limited C API long.c tests to _testlimitedcapi (#117001)Victor Stinner2024-03-191-1/+1
| | | | | | | * Split long.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi. * Move testcapi_long.h from Modules/_testcapi/ to Modules/_testlimitedcapi/. * Add MODULE__TESTLIMITEDCAPI_DEPS to Makefile.pre.in.
* gh-116417: Move limited C API unicode.c tests to _testlimitedcapi (#116993)Victor Stinner2024-03-191-1/+1
| | | | | | Split unicode.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi. Update test_codecs.
* gh-116417: Move limited C API abstract.c tests to _testlimitedcapi (#116986)Victor Stinner2024-03-191-1/+1
| | | | | | | Split abstract.c and float.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi. Update test_bytes and test_class.
* gh-116417: Move limited C API list.c tests to _testlimitedcapi (#116602)Victor Stinner2024-03-181-1/+1
| | | | | Split list.c and set.c tests of _testcapi into two parts: limited C API tests in _testlimitedcapi and non-limited C API tests in _testcapi.
* gh-116417: Move 4 limited C API test files to _testlimitedcapi (#116571)Victor Stinner2024-03-111-2/+2
| | | | | | | | | | | | | | | | Move the following files from Modules/_testcapi/ to Modules/_testlimitedcapi/: * bytearray.c * bytes.c * pyos.c * sys.c Changes: * Replace PyBytes_AS_STRING() with PyBytes_AsString(). * Replace PyBytes_GET_SIZE() with PyBytes_Size(). * Update related test_capi tests. * Copy Modules/_testcapi/util.h to Modules/_testlimitedcapi/util.h.
* gh-116303: Explicitly check for the _testsinglephase module in configure.ac ↵Erlend E. Aasland2024-03-071-1/+1
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* gh-116417: Add _testlimitedcapi C extension (#116419)Victor Stinner2024-03-071-1/+2
| | | | | | | | | | | | | Add a new C extension "_testlimitedcapi" which is only built with the limited C API. Move heaptype_relative.c and vectorcall_limited.c from Modules/_testcapi/ to Modules/_testlimitedcapi/. * configure: add _testlimitedcapi test extension. * Update generate_stdlib_module_names.py. * Update make check-c-globals. Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-115773: Add tests to exercise the _Py_DebugOffsets structure (#115774)Pablo Galindo Salgado2024-02-281-0/+1
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* gh-110850: Add PyTime_t C API (GH-115215)Petr Viktorin2024-02-121-1/+1
| | | | | | | | | | | | * gh-110850: Add PyTime_t C API Add PyTime_t API: * PyTime_t type. * PyTime_MIN and PyTime_MAX constants. * PyTime_AsSecondsDouble(), PyTime_Monotonic(), PyTime_PerfCounter() and PyTime_GetSystemClock() functions. Co-authored-by: Victor Stinner <vstinner@python.org>
* gh-76785: More Fixes for test.support.interpreters (gh-113012)Eric Snow2023-12-121-0/+3
| | | This brings the module (along with the associated extension modules) mostly in sync with PEP 734. There are only a few small things to wrap up.
* gh-111545: Test PyHash_GetFuncDef() function (#112098)Victor Stinner2023-11-151-1/+1
| | | Add Modules/_testcapi/hash.c and Lib/test/test_capi/test_hash.py.
* gh-111569: Implement Python critical section API (gh-111571)Sam Gross2023-11-081-1/+1
| | | | | | | | Critical sections are helpers to replace the global interpreter lock with finer grained locking. They provide similar guarantees to the GIL and avoid the deadlock risk that plain locking involves. Critical sections are implicitly ended whenever the GIL would be released. They are resumed when the GIL would be acquired. Nested critical sections behave as if the sections were interleaved.
* gh-111495: add stub files for C API test modules (GH-111586)Sergey B Kirpichev2023-11-011-1/+1
| | | | | This is to reduce merge conflicts (Modules/Setup.stdlib.in) for subsequent pull requests for the issue.
* gh-111065: Add more tests for the C API with the PySys_ prefix (GH-111067)Serhiy Storchaka2023-10-251-1/+1
| | | | | | | * Move existing tests for PySys_GetObject() and PySys_SetObject() into specialized files. * Add test for PySys_GetXOptions() using _testcapi. * Add tests for PySys_FormatStdout(), PySys_FormatStderr(), PySys_WriteStdout() and PySys_WriteStderr() using ctypes.
* gh-110525: Add tests for internal `set` CAPI (GH-110630)Nikita Sobolev2023-10-101-1/+1
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* gh-110525: Add CAPI tests for set and frozenset objects (GH-110526)Nikita Sobolev2023-10-091-1/+1
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* gh-108724: Add PyMutex and _PyParkingLot APIs (gh-109344)Sam Gross2023-09-191-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | PyMutex is a one byte lock with fast, inlineable lock and unlock functions for the common uncontended case. The design is based on WebKit's WTF::Lock. PyMutex is built using the _PyParkingLot APIs, which provides a cross-platform futex-like API (based on WebKit's WTF::ParkingLot). This internal API will be used for building other synchronization primitives used to implement PEP 703, such as one-time initialization and events. This also includes tests and a mini benchmark in Tools/lockbench/lockbench.py to compare with the existing PyThread_type_lock. Uncontended acquisition + release: * Linux (x86-64): PyMutex: 11 ns, PyThread_type_lock: 44 ns * macOS (arm64): PyMutex: 13 ns, PyThread_type_lock: 18 ns * Windows (x86-64): PyMutex: 13 ns, PyThread_type_lock: 38 ns PR Overview: The primary purpose of this PR is to implement PyMutex, but there are a number of support pieces (described below). * PyMutex: A 1-byte lock that doesn't require memory allocation to initialize and is generally faster than the existing PyThread_type_lock. The API is internal only for now. * _PyParking_Lot: A futex-like API based on the API of the same name in WebKit. Used to implement PyMutex. * _PyRawMutex: A word sized lock used to implement _PyParking_Lot. * PyEvent: A one time event. This was used a bunch in the "nogil" fork and is useful for testing the PyMutex implementation, so I've included it as part of the PR. * pycore_llist.h: Defines common operations on doubly-linked list. Not strictly necessary (could do the list operations manually), but they come up frequently in the "nogil" fork. ( Similar to https://man.freebsd.org/cgi/man.cgi?queue) --------- Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
* gh-108777: Split _PyTime tests from _testinternalcapi.c (gh-108787)Sam Gross2023-09-021-1/+1
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* gh-108337: Add pyatomic.h header (#108701)Victor Stinner2023-08-311-1/+1
| | | | | | | | This adds a new header that provides atomic operations on common data types. The intention is that this will be exposed through Python.h, although that is not the case yet. The only immediate use is in the test file. Co-authored-by: Sam Gross <colesbury@gmail.com>
* gh-108494: Don't build _testclinic_limited with TraceRefs (#108608)Victor Stinner2023-08-291-1/+1
| | | | | If Python is built with ./configure --with-trace-refs, don't build the _testclinic_limited extension. The limited C API (Py_LIMITED_API) is not compatible with Py_TRACE_REFS.
* gh-108494: Argument Clinic partial supports of Limited C API (#108495)Victor Stinner2023-08-251-0/+1
| | | | | | | | | | Argument Clinic now has a partial support of the Limited API: * Add --limited option to clinic.c. * Add '_testclinic_limited' extension which is built with the limited C API version 3.13. * For now, hardcode in clinic.py that "_testclinic_limited.c" targets the limited C API.
* gh-107178: Add the C API tests for the Abstract Objects Layer (GH-107179)Serhiy Storchaka2023-08-071-1/+1
| | | | | | | | | | Cover all the Mapping Protocol, almost all the Sequence Protocol (except PySequence_Fast) and a part of the Object Protocol. Move existing tests to Lib/test/test_capi/test_abstract.py and Modules/_testcapi/abstract.c. Add also tests for PyDict C API.
* gh-106316: Remove pytime.h header file (#106317)Victor Stinner2023-07-011-1/+1
| | | | | | | | | | | | | | | | | Remove the "cpython/pytime.h" header file: it only contained private functions. Move functions to the internal pycore_time.h header file. Move tests from _testcapi to _testinternalcapi. Rename also test methods to have the same name than tested C functions. No longer export these functions: * _PyTime_Add() * _PyTime_As100Nanoseconds() * _PyTime_FromMicrosecondsClamp() * _PyTime_FromTimespec() * _PyTime_FromTimeval() * _PyTime_GetPerfCounterWithInfo() * _PyTime_MulDiv()
* gh-104773: PEP 594: Remove the audioop module (#104937)Victor Stinner2023-05-251-1/+0
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* gh-104773: PEP 594: Remove the crypt module (#104908)Victor Stinner2023-05-251-2/+0
| | | | Remove the crypt module and its private _crypt extension, deprecated in Python 3.11.
* gh-104773: PEP 594: Remove the nis module (#104897)Victor Stinner2023-05-241-3/+0
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* gh-104773: PEP 594: Remove the spwd module (#104871)Victor Stinner2023-05-241-2/+0
| | | Remove spwd from the configure script and Modules/Setup.
* gh-99108: Refresh HACL* (#104808)Jonathan Protzenko2023-05-241-1/+1
| | | Refresh HACL* from upstream to improve SHA2 performance and fix a 32-bit issue in SHA3.
* gh-104773: PEP 594: Remove the ossaudiodev module (#104862)Victor Stinner2023-05-241-1/+0
| | | | | * Remove ossaudiodev extension in configure.ac and regenerate the configure script. * Remove ossaudiodev in Modules/Setup and Modules/Setup.stdlib.in.
* gh-103763: Implement PEP 695 (#103764)Jelle Zijlstra2023-05-161-1/+0
| | | | | | | | | | | | | | This implements PEP 695, Type Parameter Syntax. It adds support for: - Generic functions (def func[T](): ...) - Generic classes (class X[T](): ...) - Type aliases (type X = ...) - New scoping when the new syntax is used within a class body - Compiler and interpreter changes to support the new syntax and scoping rules Co-authored-by: Marc Mueller <30130371+cdce8p@users.noreply.github.com> Co-authored-by: Eric Traut <eric@traut.com> Co-authored-by: Larry Hastings <larry@hastings.org> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
* gh-93649: Split gc- and allocation tests from _testcapimodule.c (GH-104403)Jurica Bradarić2023-05-121-1/+1
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* gh-99108: Replace SHA3 implementation HACL* version (#103597)Jonathan Protzenko2023-05-081-1/+1
| | | | | | | | | | | Replaces our built-in SHA3 implementation with a verified one from the HACL* project. This implementation is used when OpenSSL does not provide SHA3 or is not present. 3.11 shiped with a very slow tiny sha3 implementation to get off of the <=3.10 reference implementation that wound up having serious bugs. This brings us back to a reasonably performing built-in implementation consistent with what we've just replaced our other guaranteed available standard hash algorithms with: code from the HACL* project. --------- Co-authored-by: Gregory P. Smith <greg@krypto.org>
* gh-102500: Implement PEP 688 (#102521)Jelle Zijlstra2023-05-041-1/+1
| | | Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
* gh-103509: PEP 697 -- Limited C API for Extending Opaque Types (GH-103511)Petr Viktorin2023-05-041-1/+1
| | | | Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-84436: Add integration C API tests for immortal objects (gh-103962)Dong-hee Na2023-05-021-1/+1
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* GH-94808: Cover `PyOS_mystrnicmp` and `PyOS_mystricmp` (gh-102469)Artem Mukhin2023-03-221-1/+1
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* gh-101101: Unstable C API tier (PEP 689) (GH-101102)Petr Viktorin2023-02-281-1/+1
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* gh-93649: Split exception tests from _testcapimodule.c (GH-102173)Erlend E. Aasland2023-02-231-1/+1
| | | Automerge-Triggered-By: GH:erlend-aasland
* gh-99108: Import MD5 and SHA1 from HACL* (#102089)Jonathan Protzenko2023-02-221-2/+2
| | | Replaces our fallback non-OpenSSL MD5 and SHA1 implementations with those from HACL* as we've already done with SHA2.
* gh-99108: Refactor _sha256 & _sha512 into _sha2. (#101924)Gregory P. Smith2023-02-161-2/+1
| | | | | | | | | This merges their code. They're backed by the same single HACL* static library, having them be a single module simplifies maintenance. This should unbreak the wasm enscripten builds that currently fail due to linking in --whole-archive mode and the HACL* library appearing twice. Long unnoticed error fixed: _sha512.SHA384Type was doubly assigned and was actually SHA512Type. Nobody depends on those internal names. Also rename LIBHACL_ make vars to LIBHACL_SHA2_ in preperation for other future HACL things.
* gh-99108: Build the hashlib HACL* code as a static library. (#101917)Gregory P. Smith2023-02-141-2/+2
| | | | | | This builds HACL* as a library in one place. A followup to #101707 which broke some WASM builds. This fixes 2/4 of them, but the enscripten toolchain in the others don't deduplicate linker arguments and error out. A follow-on PR will address those.
* gh-99108: Import SHA2-384/512 from HACL* (#101707)Jonathan Protzenko2023-02-141-1/+1
| | | | | | Replace the builtin hashlib implementations of SHA2-384 and SHA2-512 originally from LibTomCrypt with formally verified, side-channel resistant code from the [HACL*](https://github.com/hacl-star/hacl-star/) project. The builtins remain a fallback only used when OpenSSL does not provide them.
* gh-99108: Replace SHA2-224 & 256 with verified code from HACL* (#99109)Jonathan Protzenko2023-02-071-1/+1
| | | | | | | | | | | | | | | | | | | | | | replacing hashlib primitives (for the non-OpenSSL case) with verified implementations from HACL*. This is the first PR in the series, and focuses specifically on SHA2-256 and SHA2-224. This PR imports Hacl_Streaming_SHA2 into the Python tree. This is the HACL* implementation of SHA2, which combines a core implementation of SHA2 along with a layer of buffer management that allows updating the digest with any number of bytes. This supersedes the previous implementation in the tree. @franziskuskiefer was kind enough to benchmark the changes: in addition to being verified (thus providing significant safety and security improvements), this implementation also provides a sizeable performance boost! ``` --------------------------------------------------------------- Benchmark Time CPU Iterations --------------------------------------------------------------- Sha2_256_Streaming 3163 ns 3160 ns 219353 // this PR LibTomCrypt_Sha2_256 5057 ns 5056 ns 136234 // library used by Python currently ``` The changes in this PR are as follows: - import the subset of HACL* that covers SHA2-256/224 into `Modules/_hacl` - rewire sha256module.c to use the HACL* implementation Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* gh-101524: Split Up the _xxsubinterpreters Module (gh-101526)Eric Snow2023-02-041-0/+1
| | | | | This is step 1 in potentially dropping all the "channel"-related code. Channels have already been removed from PEP 554. https://github.com/python/cpython/issues/101524
* gh-47146: Soft-deprecate structmember.h, expose its contents via Python.h ↵Petr Viktorin2022-11-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (GH-99014) The ``structmember.h`` header is deprecated, though it continues to be available and there are no plans to remove it. There are no deprecation warnings. Old code can stay unchanged (unless the extra include and non-namespaced macros bother you greatly). Specifically, no uses in CPython are updated -- that would just be unnecessary churn. The ``structmember.h`` header is deprecated, though it continues to be available and there are no plans to remove it. Its contents are now available just by including ``Python.h``, with a ``Py`` prefix added if it was missing: - `PyMemberDef`, `PyMember_GetOne` and`PyMember_SetOne` - Type macros like `Py_T_INT`, `Py_T_DOUBLE`, etc. (previously ``T_INT``, ``T_DOUBLE``, etc.) - The flags `Py_READONLY` (previously ``READONLY``) and `Py_AUDIT_READ` (previously all uppercase) Several items are not exposed from ``Python.h``: - `T_OBJECT` (use `Py_T_OBJECT_EX`) - `T_NONE` (previously undocumented, and pretty quirky) - The macro ``WRITE_RESTRICTED`` which does nothing. - The macros ``RESTRICTED`` and ``READ_RESTRICTED``, equivalents of `Py_AUDIT_READ`. - In some configurations, ``<stddef.h>`` is not included from ``Python.h``. It should be included manually when using ``offsetof()``. The deprecated header continues to provide its original contents under the original names. Your old code can stay unchanged, unless the extra include and non-namespaced macros bother you greatly. There is discussion on the issue to rename `T_PYSSIZET` to `PY_T_SSIZE` or similar. I chose not to do that -- users will probably copy/paste that with any spelling, and not renaming it makes migration docs simpler. Co-Authored-By: Alexander Belopolsky <abalkin@users.noreply.github.com> Co-Authored-By: Matthias Braun <MatzeB@users.noreply.github.com>
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