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* gh-138122: Split Modules/_remote_debugging_module.c into multiple files ↵Pablo Galindo Salgado2025-11-251-1/+1
| | | | | (#141934) gh-1381228: Split Modules/_remote_debugging_module.c into multiple files
* gh-81313: Add the math.integer module (PEP-791) (GH-133909)Serhiy Storchaka2025-10-311-0/+1
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* GH-132983: Build ``_zstd`` on Windows (#133366)Adam Turner2025-05-051-1/+1
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* GH-91048: Minor fixes for ``_remotedebugging`` & rename to ↵Adam Turner2025-05-051-1/+1
| | | | ``_remote_debugging`` (#133398)
* gh-132983: Introduce `_zstd` bindings module (GH-133027)Emma Smith2025-05-041-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Add _zstd module for https://peps.python.org/pep-0784/ This commit introduces the `_zstd` module, with bindings to libzstd from the pyzstd project. It also includes the unix build system configuration. Windows build system support will be integrated independently as it depends on integration with cpython-source-deps. * Add _zstd to modules * Fix path for compression.zstd module * Ignore _zstd module like _io * Expand module state macros to improve code quality Also removes module state references from the classes in the _zstd module and instead uses PyType_GetModuleState() * Remove backticks suggested in review Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com> * Use critical sections to lock object state This should avoid races and deadlocks. * Remove compress/decompress and mark module as not reliant on the GIL The `compress`/`decompress` functions will be moved to Python code for simplicity. C implementations can always be re-added in the future. Also, mark _zstd as not requiring the GIL. * Lift critical section to avoid clang warning * Respond to comments by picnixz * Call out pyzstd explicitly in license description Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> * Use a much more robust implementation... ... for `get_zstd_state_from_type` Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> * Use PyList_GetItemRef for thread safety purposes * Use a macro for the minimum supported version * remove const from primivite types * Use PyMem_New in another spot * Simplify error handling in _get_frame_size * Another simplification of error handling in get_frame_info * Rename _module_state to mod_state * Rewrite comment explaining the context of the code * Add link to pyzstd * Add TODO about refactoring dict training code * Use PyModule_AddObjectRef over PyModule_AddObject PyModule_AddObject is soft-deprecated, so we should use PyModule_AddObjectRef * Check result of OutputBufferGrow * Simplify return logic in `add_constant_to_type` Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> * Ignore return value of _zstd_clear() Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com> * Remove redundant comments * Remove __reduce__ from ZstdDict We should instead document that to pickle a dictionary a user should use the `.dict_content` attribute. * Use PyUnicode_FromFormat instead of a buffer * Don't use C constants/types in error messages * Make error messages easier to understand for Python users * Lower minimum required version 1.4.0 * Use casts and make slot function signatures correct * Be consistent with CPython on const usage * Make else clauses in line with PEP 7 * Fix over-indented blocks in argument clinic * Add critical section around ZSTD_DCtx_setParameter * Add a TODO about refactoring critical sections * Use Py_UNREACHABLE * Move bytes operations out of Py_BEGIN_ALLOW_THREADS * Add TODO about ensuring a lock is held * Remove asserts that may not be correct * Add TODO to make ZstdDict and others GC objects * Make objects GC tracked * Remove unused include * Fix some memory issues * Fix refleaks on module and in ZstdDict * Update configure to check for ZDICT_finalizeDictionary * Properly check version in configure * exit(1) if check fails * Use AC_RUN_IFELSE * Use a define() to re-use version check * Actually properly set _zstd module status based on version --------- Co-authored-by: Stan Ulbrych <89152624+StanFromIreland@users.noreply.github.com> Co-authored-by: Adam Turner <9087854+AA-Turner@users.noreply.github.com> Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
* GH-91048: Add utils for printing the call stack for asyncio tasks (#133284)Pablo Galindo Salgado2025-05-041-1/+1
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* gh-131298: update `Modules/Setup` after HACL* static linking changes (#133012)Anthony Sottile2025-04-261-6/+6
| | | This was overlooked in 5f2ba152a0471f6f556ca2d9486e5ba486fcfbde.
* gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)Neil Schemenauer2025-04-091-1/+0
| | | | | | | | | | | | | | | | | | | | Make `warnings.catch_warnings()` use a context variable for holding the warning filtering state if the `sys.flags.context_aware_warnings` flag is set to true. This makes using the context manager thread-safe in multi-threaded programs. Add the `sys.flags.thread_inherit_context` flag. If true, starting a new thread with `threading.Thread` will use a copy of the context from the caller of `Thread.start()`. Both these flags are set to true by default for the free-threaded build and false for the default build. Move the Python implementation of warnings.py into _py_warnings.py. Make _contextvars a builtin module. Co-authored-by: Kumar Aditya <kumaraditya@python.org>
* gh-109599: Expose `CapsuleType` via the `_types` module (#131969)Adam Turner2025-04-041-0/+1
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* gh-99108: Implement HACL* HMAC (#130157)Bénédikt Tran2025-04-041-5/+6
| | | | | | | A new extension module, `_hmac`, now exposes the HACL* HMAC (formally verified) implementation. The HACL* implementation is used as a fallback implementation when the OpenSSL implementation of HMAC is not available or disabled. For now, only named hash algorithms are recognized and SIMD support provided by HACL* for the BLAKE2 hash functions is not yet used.
* GH-99108: Amend Modules/Setup (#123146)Jonathan Protzenko2024-08-231-1/+1
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* gh-76785: Rename _xxsubinterpreters to _interpreters (gh-117791)Eric Snow2024-04-241-3/+3
| | | See https://discuss.python.org/t/pep-734-multiple-interpreters-in-the-stdlib/41147/26.
* gh-115773: Add tests to exercise the _Py_DebugOffsets structure (#115774)Pablo Galindo Salgado2024-02-281-0/+1
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* gh-76785: More Fixes for test.support.interpreters (gh-113012)Eric Snow2023-12-121-0/+1
| | | 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-88402: Add new sysconfig variables on Windows (GH-110049)Sam Gross2023-10-041-0/+1
| | | | Co-authored-by: Filipe Laíns <filipe.lains@gmail.com>
* 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 Stinner2023-05-251-4/+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 Stinner2023-05-241-1/+0
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* gh-104773: PEP 594: Remove the spwd module (#104871)Victor Stinner2023-05-241-1/+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 Stinner2023-05-241-2/+1
| | | | | * Remove ossaudiodev extension in configure.ac and regenerate the configure script. * Remove ossaudiodev in Modules/Setup and Modules/Setup.stdlib.in.
* gh-99108: fix typo in Modules/Setup (#104293)Jonathan Protzenko2023-05-081-1/+1
| | | case sensitive filename
* 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-99108: Add missing md5/sha1 defines to Modules/Setup (#102308)Anthony Sottile2023-02-281-2/+2
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* gh-99108: Followup fix for Modules/Setup (GH-102183)Jonathan Protzenko2023-02-231-2/+2
| | | 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-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-98627: Add the _testsinglephase Module (gh-99039)Eric Snow2022-11-081-0/+1
| | | | | This makes it more clear that a given test is definitely testing against a single-phase init (legacy) extension module. The new module is a companion to _testmultiphase. https://github.com/python/cpython/issues/98627
* gh-93939: Build C extensions without setup.py (GH-94474)Christian Heimes2022-07-141-1/+1
| | | Combines GH-93940, GH-94452, and GH-94433
* bpo-45847: Port _scproxy to PY_STDLIB_MOD (GH-29644)Christian Heimes2021-11-201-2/+2
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* bpo-45573: Move mandatory core modules to Modules/Setup.bootstrap (GH-29616)Christian Heimes2021-11-191-25/+2
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* bpo-45774: Autoconfiscate SQLite detection (GH-29507)Erlend Egeberg Aasland2021-11-191-1/+0
| | | Co-authored-by: Christian Heimes <christian@python.org>
* bpo-45573: Introduce extension module flags in Makefile (GH-29594)Christian Heimes2021-11-181-3/+12
| | | | | | | | | | | | | | | | | | ``configure`` now uses a standardized format to forward state, compiler flags, and linker flags to ``Makefile``, ``setup.py``, and ``Modules/Setup``. ``makesetup`` use the new variables by default if a module line does not contain any compiler or linker flags. ``setup.py`` has a new function ``addext()``. For a module ``egg``, configure adds: * ``MODULE_EGG`` with value yes, missing, disabled, or n/a * ``MODULE_EGG_CFLAGS`` * ``MODULE_EGG_LDFLAGS`` ``Makefile.pre.in`` may also provide ``MODULE_EGG_DEPS`` that lists dependencies such as header files and static libs. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45800: Move pyexpat build setup into configure (GH-29547)Christian Heimes2021-11-141-2/+2
| | | | | | Settings for :mod:`pyexpat` C extension are now detected by ``configure``. The bundled ``expat`` library is built in ``Makefile``. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45798: Move _decimal build setup into configure (GH-29541)Christian Heimes2021-11-131-2/+1
| | | | | | | Settings for :mod:`decimal` internal C extension are now detected by :program:`configure`. The bundled `libmpdec` library is built in ``Makefile``. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45747: Detect gdbm/dbm dependencies in configure (GH-29467)Christian Heimes2021-11-101-1/+1
| | | Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
* bpo-45548: Some test modules must be built as shared libs (GH-29268)Christian Heimes2021-10-291-4/+6
| | | | | | | | | | | | | Some test cases don't work when test modules are static extensions. Add dependency on Modules/config.c to trigger a rebuild whenever a module build type is changed. ``makesetup`` puts shared extensions into ``Modules/`` directory. Create symlinks from pybuilddir so the extensions can be imported. Note: It is not possible to use the content of pybuilddir.txt as a build target. Makefile evaluates target variables in the first pass. The pybuilddir.txt file does not exist at that point.
* bpo-45548: Fix out-of-tree and Debian builds (GH-29263)Christian Heimes2021-10-281-55/+52
| | | | | | | | | | | | | | | Add Modules subdirs to SRCDIRS to generate directories for out-of-tree object files. Debian wants ncurses lib. Works on Fedora, too. Debian also needs pkg-config to detect correct flags. Remove more outdated comments. Makefile now tracks header dependencies -lintl is injected by configure when needed. Build _dbm with gdbm-compat. Group some modules by purpose. socket, select, and mmap work on Windows, too.
* bpo-45548: Add missing extensions to Modules/Setup (GH-29199)Christian Heimes2021-10-251-33/+33
| | | | | | | | | | Adds _ctypes, _decimal, _multiprocessing, _posixshmem, _scproxy, _sqlite3, and _uuid. Use Makefile variables to build OpenSSL and TCL/TK modules. Drop ``-lm`` from math lines. Extensions are always linked against libm. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45548: Remove _math.c workarounds for pre-C99 libm (GH-29179)Christian Heimes2021-10-251-2/+2
| | | | | | | | | | | | | The :mod:`math` and :mod:`cmath` implementation now require a C99 compatible ``libm`` and no longer ship with workarounds for missing acosh, asinh, expm1, and log1p functions. The changeset also removes ``_math.c`` and moves the last remaining workaround into ``_math.h``. This simplifies static builds with ``Modules/Setup`` and resolves symbol conflicts. Co-authored-by: Mark Dickinson <mdickinson@enthought.com> Co-authored-by: Brett Cannon <brett@python.org> Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45570: Simplify setup macros for pyexpat (GH-29159)Christian Heimes2021-10-221-2/+2
| | | | | | | | * ``HAVE_EXPAT_CONFIG_H`` is not used by our code and not used by system-wide expat header files * ``USE_PYEXPAT_CAPI`` is no longer used by our code * ``XML_POOR_ENTROPY`` should be defined in expat_config.h Signed-off-by: Christian Heimes <christian@python.org>
* bpo-43974: Move Py_BUILD_CORE_MODULE into module code (GH-29157)Christian Heimes2021-10-221-31/+31
| | | | | | | | | | | | | | setup.py no longer defines Py_BUILD_CORE_MODULE. Instead every module defines the macro before #include "Python.h" unless Py_BUILD_CORE_BUILTIN is already defined. Py_BUILD_CORE_BUILTIN is defined for every module that is built by Modules/Setup. The PR also simplifies Modules/Setup. Makefile and makesetup already define Py_BUILD_CORE_BUILTIN and include Modules/internal for us. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45548: Make `Modules/Setup` easier to read (GH-29143)Brett Cannon2021-10-221-196/+115
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* bpo-45548: add some missing entries to `Modules/Setup` (GH-29115)Brett Cannon2021-10-211-2/+20
| | | Also remove a duplicate entry for `_weakref`.
* bpo-45434: Remove pystrhex.h header file (GH-28923)Victor Stinner2021-10-131-9/+13
| | | | | | | | | | | | | | | Move Include/pystrhex.h to Include/internal/pycore_strhex.h. The header file only contains private functions. The following C extensions are now built with Py_BUILD_CORE_MODULE macro defined to get access to the internal C API: * _blake2 * _hashopenssl * _md5 * _sha1 * _sha3 * _ssl * binascii
* bpo-44353: Implement typing.NewType __call__ method in C (#27262)Yurii Karabas2021-07-221-0/+1
| | | | Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Denis Laxalde <denis@laxalde.org>
* bpo-40137: Add pycore_moduleobject.h internal header (GH-25507)Victor Stinner2021-04-211-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pycore_moduleobject.h internal header file with static inline functions to access module members: * _PyModule_GetDict() * _PyModule_GetDef() * _PyModule_GetState() These functions don't check at runtime if their argument has a valid type and can be inlined even if Python is not built with LTO. _PyType_GetModuleByDef() uses _PyModule_GetDef(). Replace PyModule_GetState() with _PyModule_GetState() in the extension modules, considered as performance sensitive: * _abc * _functools * _operator * _pickle * _queue * _random * _sre * _struct * _thread * _winapi * array * posix The following extensions are now built with the Py_BUILD_CORE_MODULE macro defined, to be able to use the internal pycore_moduleobject.h header: _abc, array, _operator, _queue, _sre, _struct.
* bpo-43669: PEP 644: Require OpenSSL 1.1.1 or newer (GH-23014)Christian Heimes2021-04-171-5/+17
| | | | | | | | | | | | | | | | | | | | | | | | - Remove HAVE_X509_VERIFY_PARAM_SET1_HOST check - Update hashopenssl to require OpenSSL 1.1.1 - multissltests only OpenSSL > 1.1.0 - ALPN is always supported - SNI is always supported - Remove deprecated NPN code. Python wrappers are no-op. - ECDH is always supported - Remove OPENSSL_VERSION_1_1 macro - Remove locking callbacks - Drop PY_OPENSSL_1_1_API macro - Drop HAVE_SSL_CTX_CLEAR_OPTIONS macro - SSL_CTRL_GET_MAX_PROTO_VERSION is always defined now - security level is always available now - get_num_tickets is available with TLS 1.3 - X509_V_ERR MISMATCH is always available now - Always set SSL_MODE_RELEASE_BUFFERS - X509_V_FLAG_TRUSTED_FIRST is always available - get_ciphers is always supported - SSL_CTX_set_keylog_callback is always available - Update Modules/Setup with static link example - Mention PEP in whatsnew - Drop 1.0.2 and 1.1.0 from GHA tests
* bpo-42161: Modules/ uses _PyLong_GetZero() and _PyLong_GetOne() (GH-22998)Victor Stinner2020-10-271-2/+2
| | | | | | Use _PyLong_GetZero() and _PyLong_GetOne() in Modules/ directory. _cursesmodule.c and zoneinfo.c are now built with Py_BUILD_CORE_MODULE macro defined.
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