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* [3.12] gh-101524: Only Use Public C-API in the _xxsubinterpreters Module ↵Miss Islington (bot)2023-07-271-1/+2
| | | | | | | | (gh-105258) (gh-107303) The _xxsubinterpreters module was meant to only use public API. Some internal C-API usage snuck in over the last few years (e.g. gh-28969). This fixes that. (cherry picked from commit e6373c0d8b59512aa7f0dea7f3fb162b6ed10fa4) Co-authored-by: Eric Snow <ericsnowcurrently@gmail.com>
* [3.12] gh-99108: Refresh HACL* (GH-104808) (#104893)Miss Islington (bot)2023-05-241-1/+1
| | | | | | | | gh-99108: Refresh HACL* (GH-104808) Refresh HACL* from upstream to improve SHA2 performance and fix a 32-bit issue in SHA3. (cherry picked from commit 160321e5304b962a162eb023472aa2bc8307ae15) Co-authored-by: Jonathan Protzenko <protz@microsoft.com>
* GH-101520: Move tracemalloc functionality into core, leaving interface in ↵Mark Shannon2023-05-171-0/+1
| | | | Modules. (#104508)
* gh-103763: Implement PEP 695 (#103764)Jelle Zijlstra2023-05-161-0/+2
| | | | | | | | | | | | | | 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-99108: Replace SHA3 implementation HACL* version (#103597)Jonathan Protzenko2023-05-081-4/+5
| | | | | | | | | | | 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-103082: Implementation of PEP 669: Low Impact Monitoring for CPython ↵Mark Shannon2023-04-121-0/+2
| | | | | | | | | | (GH-103083) * The majority of the monitoring code is in instrumentation.c * The new instrumentation bytecodes are in bytecodes.c * legacy_tracing.c adapts the new API to the old sys.setrace and sys.setprofile APIs
* gh-87092: move assembler related code from compile.c to assemble.c (#103277)Irit Katriel2023-04-111-1/+2
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* gh-101659: Add _Py_AtExit() (gh-103298)Eric Snow2023-04-061-0/+1
| | | | | The function is like Py_AtExit() but for a single interpreter. This is a companion to the atexit module's register() function, taking a C callback instead of a Python one. We also update the _xxinterpchannels module to use _Py_AtExit(), which is the motivating case. (This is inspired by pain points felt while working on gh-101660.)
* gh-87092: move CFG related code from compile.c to flowgraph.c (#103021)Irit Katriel2023-03-311-0/+2
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* gh-102304: Move _Py_RefTotal to _PyRuntimeState (gh-102543)Eric Snow2023-03-201-0/+1
| | | | | | | The essentially eliminates the global variable, with the associated benefits. This is also a precursor to isolating this bit of state to PyInterpreterState. Folks that currently read _Py_RefTotal directly would have to start using _Py_GetGlobalRefTotal() instead. https://github.com/python/cpython/issues/102304
* gh-99726: Improves correctness of stat results for Windows, and uses faster ↵Steve Dower2023-03-161-0/+1
| | | | | API when available (GH-102149) This deprecates `st_ctime` fields on Windows, with the intent to change them to contain the correct value in 3.14. For now, they should keep returning the creation time as they always have.
* gh-99108: Import MD5 and SHA1 from HACL* (#102089)Jonathan Protzenko2023-02-221-0/+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: Replace SHA2-224 & 256 with verified code from HACL* (#99109)Jonathan Protzenko2023-02-071-1/+2
| | | | | | | | | | | | | | | | | | | | | | 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-100764: add `pycore_frame.h` to PYTHON_HEADERS and Windows build ↵Carl Meyer2023-01-091-0/+1
| | | | files(#100765)
* GH-99005: Add `CALL_INTRINSIC_1` instruction (GH-100771)Mark Shannon2023-01-051-0/+2
| | | | | | | | * Remove PRINT_EXPR instruction * Remove STOPITERATION_ERROR instruction * Remove IMPORT_STAR instruction
* gh-81057: Move faulthandler Globals to _PyRuntimeState (gh-100152)Eric Snow2022-12-121-0/+1
| | | https://github.com/python/cpython/issues/81057
* gh-81057: Move tracemalloc Globals to _PyRuntimeState (gh-100151)Eric Snow2022-12-121-0/+1
| | | https://github.com/python/cpython/issues/81057
* gh-81057: Move Threading-Related Globals to _PyRuntimeState (#100084)Eric Snow2022-12-091-0/+1
| | | https://github.com/python/cpython/issues/81057
* gh-81057: Move Ceval Trampoline Globals to _PyRuntimeState (gh-100083)Eric Snow2022-12-091-0/+1
| | | https://github.com/python/cpython/issues/81057
* gh-81057: Move time Globals to _PyRuntimeState (gh-100122)Eric Snow2022-12-081-1/+1
| | | https://github.com/python/cpython/issues/81057
* gh-81057: Move OS-Related Globals to _PyRuntimeState (gh-100082)Eric Snow2022-12-081-0/+1
| | | https://github.com/python/cpython/issues/81057
* gh-79315: Add Include/cpython/memoryobject.h header (#99723)Victor Stinner2022-11-231-0/+1
| | | | Move non-limited C API from Include/memoryobject.h to a new Include/cpython/memoryobject.h header file.
* gh-98629: Fixes sys._git and sys.version creation on Windows (GH-99664)Steve Dower2022-11-211-1/+1
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* gh-81057: Move the global Dict-Related Versions to _PyRuntimeState (gh-99497)Eric Snow2022-11-161-0/+2
| | | | | We also move the global func version. https://github.com/python/cpython/issues/81057
* gh-81057: Move the Allocators to _PyRuntimeState (gh-99217)Eric Snow2022-11-111-0/+3
| | | | | The global allocators were stored in 3 static global variables: _PyMem_Raw, _PyMem, and _PyObject. State for the "small block" allocator was stored in another 13. That makes a total of 16 global variables. We are moving all 16 to the _PyRuntimeState struct as part of the work for gh-81057. (If PEP 684 is accepted then we will follow up by moving them all to PyInterpreterState.) https://github.com/python/cpython/issues/81057
* gh-90868: Adjust the Generated Objects (gh-99223)Eric Snow2022-11-081-0/+2
| | | | | | | | | | | We do the following: * move the generated _PyUnicode_InitStaticStrings() to its own file * move the generated _PyStaticObjects_CheckRefcnt() to its own file * include pycore_global_objects.h in extension modules instead of pycore_runtime_init.h These changes help us avoid including things that aren't needed. https://github.com/python/cpython/issues/90868
* gh-96143: Move the perf trampoline files to the Python directory (#98675)Pablo Galindo Salgado2022-10-251-1/+1
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* gh-96143: Allow Linux perf profiler to see Python calls (GH-96123)Pablo Galindo Salgado2022-08-301-0/+1
| | | | | | | :warning: :warning: Note for reviewers, hackers and fellow systems/low-level/compiler engineers :warning: :warning: If you have a lot of experience with this kind of shenanigans and want to improve the **first** version, **please make a PR against my branch** or **reach out by email** or **suggest code changes directly on GitHub**. If you have any **refinements or optimizations** please, wait until the first version is merged before starting hacking or proposing those so we can keep this PR productive.
* GH-96177: Move GIL and eval breaker code out of ceval.c into ceval_gil.c. ↵Mark Shannon2022-08-241-1/+1
| | | | (GH-96204)
* gh-95005: Replace PyAccu with PyUnicodeWriter (gh-95006)Aivars Kalvāns2022-07-271-2/+0
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* GH-90699: Move generated static initializer to pycore_runtime_generated.h ↵Kumar Aditya2022-07-071-0/+1
| | | | (GH-94051)
* GH-91432: Specialize FOR_ITER (GH-91713)Dennis Sweeney2022-06-211-0/+1
| | | | | * Adds FOR_ITER_LIST and FOR_ITER_RANGE specializations. * Adds _PyLong_AssignValue() internal function to avoid temporary boxing of ints.
* gh-93937, C API: Move PyFrame_GetBack() to Python.h (#93938)Victor Stinner2022-06-191-0/+1
| | | | | | | | | | | | | | | | Move the follow functions and type from frameobject.h to pyframe.h, so the standard <Python.h> provide frame getter functions: * PyFrame_Check() * PyFrame_GetBack() * PyFrame_GetBuiltins() * PyFrame_GetGenerator() * PyFrame_GetGlobals() * PyFrame_GetLasti() * PyFrame_GetLocals() * PyFrame_Type Remove #include "frameobject.h" from many C files. It's no longer needed.
* gh-93911: Specialize `LOAD_ATTR_PROPERTY` (GH-93912)Ken Jin2022-06-171-0/+1
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* Improve object stats (#92845)Mark Shannon2022-05-161-0/+1
| | | | | * Add incref/decref stats * Show ratios for allocation in summary
* gh-92651: Remove the Include/token.h header file (#92652)Victor Stinner2022-05-111-1/+1
| | | | | | | | | | | | | | | Remove the token.h header file. There was never any public tokenizer C API. The token.h header file was only designed to be used by Python internals. Move Include/token.h to Include/internal/pycore_token.h. Including this header file now requires that the Py_BUILD_CORE macro is defined. It no longer checks for the Py_LIMITED_API macro. Rename functions: * PyToken_OneChar() => _PyToken_OneChar() * PyToken_TwoChars() => _PyToken_TwoChars() * PyToken_ThreeChars() => _PyToken_ThreeChars()
* gh-64783: Fix signal.NSIG value on FreeBSD (#91929)Victor Stinner2022-04-251-0/+1
| | | | | | | | | Fix signal.NSIG value on FreeBSD to accept signal numbers greater than 32, like signal.SIGRTMIN and signal.SIGRTMAX. * Add Py_NSIG constant. * Add pycore_signal.h internal header file. * _Py_Sigset_Converter() now includes the range of valid signals in the error message.
* gh-79315: Add Include/cpython/pythread.h header (#91798)Victor Stinner2022-04-211-0/+1
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* gh-79315: Add Include/cpython/modsupport.h header (#91797)Victor Stinner2022-04-211-0/+1
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* bpo-35134: Remove the Include/code.h header file (GH-32385)Victor Stinner2022-04-071-1/+0
| | | | | | Remove the Include/code.h header file. C extensions should only include the main <Python.h> header file. Python.h includes directly Include/cpython/code.h instead.
* bpo-35134: Add Include/cpython/setobject.h header (GH-32384)Victor Stinner2022-04-061-0/+1
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* bpo-35134: Add Include/cpython/complexobject.h header (GH-32383)Victor Stinner2022-04-061-0/+1
| | | | Move the private _PyComplex_FormatAdvancedWriter() function to the internal C API. This function is no longer exported.
* bpo-47230: Silence compiler warnings on Windows from zlib 1.2.12 (GH-32337)Jeremy Kloth2022-04-051-2/+4
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* bpo-47152: Move sources of the _sre module into a subdirectory (GH-32290)Serhiy Storchaka2022-04-041-4/+4
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* bpo-38256: Fix binascii.crc32() when inputs are 4+GiB (GH-32000)Gregory P. Smith2022-03-201-1/+3
| | | | | | | When compiled with `USE_ZLIB_CRC32` defined (`configure` sets this on POSIX systems), `binascii.crc32(...)` failed to compute the correct value when the input data was >= 4GiB. Because the zlib crc32 API is limited to a 32-bit length. This lines it up with the `zlib.crc32(...)` implementation that doesn't have that flaw. **Performance:** This also adopts the same GIL releasing for larger inputs logic that `zlib.crc32` has, and causes the Windows build to always use zlib's crc32 instead of our slow C code as zlib is a required build dependency on Windows.
* bpo-46841: Use *inline* caching for `BINARY_OP` (GH-31543)Brandt Bucher2022-02-251-1/+0
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* bpo-45459: Add pytypedefs.h header file (GH-31527)Victor Stinner2022-02-241-0/+1
| | | | | | | | | | | | | | | | | | Move forward declarations of Python C API types to a new pytypedefs.h header file to solve interdependency issues between header files. pytypedefs.h contains forward declarations of the following types: * PyCodeObject * PyFrameObject * PyGetSetDef * PyInterpreterState * PyLongObject * PyMemberDef * PyMethodDef * PyModuleDef * PyObject * PyThreadState * PyTypeObject
* bpo-45459: Rename buffer.h to pybuffer.h (#31201)Victor Stinner2022-02-221-0/+1
| | | | | | | | | Rename Include/buffer.h header file to Include/pybuffer.h to avoid conflicts with projects having an existing "buffer.h" header file. * Incude pybuffer.h before object.h in Python.h. * Remove #include "buffer.h" from Include/cpython/object.h. * Add a forward declaration of the PyObject type in pybuffer.h to fix an inter-dependency issue.
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