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* gh-125063: marshal: Add version 5, improve documentation (GH-126829)Petr Viktorin2024-11-151-0/+1
| | | | | | | | | | * Document that slices can be marshalled * Deduplicate and organize the list of supported types in docs * Organize the type code list in marshal.c, to make it more obvious that this is a versioned format * Back-fill some historical info Co-authored-by: Michael Droettboom <mdboom@gmail.com>
* GH-125837: Split `LOAD_CONST` into three. (GH-125972)Mark Shannon2024-10-291-29/+29
| | | | | | | | * Add LOAD_CONST_IMMORTAL opcode * Add LOAD_SMALL_INT opcode * Remove RETURN_CONST opcode
* gh-125517: Fix unreachable code warnings in `_testembed.c` (#125518)sobolevn2024-10-151-8/+12
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* gh-125234: Make PyInitConfig_Free(NULL) a no-op (#125266)RUANG (Roy James)2024-10-151-0/+1
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* bpo-34206: Improve docs and test coverage for pre-init functions (#8023)Alyssa Coghlan2024-10-081-8/+33
| | | | | | | | | | | | | | | | | | | | - move the Py_Main documentation from the very high level API section to the initialization and finalization section - make it clear that it encapsulates a full Py_Initialize/Finalize cycle of its own - point out that exactly which settings will be read and applied correctly when Py_Main is called after a separate runtime initialization call is version dependent - be explicit that Py_IsInitialized can be called prior to initialization - actually test that Py_IsInitialized can be called prior to initialization - flush stdout in the embedding tests that run code so it appears in the expected order when running with "-vv" - make "-vv" on the subinterpreter embedding tests less spammy --------- Co-authored-by: Carol Willing <carolcode@willingconsulting.com>
* gh-107954: Fix configuration type for the perf profiler (#124636)Pablo Galindo Salgado2024-09-271-0/+5
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* gh-124160: Pass main_tstate to update_global_state_for_extension() (#124164)luk13372024-09-191-0/+9
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* gh-123919: Fix null handling in `_freeze_module.c` (#123920)sobolevn2024-09-111-0/+11
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* gh-107954, PEP 741: Add PyInitConfig_AddModule() function (#123668)Victor Stinner2024-09-041-0/+57
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* gh-107954, PEP 741: Adjust Python initialization config (#123663)Victor Stinner2024-09-041-12/+34
| | | | | | | Setting dev_mode to 1 in an isolated configuration now enables also faulthandler. Moreover, setting "module_search_paths" option with PyInitConfig_SetStrList() now sets "module_search_paths_set" to 1.
* gh-107954, PEP 741: Add PyInitConfig C API (#123502)Victor Stinner2024-09-031-0/+139
| | | Add Doc/c-api/config.rst documentation.
* gh-123022: Fix crash with `Py_Initialize` in background thread (#123052)Sam Gross2024-08-171-0/+18
| | | | | | | | | | | | Check that the current default heap is initialized in `_mi_os_get_aligned_hint` and `mi_os_claim_huge_pages`. The mimalloc function `_mi_os_get_aligned_hint` assumes that there is an initialized default heap. This is true for our main thread, but not for background threads. The problematic code path is usually called during initialization (i.e., `Py_Initialize`), but it may also be called if the program allocates large amounts of memory in total. The crash only affected the free-threaded build.
* GH-122390: Replace `_Py_GetbaseOpcode` with `_Py_GetBaseCodeUnit` (GH-122942)Mark Shannon2024-08-131-9/+9
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* gh-117482: Fix the Slot Wrapper Inheritance Tests (gh-122248)Eric Snow2024-07-291-3/+11
| | | The tests were only checking cases where the slot wrapper was present in the initial case. They were missing when the slot wrapper was added in the additional initializations. This fixes that.
* GH-122160: Remove BUILD_CONST_KEY_MAP opcode. (GH-122164)Mark Shannon2024-07-251-11/+11
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* GH-120507: Lower the `BEFORE_WITH` and `BEFORE_ASYNC_WITH` instructions. ↵Mark Shannon2024-06-181-11/+11
| | | | | | | | | (#120640) * Remove BEFORE_WITH and BEFORE_ASYNC_WITH instructions. * Add LOAD_SPECIAL instruction * Reimplement `with` and `async with` statements using LOAD_SPECIAL
* gh-93691: fix too broad source locations of for statement iterators (#120330)Irit Katriel2024-06-121-5/+4
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* gh-119180: Add LOAD_COMMON_CONSTANT opcode (#119321)Jelle Zijlstra2024-05-221-10/+10
| | | | | | | | | | The PEP 649 implementation will require a way to load NotImplementedError from the bytecode. @markshannon suggested implementing this by converting LOAD_ASSERTION_ERROR into a more general mechanism for loading constants. This PR adds this new opcode. I will work on the rest of the implementation of the PEP separately. Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* gh-118527: Intern code name and filename on default build (#118576)Sam Gross2024-05-061-2/+2
| | | | Interned and non-interned strings are treated differently by `marshal`, so be consistent between the default and free-threaded build.
* Remove more remnants of deepfreeze (#118159)Guido van Rossum2024-04-222-22/+0
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* gh-117987: Restore several functions removed in Python 3.13 alpha 1 (GH-117993)Victor Stinner2024-04-181-2/+0
| | | | | | | | | Restore these functions removed in Python 3.13 alpha 1: * Py_SetPythonHome() * Py_SetProgramName() * PySys_SetArgvEx() * PySys_SetArgv()
* GH-112354: `END_FOR` instruction to only pop one value. (GH-114247)Mark Shannon2024-01-241-25/+25
| | | | * Compiler emits END_FOR; POP_TOP instead of END_FOR. To support tier 2 side exits in loops.
* gh-112532: Require mimalloc in `--disable-gil` builds (gh-112883)Sam Gross2023-12-121-0/+12
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* gh-111354: Simplify _PyGen_yf by moving some of its work to the compiler and ↵Irit Katriel2023-11-031-11/+11
| | | | frame state (#111648)
* gh-111354: simplify detection of RESUME after YIELD_VALUE at except-depth 1 ↵Irit Katriel2023-11-021-11/+11
| | | | (#111459)
* gh-109595: Add -Xcpu_count=<n> cmdline for container users (#109667)Donghee Na2023-10-101-0/+1
| | | | | | --------- Co-authored-by: Victor Stinner <vstinner@python.org> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
* gh-85283: Add PySys_AuditTuple() function (#108965)Victor Stinner2023-10-051-1/+58
| | | | | | sys.audit() now has assertions to check that the event argument is not NULL and that the format argument does not use the "N" format. Add tests on PySys_AuditTuple().
* GH-105848: Replace KW_NAMES + CALL with LOAD_CONST + CALL_KW (GH-109300)Brandt Bucher2023-09-131-3/+3
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* gh-109256: allocate opcode IDs for internal opcodes in their own range (#109269)Irit Katriel2023-09-121-11/+11
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* GH-108716: Turn off deep-freezing of code objects. (GH-108722)Mark Shannon2023-09-082-4/+0
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* GH-108614: Add `RESUME_CHECK` instruction (GH-108630)Mark Shannon2023-09-071-11/+11
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* gh-108753: Enhance pystats (#108754)Victor Stinner2023-09-061-0/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Statistics gathering is now off by default. Use the "-X pystats" command line option or set the new PYTHONSTATS environment variable to 1 to turn statistics gathering on at Python startup. Statistics are no longer dumped at exit if statistics gathering was off or statistics have been cleared. Changes: * Add PYTHONSTATS environment variable. * sys._stats_dump() now returns False if statistics are not dumped because they are all equal to zero. * Add PyConfig._pystats member. * Add tests on sys functions and on setting PyConfig._pystats to 1. * Add Include/cpython/pystats.h and Include/internal/pycore_pystats.h header files. * Rename '_py_stats' variable to '_Py_stats'. * Exclude Include/cpython/pystats.h from the Py_LIMITED_API. * Move pystats.h include from object.h to Python.h. * Add _Py_StatsOn() and _Py_StatsOff() functions. Remove '_py_stats_struct' variable from the API: make it static in specialize.c. * Document API in Include/pystats.h and Include/cpython/pystats.h. * Complete pystats documentation in Doc/using/configure.rst. * Don't write "all zeros" stats: if _stats_off() and _stats_clear() or _stats_dump() were called. * _PyEval_Fini() now always call _Py_PrintSpecializationStats() which does nothing if stats are all zeros. Co-authored-by: Michael Droettboom <mdboom@gmail.com>
* gh-108765: Python.h no longer includes <unistd.h> (#108783)Victor Stinner2023-09-021-1/+1
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* gh-105481: generate op IDs from bytecode.c instead of hard coding them in ↵Irit Katriel2023-08-161-11/+11
| | | | opcode.py (#107971)
* gh-106659: Fix test_embed.test_forced_io_encoding() on Windows (#108010)Victor Stinner2023-08-161-0/+5
| | | Use config.legacy_windows_stdio=1 to avoid _io._WindowsConsoleIO.
* GH-105848: Simplify the arrangement of CALL's stack (GH-107788)Brandt Bucher2023-08-091-11/+11
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* GH-77273: Better bytecodes for f-strings (GH-6132)Mark Shannon2023-06-141-2/+2
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* GH-104584: Plugin optimizer API (GH-105100)Mark Shannon2023-06-021-26/+26
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* gh-105145: Remove old functions to config Python init (#105154)Victor Stinner2023-06-011-32/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove the following old functions to configure the Python initialization, deprecated in Python 3.11: * PySys_AddWarnOptionUnicode() * PySys_AddWarnOption() * PySys_AddXOption() * PySys_HasWarnOptions() * PySys_SetArgvEx() * PySys_SetArgv() * PySys_SetPath() * Py_SetPath() * Py_SetProgramName() * Py_SetPythonHome() * Py_SetStandardStreamEncoding() * _Py_SetProgramFullPath() Most of these functions are kept in the stable ABI, except: * Py_SetStandardStreamEncoding() * _Py_SetProgramFullPath() Update Doc/extending/embedding.rst and Doc/extending/extending.rst to use the new PyConfig API. _testembed.c: * check_stdio_details() now sets stdio_encoding and stdio_errors of PyConfig. * Add definitions of functions removed from the API but kept in the stable ABI. * test_init_from_config() and test_init_read_set() now use PyConfig_SetString() instead of PyConfig_SetBytesString(). Remove _Py_ClearStandardStreamEncoding() internal function.
* gh-84436: Implement Immortal Objects (gh-19474)Eddie Elizondo2023-04-221-2/+1
| | | | | | | | | This is the implementation of PEP683 Motivation: The PR introduces the ability to immortalize instances in CPython which bypasses reference counting. Tagging objects as immortal allows up to skip certain operations when we know that the object will be around for the entire execution of the runtime. Note that this by itself will bring a performance regression to the runtime due to the extra reference count checks. However, this brings the ability of having truly immutable objects that are useful in other contexts such as immutable data sharing between sub-interpreters.
* gh-102856: Initial implementation of PEP 701 (#102855)Pablo Galindo Salgado2023-04-191-4/+4
| | | | | | Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com> Co-authored-by: Batuhan Taskaya <isidentical@gmail.com> Co-authored-by: Marta Gómez Macías <mgmacias@google.com> Co-authored-by: sunmy2019 <59365878+sunmy2019@users.noreply.github.com>
* gh-103326: Remove `Python/importlib.h` (GH-103331)Nikita Sobolev2023-04-121-2/+1
| | | | Co-authored-by: Brett Cannon <brett@python.org> Co-authored-by: Hugo van Kemenade <hugovk@users.noreply.github.com>
* GH-88691: Shrink the CALL caches (GH-103230)Brandt Bucher2023-04-051-33/+33
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* GH-89987: Shrink the BINARY_SUBSCR caches (GH-103022)Brandt Bucher2023-03-291-29/+28
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* gh-102650: Remove duplicate include directives from multiple source files ↵chgnrdv2023-03-131-1/+0
| | | | | (#102651) Remove duplicate include directives from multiple source files
* gh-101632: Add the new RETURN_CONST opcode (#101633)penguin_wwy2023-02-071-25/+25
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* GH-99554: Pack location tables more effectively (GH-99556)Brandt Bucher2022-12-221-11/+8
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* gh-99582: freeze `zipimport` into `_bootstrap_python` (#99583)Kai Zhang2022-12-101-0/+2
| | | Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
* GH-98522: Add version number to code objects. (GH-98525)Mark Shannon2022-12-092-0/+5
| | | | | | * Add version number to code object for better versioning of functions. * Improves specialization for closures and list comprehensions.
* gh-98872: Fix a possible resource leak in Python 3.11.0 (GH-99047)SQLPATCH2022-11-241-0/+1
| | | | | Issue: #98872 Automerge-Triggered-By: GH:kumaraditya303
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