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* [3.12] gh-116447: Fix possible UB in `arraymodule` and `getargs` (GH-116459) ↵Miss Islington (bot)2024-03-081-2/+2
| | | | | | | | (#116496) gh-116447: Fix possible UB in `arraymodule` and `getargs` (GH-116459) (cherry picked from commit fdb2d90a274158aee23b526d972172bf41bd4b7e) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] gh-116326: Handler errors correctly in `getwindowsversion` in ↵Miss Islington (bot)2024-03-051-18/+32
| | | | | | | | `sysmodule` (GH-116339) (#116354) * gh-116326: Handler errors correctly in `getwindowsversion` in `sysmodule` (GH-116339) (cherry picked from commit c91bdf86ef1cf9365b61a46aa2e51e5d1932b00a) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] gh-115320: Refactor `get_hash_info` in `sysmodule.c` not to swallow ↵Miss Islington (bot)2024-03-041-23/+25
| | | | | | | | errors (GH-115321) (#116323) gh-115320: Refactor `get_hash_info` in `sysmodule.c` not to swallow errors (GH-115321) (cherry picked from commit 207030f5527d405940b79c10c1413c1e8ff696c1) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] gh-116034: fix location info on the error of a failed assertion (#116054)Irit Katriel2024-02-291-1/+1
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* [3.12] gh-90300: Reformat the Python CLI help output (GH-93415) (#115847)Łukasz Langa2024-02-231-95/+95
| | | | | (cherry picked from commit 2e92ffd7fa89e3bd33ee2f31541d3dc53aaa2d12) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.12] gh-96497: Mangle name before symtable lookup in ↵Miss Islington (bot)2024-02-171-4/+10
| | | | | | | 'symtable_extend_namedexpr_scope' (GH-96561) (GH-115603) (cherry picked from commit 664965a1c141e8af5eb465d29099781a6a2fc3f3) Co-authored-by: wookie184 <wookie1840@gmail.com>
* [3.12] GH-112215: Backport C recursion changes (GH-115083)Mark Shannon2024-02-134-20/+8
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* [3.12] gh-115011: Improve support of __index__() in setters of members with ↵Serhiy Storchaka2024-02-111-37/+45
| | | | | | | | | | | | | | unsigned integer type (GH-115029) (GH-115294) Setters for members with an unsigned integer type now support the same range of valid values for objects that has a __index__() method as for int. Previously, Py_T_UINT, Py_T_ULONG and Py_T_ULLONG did not support objects that has a __index__() method larger than LONG_MAX. Py_T_ULLONG did not support negative ints. Now it supports them and emits a RuntimeWarning. (cherry picked from commit d9d6909697501a2604d5895f9f88aeec61274ab0)
* [3.12] gh-114828: Fix __class__ in class-scope inlined comprehensions ↵Miss Islington (bot)2024-02-071-0/+19
| | | | | | | | (GH-115139) (#115140) gh-114828: Fix __class__ in class-scope inlined comprehensions (GH-115139) (cherry picked from commit fedbf77191ea9d6515b39f958cc9e588d23517c9) Co-authored-by: Carl Meyer <carl@oddbird.net>
* [3.12] gh-114388: Fix warnings when assign an unsigned integer member ↵Serhiy Storchaka2024-02-041-28/+57
| | | | | | | | | | (GH-114391) (GH-115001) * Fix a RuntimeWarning emitted when assign an integer-like value that is not an instance of int to an attribute that corresponds to a C struct member of type T_UINT and T_ULONG. * Fix a double RuntimeWarning emitted when assign a negative integer value to an attribute that corresponds to a C struct member of type T_UINT. (cherry picked from commit 3ddc5152550ea62280124c37d0b4339030ff7df4)
* [3.12] gh-114685: Fix incorrect use of PyBUF_READ in import.c (GH-114686) ↵Miss Islington (bot)2024-01-291-1/+1
| | | | | | | (GH-114700) (cherry picked from commit 1ac1b2f9536a581f1656f0ac9330a7382420cda1) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] gh-113358: Fix rendering tracebacks with exceptions with a broken ↵Jérome Perrin2024-01-211-1/+32
| | | | __getattr__ (GH-113359) (#114173)
* [3.12] gh-114384: Align sys.set_asyncgen_hooks signature in docs to reflect ↵Miss Islington (bot)2024-01-211-1/+1
| | | | | | | implementation (GH-114385) (#114386) (cherry picked from commit 38768e4cdd1c4b6e03702da8a94e1c22479d6ed3) Co-authored-by: Nikita Sobolev <mail@sobolevn.me>
* [3.12] Check for valid tp_version_tag in specializer (gh-89811) (gh-114216)Peter Lazorchak2024-01-191-0/+22
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* [3.12] gh-113842: Add missing error check for PyIter_Next() in ↵Miss Islington (bot)2024-01-091-0/+6
| | | | | | | Python/symtable.c (GH-113843) (GH-113851) (cherry picked from commit fda901a1ff94ea6cc338b74928acdbc5ee165ed7) Co-authored-by: Yan Yanchii <yyanchiy@gmail.com>
* [3.12] gh-106905: Use separate structs to track recursion depth in each ↵Serhiy Storchaka2023-12-251-300/+379
| | | | | | | | | PyAST_mod2obj call. (GH-113035) (GH-113472) (cherry picked from commit 48c49739f5502fc7aa82f247ab2e4d7b55bdca62) Co-authored-by: Yilei Yang <yileiyang@google.com> Co-authored-by: Gregory P. Smith [Google LLC] <greg@krypto.org>
* [3.12] gh-113297: Fix segfault in compiler for with statement with 19 ↵Irit Katriel2023-12-231-0/+1
| | | | context managers (#113327) (#113404)
* [3.12] gh-113343: Fix error check on mmap(2) (GH-113342) (#113374)Miss Islington (bot)2023-12-211-1/+1
| | | | | | | | | | | | | | | | | gh-113343: Fix error check on mmap(2) (GH-113342) Fix error check on mmap(2) It should check MAP_FAILED instead of NULL for error. On mmap(2) man page: RETURN VALUE On success, mmap() returns a pointer to the mapped area. On error, the value MAP_FAILED (that is, (void *) -1) is returned, and errno is set to indicate the error. (cherry picked from commit 6b70c3dc5ab2f290fcdbe474bcb7d6fdf29eae4c) Co-authored-by: Namhyung Kim <namhyung@gmail.com>
* [3.12] gh-112716: Fix SystemError when __builtins__ is not a dict ↵Serhiy Storchaka2023-12-141-9/+5
| | | | | | | | | (GH-112770) (GH-113103) It was raised in two cases: * in the import statement when looking up __import__ * in pickling some builtin type when looking up built-ins iter, getattr, etc. (cherry picked from commit 1161c14e8c68296fc465cd48970b32be9bee012e)
* [3.12] gh-112943: Correctly compute end offsets for multiline tokens in the ↵Pablo Galindo Salgado2023-12-111-1/+1
| | | | | tokenize module (GH-112949) (#112957) (cherry picked from commit a135a6d2c6d503b186695f01efa7eed65611b04e)
* [3.12] gh-106560: Fix redundant declarations in Python/frozen.c (#112612) ↵Victor Stinner2023-12-031-6/+0
| | | | | | | | | | | | (#112651) gh-106560: Fix redundant declarations in Python/frozen.c (#112612) Avoid duplicated declarations of "extern" functions in Python/frozen.c. Compiler warnings seen by building Python with gcc -Wredundant-decls. (cherry picked from commit d9e444dbb86e173ee5b8491e3facbd447b91eaed)
* [3.12] gh-112367: Only free perf trampoline arenas at shutdown (GH-112368) ↵Pablo Galindo Salgado2023-12-012-5/+35
| | | | | | | (#112590) (cherry picked from commit a73aa48e6bec900be7edd3431deaa5fc1d809e6f) Signed-off-by: Pablo Galindo <pablogsal@gmail.com>
* [3.12] gh-112356: LOAD_GLOBAL can only include one PUSH_NULL (#112566)Dennis Sweeney2023-12-011-2/+2
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* [3.12] gh-110310: Add a Per-Interpreter XID Registry for Heap Types ↵Eric Snow2023-11-281-38/+120
| | | | | | | | | | | | | | | (gh-110311) (gh-110714) We do the following: * add a per-interpreter XID registry (PyInterpreterState.xidregistry) * put heap types there (keep static types in _PyRuntimeState.xidregistry) * clear the registries during interpreter/runtime finalization * avoid duplicate entries in the registry (when _PyCrossInterpreterData_RegisterClass() is called more than once for a type) * use Py_TYPE() instead of PyObject_Type() in _PyCrossInterpreterData_Lookup() The per-interpreter registry helps preserve isolation between interpreters. This is important when heap types are registered, which is something we haven't been doing yet but I will likely do soon. (cherry-picked from commit 80dc39e1dc2abc809f448cba5d2c5b9c1c631e11)
* [3.12] gh-105716: Support Background Threads in Subinterpreters Consistently ↵Eric Snow2023-11-281-0/+37
| | | | | | | | | (gh-109921) (gh-110707) The existence of background threads running on a subinterpreter was preventing interpreters from getting properly destroyed, as well as impacting the ability to run the interpreter again. It also affected how we wait for non-daemon threads to finish. We add PyInterpreterState.threads.main, with some internal C-API functions. (cherry-picked from commit 1dd9dee45d2591b4e701039d1673282380696849)
* [3.12] gh-109793: Allow Switching Interpreters During Finalization ↵Eric Snow2023-11-281-1/+16
| | | | | (gh-109794) (gh-110705) Essentially, we should check the thread ID rather than the thread state pointer.
* [3.12] gh-106931: Intern Statically Allocated Strings Globally (gh-107272) ↵Eric Snow2023-11-271-0/+7
| | | | | | | | | (gh-110713) We tried this before with a dict and for all interned strings. That ran into problems due to interpreter isolation. However, exclusively using a per-interpreter cache caused some inconsistency that can eliminate the benefit of interning. Here we circle back to using a global cache, but only for statically allocated strings. We also use a more-basic _Py_hashtable_t for that global cache instead of a dict. Ideally we would only have the global cache, but the optional isolation of each interpreter's allocator means that a non-static string object must not outlive its interpreter. Thus we would have to store a copy of each such interned string in the global cache, tied to the main interpreter. (cherry-picked from commit b72947a8d26915156323ccfd04d273199ecb870c)
* [3.12] gh-109853: Fix sys.path[0] For Subinterpreters (gh-109994) (gh-110701)Eric Snow2023-11-272-0/+30
| | | | | | | This change makes sure sys.path[0] is set properly for subinterpreters. Before, it wasn't getting set at all. This change does not address the broader concerns from gh-109853. (cherry-picked from commit a040a32ea2f13f16172394d3e3e3f80f47f25a68)
* [3.12] gh-76785: Use Pending Calls When Releasing Cross-Interpreter Data ↵Eric Snow2023-11-271-33/+58
| | | | | | (gh-109556) (gh-112288) This fixes some crashes in the _xxinterpchannels module, due to a race between interpreters. (cherry picked from commit fd7e08a6f35581e1189b9bf12feb51f7167a86c5)
* [3.12] gh-112438: Fix support of format units with the "e" prefix in nested ↵Miss Islington (bot)2023-11-271-1/+1
| | | | | | | tuples in PyArg_Parse (gh-112439) (GH-112460) (cherry picked from commit 4eea1e82369fbf7a795d1956e7a8212a1b58009f) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* gh-111856: Fix os.fstat on windows with FAT32 and exFAT filesystem (GH-112038)Miss Islington (bot)2023-11-131-3/+8
| | | | | (cherry picked from commit 29af7369dbbbba8cefafb196e977bce8189a527d) Co-authored-by: AN Long <aisk@users.noreply.github.com>
* [3.12] gh-111933: fix broken link to A.Neumaier article (gh-111937) (gh-111993)Miss Islington (bot)2023-11-121-1/+4
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* [3.12] gh-109181: Fix refleak in tb_get_lineno() (#111948)Victor Stinner2023-11-101-1/+4
| | | PyFrame_GetCode() returns a strong reference.
* [3.12] gh-111654: remove redundant decref in LOAD_FROM_DICT_OR_DEREF ↵Jelle Zijlstra2023-11-032-281/+277
| | | | | | | (GH-111655) (#111674) (cherry picked from commit 3a1b09e6d070778d78d81084f88d37377d38ee9b) Co-authored-by: AN Long <aisk@users.noreply.github.com>
* [3.12] gh-109181: Speed up Traceback object creation by lazily compute the ↵Pablo Galindo Salgado2023-10-311-6/+29
| | | | | | line number (GH-111548) (#111551) . (cherry picked from commit abb15420c11d9dda9c89f74eac8417240b321109)
* [3.12] bpo-43950: handle wide unicode characters in tracebacks (GH-28150) ↵Pablo Galindo Salgado2023-10-261-2/+33
| | | | (#111346)
* [3.12] gh-109216: Fix possible memory leak in `BUILD_MAP` (#109324)Nikita Sobolev2023-10-152-255/+249
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* [3.12] gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524) (#110541)Miss Islington (bot)2023-10-091-1/+7
| | | | | | gh-110514: Add PY_THROW to `sys.setprofile` events (GH-110524) (cherry picked from commit dd4bb0529e44ac6f75a9ebbfcbf5d73dc251b7a7) Co-authored-by: Tian Gao <gaogaotiantian@hotmail.com>
* [3.12] gh-110237: Check `PyList_Append` for errors in `_PyEval_MatchClass` ↵Miss Islington (bot)2023-10-081-3/+11
| | | | | | | | (GH-110238) (#110511) gh-110237: Check `PyList_Append` for errors in `_PyEval_MatchClass` (GH-110238) (cherry picked from commit dd9d781da30aa3740e54c063a40413c542d78c25) Co-authored-by: denballakh <47365157+denballakh@users.noreply.github.com>
* [3.12] GH-110455: Guard `assert(tstate->thread_id > 0)` with `GH-ifndef ↵Miss Islington (bot)2023-10-061-2/+2
| | | | | | | | HAVE_PTHREAD_STUBS` (GH-110487) (GH-110491) GH-110455: Guard `assert(tstate->thread_id > 0)` with `GH-ifndef HAVE_PTHREAD_STUBS` (GH-110487) (cherry picked from commit 5fd8821cf8eb1fe2e8575f8c7cc747cf78855a88) Co-authored-by: Brett Cannon <brett@python.org>
* [3.12] gh-108987: Fix _thread.start_new_thread() race condition (#109135) ↵Victor Stinner2023-10-042-25/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | (#110342) * gh-108987: Fix _thread.start_new_thread() race condition (#109135) Fix _thread.start_new_thread() race condition. If a thread is created during Python finalization, the newly spawned thread now exits immediately instead of trying to access freed memory and lead to a crash. thread_run() calls PyEval_AcquireThread() which checks if the thread must exit. The problem was that tstate was dereferenced earlier in _PyThreadState_Bind() which leads to a crash most of the time. Move _PyThreadState_CheckConsistency() from thread_run() to _PyThreadState_Bind(). (cherry picked from commit 517cd82ea7d01b344804413ef05610934a43a241) * gh-109795: `_thread.start_new_thread`: allocate thread bootstate using raw memory allocator (#109808) (cherry picked from commit 1b8f2366b38c87b0450d9c15bdfdd4c4a2fc3a01) --------- Co-authored-by: Radislav Chugunov <52372310+chgnrdv@users.noreply.github.com>
* [3.12] gh-110052: Fix faulthandler for freed tstate (#110069) (#110071)Victor Stinner2023-10-021-10/+37
| | | | | | | | gh-110052: Fix faulthandler for freed tstate (#110069) faulthandler now detected freed interp and freed tstate, and no longer dereference them. (cherry picked from commit 2e37a38bcbfbe1357436e030538290e7d00b668d)
* [3.12] gh-109889: fix compiler's redundant NOP detection to look past NOPs ↵Miss Islington (bot)2023-10-021-1/+11
| | | | | | | | with no lineno when looking for the next instruction's lineno (GH-109987) (#110048) gh-109889: fix compiler's redundant NOP detection to look past NOPs with no lineno when looking for the next instruction's lineno (GH-109987) (cherry picked from commit f580edcc6a4c528020afe46c753db713474acad6) Co-authored-by: Irit Katriel <1055913+iritkatriel@users.noreply.github.com>
* [3.12] gh-109521: Fix obscure cases handling in PyImport_GetImporter() ↵Miss Islington (bot)2023-10-021-5/+21
| | | | | | | | | | | | | | (GH-109522) (#109777) gh-109521: Fix obscure cases handling in PyImport_GetImporter() (GH-109522) PyImport_GetImporter() now sets RuntimeError if it fails to get sys.path_hooks or sys.path_importer_cache or they are not list and dict correspondingly. Previously it could return NULL without setting error in obscure cases, crash or raise SystemError if these attributes have wrong type. (cherry picked from commit 62c7015e89cbdedb5218d4fedd45f971885f67a8) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.12] Fix error handling in _PySys_UpdateConfig() (GH-109524) (#109550)Miss Islington (bot)2023-10-021-2/+9
| | | | | | Fix error handling in _PySys_UpdateConfig() (GH-109524) (cherry picked from commit c829975428253568d47ebfc3104fa7386b5e0b58) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.12] gh-109351: Fix crash when compiling AST with invalid NamedExpr ↵Miss Islington (bot)2023-10-021-0/+5
| | | | | | | | (GH-109352) (#109379) gh-109351: Fix crash when compiling AST with invalid NamedExpr (GH-109352) (cherry picked from commit 79101edb03b7381b514126c68acabfcbbba2f842) Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
* [3.12] gh-109179: Fix traceback display for SyntaxErrors with notes ↵Irit Katriel2023-10-021-13/+11
| | | | | | (#109197) (#109280) (cherry picked from commit ecd21a629a2a30bcae89902f7cad5670e9441e2c)
* [3.12] gh-109207: Fix SystemError when printing symtable entry object. ↵Miss Islington (bot)2023-10-021-3/+2
| | | | | | | | (GH-109225) (#109227) gh-109207: Fix SystemError when printing symtable entry object. (GH-109225) (cherry picked from commit 429749969621b149c1a7c3c004bd44f52bec8f44) Co-authored-by: 云line <31395137+yunline@users.noreply.github.com>
* [3.12] Check the result of PySet_Contains() for error in Python/symtable.c ↵Miss Islington (bot)2023-10-021-15/+57
| | | | | | | | (GH-109146) (#109153) Check the result of PySet_Contains() for error in Python/symtable.c (GH-109146) (cherry picked from commit 87a7faf6b68c8076e640a9a1347a255f132d8382) Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
* [3.12] gh-104690: thread_run() checks for tstate dangling pointer (#109056) ↵Victor Stinner2023-10-022-18/+26
| | | | | | | | | | | | | | (#109133) gh-104690: thread_run() checks for tstate dangling pointer (#109056) thread_run() of _threadmodule.c now calls _PyThreadState_CheckConsistency() to check if tstate is a dangling pointer when Python is built in debug mode. Rename ceval_gil.c is_tstate_valid() to _PyThreadState_CheckConsistency() to reuse it in _threadmodule.c. (cherry picked from commit f63d37877ad166041489a968233b57540f8456e8)
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