bc5233b6a5
gh-130775: Allow negative locations in `ast` ( #130795 )
...
Co-authored-by: Victor Stinner <vstinner@python.org>
2025-04-07 19:35:17 +03:00
2067378e6d
gh-131591: Handle includes for iOS in remote_debugging.c ( #132050 )
2025-04-06 21:39:25 +01:00
c0661df42a
gh-132011: Fix crash on invalid `CALL_LIST_APPEND` deoptimization ( #132018 )
...
Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Peter Bierma <zintensitydev@gmail.com>
2025-04-06 19:10:39 +03:00
85bc489b64
GH-131798: Narrow the result of _CONTAINS_OP_SET to bool in the JIT (GH-132057)
2025-04-05 15:56:01 -07:00
231a50fa9a
gh-109599: Expose `CapsuleType` via the `_types` module ( #131969 )
2025-04-04 23:37:41 +01:00
68e72cf3a8
gh-100239: fix bug in comparison ( #132093 )
2025-04-04 18:09:49 +01:00
0a97427ee5
gh-99108: Implement HACL* HMAC ( #130157 )
...
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.
2025-04-04 19:04:00 +02:00
7099c75550
GH-131498: Cases generator: manage stacks automatically (GH-132074)
2025-04-04 17:59:36 +01:00
df59226997
gh-100239: more refined specialisation stats for BINARY_OP/SUBSCR ( #132068 )
2025-04-04 15:33:31 +01:00
72123063dd
gh-130115: fix thread identifiers for 32-bit musl ( #130391 )
...
CPython's pthread-based thread identifier relies on pthread_t being able
to be represented as an unsigned integer type.
This is true in most Linux libc implementations where it's defined as an
unsigned long, however musl typedefs it as a struct *.
If the pointer has the high bit set and is cast to PyThread_ident_t, the
resultant value can be sign-extended [0]. This can cause issues when
comparing against threading._MainThread's identifier. The main thread's
identifier value is retrieved via _get_main_thread_ident which is backed
by an unsigned long which truncates sign extended bits.
>>> hex(threading.main_thread().ident)
'0xb6f33f3c'
>>> hex(threading.current_thread().ident)
'0xffffffffb6f33f3c'
Work around this by conditionally compiling in some code for non-glibc
based Linux platforms that are at risk of sign-extension to return a
PyLong based on the main thread's unsigned long thread identifier if the
current thread is the main thread.
[0]: https://gcc.gnu.org/onlinedocs/gcc-14.2.0/gcc/Arrays-and-pointers-implementation.html
---------
Signed-off-by: Vincent Fazio <vfazio@gmail.com>
2025-04-04 16:31:37 +02:00
891c61c1fa
gh-128632: fix segfault on nested __classdict__ type param ( #128744 )
2025-04-04 06:23:35 -07:00
37d47d4965
gh-125434: Display thread name in faulthandler ( #132016 )
2025-04-04 12:24:41 +00:00
6ab4acecf9
GH-131770: increase assumed WASI stack size to 131072 (wasi-sdk default) ( #131844 )
...
e9524a0980/libc-top-half/musl/src/internal/pthread_impl.h (L220)
2025-04-04 09:34:02 +01:00
943cc1431e
gh-131591: Implement PEP 768 ( #131937 )
...
Co-authored-by: Ivona Stojanovic <stojanovic.i@hotmail.com>
Co-authored-by: Matt Wozniski <godlygeek@gmail.com>
2025-04-03 16:20:01 +01:00
275056a7fd
GH-131904: Fix Py_STACKREF_DEBUG build (GH-132022)
2025-04-03 09:40:37 +01:00
f20f02e6b5
gh-118761: Optimise import time for ast ( #131953 )
2025-04-02 17:22:15 +01:00
ad053d8d6a
GH-131498: Cases generator: Parse down to C statement level. (GH-131948)
...
* Parse down to statement level in the cases generator
* Add handling for #if macros, treating them much like normal ifs.
2025-04-02 16:31:59 +01:00
ab2a3dda1d
gh-132002: Fix crash of `ContextVar` on unhashable `str` subtype ( #132003 )
2025-04-02 14:48:47 +03:00
3a8cefba0b
GH-131726: Split up _CHECK_VALIDITY_AND_SET_IP (GH-131810)
2025-04-01 16:55:05 -07:00
1a9d4a1fb3
GH-131798: Allow the JIT to remove more int/float/str guards (GH-131800)
2025-04-01 15:10:15 -07:00
053c285f6b
gh-130704: Strength reduce `LOAD_FAST{_LOAD_FAST}` ( #130708 )
...
Optimize `LOAD_FAST` opcodes into faster versions that load borrowed references onto the operand stack when we can prove that the lifetime of the local outlives the lifetime of the temporary that is loaded onto the stack.
2025-04-01 10:18:42 -07:00
edbf7fb129
gh-111178: remove redundant casts for functions with correct signatures ( #131673 )
2025-04-01 17:18:11 +02:00
2e96f5ae4d
GH-131296: Add missing UNREACHABLE mark in thread_nt.h (GH-131589)
2025-03-31 20:28:35 +01:00
1e3ec335e0
Fix PEP number in `ast_opt.c` for new `finally` check ( #131928 )
2025-03-31 16:29:23 +03:00
c535a132e4
GH-131498: Another refactoring of the code generator (GH-131827)
...
* Rename 'defined' attribute to 'in_local' to more accurately reflect how it is used
* Make death of variables explicit even for array variables.
* Convert in_memory from boolean to stack offset
* Don't apply liveness analyis to optimizer generated code
* Add 'out' parameter to stack.pop
2025-03-31 13:52:48 +01:00
685fd74f81
GH-131798: Remove type checks for _TO_BOOL_STR (GH-131816)
2025-03-30 16:07:25 -07:00
425f60b9eb
gh-130924: Do not create cells for usages of names in local annotations ( #131843 )
2025-03-29 21:15:48 +00:00
9c1e85fd64
gh-131740: minor readability fix in PyUnstable_GC_VisitObjects (gh-131786)
...
Minor readability fix in PyUnstable_GC_VisitObjects
Replaces `if (visit_generation())` with `if (visit_generation() < 0)`,
since we are checking for the failure case, and it's confusing to have
that be implicitly `true`.
Also fixes a misspelt variable name.
2025-03-29 08:58:17 +09:00
2984ff9e51
gh-130373: Avoid locking in _LOAD_ATTR_WITH_HINT ( #130372 )
...
Avoid locking in _LOAD_ATTR_WITH_HINT
2025-03-28 15:16:41 -07:00
2c8f329dc6
gh-131738: optimize builtin any/all/tuple calls with a generator expression arg ( #131737 )
2025-03-28 10:35:20 +00:00
8bd88e2827
gh-131818: Add imply `-P` in `-I`'s help message ( #131819 )
2025-03-28 08:49:13 +01:00
972a295fe3
GH-130415: Remove redundant sym_matches_type calls in the JIT optimizer (GH-131778)
2025-03-27 09:12:30 -07:00
8614f86b71
gh-131525: Cache the result of tuple_hash ( #131529 )
...
* gh-131525: Cache the result of tuple_hash
* Fix debug builds
* Add blurb
* Fix formatting
* Pre-compute empty tuple singleton
* Mostly set the cache within tuple_alloc
* Fixes for TSAN
* Pre-compute empty tuple singleton
* Fix for 32-bit platforms
* Assert that op != NULL in _PyTuple_RESET_HASH_CACHE
* Use FT_ATOMIC_STORE_SSIZE_RELAXED macro
* Update Include/internal/pycore_tuple.h
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
* Fix alignment
* atomic load
* Update Objects/tupleobject.c
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
---------
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
Co-authored-by: Chris Eibl <138194463+chris-eibl@users.noreply.github.com>
2025-03-27 09:57:06 -04:00
d836d287a7
GH-131729: Consider in-memory state when merging storage and stack (GH-131773)
2025-03-27 08:32:45 +00:00
151d1bfd1b
gh-131763: Replace the redundant check with assert in remove_tools ( #131765 )
2025-03-26 18:36:04 -04:00
67fbfb42bd
gh-131586: Avoid refcount contention in some "special" calls ( #131588 )
...
In the free threaded build, the `_PyObject_LookupSpecial()` call can lead to
reference count contention on the returned function object becuase it
doesn't use stackrefs. Refactor some of the callers to use
`_PyObject_MaybeCallSpecialNoArgs`, which uses stackrefs internally.
This fixes the scaling bottleneck in the "lookup_special" microbenchmark
in `ftscalingbench.py`. However, the are still some uses of
`_PyObject_LookupSpecial()` that need to be addressed in future PRs.
2025-03-26 14:38:47 -04:00
3d4ac1a2c2
gh-123358: Use `_PyStackRef` in `LOAD_DEREF` (gh-130064)
...
Concurrent accesses from multiple threads to the same `cell` object did not
scale well in the free-threaded build. Use `_PyStackRef` and optimistically
avoid locking to improve scaling.
With the locks around cell reads gone, some of the free threading tests were
prone to starvation: the readers were able to run in a tight loop and the
writer threads weren't scheduled frequently enough to make timely progress.
Adjust the tests to avoid this.
Co-authored-by: Donghee Na <donghee.na@python.org>
2025-03-26 12:08:20 -04:00
1b8bb1ed0c
GH-131729: Code-gen better liveness analysis (GH-131732)
...
* Rename 'defined' attribute to 'in_local' to more accurately reflect how it is used
* Make death of variables explicit even for array variables.
* Convert in_memory from boolean to stack offset
* Don't apply liveness analysis to optimizer generated code
* Fix RETURN_VALUE in optimizer
2025-03-26 15:21:35 +00:00
898e6b395e
gh-130881: Handle conditionally defined annotations ( #130935 )
2025-03-26 03:48:19 +00:00
7bb41aef4b
gh-131740: Update PyUnstable_GC_VisitObjects to traverse perm gen (gh-131744)
2025-03-26 09:45:29 +09:00
929afd1d6e
gh-131670: Fix crash in `anext()` when `__anext__` is sync and raises ( #131682 )
...
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>
2025-03-24 19:00:48 +00:00
da6730caa5
gh-128421: Avoid TSAN warnings in `sys._current_frames()` (gh-131548)
...
This tells TSAN not to sanitize `PyUnstable_InterpreterFrame_GetLine()`.
There's a possible data race on the access to the frame's `instr_ptr`
if the frame is currently executing. We don't really care about the
race. In theory, we could use relaxed atomics for every access to
`instr_ptr`, but that would create more code churn and current compilers
are overly conservative with optimizations around relaxed atomic
accesses.
We also don't sanitize `_PyFrame_IsIncomplete()` because it accesses
`instr_ptr` and is called from assertions within PyFrame_GetCode().
2025-03-24 09:49:39 -04:00
511a844028
gh-111178: fix UBSan failures for `Python/legacy_tracing.c` ( #131611 )
2025-03-24 11:00:32 +01:00
43fde78bef
gh-111178: fix UBSan failures for `Python/instrumentation.c` ( #131608 )
2025-03-24 10:58:33 +01:00
f65be097ed
gh-111178: fix UBSan failures for `_PyExecutorObject` ( #131610 )
2025-03-24 10:53:23 +01:00
64906bb223
gh-130080: do not fold match case constants in unoptimized AST ( #131577 )
2025-03-23 13:50:14 +00:00
9962469943
gh-131296: fix clang-cl warning in tracemalloc.c ( #131514 )
...
Always set MAX_NFRAME to UINT16_MAX.
Avoid the complicated code which emitted a compiler warning.
2025-03-22 10:38:47 +01:00
49fb75c676
gh-131238: Add missing pycore_function.h includes for JIT compiler ( #131571 )
2025-03-21 23:37:49 +00:00
d9411ae3c2
gh-130312: SET_ADD should not lock ( #130136 )
...
SET_ADD should not lock
2025-03-21 15:58:32 -07:00
7101cba6bf
gh-131238: Move _Py_VISIT_STACKREF() to pycore_stackref.h ( #131560 )
...
* Move _Py_VISIT_STACKREF() from pycore_gc.h to pycore_stackref.h.
* Remove pycore_interpframe.h include from pycore_genobject.h.
* Remove now useless includes from C files.
* Add pycore_interpframe_structs.h to Makefile.pre.in and
pythoncore.vcxproj.
2025-03-21 23:24:14 +01:00
b92ee14b80
GH-130415: Optimize constant comparison in JIT builds (GH-131489)
2025-03-21 11:23:12 -07:00
0de5e0c544
gh-117657: Fix TSAN data race in _PyEval_SetTrace assertion (gh-131561)
...
The `sys_tracing_threads` variable should be read inside `LOCK_SETUP()`.
2025-03-21 14:22:37 -04:00
61317074d4
gh-131238: Add pycore_interpframe_structs.h header ( #131553 )
...
Add an explicit include to pycore_interpframe_structs.h in
pycore_runtime_structs.h to fix a dependency cycle.
2025-03-21 17:19:47 +00:00
4f32516804
gh-128421: Add locking to most frame object functions (gh-131479)
...
This makes more operations on frame objects thread-safe in the free
threaded build, which fixes some data races that occurred when passing
exceptions between threads.
However, accessing local variables from another thread while its running
is still not thread-safe and may crash the interpreter.
2025-03-21 11:10:07 -04:00
883c2f682b
GH-131331: Rename "not" to "invert" (GH-131334)
2025-03-20 16:59:41 -07:00
a2ea417578
GH-131296: fix clang-cl warnings in sysmodule.c ( #131304 )
2025-03-20 16:29:21 +00:00
7ebd71ee14
GH-131498: Remove conditional stack effects (GH-131499)
...
* Adds some missing #includes
2025-03-20 15:39:38 +00:00
83d54fa876
GH-130296: Remove `_PyOpcode_max_stack_effect` as it is no longer used (GH-131493)
2025-03-20 11:42:54 +00:00
b69da006a4
gh-131238: Remove includes from pycore_interp.h ( #131495 )
...
Remove also now unused includes in C files.
2025-03-20 11:35:23 +00:00
34c1ea3109
gh-111178: Fix function signatures for multiple tests ( #131496 )
2025-03-20 12:27:03 +01:00
486d537065
Fix Windows build warnings ( #131487 )
...
Fix the following warnings:
* Modules\_io\fileio.c(1296,13): unused variable 'self'
* Modules\_io\winconsoleio.c(334,9): unused variable 'fd_is_own'
* Modules\faulthandler.c(409,11): unused variable 'flags'
* Modules\posixmodule.c(5699,9): unused variable 'pathError'
* PC\winreg.c(2077,5): suggest braces around initialization of
subobject
* PC\winreg.c(34,13): unused variable 'errNotAHandle'
* Python\fileutils.c(132,12): result of comparison of constant
1114111 with expression of type 'wchar_t' (aka 'unsigned short') is
always false
* Python\fileutils.c(58,21): unused variable 'INCOMPLETE_CHARACTER'
* Python\sysmodule.c(2534,21): unused variable 'perf_map_state'
2025-03-20 12:03:20 +01:00
39b37b0110
gh-128421: add critical section around `traceback.tb_next` ( #131322 )
2025-03-20 12:03:54 +05:30
b12af0a48f
gh-131401: fix data races in exception handling ( #131447 )
2025-03-20 12:02:05 +05:30
20c5f969dd
gh-131238: Remove more includes from pycore_interp.h ( #131480 )
2025-03-19 23:01:32 +01:00
75103d975c
gh-126835: Move constant tuple folding from ast_opt to CFG ( #130769 )
2025-03-19 20:59:55 +00:00
8a33034d82
GH-130956: Only emit AArch64 trampolines for long jumps (GH-131041)
2025-03-19 12:19:21 -07:00
22706843e0
gh-131238: Remove many includes from pycore_interp.h ( #131472 )
2025-03-19 17:46:24 +00:00
5c44d7d99c
gh-130931: Add pycore_interpframe.h internal header ( #131249 )
...
Move _PyInterpreterFrame and associated functions
to a new pycore_interpframe.h header.
2025-03-19 18:17:44 +01:00
4b54031323
gh-131238: Remove pycore_runtime.h from pycore_pystate.h ( #131356 )
...
* Remove includes from pycore_pystate.h:
* pycore_runtime_structs.h
* pycore_runtime.h
* pycore_tstate.h
* pycore_interp.h
* Reorganize internal headers. Move _gc_thread_state from
pycore_interp_structs.h to pycore_tstate.h.
* Add 3 new header files to PCbuild/pythoncore.vcxproj.
2025-03-19 17:33:24 +01:00
0a54bd6dd7
gh-111178: Fix function signatures in legacy_tracing.c ( #131464 )
2025-03-19 16:54:41 +01:00
bbe5baad6c
gh-111178: Fix function signatures for test_types ( #131455 )
2025-03-19 13:46:17 +00:00
74b87515a7
gh-131401: fix data race in `_PyErr_Restore` ( #131406 )
2025-03-19 14:35:47 +05:30
ffc2f1dd1c
gh-130080: implement PEP 765 ( #130087 )
2025-03-17 20:48:54 +00:00
b2ed7a6d6a
gh-131281: Add include for pystats builds ( #131369 )
...
Add include to for pystats builds
2025-03-18 00:36:06 +08:00
a45f25361d
GH-131238: More refactoring of core header files (GH-131351)
...
Adds new pycore_stats.h header file to help break dependencies involving the pycore_code.h header.
2025-03-17 14:41:05 +00:00
978e37bb5f
gh-131238: Add explicit includes to pycore headers ( #131257 )
2025-03-17 12:32:43 +01:00
0453e494b6
gh-131238: Convert pycore_pystate.h static inline to functions ( #131352 )
...
Convert static inline functions to functions:
* _Py_IsMainThread()
* _PyInterpreterState_Main()
* _Py_IsMainInterpreterFinalizing()
* _Py_GetMainConfig()
2025-03-17 12:31:55 +01:00
a1aeec61c4
GH-131238: Core header refactor (GH-131250)
...
* Moves most structs in pycore_ header files into pycore_structs.h and pycore_runtime_structs.h
* Removes many cross-header dependencies
2025-03-17 09:19:04 +00:00
f104c19a94
GH-131296: fix clang-cl warning on Windows in pytime.c (GH-131297)
...
fix warning : integer literal is too large
to be represented in a signed integer type,
interpreting as unsigned [-Wimplicitly-unsigned-literal]
2025-03-15 11:41:34 -07:00
1821f8f10c
gh-131281: fix compile error due to `BINARY_SUBSCR` (GH-131283)
...
* fix compile error due to `BINARY_SUBSCR`
* replace stat_inc with `BINARY_OP`
2025-03-15 23:38:46 +08:00
55815a6474
gh-130480: Move duplicate `LOAD_SMALL_INT` optimization from codegen to CFG ( #130481 )
2025-03-14 21:23:27 +00:00
a5776639c8
gh-111178: Fix function signatures to fix undefined behavior ( #131191 )
2025-03-14 09:52:15 +00:00
0ddfb5717f
gh-111178: Fix _PyLegacyEventHandler_Type deallocator ( #131193 )
...
Don't use PyObject_Free() as tp_dealloc to avoid an undefined
behavior. Instead, use the default deallocator which just calls
tp_free which is PyObject_Free().
2025-03-14 10:23:54 +01:00
f3e275f1a9
GH-130396: Work around for broken `pthread_get_stackaddr_np` on Emscripten ( #131088 )
...
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Tests / Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' || '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' || '' }} (true, false, ubuntu-24.04) (push) Failing after 30m29s
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Tests / CIFuzz (address) (push) Has been skipped
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Tests / Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' || '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' || '' }} (false, true, ubuntu-24.04) (push) Failing after 36m25s
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Tests / Cross build Linux (push) Successful in 7m48s
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Tests / Ubuntu ${{ fromJSON(matrix.free-threading) && '(free-threading)' || '' }} ${{ fromJSON(matrix.bolt) && '(bolt)' || '' }} (false, true, ubuntu-24.04-arm) (push) Failing after 39m37s
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Tests / Thread sanitizer ${{ fromJSON(matrix.free-threading) && '(free-threading)' || '' }} (false) (push) Failing after 30m37s
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Tests / Thread sanitizer ${{ fromJSON(matrix.free-threading) && '(free-threading)' || '' }} (true) (push) Successful in 49m39s
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Mark stale pull requests / stale (push) Has been skipped
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Tail calling interpreter / ${{ matrix.target }} (aarch64, 19, macos-14, aarch64-apple-darwin/clang) (push) Has been cancelled
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Implements a workaround implementation of `pthread_get_stackaddr_np` for Emscripten.
This will be replaced by an implementation that will be included in Emscripten 4.0.6.
2025-03-14 07:04:40 +08:00
c5abded099
gh-130382: add missing `_PyReftracerTrack` to ceval `Py_DECREF` ( #130689 )
2025-03-13 12:31:49 -04:00
4242c2b8d0
gh-130080: move _Py_EnsureArrayLargeEnough to a separate header so it can be used outside of the compiler ( #130930 )
2025-03-13 16:02:58 +00:00
9a63138e09
gh-111178: Fix function signatures in misc files ( #131180 )
2025-03-13 16:55:08 +01:00
dd6d24e9d2
gh-130940: Modify default behavior of `PyConfig.use_system_logger` to enable on iOS ( #131172 )
...
Modify default behavior of use_system_log to enable on iOS.
2025-03-13 14:28:49 +08:00
3618240624
gh-126835: Avoid creating unnecessary tuple when looking for constant sequence during constant folding ( #131054 )
2025-03-12 21:45:54 +00:00
ea57ffa02e
gh-131141: fix data race in instrumentation while registering callback ( #131142 )
2025-03-13 00:11:52 +05:30
de2f7da77d
gh-115999: Add free-threaded specialization for FOR_ITER ( #128798 )
...
Add free-threaded versions of existing specialization for FOR_ITER (list, tuples, fast range iterators and generators), without significantly affecting their thread-safety. (Iterating over shared lists/tuples/ranges should be fine like before. Reusing iterators between threads is not fine, like before. Sharing generators between threads is a recipe for significant crashes, like before.)
2025-03-12 16:21:46 +01:00
155c44b901
gh-81267: Correct time.sleep() error message ( #131055 )
2025-03-12 08:12:57 +00:00
8b1edae93a
gh-122029: Do not unpack method for legacy tracing anymore ( #130898 )
2025-03-11 14:04:22 -04:00
9d759b63d8
gh-111178: Change Argument Clinic signature for METH_O ( #130682 )
...
Use "PyObject*" for METH_O functions to fix an undefined behavior.
2025-03-11 16:33:36 +01:00
4162bc133b
gh-130396: Fix thread sanitizer crashes on stack overflow tests (gh-130966)
...
Thread sanitizer will often crash if a test uses more than half the
stack.
2025-03-11 10:33:23 -04:00
de8818ae23
gh-131082: Add missing guards for WIN32_LEAN_AND_MEAN ( #131044 )
...
* Add missing guards for WIN32_LEAN_AND_MEAN
* add missing whitespaces
2025-03-11 12:33:01 +01:00
a931a8b324
gh-117174: Add a new route in linecache to fetch interactive source code ( #117500 )
2025-03-10 21:54:05 +00:00
be046ee6e0
GH-123044: Give the `POP_TOP` after a case test a location in the body, not the pattern. (GH-130627)
2025-03-10 17:31:16 +00:00
2bef8ea8ea
GH-127705: Use `_PyStackRef`s in the default build. (GH-127875)
2025-03-10 14:06:56 +00:00
89df62c120
GH-128534: Fix behavior of branch monitoring for `async for` (GH-130847)
...
* Both branches in a pair now have a common source and are included in co_branches
2025-03-07 14:30:31 +00:00
sobolevn