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cpython/Python
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Neil Schemenauer d687900f98
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010) 
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>
2025-04-09 16:18:54 -07:00
..
clinic
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
frozen_modules
…
_contextvars.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
_warnings.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
asdl.c
…
asm_trampoline.S
gh-120400 ：Support Linux perf profile to see Python calls on RISC-V architecture (#120089)
2024-06-12 14:24:46 +01:00
assemble.c
gh-130775: Allow negative locations in ast (#130795)
2025-04-07 19:35:17 +03:00
ast_opt.c
Fix PEP number in ast_opt.c for new finally check (#131928)
2025-03-31 16:29:23 +03:00
ast_unparse.c
gh-119182: Use public PyUnicodeWriter in ast_unparse.c (#129208)
2025-01-23 01:44:43 +01:00
ast.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
bltinmodule.c
gh-131525: Cache the result of tuple_hash (#131529)
2025-03-27 09:57:06 -04:00
bootstrap_hash.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
brc.c
Fix typos in documentation and comments (#119763)
2024-06-04 10:22:22 +00:00
bytecodes.c
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
2025-04-09 14:32:21 -07:00
ceval_gil.c
gh-131591: Implement PEP 768 (#131937)
2025-04-03 16:20:01 +01:00
ceval_macros.h
GH-131498: Cases generator: manage stacks automatically (GH-132074)
2025-04-04 17:59:36 +01:00
ceval.c
gh-129987: Disable GCC SLP autovectorization for the interpreter loop on x86-64 (#132295)
2025-04-09 10:34:12 -07:00
codecs.c
gh-131238: Remove more includes from pycore_interp.h (#131480)
2025-03-19 23:01:32 +01:00
codegen.c
gh-131738: optimize builtin any/all/tuple calls with a generator expression arg (#131737)
2025-03-28 10:35:20 +00:00
compile.c
gh-130881: Handle conditionally defined annotations (#130935)
2025-03-26 03:48:19 +00:00
condvar.h
…
config_common.h
…
context.c
gh-132002: Fix crash of ContextVar on unhashable str subtype (#132003)
2025-04-02 14:48:47 +03:00
critical_section.c
gh-114203: Optimise simple recursive critical sections (#128126)
2024-12-23 13:31:33 +01:00
crossinterp_data_lookup.h
gh-76785: Improved Subinterpreters Compatibility with 3.12 (2/2) (gh-126707)
2024-11-12 10:41:51 -07:00
crossinterp_exceptions.h
gh-76785: Minor Cleanup of Exception-related Cross-interpreter State (gh-126602)
2024-11-11 14:49:41 -07:00
crossinterp.c
gh-131238: Remove includes from pycore_interp.h (#131495)
2025-03-20 11:35:23 +00:00
dtoa.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
dup2.c
…
dynamic_annotations.c
…
dynload_hpux.c
…
dynload_shlib.c
gh-131238: Remove more includes from pycore_interp.h (#131480)
2025-03-19 23:01:32 +01:00
dynload_stub.c
…
dynload_win.c
gh-131238: Remove pycore_runtime.h from pycore_pystate.h (#131356)
2025-03-19 17:33:24 +01:00
emscripten_signal.c
…
emscripten_trampoline.c
gh-128627: Skip wasm-gc on iOS Safari where it's broken (#130418)
2025-02-24 07:26:04 +08:00
errors.c
gh-131401: fix data races in exception handling (#131447)
2025-03-20 12:02:05 +05:30
executor_cases.c.h
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
2025-04-09 14:32:21 -07:00
fileutils.c
Fix Windows build warnings (#131487)
2025-03-20 12:03:20 +01:00
flowgraph.c
gh-130704: Strength reduce LOAD_FAST{_LOAD_FAST} (#130708)
2025-04-01 10:18:42 -07:00
formatter_unicode.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
frame.c
gh-128421: Avoid TSAN warnings in sys._current_frames() (gh-131548)
2025-03-24 09:49:39 -04:00
frozen.c
GH-89435: os.path should not be a frozen module (#126924)
2024-11-22 18:50:30 +00:00
frozenmain.c
…
future.c
gh-126139: Improve error message location for future statement with unknown feature (#126140)
2024-10-29 23:57:59 +00:00
gc_free_threading.c
gh-131586: Avoid refcount contention in some "special" calls (#131588)
2025-03-26 14:38:47 -04:00
gc_gil.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
gc.c
gh-130704: Strength reduce LOAD_FAST{_LOAD_FAST} (#130708)
2025-04-01 10:18:42 -07:00
generated_cases.c.h
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
2025-04-09 14:32:21 -07:00
getargs.c
gh-112068: C API: Add support of nullable arguments in PyArg_Parse (GH-121303)
2025-04-08 22:08:00 +03:00
getcompiler.c
…
getcopyright.c
gh-126133: Only use start year in PSF copyright, remove end years (#126236)
2024-11-12 15:59:19 +02:00
getopt.c
Make the Python CLI error message style more consistent (GH-128129)
2025-01-11 11:17:35 +02:00
getplatform.c
…
getversion.c
gh-119132: Update sys.version to identify free-threaded or not. (gh-119134)
2024-05-18 19:44:40 +00:00
hamt.c
gh-111178: remove redundant casts for functions with correct signatures (#131673)
2025-04-01 17:18:11 +02:00
hashtable.c
…
import.c
gh-131238: Remove more includes from pycore_interp.h (#131480)
2025-03-19 23:01:32 +01:00
importdl.c
GH-131238: More refactoring of core header files (GH-131351)
2025-03-17 14:41:05 +00:00
index_pool.c
gh-130740: Move some stdbool.h includes after Python.h (#130738)
2025-03-02 09:56:49 +00:00
initconfig.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
instruction_sequence.c
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
instrumentation.c
gh-131763: Replace the redundant check with assert in remove_tools (#131765)
2025-03-26 18:36:04 -04:00
interpconfig.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
intrinsics.c
gh-131238: Move _Py_VISIT_STACKREF() to pycore_stackref.h (#131560)
2025-03-21 23:24:14 +01:00
jit.c
gh-131238: Add missing pycore_function.h includes for JIT compiler (#131571)
2025-03-21 23:37:49 +00:00
legacy_tracing.c
gh-111178: fix UBSan failures for Python/legacy_tracing.c (#131611)
2025-03-24 11:00:32 +01:00
lock.c
gh-111178: Fix function signatures to fix undefined behavior (#131191)
2025-03-14 09:52:15 +00:00
marshal.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
modsupport.c
bpo-45325: Add a new 'p' parameter to Py_BuildValue to convert an integer into a Python bool (#28634)
2025-02-18 17:14:11 +00:00
mysnprintf.c
…
mystrtoul.c
…
object_stack.c
gh-100240: Use a consistent implementation for freelists (#121934)
2024-07-22 12:08:27 -04:00
opcode_targets.h
gh-130704: Strength reduce LOAD_FAST{_LOAD_FAST} (#130708)
2025-04-01 10:18:42 -07:00
optimizer_analysis.c
GH-131726: Split up _CHECK_VALIDITY_AND_SET_IP (GH-131810)
2025-04-01 16:55:05 -07:00
optimizer_bytecodes.c
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
2025-04-09 14:32:21 -07:00
optimizer_cases.c.h
GH-131798: Remove JIT guards for dict, frozenset, list, set, and tuple (GH-132289)
2025-04-09 14:32:21 -07:00
optimizer_symbols.c
GH-131331: Rename "not" to "invert" (GH-131334)
2025-03-20 16:59:41 -07:00
optimizer.c
GH-131726: Split up _CHECK_VALIDITY_AND_SET_IP (GH-131810)
2025-04-01 16:55:05 -07:00
parking_lot.c
gh-76785: Improved Subinterpreters Compatibility with 3.12 (1/2) (gh-126704)
2024-11-11 15:58:46 -07:00
pathconfig.c
gh-111924: Fix data races when swapping allocators (gh-130287)
2025-02-20 11:31:15 -05:00
perf_jit_trampoline.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
perf_trampoline.c
gh-131238: Remove includes from pycore_interp.h (#131495)
2025-03-20 11:35:23 +00:00
preconfig.c
…
pyarena.c
Chore: Fix typo in pyarena.c (#126527)
2024-11-07 16:37:41 +01:00
pyctype.c
…
pyfpe.c
…
pyhash.c
gh-122854: Add Py_HashBuffer() function (#122855)
2024-08-30 15:42:27 +00:00
pylifecycle.c
gh-131738: optimize builtin any/all/tuple calls with a generator expression arg (#131737)
2025-03-28 10:35:20 +00:00
pymath.c
…
pystate.c
gh-131238: Add pycore_interpframe_structs.h header (#131553)
2025-03-21 17:19:47 +00:00
pystrcmp.c
…
pystrhex.c
…
pystrtod.c
gh-120026: soft deprecate Py_HUGE_VAL macro (#120027)
2024-11-01 22:04:31 +00:00
Python-ast.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
Python-tokenize.c
gh-111178: Fix function signatures for test_types (#131455)
2025-03-19 13:46:17 +00:00
pythonrun.c
gh-131238: Remove more includes from pycore_interp.h (#131480)
2025-03-19 23:01:32 +01:00
pytime.c
gh-131238: Remove pycore_runtime.h from pycore_pystate.h (#131356)
2025-03-19 17:33:24 +01:00
qsbr.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
README
…
remote_debugging.c
gh-131591: Handle includes for iOS in remote_debugging.c (#132050)
2025-04-06 21:39:25 +01:00
specialize.c
gh-100239: more stats for BINARY_OP/SUBSCR specialization (#132230)
2025-04-08 08:50:51 +00:00
stackrefs.c
GH-131498: Cases generator: manage stacks automatically (GH-132074)
2025-04-04 17:59:36 +01:00
stdlib_module_names.h
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
structmember.c
gh-117657: TSAN Fix races in PyMember_Get and PyMember_Set for C extensions (GH-123211)
2024-12-03 09:41:53 -05:00
suggestions.c
GH-131238: Core header refactor (GH-131250)
2025-03-17 09:19:04 +00:00
symtable.c
gh-128632: fix segfault on nested __classdict__ type param (#128744)
2025-04-04 06:23:35 -07:00
sysmodule.c
gh-128384: Use a context variable for warnings.catch_warnings (gh-130010)
2025-04-09 16:18:54 -07:00
thread_nt.h
GH-131296: Add missing UNREACHABLE mark in thread_nt.h (GH-131589)
2025-03-31 20:28:35 +01:00
thread_pthread_stubs.h
gh-125161: return non zero value in pthread_self on wasi (#125303)
2024-10-13 20:59:41 +05:30
thread_pthread.h
gh-130115: fix thread identifiers for 32-bit musl (#130391)
2025-04-04 16:31:37 +02:00
thread.c
gh-131238: Add explicit includes to pycore headers (#131257)
2025-03-17 12:32:43 +01:00
tier2_engine.md
…
traceback.c
gh-125434: Display thread name in faulthandler (#132016)
2025-04-04 12:24:41 +00:00
tracemalloc.c
gh-131296: fix clang-cl warning in tracemalloc.c (#131514)
2025-03-22 10:38:47 +01:00
uniqueid.c
gh-128923: Use zero to indicate unassigned unique id (#128925)
2025-01-17 16:42:27 +01:00
vm-state.md
Fix typos in documentation and comments (#119763)
2024-06-04 10:22:22 +00:00

README 

Miscellaneous source files for the main Python shared library