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* bpo-44525: Copy free variables in bytecode to allow calls to inner functions ↵Mark Shannon2021-11-237-62/+93
| | | | | | | | | | | to be specialized (GH-29595) * Make internal APIs that take PyFrameConstructor take a PyFunctionObject instead. * Add reference to function to frame, borrow references to builtins and globals. * Add COPY_FREE_VARS instruction to allow specialization of calls to inner functions.
* bpo-45850: Implement deep-freeze on Windows (#29648)Guido van Rossum2021-11-221-5/+0
| | | | | | Implement changes to build with deep-frozen modules on Windows. Note that we now require Python 3.10 as the "bootstrap" or "host" Python. This causes a modest startup speed (around 7%) on Windows.
* bpo-45871: Refactor except matcher validation into a separate function so ↵Irit Katriel2021-11-221-23/+33
| | | | that it can be reused. Add missing unit test. (GH-29711)
* bpo-45813: Make sure that frame->generator is NULLed when generator is ↵Mark Shannon2021-11-221-0/+3
| | | | deallocated. (GH-29700)
* bpo-45848: Allow the parser to get error lines from encoded files (GH-29646)Pablo Galindo Salgado2021-11-201-4/+14
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* Fix link to exception handling notes (GH-29617)Irit Katriel2021-11-191-1/+1
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* bpo-45709: Fix tracing when exception is handled. (GH-29638)Mark Shannon2021-11-191-4/+1
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* bpo-45609: Specialize STORE_SUBSCR (GH-29242)Dennis Sweeney2021-11-193-21/+147
| | | | | * Specialize STORE_SUBSCR for list[int], and dict[object] * Adds _PyDict_SetItem_Take2 which consumes references to the key and values.
* bpo-45829: Specialize BINARY_SUBSCR for __getitem__ implemented in Python. ↵Mark Shannon2021-11-183-56/+107
| | | | (GH-29592)
* bpo-45510: Specialize BINARY_SUBTRACT (GH-29523)Dong-hee Na2021-11-183-12/+60
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* bpo-45826: Fix a crash in suggestions.c by checking for `traceback is None` ↵Dennis Sweeney2021-11-171-3/+11
| | | | (GH-29590)
* bpo-42540: reallocation of id_mutex should not force default allocator ↵Sam Gross2021-11-171-1/+4
| | | | | | | (GH-29564) Unlike the other locks reinitialized by _PyRuntimeState_ReInitThreads, the "interpreters.main->id_mutex" is not freed by _PyRuntimeState_Fini and should not force the default raw allocator.
* bpo-45831: _Py_DumpASCII() uses a single write() call if possible (GH-29596)Victor Stinner2021-11-171-0/+22
| | | | If the string is ASCII only and doesn't need to escape characters, write the whole string with a single write() syscall.
* bpo-45636: Simplify BINARY_OP (GH-29565)Brandt Bucher2021-11-161-83/+34
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* bpo-45753: Make recursion checks more efficient. (GH-29524)Mark Shannon2021-11-166-36/+40
| | | | * Uses recursion remaining, instead of recursion depth to speed up check against recursion limit.
* bpo-28533: Remove asyncore, asynchat, smtpd modules (GH-29521)Victor Stinner2021-11-151-3/+0
| | | | | | | | | | | | | | | | Remove the asyncore and asynchat modules, deprecated in Python 3.6: use the asyncio module instead. Remove the smtpd module, deprecated in Python 3.6: the aiosmtpd module can be used instead, it is based on asyncio. * Remove asyncore, asynchat and smtpd documentation * Remove test_asyncore, test_asynchat and test_smtpd * Rename Lib/asynchat.py to Lib/test/support/_asynchat.py * Rename Lib/asyncore.py to Lib/test/support/_asyncore.py * Rename Lib/smtpd.py to Lib/test/support/_smtpd.py * Remove DeprecationWarning from private _asyncore, _asynchat and _smtpd modules * _smtpd: remove deprecated properties
* bpo-45636: Remove the old %-formatting fast-path (GH-29532)Brandt Bucher2021-11-152-12/+8
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* bpo-45711: assert that the type of exc_info is redundant (GH-29518)Irit Katriel2021-11-121-0/+25
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* bpo-45773: Stop "optimizing" certain jump patterns (GH-29505)Brandt Bucher2021-11-111-76/+41
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* bpo-45636: Merge all numeric operators (GH-29482)Brandt Bucher2021-11-114-700/+338
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* bpo-45696: Deep-freeze selected modules (GH-29118)Guido van Rossum2021-11-114-32/+120
| | | | | | | This gains 10% or more in startup time for `python -c pass` on UNIX-ish systems. The Makefile.pre.in generating code builds on Eric's work for bpo-45020, but the .c file generator is new. Windows version TBD.
* bpo-45711: remove unnecessary DUP_TOP and POP in exception handling (GH-29495)Irit Katriel2021-11-102-10/+5
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* bpo-45292: [PEP 654] Update traceback display code to work with exception ↵Irit Katriel2021-11-052-72/+363
| | | | groups (GH-29207)
* bpo-45688: Add _scproxy to sys.stdlib_module_names (GH-29358)Christian Heimes2021-11-021-0/+1
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* bpo-45379: clarify FROZEN_EXCLUDED and FROZEN_INVALID documentation (GH-29189)Filipe Laíns2021-10-291-2/+7
| | | | Signed-off-by: Filipe Laíns <lains@riseup.net> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-45395: Make custom frozen modules additions instead of replacements. ↵Eric Snow2021-10-282-53/+125
| | | | | | | | | (gh-28778) Currently custom modules (the array set on PyImport_FrozenModules) replace all the frozen stdlib modules. That can be problematic and is unlikely to be what the user wants. This change treats the custom frozen modules as additions instead. They take precedence over all other frozen modules except for those needed to bootstrap the import system. If the "code" field of an entry in the custom array is NULL then that frozen module is treated as disabled, which allows a custom entry to disable a frozen stdlib module. This change allows us to get rid of is_essential_frozen_module() and simplifies the logic for which frozen modules should be ignored. https://bugs.python.org/issue45395
* bpo-45379: add custom error string for FROZEN_DISABLED (GH-29190)Filipe Laíns2021-10-281-1/+3
| | | | | Signed-off-by: Filipe Laíns <lains@riseup.net> Co-authored-by: Gareth Rees <gdr@garethrees.org>
* Store actual ints, not pointers to them in the interpreter state. (GH-29274)Mark Shannon2021-10-281-3/+1
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* bpo-45256: Rationalize code around Python-to-Python calls a bit. (GH-29235)Mark Shannon2021-10-282-63/+100
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* bpo-44525: Add recursive checks for `CALL_FUNCTION_BUILTIN_O` (GH-29271)Ken Jin2021-10-281-0/+6
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* bpo-45637: Store the frame pointer in the cframe (GH-29267)Mark Shannon2021-10-285-31/+32
| | | * Rename 'frame' to 'current_frame'
* Don't make a call at the C level when calling bound-methods from Python ↵Mark Shannon2021-10-271-1/+14
| | | | code. (GH-29238)
* bpo-44511: Improve the bytecode for class and mapping patterns (GH-26922)Brandt Bucher2021-10-273-80/+75
| | | | | | | * Refactor mapping patterns and speed up class patterns. * Simplify MATCH_KEYS and MATCH_CLASS. * Add COPY opcode.
* bpo-45506: Normalize _PyPathConfig.stdlib_dir when calculated. (#29040)Eric Snow2021-10-221-0/+95
| | | | | The recently added PyConfig.stdlib_dir was being set with ".." entries. When __file__ was added for from modules this caused a problem on out-of-tree builds. This PR fixes that by normalizing "stdlib_dir" when it is calculated in getpath.c. https://bugs.python.org/issue45506
* bpo-45292: [PEP 654] add the ExceptionGroup and BaseExceptionGroup classes ↵Irit Katriel2021-10-221-0/+2
| | | | (GH-28569)
* bpo-45522: Allow to disable freelists on build time (GH-29056)Christian Heimes2021-10-211-8/+15
| | | | | | | | Freelists for object structs can now be disabled. A new ``configure`` option ``--without-freelists`` can be used to disable all freelists except empty tuple singleton. Internal Py*_MAXFREELIST macros can now be defined as 0 without causing compiler warnings and segfaults. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45527: Don't count cache hits, just misses. (GH-29092)Mark Shannon2021-10-202-60/+33
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* bpo-44525: Specialize simple Python calls. (GH-29033)Mark Shannon2021-10-203-37/+143
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* bpo-44525: Specialize ``CALL_FUNCTION`` for C function calls (GH-26934)Ken Jin2021-10-193-27/+321
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* Record cache hits for BINARY_SUBSCR specializations (GH-29060)Ken Jin2021-10-191-0/+3
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* bpo-35134: Add Include/cpython/longobject.h (GH-29044)Victor Stinner2021-10-192-2/+3
| | | | | | | | | | Move Include/longobject.h non-limited API to a new Include/cpython/longobject.h header file. Move the following definitions to the internal C API: * _PyLong_DigitValue * _PyLong_FormatAdvancedWriter() * _PyLong_FormatWriter()
* bpo-43760: Rename _PyThreadState_DisableTracing() (GH-29032)Victor Stinner2021-10-182-9/+9
| | | | | | * Rename _PyThreadState_DisableTracing() to _PyThreadState_PauseTracing() * Rename _PyThreadState_ResetTracing() to _PyThreadState_ResumeTracing()
* bpo-45256: Avoid C calls for most Python to Python calls. (GH-28937)Mark Shannon2021-10-181-153/+97
| | | | | | * Avoid making C calls for most calls to Python functions. * Change initialize_locals(steal=true) and _PyTuple_FromArraySteal to consume the argument references regardless of whether they succeed or fail.
* bpo-45434: Include stdlib.h for specialize stat (GH-29015)Dong-hee Na2021-10-181-1/+2
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* bpo-45020: Default to using frozen modules unless running from source tree. ↵Eric Snow2021-10-162-19/+73
| | | | | | | (gh-28940) The default was "off". Switching it to "on" means users get the benefit of frozen stdlib modules without having to do anything. There's a special-case for running-in-source-tree, so contributors don't get surprised when their stdlib changes don't get used. https://bugs.python.org/issue45020
* bpo-45440: Remove pymath.c fallbacks (GH-28977)Victor Stinner2021-10-151-48/+0
| | | | | | | | Remove fallbacks for missing round(), copysign() and hypot() in Python/pymath.c. Python now requires these functions to build. These fallbacks were needed on Visual Studio 2012 and older. They are no longer needed since Visual Stuido 2013. Python is now built with Visual Studio 2017 or newer since Python 3.6.
* bpo-43760: Add PyThreadState_EnterTracing() (GH-28542)Victor Stinner2021-10-153-18/+27
| | | | | | | | | | Add PyThreadState_EnterTracing() and PyThreadState_LeaveTracing() functions to the limited C API to suspend and resume tracing and profiling. Add an unit test on the PyThreadState C API to _testcapi. Add also internal _PyThreadState_DisableTracing() and _PyThreadState_ResetTracing().
* bpo-45482: Rename namespaceobject.h to pycore_namespace.h (GH-28975)Victor Stinner2021-10-152-10/+11
| | | | | | | | | Rename Include/namespaceobject.h to Include/internal/pycore_namespace.h. The _testmultiphase extension is now built with the Py_BUILD_CORE_MODULE macro defined to access _PyNamespace_Type. object.c: remove unused "pycore_context.h" include.
* bpo-35134: Move classobject.h to Include/cpython/ (GH-28968)Victor Stinner2021-10-151-1/+0
| | | | | | | | | Move classobject.h, context.h, genobject.h and longintrepr.h header files from Include/ to Include/cpython/. Remove redundant "#ifndef Py_LIMITED_API" in context.h. Remove explicit #include "longintrepr.h" in C files. It's not needed, Python.h already includes it.
* bpo-35134: Add Include/cpython/floatobject.h (GH-28957)Victor Stinner2021-10-141-0/+1
| | | | | Split Include/floatobject.h into sub-files: add Include/cpython/floatobject.h and Include/internal/pycore_floatobject.h.
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