delta/cpython-git.git/Objects/tupleobject.c, branch enum-lost-fixes

bpo-43977: Use tp_flags for collection matching (GH-25723)

2021-04-30T08:50:28+00:00

* Add Py_TPFLAGS_SEQUENCE and Py_TPFLAGS_MAPPING, add to all relevant standard builtin classes.

* Set relevant flags on collections.abc.Sequence and Mapping.

* Use flags in MATCH_SEQUENCE and MATCH_MAPPING opcodes.

* Inherit Py_TPFLAGS_SEQUENCE and Py_TPFLAGS_MAPPING.

* Add NEWS

* Remove interpreter-state map_abc and seq_abc fields.

bpo-42128: Structural Pattern Matching (PEP 634) (GH-22917)

2021-02-26T22:51:55+00:00

Co-authored-by: Guido van Rossum 
Co-authored-by: Talin 
Co-authored-by: Pablo Galindo

bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)

2021-02-19T14:10:45+00:00

Pass the current interpreter (interp) rather than the current Python
thread state (tstate) to internal functions which only use the
interpreter.

Modified functions:

* _PyXXX_Fini() and _PyXXX_ClearFreeList() functions
* _PyEval_SignalAsyncExc(), make_pending_calls()
* _PySys_GetObject(), sys_set_object(), sys_set_object_id(), sys_set_object_str()
* should_audit(), set_flags_from_config(), make_flags()
* _PyAtExit_Call()
* init_stdio_encoding()
* etc.

bpo-40521: Always create the empty tuple singleton (GH-21116)

2020-06-24T13:21:54+00:00

Py_InitializeFromConfig() now always creates the empty tuple
singleton as soon as possible.

Optimize PyTuple_New(0): it no longer has to check if the empty tuple
was created or not, it is always creatd.

* Add tuple_create_empty_tuple_singleton() function.
* Add tuple_get_empty() function.
* Remove state parameter of tuple_alloc().

bpo-40521: Cleanup code of free lists (GH-21082)

2020-06-23T14:40:40+00:00

Add get_xxx_state() function to factorize duplicated code.

bpo-40989: PyObject_INIT() becomes an alias to PyObject_Init() (GH-20901)

2020-06-15T23:28:07+00:00

The PyObject_INIT() and PyObject_INIT_VAR() macros become aliases to,
respectively, PyObject_Init() and PyObject_InitVar() functions.

Rename _PyObject_INIT() and _PyObject_INIT_VAR() static inline
functions to, respectively, _PyObject_Init() and _PyObject_InitVar(),
and move them to pycore_object.h. Remove their return value:
their return type becomes void.

The _datetime module is now built with the Py_BUILD_CORE_MODULE macro
defined.

Remove an outdated comment on _Py_tracemalloc_config.

bpo-40887: Don't use finalized free lists (GH-20700)

2020-06-08T00:14:47+00:00

In debug mode, ensure that free lists are no longer used after being
finalized. Set numfree to -1 in finalization functions
(eg. _PyList_Fini()), and then check that numfree is not equal to -1
before using a free list (e.g list_dealloc()).

bpo-40521: Make tuple free list per-interpreter (GH-20247)

2020-06-04T21:38:36+00:00

Each interpreter now has its own tuple free lists:

* Move tuple numfree and free_list arrays into PyInterpreterState.
* Define PyTuple_MAXSAVESIZE and PyTuple_MAXFREELIST macros in
  pycore_interp.h.
* Add _Py_tuple_state structure. Pass it explicitly to tuple_alloc().
* Add tstate parameter to _PyTuple_ClearFreeList()
* Each interpreter now has its own empty tuple singleton.

bpo-39573: Convert Py_REFCNT and Py_SIZE to functions (GH-20429)

2020-05-27T12:55:10+00:00

Convert Py_REFCNT() and Py_SIZE() macros to static inline functions.
They cannot be used as l-value anymore: use Py_SET_REFCNT() and
Py_SET_SIZE() to set an object reference count and size.

Replace &Py_SIZE(self) with &((PyVarObject*)self)->ob_size
in arraymodule.c.

This change is backward incompatible on purpose, to prepare the C API
for an opaque PyObject structure.

bpo-39573: Fix buildbot failure for tupleobject.c (GH-20391)

2020-05-25T17:25:28+00:00