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* bpo-44525: Copy free variables in bytecode to allow calls to inner functions ↵Mark Shannon2021-11-231-0/+33
| | | | | | | | | | | 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-42073: allow classmethod to wrap other classmethod-like descriptors (#27115)Łukasz Langa2021-07-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Patch by Erik Welch. bpo-19072 (#8405) allows `classmethod` to wrap other descriptors, but this does not work when the wrapped descriptor mimics classmethod. The current PR fixes this. In Python 3.8 and before, one could create a callable descriptor such that this works as expected (see Lib/test/test_decorators.py for examples): ```python class A: @myclassmethod def f1(cls): return cls @classmethod @myclassmethod def f2(cls): return cls ``` In Python 3.8 and before, `A.f2()` return `A`. Currently in Python 3.9, it returns `type(A)`. This PR make `A.f2()` return `A` again. As of #8405, classmethod calls `obj.__get__(type)` if `obj` has `__get__`. This allows one to chain `@classmethod` and `@property` together. When using classmethod-like descriptors, it's the second argument to `__get__`--the owner or the type--that is important, but this argument is currently missing. Since it is None, the "owner" argument is assumed to be the type of the first argument, which, in this case, is wrong (we want `A`, not `type(A)`). This PR updates classmethod to call `obj.__get__(type, type)` if `obj` has `__get__`. Co-authored-by: Erik Welch <erik.n.welch@gmail.com>
* bpo-44207: Add an internal version number to function objects. (GH-27078)Mark Shannon2021-07-121-1/+25
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* bpo-44530: Add co_qualname field to PyCodeObject (GH-26941)Gabriele N. Tornetta2021-07-071-1/+3
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* bpo-43693: Clean up the PyCodeObject fields. (GH-26364)Eric Snow2021-05-261-7/+7
| | | | | | | | | | * Move up the comment about fields using in hashing/comparision. * Group the fields more clearly. * Add co_ncellvars and co_nfreevars. * Raise ValueError if nlocals != len(varnames), rather than aborting.
* bpo-43682: Make staticmethod objects callable (GH-25117)Victor Stinner2021-04-121-1/+8
| | | Static methods (@staticmethod) are now callable as regular functions.
* bpo-43682: @staticmethod inherits attributes (GH-25268)Victor Stinner2021-04-091-9/+71
| | | | | | | | | | Static methods (@staticmethod) and class methods (@classmethod) now inherit the method attributes (__module__, __name__, __qualname__, __doc__, __annotations__) and have a new __wrapped__ attribute. Changes: * Add a repr() method to staticmethod and classmethod types. * Add tests on the @classmethod decorator.
* bpo-43541: Fix PyEval_EvalCodeEx() regression (GH-24918)Victor Stinner2021-03-181-1/+1
| | | | | | | | | | | * Remove an assertion which required CO_NEWLOCALS and CO_OPTIMIZED code flags. It is ok to call this function on a code with these flags set. * Fix reference counting on builtins: remove Py_DECREF(). Fix regression introduced in the commit 46496f9d12582bf11f4911ad0f23315d6f277907. Add also a comment to document that _PyEval_BuiltinsFromGlobals() returns a borrowed reference.
* bpo-42990: Functions inherit current builtins (GH-24564)Victor Stinner2021-02-201-2/+6
| | | | | | | | | | | | | | | | | | | | The types.FunctionType constructor now inherits the current builtins if the globals dictionary has no "__builtins__" key, rather than using {"None": None} as builtins: same behavior as eval() and exec() functions. Defining a function with "def function(...): ..." in Python is not affected, globals cannot be overriden with this syntax: it also inherits the current builtins. PyFrame_New(), PyEval_EvalCode(), PyEval_EvalCodeEx(), PyFunction_New() and PyFunction_NewWithQualName() now inherits the current builtins namespace if the globals dictionary has no "__builtins__" key. * Add _PyEval_GetBuiltins() function. * _PyEval_BuiltinsFromGlobals() now uses _PyEval_GetBuiltins() if builtins cannot be found in globals. * Add tstate parameter to _PyEval_BuiltinsFromGlobals().
* bpo-42990: Refactor _PyFrame_New_NoTrack() (GH-24566)Victor Stinner2021-02-181-52/+59
| | | | | | | | | | | | * Refactor _PyFrame_New_NoTrack() and PyFunction_NewWithQualName() code. * PyFrame_New() checks for _PyEval_BuiltinsFromGlobals() failure. * Fix a ref leak in _PyEval_BuiltinsFromGlobals() error path. * Complete PyFunction_GetModule() documentation: it returns a borrowed reference and it can return NULL. * Move _PyEval_BuiltinsFromGlobals() definition to the internal C API. * PyFunction_NewWithQualName() uses _Py_IDENTIFIER() API for the "__name__" string to make it compatible with subinterpreters.
* bpo-42990: Add __builtins__ attribute to functions (GH-24559)Victor Stinner2021-02-181-0/+1
| | | | | | Expose the new PyFunctionObject.func_builtins member in Python as a new __builtins__ attribute on functions. Document also the behavior change in What's New in Python 3.10.
* bpo-42990: Further refactoring of PyEval_ functions. (GH-24368)Mark Shannon2021-02-011-2/+2
| | | | | | | | | | * Further refactoring of PyEval_EvalCode and friends. Break into make-frame, and eval-frame parts. * Simplify function vector call using new _PyEval_Vector. * Remove unused internal functions: _PyEval_EvalCodeWithName and _PyEval_EvalCode. * Don't use legacy function PyEval_EvalCodeEx.
* bpo-42990: Introduce 'frame constructor' struct to simplify API for ↵Mark Shannon2021-01-291-2/+11
| | | | | | | PyEval_CodeEval and friends (GH-24298) * Introduce 'frame constructor' to simplify API for frame creation * Embed struct using a macro to conform to PEP 7
* bpo-42202: Store func annotations as a tuple (GH-23316)Yurii Karabas2020-11-251-0/+19
| | | | | | | | | | | | | Reduce memory footprint and improve performance of loading modules having many func annotations. >>> sys.getsizeof({"a":"int","b":"int","return":"int"}) 232 >>> sys.getsizeof(("a","int","b","int","return","int")) 88 The tuple is converted into dict on the fly when `func.__annotations__` is accessed first. Co-authored-by: Serhiy Storchaka <storchaka@gmail.com> Co-authored-by: Inada Naoki <songofacandy@gmail.com>
* bpo-42143: Ensure PyFunction_NewWithQualName() can't fail after creating the ↵Yonatan Goldschmidt2020-10-291-13/+16
| | | | | | func object (GH-22953) func_dealloc() does not handle partially-created objects. Best not to give it any.
* bpo-41078: Rename pycore_tupleobject.h to pycore_tuple.h (GH-21056)Victor Stinner2020-06-221-1/+0
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* bpo-40268: Remove unused pycore_pymem.h includes (GH-19531)Victor Stinner2020-04-151-1/+0
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* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-1/+1
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)Victor Stinner2020-04-141-1/+0
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* bpo-36347: stop using RESTRICTED constants (GH-12684)Jeroen Demeyer2020-02-181-6/+4
| | | | | | | | The constants `RESTRICTED` and `PY_WRITE_RESTRICTED` no longer have a meaning in Python 3. Therefore, CPython should not use them. CC @matrixise https://bugs.python.org/issue36347
* bpo-39245: Switch to public API for Vectorcall (GH-18460)Petr Viktorin2020-02-111-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The bulk of this patch was generated automatically with: for name in \ PyObject_Vectorcall \ Py_TPFLAGS_HAVE_VECTORCALL \ PyObject_VectorcallMethod \ PyVectorcall_Function \ PyObject_CallOneArg \ PyObject_CallMethodNoArgs \ PyObject_CallMethodOneArg \ ; do echo $name git grep -lwz _$name | xargs -0 sed -i "s/\b_$name\b/$name/g" done old=_PyObject_FastCallDict new=PyObject_VectorcallDict git grep -lwz $old | xargs -0 sed -i "s/\b$old\b/$new/g" and then cleaned up: - Revert changes to in docs & news - Revert changes to backcompat defines in headers - Nudge misaligned comments
* bpo-39573: Use Py_TYPE() macro in Objects directory (GH-18392)Victor Stinner2020-02-071-2/+2
| | | Replace direct access to PyObject.ob_type with Py_TYPE().
* bpo-19072: Make @classmethod support chained decorators (GH-8405)Berker Peksag2019-08-241-0/+4
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* bpo-37151: remove _PyFunction_FastCallDict (GH-13864)Jeroen Demeyer2019-06-181-12/+1
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* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-301-5/+5
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-36974: rename _FastCallKeywords -> _Vectorcall (GH-13653)Jeroen Demeyer2019-05-301-1/+1
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* bpo-36974: implement PEP 590 (GH-13185)Jeroen Demeyer2019-05-291-1/+3
| | | | | Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be> Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338)Jeroen Demeyer2019-05-281-1/+2
| | | Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-36842: Implement PEP 578 (GH-12613)Steve Dower2019-05-231-0/+40
| | | Adds sys.audit, sys.addaudithook, io.open_code, and associated C APIs.
* bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)Serhiy Storchaka2019-02-251-1/+5
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* Clarify the behavior of the staticmethod builtin (GH-4362)Jess Shapiro2018-12-231-2/+4
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* bpo-33029: Fix signatures of getter and setter functions. (GH-10746)Serhiy Storchaka2018-11-271-12/+12
| | | Fix also return type for few other functions (clear, releasebuffer).
* bpo-35081: Add Include/internal/pycore_tupleobject.h (GH-10705)Victor Stinner2018-11-251-0/+1
| | | | Move _PyTuple_ITEMS() to a new header file: Include/internal/pycore_tupleobject.h
* bpo-35081: Add Include/internal/pycore_object.h (GH-10640)Victor Stinner2018-11-211-0/+1
| | | | Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from Include/objimpl.h to Include/internal/pycore_object.h.
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-121-2/+2
| | | | | | | | | | | | | | Rename Include/internal/ headers: * pycore_hash.h -> pycore_pyhash.h * pycore_lifecycle.h -> pycore_pylifecycle.h * pycore_mem.h -> pycore_pymem.h * pycore_state.h -> pycore_pystate.h Add missing headers to Makefile.pre.in and PCbuild: * pycore_condvar.h. * pycore_hamt.h * pycore_pyhash.h
* bpo-35199: Add an internal _PyTuple_ITEMS() macro (GH-10434)Victor Stinner2018-11-091-1/+1
| | | | | | | * _PyTuple_ITEMS() gives access to the tuple->ob_item field and cast the first argument to PyTupleObject*. This internal macro is only usable if Py_BUILD_CORE is defined. * Replace &PyTuple_GET_ITEM(ob, 0) with _PyTuple_ITEMS(ob). * Replace PyTuple_GET_ITEM(op, 1) with &_PyTuple_ITEMS(ob)[1].
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-11-011-2/+2
| | | | | | | | | | | | | | | | | | | | * Rename Include/internal/ header files: * pyatomic.h -> pycore_atomic.h * ceval.h -> pycore_ceval.h * condvar.h -> pycore_condvar.h * context.h -> pycore_context.h * pygetopt.h -> pycore_getopt.h * gil.h -> pycore_gil.h * hamt.h -> pycore_hamt.h * hash.h -> pycore_hash.h * mem.h -> pycore_mem.h * pystate.h -> pycore_state.h * warnings.h -> pycore_warnings.h * PCbuild project, Makefile.pre.in, Modules/Setup: add the Include/internal/ directory to the search paths of header files. * Update includes. For example, replace #include "internal/mem.h" with #include "pycore_mem.h".
* bpo-33418: Add tp_clear for function object (GH-8058)INADA Naoki2018-07-041-13/+21
| | | | | Without tp_clear, GC can't break cyclic reference. It will cause memory leak when cyclic reference is created intentionally.
* bpo-31787: Prevent refleaks when calling __init__() more than once (GH-3995)Oren Milman2018-02-131-2/+2
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* bpo-30860: Consolidate stateful runtime globals. (#3397)Eric Snow2017-09-071-0/+2
| | | | | | | * group the (stateful) runtime globals into various topical structs * consolidate the topical structs under a single top-level _PyRuntimeState struct * add a check-c-globals.py script that helps identify runtime globals Other globals are excluded (see globals.txt and check-c-globals.py).
* bpo-30878: Fix error message when keyword arguments are passed (#2635)Sylvain2017-07-091-4/+4
| | | to staticmethod() and classmethod().
* bpo-29793: Convert some builtin types constructors to Argument Clinic. (#615)Serhiy Storchaka2017-03-191-26/+31
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* Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE whereverSerhiy Storchaka2017-01-231-4/+2
| | | | possible. Patch is writen with Coccinelle.
* Issue #28839: Optimize function_call()Victor Stinner2017-01-031-47/+6
| | | | | | | function_call() now simply calls _PyFunction_FastCallDict(). _PyFunction_FastCallDict() is more efficient: it contains fast paths for the common case (optimized code object and no keyword argument).
* Issue #28959: Added private macro PyDict_GET_SIZE for retrieving the size of ↵Serhiy Storchaka2016-12-161-1/+1
| | | | dict.
* Issue #28139: Merge indentation fixes from 3.5 into 3.6Martin Panter2016-09-171-8/+12
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| * Issue #28139: Fix messed up indentationMartin Panter2016-09-171-8/+12
| | | | | | | | | | Also update the classmethod and staticmethod doc strings and comments to match the RST documentation.
* | Issue #26200: Added Py_SETREF and replaced Py_XSETREF with Py_SETREFSerhiy Storchaka2016-04-101-1/+1
|\ \ | |/ | | | | in places where Py_DECREF was used.
| * Issue #26200: Added Py_SETREF and replaced Py_XSETREF with Py_SETREFSerhiy Storchaka2016-04-101-1/+1
| | | | | | | | in places where Py_DECREF was used.
* | Issue #22570: Renamed Py_SETREF to Py_XSETREF.Serhiy Storchaka2016-04-061-11/+11
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