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* bpo-37999: No longer use __int__ in implicit integer conversions. (GH-15636)Serhiy Storchaka2020-05-2611-338/+38
| | | | Only __index__ should be used to make integer conversions lossless.
* bpo-39573: Fix buildbot failure for tupleobject.c (GH-20391)Dong-hee Na2020-05-251-1/+1
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* bpo-34397: Remove redundant overflow checks in list and tuple ↵Sergey Fedoseev2020-05-252-15/+4
| | | | implementation. (GH-8757)
* bpo-37973: Improve the docstrings of sys.float_info (GH-19218)Zackery Spytz2020-05-241-2/+4
| | | Taken from https://docs.python.org/3/library/sys.html#sys.float_info
* Remove spurious NULL in descrobject.c (GH-20344)Hai Shi2020-05-241-1/+0
| | | Co-authored-by: hai shi <shihai1991@126.com>
* bpo-40696: Fix a hang that can arise after gen.throw() (GH-20287)Chris Jerdonek2020-05-221-4/+6
| | | | | | | | This updates _PyErr_ChainStackItem() to use _PyErr_SetObject() instead of _PyErr_ChainExceptions(). This prevents a hang in certain circumstances because _PyErr_SetObject() performs checks to prevent cycles in the exception context chain while _PyErr_ChainExceptions() doesn't.
* bpo-40521: Fix update_slot() when INTERN_NAME_STRINGS is not defined (#20246)Victor Stinner2020-05-191-1/+10
| | | | Fix type update_slot() function when the macro INTERN_NAME_STRINGS is not defined: use _PyUnicode_EQ() in this case.
* Use _PyErr_ChainStackItem() inside gen_send_ex(). (GH-20173)Chris Jerdonek2020-05-181-10/+2
| | | _PyErr_ChainStackItem was just added in GH-19951 (for bpo-31033).
* bpo-31033: Improve the traceback for cancelled asyncio tasks (GH-19951)Chris Jerdonek2020-05-181-17/+3
| | | | | When an asyncio.Task is cancelled, the exception traceback now starts with where the task was first interrupted. Previously, the traceback only had "depth one."
* bpo-39075: types.SimpleNamespace no longer sorts attributes in its repr ↵Zackery Spytz2020-05-161-2/+0
| | | | (GH-19430)
* bpo-40521: Add PyInterpreterState.unicode (GH-20081)Victor Stinner2020-05-131-31/+33
| | | | | | | Move PyInterpreterState.fs_codec into a new PyInterpreterState.unicode structure. Give a name to the fs_codec structure and use this structure in unicodeobject.c.
* bpo-29587: Make gen.throw() chain exceptions with yield from (GH-19858)Chris Jerdonek2020-05-131-10/+12
| | | | | | | | | | | | The previous commits on bpo-29587 got exception chaining working with gen.throw() in the `yield` case. This patch also gets the `yield from` case working. As a consequence, implicit exception chaining now also works in the asyncio scenario of awaiting on a task when an exception is already active. Tests are included for both the asyncio case and the pure generator-only case.
* bpo-39465: Remove _PyUnicode_ClearStaticStrings() from C API (GH-20078)Victor Stinner2020-05-131-3/+3
| | | | Remove the _PyUnicode_ClearStaticStrings() function from the C API. Make the function fully private (declare it with "static").
* bpo-38787: Add PyCFunction_CheckExact() macro for exact type checks (GH-20024)scoder2020-05-121-1/+1
| | | | | … now that we allow subtypes of PyCFunction. Also add PyCMethod_CheckExact() and PyCMethod_Check() for checks against the PyCMethod subtype.
* bpo-40596: Fix str.isidentifier() for non-canonicalized strings containing ↵Serhiy Storchaka2020-05-121-4/+22
| | | | non-BMP characters on Windows. (GH-20053)
* bpo-40593: Improve syntax errors for invalid characters in source code. ↵Serhiy Storchaka2020-05-121-23/+41
| | | | (GH-20033)
* bpo-39465: Don't access directly _Py_Identifier members (GH-20043)Victor Stinner2020-05-112-8/+8
| | | | | * Replace id->object with _PyUnicode_FromId(&id) * Use _Py_static_string_init(str) macro to initialize statically name_op in typeobject.c.
* bpo-40584: Update PyType_FromModuleAndSpec() to process tp_vectorcall_offset ↵Hai Shi2020-05-111-2/+12
| | | | (GH-20026)
* bpo-40575: Avoid unnecessary overhead in _PyDict_GetItemIdWithError() (GH-20018)scoder2020-05-111-1/+3
| | | | | Avoid unnecessary overhead in _PyDict_GetItemIdWithError() by calling _PyDict_GetItem_KnownHash() instead of the more generic PyDict_GetItemWithError(), since we already know the hash of interned strings.
* Improve code clarity for the set lookup logic (GH-20028)Raymond Hettinger2020-05-101-125/+55
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* bpo-37986: Improve perfomance of PyLong_FromDouble() (GH-15611)Sergey Fedoseev2020-05-102-23/+17
| | | | | | | | | * bpo-37986: Improve perfomance of PyLong_FromDouble() * Use strict bound check for safety and symmetry * Remove possibly outdated performance claims Co-authored-by: Mark Dickinson <dickinsm@gmail.com>
* bpo-40273: Reversible mappingproxy (FH-19513)Zackery Spytz2020-05-081-0/+9
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* bpo-38787: C API for module state access from extension methods (PEP 573) ↵Petr Viktorin2020-05-074-12/+182
| | | | | | | | | (GH-19936) Module C state is now accessible from C-defined heap type methods (PEP 573). Patch by Marcel Plch and Petr Viktorin. Co-authored-by: Marcel Plch <mplch@redhat.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-40521: Disable list free list in subinterpreters (GH-19959)Victor Stinner2020-05-061-1/+8
| | | | | | When Python is built with experimental isolated interpreters, disable the list free list. Temporary workaround until this cache is made per-interpreter.
* bpo-40521: Disable method cache in subinterpreters (GH-19960)Victor Stinner2020-05-061-3/+19
| | | | | | When Python is built with experimental isolated interpreters, disable the type method cache. Temporary workaround until the cache is made per-interpreter.
* bpo-40523: Add pass-throughs for hash() and reversed() to weakref.proxy ↵Pablo Galindo2020-05-051-1/+18
| | | | objects (GH-19946)
* bpo-40521: Disable free lists in subinterpreters (GH-19937)Victor Stinner2020-05-053-80/+162
| | | | | | | | | When Python is built with experimental isolated interpreters, disable tuple, dict and free free lists. Temporary workaround until these caches are made per-interpreter. Add frame_alloc() and frame_get_builtins() subfunctions to simplify _PyFrame_New_NoTrack().
* bpo-40521: Disable Unicode caches in isolated subinterpreters (GH-19933)Victor Stinner2020-05-052-15/+79
| | | | | | | When Python is built in the experimental isolated subinterpreters mode, disable Unicode singletons and Unicode interned strings since they are shared by all interpreters. Temporary workaround until these caches are made per-interpreter.
* bpo-29587: _PyErr_ChainExceptions() checks exception (GH-19902)Victor Stinner2020-05-052-20/+34
| | | | | | | | | | | | | | | | | | | _PyErr_ChainExceptions() now ensures that the first parameter is an exception type, as done by _PyErr_SetObject(). * The following function now check PyExceptionInstance_Check() in an assertion using a new _PyBaseExceptionObject_cast() helper function: * PyException_GetTraceback(), PyException_SetTraceback() * PyException_GetCause(), PyException_SetCause() * PyException_GetContext(), PyException_SetContext() * PyExceptionClass_Name() now checks PyExceptionClass_Check() with an assertion. * Remove XXX comment and add gi_exc_state variable to _gen_throw(). * Remove comment from test_generators
* bpo-40455: Remove gcc10 warning about x_digits (#19852)Dong-hee Na2020-05-041-4/+3
| | | | | | | * bpo-40455: Remove gcc10 warning about x_digits * bpo-40455: nit * bpo-40455: fix logic error
* bpo-39573: Use Py_IS_TYPE to check for types (GH-19882)Hai Shi2020-05-042-3/+3
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* bpo-40408: Fix support of nested type variables in GenericAlias. (GH-19836)Serhiy Storchaka2020-05-041-19/+104
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* Remove out-of-date comment (GH-19886)Raymond Hettinger2020-05-031-2/+1
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* Simplify set entry insertion logic. (GH-19881)Raymond Hettinger2020-05-031-16/+2
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* bpo-29587: allow chaining NULL exceptions in _gen_throw() (GH-19877)Chris Jerdonek2020-05-031-4/+5
| | | | | | | | | | | | | This is a follow-up to GH-19823 that removes the check that the exception value isn't NULL, prior to calling _PyErr_ChainExceptions(). This enables implicit exception chaining for gen.throw() in more circumstances. The commit also adds a test that a particular code snippet involving gen.throw() doesn't crash. The test shows why the new `gi_exc_state.exc_type != Py_None` check that was added is necessary. Without the new check, the code snippet (as well as a number of other tests) crashes on certain platforms (e.g. Fedora but not Mac).
* bpo-29587: Update gen.throw() to chain exceptions (#19823)Chris Jerdonek2020-05-021-0/+9
| | | | | | | Before this commit, if an exception was active inside a generator when calling gen.throw(), that exception was lost (i.e. there was no implicit exception chaining). This commit fixes that by setting exc.__context__ when calling gen.throw(exc).
* Revert "bpo-29587: Enable implicit exception chaining with gen.throw() ↵Victor Stinner2020-04-301-6/+0
| | | | | (GH-19811)" (#19821) This reverts commit 2514a632fb7d37be24c2059d0e286d35600f9795.
* bpo-29587: Enable implicit exception chaining with gen.throw() (GH-19811)Chris Jerdonek2020-04-301-0/+6
| | | | | Before this commit, if an exception was active inside a generator when calling gen.throw(), then that exception was lost (i.e. there was no implicit exception chaining). This commit fixes that.
* bpo-40228: More robust frame.setlineno. (GH-19437)Mark Shannon2020-04-291-312/+251
| | | More robust frame.setlineno. Makes no assumptions about source->bytecode translation.
* bpo-40421: Add PyFrame_GetBack() function (GH-19765)Victor Stinner2020-04-291-0/+10
| | | | | | New PyFrame_GetBack() function: get the frame next outer frame. Replace frame->f_back with PyFrame_GetBack(frame) in most code but frameobject.c, ceval.c and genobject.c.
* bpo-40429: PyThreadState_GetFrame() returns a strong ref (GH-19781)Victor Stinner2020-04-291-4/+5
| | | | The PyThreadState_GetFrame() function now returns a strong reference to the frame.
* bpo-40428: Remove PyTuple_ClearFreeList() function (GH-19769)Victor Stinner2020-04-297-51/+25
| | | | | | | | | | | | | | | | | | | Remove the following function from the C API: * PyAsyncGen_ClearFreeLists() * PyContext_ClearFreeList() * PyDict_ClearFreeList() * PyFloat_ClearFreeList() * PyFrame_ClearFreeList() * PyList_ClearFreeList() * PySet_ClearFreeList() * PyTuple_ClearFreeList() Make these functions private, move them to the internal C API and change their return type to void. Call explicitly PyGC_Collect() to free all free lists. Note: PySet_ClearFreeList() did nothing.
* bpo-40429: Refactor super_init() (GH-19776)Victor Stinner2020-04-291-64/+85
| | | | Add super_init_without_args() sub-function. Hold a strong reference to the frame code object while calling super_init_without_args().
* bpo-40429: PyFrame_GetCode() now returns a strong reference (GH-19773)Victor Stinner2020-04-282-2/+3
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* bpo-40429: PyFrame_GetCode() result cannot be NULL (GH-19772)Victor Stinner2020-04-283-31/+36
| | | Add frame_nslots() to factorize duplicate code.
* bpo-40421: Add PyFrame_GetCode() function (GH-19757)Victor Stinner2020-04-282-2/+9
| | | | | | | | | PyFrame_GetCode(frame): return a borrowed reference to the frame code. Replace frame->f_code with PyFrame_GetCode(frame) in most code, except in frameobject.c, genobject.c and ceval.c. Also add PyFrame_GetLineNumber() to the limited C API.
* bpo-40421: Add pyframe.h header file (GH-19755)Victor Stinner2020-04-281-2/+5
| | | | | | | | | | Add a new separated pyframe.h header file of the PyFrame public C API: it is included by Python.h. Add PyFrame_GetLineNumber() to the limited C API. Replace "struct _frame" with "PyFrameObject" in header files. PyFrameObject is now defined as struct _frame by pyframe.h which is included early enough in Python.h.
* bpo-40217: Clean code in PyType_FromSpec_Alloc and add NEWS entry (GH-19733)Pablo Galindo2020-04-271-9/+17
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* bpo-40217: Ensure Py_VISIT(Py_TYPE(self)) is always called for ↵Pablo Galindo2020-04-271-1/+83
| | | | PyType_FromSpec types (GH-19414)
* Update ga_new to use _PyArg_CheckPositional and _PyArg_NoKwnames (GH-19679)Dong-hee Na2020-04-231-4/+2
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