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* bpo-38787: Update structures.rst docs (PEP 573) (GH-19980)Hai Shi2020-05-071-10/+6
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* bpo-38787: C API for module state access from extension methods (PEP 573) ↵Petr Viktorin2020-05-071-8/+227
| | | | | | | | | (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-39824: module_traverse() don't call m_traverse if md_state=NULL (GH-18738)Victor Stinner2020-03-171-51/+3
| | | | | | | | | | | | | Extension modules: m_traverse, m_clear and m_free functions of PyModuleDef are no longer called if the module state was requested but is not allocated yet. This is the case immediately after the module is created and before the module is executed (Py_mod_exec function). More precisely, these functions are not called if m_size is greater than 0 and the module state (as returned by PyModule_GetState()) is NULL. Extension modules without module state (m_size <= 0) are not affected. Co-Authored-By: Petr Viktorin <encukou@gmail.com>
* bpo-32388: Remove cross-version binary compatibility requirement in tp_flags ↵Antoine Pitrou2019-05-291-1/+1
| | | | | | | | (GH-4944) It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags. This will reduce the risk of running out of bits in the 32-bit tp_flags value.
* bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)Serhiy Storchaka2019-02-251-2/+5
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* bpo-34720: Fix test_importlib.test_bad_traverse for AIX (GH-9391)Michael Felt2019-02-171-0/+8
| | | | | | Fix Modules/_testmultiphase.c so that it exits with non-zero status on AIX just as other systems do (non zero exit status, e.g. as result of a segmentation fault) when a NULL pointer is accessed for data. https://bugs.python.org/issue34720
* Make two PyModuleDef_Slot symbols static in _testmultiphase. (GH-8147)Benjamin Peterson2018-07-071-2/+2
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* bpo-33644: Fix signatures of tp_finalize handlers in testing code. (GH-7111)Serhiy Storchaka2018-05-261-2/+1
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* bpo-32374: m_traverse may be called with m_state=NULL (GH-5140)Marcel Plch2018-03-171-3/+49
| | | | | Multi-phase initialized modules allow m_traverse to be called while the module is still being initialized, so module authors may need to account for that.
* Issue #28999: Use Py_RETURN_NONE, Py_RETURN_TRUE and Py_RETURN_FALSE whereverSerhiy Storchaka2017-01-231-2/+1
| | | | possible. Patch is writen with Coccinelle.
* Merge #27782 fix from 3.5Nick Coghlan2016-08-211-1/+32
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| * Issue #27782: Fix m_methods handling in multiphase initNick Coghlan2016-08-211-1/+32
| | | | | | | | | | | | | | | | Multi-phase extension module import now correctly allows the ``m_methods`` field to be used to add module level functions to instances of non-module types returned from ``Py_create_mod``. Patch by Xiang Zhang.
* | Issue #25923: Added more const qualifiers to signatures of static and ↵Serhiy Storchaka2015-12-251-1/+1
|/ | | | private functions.
* Close #24748: Restore imp.load_dynamic compatibilityNick Coghlan2015-09-051-0/+10
| | | | | | | | To resolve a compatibility problem found with py2exe and pywin32, imp.load_dynamic() once again ignores previously loaded modules to support Python modules replacing themselves with extension modules. Patch by Petr Viktorin.
* Issue #24373: Eliminate PEP 489 test refleaksNick Coghlan2015-06-041-6/+14
| | | | | | | _testmultiphase and xxlimited now use tp_traverse and tp_finalize to avoid reference leaks encountered when combining tp_dealloc with PyType_FromSpec (see issue #16690 for details)
* fix importing one char extension modules (closes #24328)Benjamin Peterson2015-05-291-0/+8
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* Issue #24268: Address some PEP 489 refleaksNick Coghlan2015-05-231-0/+1
| | | | | | | | - missing DECREF in PyModule_FromDefAndSpec2 - missing DECREF in PyType_FromSpecAndBases2 - missing DECREF in _testmultiphase module Patch by Petr Viktorin
* PEP 489: Multi-phase extension module initializationNick Coghlan2015-05-231-0/+567
Known limitations of the current implementation: - documentation changes are incomplete - there's a reference leak I haven't tracked down yet The leak is most visible by running: ./python -m test -R3:3 test_importlib However, you can also see it by running: ./python -X showrefcount Importing the array or _testmultiphase modules, and then deleting them from both sys.modules and the local namespace shows significant increases in the total number of active references each cycle. By contrast, with _testcapi (which continues to use single-phase initialisation) the global refcounts stabilise after a couple of cycles.
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