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Add some code comments about Python objects and capsule reference counting

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Issue #2208
This commit is contained in:
William S Fulton 2022-03-15 08:46:20 +00:00
commit dea0c3f0b2
1 changed files with 3 additions and 0 deletions
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3
Lib/python/pyrun.swg
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@ -998,6 +998,9 @@ SwigPyObject_New(void *ptr, swig_type_info *ty, int own)
sobj->dict = 0; sobj->dict = 0;
#endif #endif
if (own == SWIG_POINTER_OWN) { if (own == SWIG_POINTER_OWN) {
/* Obtain a reference to the Python capsule wrapping the module information, so that the
* module information is correctly destroyed after all SWIG python objects have been freed
* by the GC (and corresponding destructors invoked) */
Py_XINCREF(Swig_Capsule_global); Py_XINCREF(Swig_Capsule_global);
} }
} }