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SF Patch #1463867: Improved generator finalization to allow generators

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that are suspended outside of any try/except/finally blocks to be
garbage collected even if they are part of a cycle.  Generators that
suspend inside of an active try/except or try/finally block (including
those created by a ``with`` statement) are still not GC-able if they
are part of a cycle, however.
This commit is contained in:
Phillip J. Eby 2006-04-10 17:51:05 +00:00
parent 17de8ffc21
commit 2ba96610bf
4 changed files with 29 additions and 1 deletions
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6
Modules/gcmodule.c
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@ -413,8 +413,12 @@ has_finalizer(PyObject *op)
assert(delstr != NULL);
return _PyInstance_Lookup(op, delstr) != NULL;
}
else
else if (PyType_HasFeature(op->ob_type, Py_TPFLAGS_HEAPTYPE))
return op->ob_type->tp_del != NULL;
else if (PyGen_CheckExact(op))
return PyGen_NeedsFinalizing((PyGenObject *)op);
else
return 0;
}
/* Move the objects in unreachable with __del__ methods into `finalizers`.