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merge with 3.4

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Georg Brandl 2014-10-31 10:39:29 +01:00
commit e21a531ef1
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Doc/extending/extending.rst
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@ -867,11 +867,8 @@ reclaim the memory belonging to any objects in a reference cycle, or referenced
from the objects in the cycle, even though there are no further references to
the cycle itself.
The cycle detector is able to detect garbage cycles and can reclaim them so long
as there are no finalizers implemented in Python (:meth:`__del__` methods).
When there are such finalizers, the detector exposes the cycles through the
:mod:`gc` module (specifically, the :attr:`~gc.garbage` variable in that module).
The :mod:`gc` module also exposes a way to run the detector (the
The cycle detector is able to detect garbage cycles and can reclaim them.
The :mod:`gc` module exposes a way to run the detector (the
:func:`~gc.collect` function), as well as configuration
interfaces and the ability to disable the detector at runtime. The cycle
detector is considered an optional component; though it is included by default,