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.. _reactors:
Reactors
========
Persistent reactors are optional object handles of objects registering
themselves as reactors on an object. Any DXF object or DXF entity may have
reactors.
Use the high level methods of :class:`~ezdxf.entities.DXFEntity` to manage
persistent reactor handles.
- :meth:`~ezdxf.entities.DXFEntity.has_reactors`
- :meth:`~ezdxf.entities.DXFEntity.get_reactors`
- :meth:`~ezdxf.entities.DXFEntity.set_reactors`
- :meth:`~ezdxf.entities.DXFEntity.append_reactor_handle`
- :meth:`~ezdxf.entities.DXFEntity.discard_reactor_handle`
*Ezdxf* keeps these reactors only up to date, if this is absolute necessary
according to the DXF reference.
.. seealso::
- Internals about :ref:`reactors_internals`
- Internal Reactors management class: :class:`~ezdxf.entities.appdata.Reactors`
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