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idna / lib / python2.7 / site-packages / oslo_versionedobjects / base.pyc
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        :param objinst: The object instance on which to perform the action
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        Perform an action on a VersionedObject class.

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        remotable_classmethod methods will cause this to be executed to
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        :param context: The context within which to perform the action
        :param objname: The registry name of the object
        :param objmethod: The name of the action method to call
        :param objver: The (remote) version of the object on which the
                       action is being taken
        :param args: The positional arguments to the action method
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        This differs from object_class_action() in that it is provided
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        NOTE: This was not in the initial spec for this interface, so the
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        For backports, this method will be tried first, and if unimplemented,
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        :param context: The context within which to perform the action
        :param objname: The registry name of the object
        :param objmethod: The name of the action method to call
        :param object_versions: A dict of {objname: version} mappings
        :param args: The positional arguments to the action method
        :param kwargs: The keyword arguments to the action method
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        NOTE: This older/original method is soon to be deprecated. When a
        backport is required, the newer object_backport_versions() will be
        tried, and if it raises NotImplementedError, then we will fall back
        to this (less optimal) method.

        :param context: The context within which to perform the backport
        :param objinst: An instance of a VersionedObject to be backported
        :param target_version: The maximum version of the objinst's class
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        :returns: The downgraded instance of objinst
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        a mapping of all the dependent objects and their client-supported
        versions. The server will backport objects within the tree starting
        at objinst to the versions specified in object_versions, removing
        objects that have no entry. Use obj_tree_get_versions() to generate
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        NOTE: This was not in the initial spec for this interface, so the
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        For backports, this method will be tried first, and if unimplemented,
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        :param objinst: An instance of a VersionedObject to be backported
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    is a dict like:

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    :returns: A dictionary of object names and versions
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    the target version, TargetBeforeChildExistedException is raised. If there
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    :param tgt_version: The version we are converting the parent to
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