Method get_node

dns/zone.py:263–287

Get a node in the zone, possibly creating it. This method is like ``find_node()``, except it returns None instead of raising an exception if the node does not exist and creation has not been requested. *name*: the name of the node to find. The value may be a

(
        self, name: dns.name.Name | str, create: bool = False
    )

        return node

    def get_node(
        self, name: dns.name.Name | str, create: bool = False
    ) -> dns.node.Node | None:
        """Get a node in the zone, possibly creating it.

        This method is like ``find_node()``, except it returns None instead
        of raising an exception if the node does not exist and creation
        has not been requested.

        *name*: the name of the node to find.
        The value may be a ``dns.name.Name`` or a ``str``.  If absolute, the
        name must be a subdomain of the zone's origin.  If ``zone.relativize``
        is ``True``, then the name will be relativized.

        *create*, a ``bool``.  If true, the node will be created if it does
        not exist.

        Returns a ``dns.node.Node`` or ``None``.
        """

        try:
            node = self.find_node(name, create)
        except KeyError:
            node = None
        return node

    def delete_node(self, name: dns.name.Name | str) -> None:
        """Delete the specified node if it exists.