Method narrow

python/proton/_data.py:768–776

Modify this :class:`Data` object to behave as if the current node is the root node of the tree. This impacts the behavior of :meth:`rewind`, :meth:`next`, :meth:`prev`, and anything else that depends on the navigational state of the :class:`Data` object. Use :meth:`w

(self)

        return pn_data_lookup(self._data, name)

    def narrow(self) -> None:
        """
        Modify this :class:`Data` object to behave as if the current node is the
        root node of the tree. This impacts the behavior of :meth:`rewind`,
        :meth:`next`, :meth:`prev`, and anything else that depends on the
        navigational state of the :class:`Data` object. Use :meth:`widen`
        to reverse the effect of this operation.
        """
        pn_data_narrow(self._data)

    def widen(self) -> None:
        """ Reverse the effect of :meth:`narrow`. """