def _get_layer(self, layer_id):
        """
        :return: the layer with the :paramref:`layer_id`. If the layer
          does not exist, it is created.
        :param str layer_id: the id of the layer
        """
        if layer_id not in self._layer_id_to_layer:
            self._svg.setdefault("g", [])
            layer = {
                "g": [],
                "@inkscape:label": layer_id,
                "@id": layer_id,
                "@inkscape:groupmode": "layer",
                "@class": "row"
            }
            self._layer_id_to_layer[layer_id] = layer
            self._svg["g"].append(layer)
        return self._layer_id_to_layer[layer_id]
def _get_layer(self, layer_id):
        """
        :return: the layer with the :paramref:`layer_id`. If the layer
          does not exist, it is created.
        :param str layer_id: the id of the layer
        """
        if layer_id not in self._layer_id_to_layer:
            self._svg.setdefault("g", [])
            layer = {
                "g": [],
                "@inkscape:label": layer_id,
                "@id": layer_id,
                "@inkscape:groupmode": "layer",
                "@class": "row"
            }
            self._layer_id_to_layer[layer_id] = layer
            self._svg["g"].append(layer)
        return self._layer_id_to_layer[layer_id]
def _get_layer ( self , layer_id ) : if layer_id not in self . _layer_id_to_layer : self . _svg . setdefault ( "g" , [ ] ) layer = { "g" : [ ] , "@inkscape:label" : layer_id , "@id" : layer_id , "@inkscape:groupmode" : "layer" , "@class" : "row" } self . _layer_id_to_layer [ layer_id ] = layer self . _svg [ "g" ] . append ( layer ) return self . _layer_id_to_layer [ layer_id ]
:return: the layer with the :paramref:`layer_id`. If the layer
          does not exist, it is created.
        :param str layer_id: the id of the layer
: return : the layer with the : paramref : layer_id . If the layer does not exist it is created . : param str layer_id : the id of the layer