def fetch(self):
self.retrieveVals()<EOL>for parent_name in self._graphNames:<EOL><INDENT>graph = self._graphDict[parent_name]<EOL>if self.isMultigraph:<EOL><INDENT>print("<STR_LIT>" % self._getMultigraphID(parent_name))<EOL><DEDENT>print(self._formatVals(graph.getVals()))<EOL>print()<EOL><DEDENT>if (self.isMultigraph and self._nestedGraphs <EOL>and self._subgraphDict and self._subgraphNames):<EOL><INDENT>for (parent_name, subgraph_names) in self._subgraphNames.items():<EOL><INDENT>for graph_name in subgraph_names:<EOL><INDENT>graph = self._subgraphDict[parent_name][graph_name]<EOL>print("<STR_LIT>" % self.getMultigraphID(parent_name, <EOL>graph_name))<EOL>print(self._formatVals(graph.getVals()))<EOL>print()<EOL><DEDENT><DEDENT><DEDENT>return True<EOL>
Implements Munin Plugin Fetch Option.

        Prints out measured values.