code: def get(self, path_tuple):
          
          if path_tuple in self.contentcache:
              metadata = self.contentcache[path_tuple]
          else:
              # TODO: make chef robust to missing metadata
              # LOGGER.error(
              LOGGER.warning('No metadata found for path_tuple ' + str(path_tuple))
              metadata = dict(
                  filepath=os.path.sep.join(path_tuple),
                  title=os.path.sep.join(path_tuple)
              )
          return metadata
docs: Returns metadata dict for path in `path_tuple`.