<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get(self, path_tuple):
 """ Returns metadata dict for path in `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