Returns doc_dir and doc_filepath for doc_id.

def path_for_doc(self, doc_id):
        """Returns doc_dir and doc_filepath for doc_id.
        """
        full_path = self.path_for_doc_fn(self.repo, doc_id)
        # _LOG.debug('>>>>>>>>>> GitActionBase.path_for_doc_fn: {}'.format(self.path_for_doc_fn))
        # _LOG.debug('>>>>>>>>>> GitActionBase.path_for_doc returning: [{}]'.format(full_path))
        return full_path