def insert(self, doc, synced=False):
        doc.id = self.get_next_id()
        doc.synced = synced
        try:
            self.db.docs.insert(doc)
        except Exception as e:
            raise DatabaseException(e)
        return doc
def archbin(self):
        """Relative location of architecture-specific executables"""
        return join_path('platforms', self.foam_arch, 'bin')