Method fail

psycopg_pool/psycopg_pool/pool.py:907–919

Signal the client that, alas, they won't have a connection today. Return True if the client has "accepted" the error, False otherwise (typically because wait() has timed out).

(self, error: Exception)

            return True

    def fail(self, error: Exception) -> bool:
        """Signal the client that, alas, they won't have a connection today.

        Return True if the client has "accepted" the error, False otherwise
        (typically because wait() has timed out).
        """
        with self._cond:
            if self.conn or self.error:
                return False

            self.error = error
            self._cond.notify_all()
            return True


class MaintenanceTask(ABC):