Method extend

redis/lock.py:287–304

Adds more time to an already acquired lock. ``additional_time`` can be specified as an integer or a float, both representing the number of seconds to add. ``replace_ttl`` if False (the default), add `additional_time` to the lock's existing ttl. If True, rep

(
        self, additional_time: Number, replace_ttl: bool = False
    )

            )

    def extend(
        self, additional_time: Number, replace_ttl: bool = False
    ) -> Literal[True]:
        """
        Adds more time to an already acquired lock.

        ``additional_time`` can be specified as an integer or a float, both
        representing the number of seconds to add.

        ``replace_ttl`` if False (the default), add `additional_time` to
        the lock's existing ttl. If True, replace the lock's ttl with
        `additional_time`.
        """
        if self.local.token is None:
            raise LockError("Cannot extend an unlocked lock", lock_name=self.name)
        if self.timeout is None:
            raise LockError("Cannot extend a lock with no timeout", lock_name=self.name)
        return self.do_extend(additional_time, replace_ttl)

    def do_extend(self, additional_time: Number, replace_ttl: bool) -> Literal[True]:
        additional_time = int(additional_time * 1000)