[Draft] [flytekit] Polish - Cache

[wild-endeavor]

Caching

This is a series of tickets to improve the flytekit authoring experience. If any changes are not possible to make in a backwards-compatible way, split it out into a separate ticket.

Merge options into a dataclass and rename argument

Currently there are three configurations for cache control: cache_serialize, cache_version, cache_ignore_input_vars. We should rename these to serialize (bool) , version (remains a str), and ignore (update type to list[str]|str|None=None).

This object should then be the input to the cache argument in the task decorator, which should be of type bool | Cache, and is False by default.

Are you sure this issue hasn't been raised already?

• Yes

Have you read the Code of Conduct?

• Yes

[thomasjpfan]

Before moving forward with this, I think we need to consider how this interacts with flyteorg/flytekit#2971

[granthamtaylor]

Before moving forward with this, I think we need to consider how this interacts with flyteorg/flytekit#2971

Yes! I think, ideally, the Cache object should include all of the configurations of the auto-caching and the general behavior around caching (serialize, version, ignore).

Perhaps, instead of combining these two objects into one, we could simply add a policy argument to Cache, which could include the more granular auto-caching configurations.