WIP - Lazy Evaluation

[pingsutw]

Tracking issue

NA

Why are the changes needed?

What changes were proposed in this pull request?

How was this patch tested?

from flytekit import task, workflow


@task(container_image="cr.flyte.org/flyteorg/flytekit:py3.10-1.13.0", retries=5, enable_deck=True)
def say_hello() -> str:
    return "Hello, World!"


@workflow
def wf():
    t1 = say_hello()
    t2 = say_hello().with_overrides(cache=True)
    print("t1: ", t1)  # start running t1 here
    print("t2: ", t2)  # start running t2 here

Setup process

Screenshots

Check all the applicable boxes

• I updated the documentation accordingly.
• All new and existing tests passed.
• All commits are signed-off.

Related PRs

Docs link

[pingsutw]

use node metadata here

[eapolinario]

Need to handle the case of the "dangling" node, i.e. how to force the evaluation of nodes that are not an upstream dependency of the graph.