I would like to set

io_manager_key

and

metadata

after creating an asset from graph. Example:

my_asset = AssetsDefinition.from_graph(my_graph)

How do I set

io_manager_key

and

metadata

on

my_asset

?

You can pass

metadata_by_output_name

to the

from_graph

method (https://docs.dagster.io/_apidocs/assets#dagster.AssetsDefinition.from_graph) but as far as I know there isn’t a way to set the IO manager. My workaround is to set it on the

op

that leads to the result, e.g.

@op(out=Out(my_cool_type, io_manager_key="my_cool_io_manager"),)
def my_cool_op(data):
    return do_something_cool(data)

@graph
def my_cool_graph():
    data = ...
    return my_cool_op(data)