Hi All! for one of my Dagster use cases, I am executing R scripts via Dagster (using rpy2). Is it possible to view the R code in Dagit similar to how we can view it while executing a notebook op with Dagstermill?

Hi @Sanidhya Singh are you hoping to see the R code in a dagit page like the graph explorer for a job? right now there isn't a native way to show code previews in dagit before execution. But if you wanted to see the R code during the execution of the job then you could probably publish it as Metadata or log it or something like that

Hi @jamie, I was hoping for something like this (this is from a Dagstermill op)

I know we display the metadata section for full jobs, but i'm not sure if we display metadata when you click on a specific op. Let me check into that. In the meantime, to get metadata in the sidebar for a job you have to do

@job(
    metadata={
        "owner": "data team",
        "link": MetadataValue.url(url="<https://dagster.io>"),
    },
)
def with_metadata():
    my_op()

(you can also attach metadata in the

to_job

method of a graph) If we do allow specifying metadata like this on ops the main issue I see with this is that the metadata needs to exist when the op is "defined", so you may need to do something lik e

r_code = parse_r_script()
@op(
    metadata={
        "r_code": r_code,
    },
)
def my_op():
   # execution code

again, not sure if the metadata attached to ops gets shown in dagit, i'll confirm that for you