Deephaven server does not have the whole VS Code codebase

[chipkent]

1. create a module named mymod.py

print("IN MYMOD")

def myfunc(x):
    return x + 1

2. In a script try to run:

import mymod

You will get an error:

14:19:52.953 ERROR r-Scheduler-Serial-1 | .c.ConsoleServiceGrpcImpl | Error running script: java.lang.RuntimeException: Error in Python interpreter:
Type: <class 'ModuleNotFoundError'>
Value: No module named 'mymod'

[bmingles]

@chipkent does this work for you in code studio? I get the same error there.

[bmingles]

@chipkent I figured out why it didn't work for me in code studio. I needed to add:

import sys
sys.path.append("/data/storage/notebooks")

In the extension, this also holds true with the additional requirement that the folder you are using has to be known to the DH server. I have mine mapped via volumes config in the docker compose file I run my server from.

In my case I map /local/path/to/my/dh/data/:/data

https://deephaven.io/core/docs/reference/community-questions/import-python-script/

[bmingles]

#16 to address this for Docker configs

[bmingles]

This seems to behave as expected, so closing the bug. I have created a documentation task #23 to provide instructions on how to configure this.

[bmingles]

Re-opening based on discussion with @chipkent . I'd like to investigate more of what the typical local Python experience would be in vscode and see what options we have to make the DH experience closer to that. Note that I re-classified this as an enhancement. It seems this can work by setting sys.path, but it's not the greatest user experience we'd expect for a vscode based solution. I'll investigate and then write a more thorough ticket with more intentional design of how this should actually work.