simonsobs/sotodlib

More specific "type" checking for `ctx.get_meta` and `ctx.get_obs`

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#1,290 opened on Jul 14, 2025

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Description

Based on helping debug long context metadata loading error messages, could we have ctx.get_obs and ctx.get_meta` look at the input observation ID and see if it's actually a well formatted obs-id and not some other random string?

Contributor guide

Research direction
Examine the current implementations of `ctx.get meta` and `ctx.get obs` in the sotodlib codebase to understand the expected format of observation IDs. Then implement a validation check that raises a clear error when an invalid ID is passed.
Tech stack
python
Domain
backenddata
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Pythonsimonsobs/sotodlib
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60