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Ros logging #508

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joshua-glazer
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@joshua-glazer joshua-glazer commented Jan 10, 2022

Public API Changes

Implements Javascript logging functionality similar to ROS logging functions logwarn, logerr, etc.

Description

Created a JS file implementing functions which log to the console and publish to rosout based on the ROS logging level. Created an example file to demonstrate how the functions are used.

Resolves #352

@MatthijsBurgh
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The logging is all in an example. Would be best to make this part of the library IMO.

k-aguete pushed a commit to k-aguete/roslibjs that referenced this pull request Oct 21, 2022
Bumps [rollup](https://github.com/rollup/rollup) from 2.67.3 to 2.68.0.
- [Release notes](https://github.com/rollup/rollup/releases)
- [Changelog](https://github.com/rollup/rollup/blob/master/CHANGELOG.md)
- [Commits](rollup/rollup@v2.67.3...v2.68.0)

---
updated-dependencies:
- dependency-name: rollup
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
@MatthijsBurgh
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@sea-bass @EzraBrooks What do you think of this PR?

@sea-bass
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sea-bass commented Nov 16, 2023

@sea-bass @EzraBrooks What do you think of this PR?

I would probably prefer to have this be part of the protocol and have the Python backend do actual logging calls through rclpy.

I say this because publishing to /rosout is a limited subset of logging that notably does not make it into console or log file -- see, e.g., https://docs.ros.org/en/rolling/Concepts/Intermediate/About-Logging.html#overview

@EzraBrooks
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EzraBrooks commented Nov 16, 2023

Agreed. I think the "most correct" way to implement this with my knowledge of ROS logging would be to create a protocol-level API in rosbridge + roslib that allows creating namespaced child loggers in the Python backend and then forwarding log content to those from a roslibjs log call. There are some issues with that approach, as we've seen in moveit2, but we're working on fixing them in ROS itself.

@MatthijsBurgh
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I agree with the vision of @sea-bass @EzraBrooks therefore I am closing this PR.

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roslibjs logging functions missing?
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