Python library for reading logs?

Is there a python library for reading flight data logs? The reason I want this is create custom plots, e.g. multiply voltage and amps to get power and plot it, or calculate throttle differences between motor channels.

Have you seen this:
https://ardupilot.org/dev/docs/using-mavexplorer-for-log-analysis.html

Maybe that’s what you’re after.
Towards the end is a description how you can create your own customised graphs.

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