Temperature overide

General
1

Is it possible to have a feature in Octoprint to intercept and override the temperature commands?
The reason being that I have models sliced for PLA and I'm printing in PETG, and vice versa.
It's not a big deal to edit the G-Code before printing, but I thought it ought not be difficult to get it to do it automatically.

I suppose the proper answer is that if it is that easy then I should go write myself a plugin, but I don't know where to start, and I thought I should in any case first seek for unforeseen problems with the idea...

2

You are aware that the difference with printing PLA vs. PETg is not just only the temperature?
E.g. :PETg awaits way less part cooling than PLA.
Also retraction can be different.
And also maximum volumetric speed.

3

That may explain some of the problems I've been having, but for the most part, on most of the things I'm printing at the moment I don't think it matters much.

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