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A command pattern that I’ve used in multiple projects is an event-loop sidecar. The sidecar runs on it’s own thread and does asynchronous IO; thereby increasing the responsiveness of the system which could be doing IO/CPU bound work. The application (running on the main thread) interfaces with the sidecar through a synchronous API. There are multiple caveats to this pattern. With python’s GIL, the sidecar should strictly be doing I/O to ensure that the pattern has the desired effects. If you hav...