const char* getIp(void) {
return "192.168.1.1";
}

above should be

const char* getIp(const el::LogMessage *l) {
return "192.168.1.1";
}

It would be nice if someone can extend the readme file with proper conversion.

Unless I'm missing something, it seems the ACKQueue does not clean up after its self when you ACK the items. I discovered this function by looking over the unit tests. Is it expected that users call this function manually? It seems that clear_acked_data() should always be called after ackq.ack(item) if you don't want the sqlite DB to grow unbounded?

The comments of ghe cops show what kind of prectice is considered bad.

To improve it is alao relevant to understand what ia being considered the better practice.

Could you add examples or links to show how to do better in the comments?

Wherever I look, everyone says that Tk/Tkinter has no facilities to call/send events into the m