Connect microKey to Fluid Synth (with ALSA aconnect)

microKey2FluidSynth.py

# run as: python microKey2FluidSynth.py
import os
import re

alsaOutputs = os.popen("aconnect -o").readlines()

def getKeyboardClientID():
    return getClientID("microKEY") # could be any other
def getFluidSynthClientID():
    return getClientID("FLUID Synth")

def getClientID(condition):
    conditions = ["client", condition]
    for line in alsaOutputs:         
        if all(condition in line for condition in conditions):
            clientStr = line.split(":")[0]
            clientID = re.search('\d+', clientStr).group(0)
            return clientID
    return -1

keyboardID = getKeyboardClientID()
fluidSynthID = getFluidSynthClientID()

command = "aconnect {}:0 {}:0".format(keyboardID, fluidSynthID)
print(os.popen(command).read())