NixOS Pipewire headphone jack fix

headphone.py

#!/usr/bin/env python
import os
import sys
from subprocess import Popen, PIPE, STDOUT
import time

HEADPHONE_EVENT = "jack/headphone"

p = Popen(["/run/current-system/sw/sbin/acpi_listen"],
          stdout=PIPE, stderr=STDOUT, bufsize=1)

with p.stdout:
    for line in iter(p.stdout.readline, b''):
        event = line.decode("utf-8").split(' ')
        if event[0] == HEADPHONE_EVENT:
            action = event[2].strip()

            time.sleep(0.5)

            if (action == "plug"):
                # must have `pulseaudio` pkg installed
                os.system("pactl set-sink-port 0 \"analog-output-headphones\"")
                sys.stdout.write("Headphones plugged in\n")
            elif (action == "unplug"):
                os.system("pactl set-sink-port 0 \"analog-output-speaker\"")
                sys.stdout.write("Headphones plugged out\n")

            sys.stdout.flush()

p.wait()