Unison system tray icon wrapper [slop]

pytray.py

#!/usr/bin/env python3
import os
import sys
import threading
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, GLib
gi.require_version('AyatanaAppIndicator3', '0.1')
from gi.repository import AyatanaAppIndicator3 as AppIndicator

APP_ID = "pytray"

# Include PID in FIFO name for uniqueness
PID = os.getpid()
FIFO_PATH = f"/tmp/{APP_ID}-{PID}.fifo"

if not os.path.exists(FIFO_PATH):
    os.mkfifo(FIFO_PATH)

icons = {
    "idle": "folder",
    "syncing": "folder-sync",
    "scanning": "view-refresh",
    "error": "dialog-error",
}

indicator = AppIndicator.Indicator.new(
    "unison-tray",
    icons["idle"],
    AppIndicator.IndicatorCategory.APPLICATION_STATUS
)
indicator.set_status(AppIndicator.IndicatorStatus.ACTIVE)

menu = Gtk.Menu()
quit_item = Gtk.MenuItem(label="Quit")
quit_item.connect("activate", lambda _: Gtk.main_quit())
menu.append(quit_item)
menu.show_all()
indicator.set_menu(menu)

def update(status, message):
    icon = icons.get(status, icons["idle"])
    indicator.set_icon(icon)
    indicator.set_title(message)

# Persistent FIFO reader
def fifo_reader():
    # Open FIFO for reading and writing to avoid EOF immediately
    fifo_fd = os.open(FIFO_PATH, os.O_RDWR)
    fifo_file = os.fdopen(fifo_fd)

    while True:
        line = fifo_file.readline()
        if not line:
            continue
        line = line.strip()
        if not line:
            continue
        parts = line.split(" ", 1)
        status = parts[0]
        message = parts[1] if len(parts) > 1 else status
        GLib.idle_add(update, status, message)

threading.Thread(target=fifo_reader, daemon=True).start()
print(f"Tray running with FIFO: {FIFO_PATH}")
Gtk.main()

re-unison.sh

#!/usr/bin/env bash

trap cleanup SIGINT

pytray &
PTPID=$!

PTIN="/tmp/pytray-${PTPID}.fifo"

cleanup() {
	kill $PTPID
	rm $PTIN
	exit
}

sleep 1s
while true; do
  unison $1 -repeat watch -prefer newer -retry 100 2>&1 |
    while IFS= read -r line; do
      echo "$line"

      case "$line" in
        *"Looking for changes"*)
					echo "scanning" >$PTIN
          ;;

        *"Copying"*)
					;&
        *"Updating"*)
					;&
        *"Deleting"*)
					;&
        *"Reconciling changes"*)
					;&
        *"Propagating updates"*)
					echo "syncing" >$PTIN
          ;;

        *"failed"*|*"error"*)
					echo "error" >$PTIN
          ;;

        *"Nothing to do"*)
					echo "idle" >$PTIN
          ;;
      esac
    done
done