Enable pynput keylistener to work as service

install_as_service.sh

@@ -1,6 +1,15 @@
 #!/bin/bash
-args="$*"
 chmod +x run.sh
+# If first arg is of form :n it will set DISPLAY to :n. Default is :0
+dsp_prefix=:
+dsp=:0
+# if [[ -n "${1+x}" ]]; then
+    if [[ $1 == $dsp_prefix* ]]; then
+        dsp="$1"
+        shift
+    fi
+# fi
+args="$*"
 rm -f fwledmonitor.service || true
 sed -i "s#led_system_monitor.py.*\$#led_system_monitor.py ${args}#" run.sh
 cat <<EOF >>./fwledmonitor.service
@@ -9,6 +18,7 @@ Description=Framework 16 LED System Monitor
 After=network.service
 
 [Service]
+Environment=DISPLAY=${dsp}
 Type=simple
 Restart=always
 WorkingDirectory=$PWD

led_system_monitor.py

@@ -16,7 +16,6 @@ from monitors import CPUMonitor, MemoryMonitor, BatteryMonitor, DiskMonitor, Net
 # External Dependencies
 import numpy as np
 from pynput.keyboard import Key, Listener
-import evdev
 from serial.tools import list_ports
 
 
@@ -35,9 +34,7 @@ def discover_led_devices():
         return sorted(locations, key = lambda x: re.sub('^\d+\-\d+\.', '', x[0]))
     except Exception as e:
         print(f"An Exception occured while tring to locate LED Matrix devices. {e}")
-        
-device = evdev.InputDevice('/dev/input/event7')
-        
+                
 def main(args):    
     led_devices = discover_led_devices()
     if not len(led_devices):

run.sh

@@ -1,3 +1,3 @@
 sudo apt install -y python3-numpy python3-psutil python3-serial python3-evdev
-
-python3 ./led_system_monitor.py 
+xhost +local:root
+python3 ./led_system_monitor.py

snapshot_files/right/check.json

@@ -0,0 +1 @@
+[[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1],[0,1,0,1,0,1,0,1,0],[1,0,1,0,1,0,1,0,1]]

snapshot_files/right/every-third-row.json

@@ -1 +0,0 @@
-[[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1],[0,0,0,0,0,0,0,0,0],[0,0,0,0,0,0,0,0,0],[1,1,1,1,1,1,1,1,1]]