Added state_cmd for checking state, state_expect for expected output (using exit code if none specified)

main.py

@@ -1,14 +1,28 @@
 
 from flask import Flask, render_template, request
 from os import system
+import subprocess
 
 app = Flask(__name__)
 
 def check_app_states(apps):
   for app in apps:
-    if 'check_cmd' in app:
-      exitcode = system(app['check_cmd'])
-      app['default'] = app['default'] if exitcode == 0 else False
+    if not 'default' in app:
+      app['default'] = False
+    if 'state_cmd' in app and len(app['state_cmd']) > 0:
+      if 'state_expect' in app:
+        try:
+          result = subprocess.run(app['state_cmd'], shell=True, check=True)
+          print(result)
+          if result.stdout == app['state_expect']:
+            app['default'] = not app['default'] if result.stdout == app['state_expect'] else app['default']
+        except subprocess.CalledProcessError:
+          continue # continue with default, current state could not be determined
+      else:
+        exitcode = system(app['state_cmd'])
+        if exitcode == 0:
+          app['default'] = not app['default'] if exitcode == 0 else app['default']
+  return apps
 
 @app.route("/")
 def index():
@@ -46,19 +60,19 @@ def index():
       },
       {
         'name': 'toggle',
-        'text_on': '🔊',
-        'text_off': '🔇',
+        'text_on': 'file exist',
+        'text_off': 'file gone',
         'default': False,
         'cmd_on': 'touch ~/testfile.tmp',
         'cmd_off': 'rm ~/testfile.tmp',
-        'check_cmd': '~/check_if_file_exists.sh',
+        'state_cmd': 'test -f ~/testfile.tmp',
         'cooldown': 1000,
         'show_cooldown': False
       }
     ]
   }
 
-  check_app_states(templateData)
+  templateData['apps'] = check_app_states(templateData['apps'])
 
   return render_template('index.html', **templateData)
 

static/widgets.js

@@ -20,8 +20,10 @@ function addApplet(config)
 
         let a = $("<a>");
         let obj = fn(a, cfg);
+        
         a.addClass("block");
         a.append(obj);
+
         $("#blocks").append(a);
 
         if('cmd' in cfg)