Add Action class to allow more flexible actions, update example

dashboard/system.py

@@ -9,17 +9,34 @@ import subprocess
 import time
 
 from enum import Enum
-from typing import Tuple
+from typing import Tuple, List
 
-import requests
+import requests, urllib3
+
+# don't need the warning, ssl verification needs to be disabled explicitly
+urllib3.disable_warnings(category=urllib3.connectionpool.InsecureRequestWarning)
 
 # base classes and types and stuff
 
+
+class Action:
+
+    def __init__(self, name: str, c: callable, *args, **kwargs):
+        self.name = name
+        self.c = c
+        self.args = args
+        self.kwargs = kwargs
+
+    def __call__(self):
+        self.c(*self.args, **self.kwargs)
+
+
 class SystemState(Enum):
     OK = 0
     FAILED = 1
     UNKNOWN = 2
 
+
 class System:
 
     def __init__(self, name: str, description: str):
@@ -29,10 +46,9 @@ class System:
         self.state_verbose = ""
         self.last_update = 0
 
-    def get_actions(self) -> dict:
+    def get_actions(self) -> List[Action]:
         # to be overridden
-        # return {'ActionName': callable, ...}
-        return {}
+        return []
 
     def _update_state(self):
         self.update_state()

dashboard/ui.py

@@ -4,7 +4,7 @@ import asyncio
 import datetime
 
 from typing import List
-from .system import System, SystemState
+from .system import Action, System, SystemState
 
 from nicegui import ui, html, run
 
@@ -42,8 +42,9 @@ def init_ui(
                             if t.description != "" or t.state_verbose != "":
                                 ui.separator().style("margin-top: auto;")
                             with ui.card_actions():
-                                for n, c in actions.items():
-                                    ui.button(text=n, on_click=c)
+                                for a in actions:
+                                    assert isinstance(a, Action)
+                                    ui.button(text=a.name, on_click=a)
                 elif isinstance(t, str):
                     ui.label(t).classes("text-2xl textmedium w-full text-center").style("margin-top: 1.5rem; margin-bottom: .5rem")
 

example.py

@@ -1,12 +1,13 @@
 # Copyright (c) 2025, Julian Müller (ChaoticByte)
 
 
+from typing import List
+
 from nicegui import ui
 
-from dashboard.system import HTTPServer, System, SystemState
+from dashboard.system import Action, HTTPServer, System, SystemState
 from dashboard.ui import init_ui
 
-
 # define systems
 
 
@@ -26,11 +27,13 @@ class ExampleSystem(System):
             self.state = SystemState.FAILED
             self.state_verbose = f"{self.name} is currently stopped."
 
-    def get_actions(self) -> dict:
+    def get_actions(self) -> List[Action]:
+        actions = []
         if self.started:
-            return {"Stop": self.stop}
+            actions.append(Action("Stop", self.stop))
         else:
-            return {"Start": self.start}
+            actions.append(Action("Start", self.start))
+        return actions
 
     def start(self):
         self.state = SystemState.UNKNOWN
@@ -56,4 +59,4 @@ systems = [
 #
 
 init_ui(systems)
-ui.run(show=False, title="Dashboard")
+ui.run(show=False, title="Dashboard", port=8000)