better faulty encoding detection

copienator_gui/syncthing.py

@@ -4,12 +4,13 @@ import subprocess
 import threading
 from tkinter import ttk, messagebox
 
-SERVICE = "syncthing@sebastien.service"
+SERVICE = "syncthing.service"
+SYSTEMCTL = ("systemctl", "--user", "--no-ask-password")
 
 
 def service_status():
     result = subprocess.run(
-        ["systemctl", "show", SERVICE, "--property=ActiveState", "--value"],
+        [*SYSTEMCTL, "show", SERVICE, "--property=ActiveState", "--value"],
         capture_output=True, text=True, timeout=10,
     )
     if result.returncode:
@@ -22,7 +23,7 @@ def control_service(action):
         return "active"
     command = "start" if action == "ensure" else action
     result = subprocess.run(
-        ["systemctl", "--no-ask-password", command, SERVICE],
+        [*SYSTEMCTL, command, SERVICE],
         capture_output=True, text=True, timeout=60,
     )
     if result.returncode:
@@ -87,13 +88,18 @@ class SyncthingPanel(ttk.Frame):
             self.start_button.configure(state="normal")
             self.stop_button.configure(state="normal")
             self.status.configure(text=f"{SERVICE} : {error or status}")
-            if error and action != "status":
-                self.pending_export = None
-                messagebox.showerror("Syncthing", error)
-            elif action == "ensure":
+            if action == "ensure":
                 callback, self.pending_export = self.pending_export, None
+                if error:
+                    messagebox.showwarning(
+                        "Syncthing",
+                        f"Impossible de démarrer Syncthing : {error}\n\n"
+                        "L’export va continuer.",
+                    )
                 if callback:
                     callback()
+            elif error and action != "status":
+                messagebox.showerror("Syncthing", error)
             elif self.pending_export:
                 self.request("ensure")
         if self.winfo_exists():