vm-manager: More error handling

pkgs/clan-cli/clan_cli/history/add.py

@@ -10,7 +10,7 @@ from clan_cli.flakes.inspect import FlakeConfig, inspect_flake
 from ..clan_uri import ClanURI
 from ..dirs import user_history_file
 from ..locked_open import read_history_file, write_history_file
-
+from ..errors import ClanError
 
 class EnhancedJSONEncoder(json.JSONEncoder):
     def default(self, o: Any) -> Any:
@@ -56,8 +56,7 @@ def list_history() -> list[HistoryEntry]:
             parsed[i] = merge_dicts(p, p["settings"])
         logs = [HistoryEntry(**p) for p in parsed]
     except (json.JSONDecodeError, TypeError) as ex:
-        print("Failed to load history. Invalid JSON.")
-        print(f"{user_history_file()}: {ex}")
+        raise ClanError(f"History file at {user_history_file()} is corrupted") from ex
 
     return logs
 

pkgs/clan-vm-manager/clan_vm_manager/models.py

@@ -4,7 +4,9 @@ from pathlib import Path
 from typing import Any
 
 import gi
-from clan_cli import history
+from clan_cli.history.list import list_history
+
+from .errors.show_error import show_error_dialog
 
 gi.require_version("GdkPixbuf", "2.0")
 
@@ -64,8 +66,9 @@ def get_initial_vms(
 ) -> list[VM]:
     vm_list = []
 
+    try:
         # Execute `clan flakes add <path>` to democlan for this to work
-    for entry in history.list.list_history():
+        for entry in list_history():
             icon = assets.loc / "placeholder.jpeg"
             if entry.flake.icon is not None:
                 icon = entry.flake.icon
@@ -82,6 +85,8 @@ def get_initial_vms(
                 _flake_attr=entry.flake.flake_attr,
             )
             vm_list.append(VM(base=base))
+    except Exception as e:
+        show_error_dialog(e)
 
     # start/end slices can be used for pagination
     return vm_list[start:end]

pkgs/clan-vm-manager/clan_vm_manager/windows/overview.py

@@ -33,6 +33,7 @@ class OverviewWindow(Gtk.ApplicationWindow):
             set_selected=self.set_selected,
             selected_vm=None,
         )
+
         # Add named stacks
         self.stack.add_titled(clan_list, "list", "List")
         self.stack.add_titled(