ruff: replace asserts outside of tests with Exceptions

pkgs/clan-vm-manager/clan_vm_manager/components/vmobj.py

@@ -16,6 +16,7 @@ from clan_cli import vms
 from clan_cli.vms.inspect import inspect_vm
 from clan_cli.vms.qemu import QMPWrapper
 from clan_lib.dirs import vm_state_dir
+from clan_lib.errors import ClanError
 from clan_lib.machines.machines import Machine
 
 from clan_vm_manager.clan_uri import ClanURI
@@ -158,14 +159,18 @@ class VMObject(GObject.Object):
             name=self.data.flake.flake_attr,
             flake=uri.flake,
         )
-        assert self.machine is not None
+        if self.machine is None:
+            msg = "Machine object is not available"
+            raise ClanError(msg)
 
         state_dir = vm_state_dir(
             flake_url=self.machine.flake.identifier,
             vm_name=self.machine.name,
         )
         self.qmp_wrap = QMPWrapper(state_dir)
-        assert self.machine is not None
+        if self.machine is None:
+            msg = "Machine object is not available"
+            raise ClanError(msg)
         yield self.machine
         self.machine = None
 
@@ -332,7 +337,9 @@ class VMObject(GObject.Object):
 
             # Try to shutdown the VM gracefully using QMP
             try:
-                assert self.qmp_wrap is not None
+                if self.qmp_wrap is None:
+                    msg = "QMP wrapper is not available"
+                    raise ClanError(msg)
                 with self.qmp_wrap.qmp_ctx() as qmp:
                     qmp.command("system_powerdown")
             except Exception as ex:

pkgs/clan-vm-manager/clan_vm_manager/singletons/use_join.py

@@ -4,6 +4,7 @@ from collections.abc import Callable
 from typing import Any, ClassVar, cast
 
 import gi
+from clan_lib.errors import ClanError
 from clan_lib.machines.machines import Machine
 
 from clan_vm_manager.clan_uri import ClanURI
@@ -109,7 +110,9 @@ class JoinList:
     def _on_join_finished(self, source: JoinValue) -> None:
         log.info(f"Join finished: {source.url}")
         self.discard(source)
-        assert source.entry is not None
+        if source.entry is None:
+            msg = "Join entry is not available"
+            raise ClanError(msg)
         ClanStore.use().push_history_entry(source.entry)
 
     def discard(self, value: JoinValue) -> None:

pkgs/clan-vm-manager/clan_vm_manager/views/list.py

@@ -64,7 +64,9 @@ class ClanList(Gtk.Box):
         super().__init__(orientation=Gtk.Orientation.VERTICAL)
 
         app = Gio.Application.get_default()
-        assert app is not None
+        if app is None:
+            msg = "Application is not available"
+            raise ClanError(msg)
         app.connect("join_request", self.on_join_request)
 
         self.log_label: Gtk.Label = Gtk.Label()
@@ -306,7 +308,9 @@ class ClanList(Gtk.Box):
         # Can't do this here because clan store is empty at this point
         if vm is not None:
             sub = row.get_subtitle()
-            assert sub is not None
+            if sub is None:
+                msg = "Subtitle is not available"
+                raise ClanError(msg)
 
             ToastOverlay.use().add_toast_unique(
                 WarningToast(

pkgs/clan-vm-manager/clan_vm_manager/views/logs.py

@@ -1,6 +1,7 @@
 import logging
 
 import gi
+from clan_lib.errors import ClanError
 
 gi.require_version("Adw", "1")
 from gi.repository import Adw, Gio, Gtk
@@ -19,7 +20,9 @@ class Logs(Gtk.Box):
         super().__init__(orientation=Gtk.Orientation.VERTICAL)
 
         app = Gio.Application.get_default()
-        assert app is not None
+        if app is None:
+            msg = "Application is not available"
+            raise ClanError(msg)
 
         self.banner = Adw.Banner.new("")
         self.banner.set_use_markup(True)

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

@@ -2,6 +2,7 @@ import logging
 import threading
 
 import gi
+from clan_lib.errors import ClanError
 
 from clan_vm_manager.components.interfaces import ClanConfig
 from clan_vm_manager.history import list_history
@@ -37,7 +38,9 @@ class MainWindow(Adw.ApplicationWindow):
         view.add_top_bar(header)
 
         app = Gio.Application.get_default()
-        assert app is not None
+        if app is None:
+            msg = "Application is not available"
+            raise ClanError(msg)
         self.tray_icon: TrayIcon = TrayIcon(app)
 
         # Initialize all ClanStore