QoL: Projects default bool conversion (nonempty)

src/kiwi/projects.py

@@ -16,6 +16,9 @@ class Projects:
             in self.__projects
         ])
 
+    def __bool__(self):
+        return bool(self.__projects)
+
     @classmethod
     def from_names(cls, project_names):
         result = cls()
@@ -52,9 +55,6 @@ class Projects:
 
         return cls()
 
-    def empty(self):
-        return not self.__projects
-
     def filter_exists(self):
         result = Projects()
         result.__projects = [

src/kiwi/subcommand.py

@@ -70,7 +70,7 @@ class ProjectCommand(SubCommand):
     def run(self, runner, args):
         projects = Projects.from_args(args)
 
-        if not projects.empty():
+        if projects:
             # project(s) given
             logging.info(f"{self._action} projects {projects}")
             return self._run_projects(runner, args, projects)

src/kiwi/subcommands/inspect.py

@@ -40,12 +40,12 @@ class InspectCommand(ServiceCommand):
         projects = Projects.from_dir()
 
         enabled_projects = projects.filter_enabled()
-        if not enabled_projects.empty():
+        if enabled_projects:
             print(f"Enabled projects:")
             _print_list(enabled_projects)
 
         disabled_projects = projects.filter_disabled()
-        if not disabled_projects.empty():
+        if disabled_projects:
             print(f"Disabled projects:")
             _print_list(disabled_projects)