Lift functions out of class

Neither of these used self.

dist/linux/ghostty_nautilus.py

@@ -20,37 +20,39 @@
 from gi.repository import Nautilus, GObject, Gio
 
 
-class OpenInGhosttyAction(GObject.GObject, Nautilus.MenuProvider):
-    def _menu_item_activated(self, _menu, paths):
-        for path in paths:
-            cmd = ['ghostty', f'--working-directory={path}', '--gtk-single-instance=false']
-            Gio.Subprocess.new(cmd, Gio.SubprocessFlags.NONE)
+def open_in_ghostty_activated(_menu, paths):
+    for path in paths:
+        cmd = ['ghostty', f'--working-directory={path}', '--gtk-single-instance=false']
+        Gio.Subprocess.new(cmd, Gio.SubprocessFlags.NONE)
 
+
+def get_paths_to_open(files):
+    paths = []
+    for file in files:
+        location = file.get_location() if file.is_directory() else file.get_parent_location()
+        path = location.get_path()
+        if path and path not in paths:
+            paths.append(path)
+    if 10 < len(paths):
+        # Let's not open anything if the user selected a lot of directories,
+        # to avoid accidentally spamming their desktop with dozends of
+        # new windows or tabs.  Ten is a totally arbitrary limit :)
+        return []
+    else:
+        return paths
+
+
+class OpenInGhosttyAction(GObject.GObject, Nautilus.MenuProvider):
     def _make_item(self, name, paths):
         item = Nautilus.MenuItem(name=name, label='Open in Ghostty',
             icon='com.mitchellh.ghostty')
-        item.connect('activate', self._menu_item_activated, paths)
+        item.connect('activate', open_in_ghostty_activated, paths)
         return item
 
-    def _paths_to_open(self, files):
-        paths = []
-        for file in files:
-            location = file.get_location() if file.is_directory() else file.get_parent_location()
-            path = location.get_path()
-            if path and path not in paths:
-                paths.append(path)
-        if 10 < len(paths):
-            # Let's not open anything if the user selected a lot of directories,
-            # to avoid accidentally spamming their desktop with dozends of
-            # new windows or tabs.  Ten is a totally arbitrary limit :)
-            return []
-        else:
-            return paths
-
     def get_file_items(self, *args):
         # Nautilus 3.0 API passes args (window, files), 4.0 API just passes files
         files = args[0] if len(args) == 1 else args[1]
-        paths = self._paths_to_open(files)
+        paths = get_paths_to_open(files)
         if paths:
             return [self._make_item(name='GhosttyNautilus::open_in_ghostty', paths=paths)]
         else:
@@ -59,7 +61,7 @@ class OpenInGhosttyAction(GObject.GObject, Nautilus.MenuProvider):
     def get_background_items(self, *args):
         # Nautilus 3.0 API passes args (window, file), 4.0 API just passes file
         file = args[0] if len(args) == 1 else args[1]
-        paths = self._paths_to_open([file])
+        paths = get_paths_to_open([file])
         if paths:
             return [self._make_item(name='GhosttyNautilus::open_folder_in_ghostty', paths=paths)]
         else: