[WINDOW_MANAGER] Adds display server protocol to entry

CHANGELOG.md

@@ -8,9 +8,11 @@ and this project (partially) adheres to [Semantic Versioning](https://semver.org
 ## [Unreleased]
 ### Added
 - Official EndeavourOS distribution support
+- Display server protocol to `WindowManager`
 
 ### Changed
 - Allow `df` output to contain Unicode characters
+- `WindowManager` API value format: now an object with `name` and `display_server_protocol` attributes
 
 ## [v4.14.2.0] - 2023-08-26
 ### Added

archey/entries/window_manager.py

@@ -1,5 +1,6 @@
 """Windows manager detection class"""
 
+import os
 import platform
 import re
 from subprocess import DEVNULL, CalledProcessError, check_output
@@ -47,6 +48,11 @@
     "yabai": "Yabai",
 }
 
+DSP_DICT = {
+    "x11": "X11",
+    "wayland": "Wayland",
+}
+
 
 class WindowManager(Entry):
     """
@@ -59,17 +65,37 @@ class WindowManager(Entry):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
 
+        name = None
         try:
-            self.value = re.search(  # type: ignore
+            name = re.search(  # type: ignore
                 r"(?<=Name: ).*",
                 check_output(["wmctrl", "-m"], stderr=DEVNULL, universal_newlines=True),
             ).group(0)
         except (FileNotFoundError, CalledProcessError):
             processes = Processes().list
             for wm_id, wm_name in WM_DICT.items():
                 if wm_id in processes:
-                    self.value = wm_name
+                    name = wm_name
                     break
             else:
                 if platform.system() == "Darwin":
-                    self.value = "Quartz Compositor"
+                    name = "Quartz Compositor"
+
+        display_server_protocol = DSP_DICT.get(os.getenv("XDG_SESSION_TYPE", ""))
+
+        self.value = {
+            "name": name,
+            "display_server_protocol": display_server_protocol,
+        }
+
+    def output(self, output) -> None:
+        # No WM could be detected.
+        if self.value["name"] is None:
+            output.append(self.name, self._default_strings.get("not_detected"))
+            return
+
+        text_output = self.value["name"]
+        if self.value["display_server_protocol"] is not None:
+            text_output += f" ({self.value['display_server_protocol']})"
+
+        output.append(self.name, text_output)

archey/test/entries/test_archey_window_manager.py

@@ -30,7 +30,7 @@ class TestWindowManagerEntry(unittest.TestCase):
     )
     def test_wmctrl(self, _, __):
         """Test `wmctrl` output parsing"""
-        self.assertEqual(WindowManager().value, "WINDOW MANAGER")
+        self.assertEqual(WindowManager().value["name"], "WINDOW MANAGER")
 
     @patch(
         "archey.entries.window_manager.check_output",
@@ -46,9 +46,15 @@ def test_wmctrl(self, _, __):
             "here",
         ),
     )
-    def test_no_wmctrl_match(self, _, __):
+    @patch(
+        "archey.entries.desktop_environment.os.getenv",
+        return_value="wayland",
+    )
+    def test_no_wmctrl_match(self, _, __, ___):
         """Test basic detection based on a (fake) processes list"""
-        self.assertEqual(WindowManager().value, "Awesome")
+        window_manager = WindowManager()
+        self.assertEqual(window_manager.value["name"], "Awesome")
+        self.assertEqual(window_manager.value["display_server_protocol"], "Wayland")
 
     @patch(
         "archey.entries.window_manager.check_output",
@@ -72,7 +78,7 @@ def test_no_wmctrl_mismatch(self, _, __):
         output_mock = MagicMock()
         window_manager.output(output_mock)
 
-        self.assertIsNone(window_manager.value)
+        self.assertIsNone(window_manager.value["name"])
         self.assertEqual(
             output_mock.append.call_args[0][1], DEFAULT_CONFIG["default_strings"]["not_detected"]
         )