screeninfo optional on macos

katrain/__main__.py

@@ -19,8 +19,8 @@ try:
         scale = min(scale, (m.height-100) / WINDOW_Y, (m.width-100) / WINDOW_X)
     WINDOW_SCALE_FAC = max(0.4,scale)
 except Exception as e:
-    print("Exception while getting screen resolution", e)
-    WINDOW_SCALE_FAC = 1
+    print(f"Exception {e} while getting screen resolution (if on MacOS, 'pip3 install screeninfo' manually or ignore this)")
+    WINDOW_SCALE_FAC = 0.85 
 
 Config.set("graphics", "width", int(WINDOW_SCALE_FAC*WINDOW_X))
 Config.set("graphics", "height", int(WINDOW_SCALE_FAC*WINDOW_Y))

setup.py

@@ -48,7 +48,7 @@ setup(
         "kivy_deps.gstreamer;platform_system=='Windows'",
         "kivy>=2.0.0rc2",
         "kivymd>=0.104.1",
-        "screeninfo",  # for screen resolution
+        "screeninfo;platform_system!='Darwin'",  # for screen resolution, has problems on macos
     ],
     python_requires=">=3.6, <4",
     entry_points={"console_scripts": ["katrain=katrain.__main__:run_app"]},