Bundle logo asset and load via importlib resources

app/gui/ui.py

@@ -358,9 +358,10 @@ class UIBuilderMixin:
         logo = None
         try:
             from PIL import Image, ImageTk  # type: ignore
+            from importlib import resources
 
-            logo_path = Path(__file__).resolve().parent / "assets" / "logo.png"
-            if logo_path.exists():
+            logo_resource = resources.files("app.assets").joinpath("logo.png")
+            with resources.as_file(logo_resource) as logo_path:
                 image = Image.open(logo_path).convert("RGBA")
                 image.thumbnail((26, 26))
                 logo = ImageTk.PhotoImage(image)

pyproject.toml

@@ -18,3 +18,6 @@ package = true
 
 [tool.setuptools.packages.find]
 include = ["app"]
+
+[tool.setuptools.package-data]
+"app" = ["assets/logo.png"]