Flatten styling/theme_manager to theme_manager

The static token files now live under resources/, so the extra
styling/ package layer no longer serves a purpose. Test folders
and imports are updated to match the new location.

Author: kaamyashinde

src/ert/gui/styling/__init__.py

@@ -0,0 +1,9 @@
+from __future__ import annotations
+
+from ert.gui.theme_manager.manager import ColorSchemeManager
+from ert.gui.theme_manager.theme import ColorScheme
+
+__all__ = [
+    "ColorScheme",
+    "ColorSchemeManager",
+]

src/ert/gui/theme_manager/__init__.py

@@ -94,7 +94,8 @@ def apply_stylesheet_from_qss(self) -> None:
             stylesheet = load_qss(self._current_color_scheme)
         except (OSError, UnicodeDecodeError):
             logger.exception(
-                "Failed to load QSS for colour scheme '%s'; keeping previous styling.",
+                "Failed to load QSS for colour scheme'%s';"
+                " keeping the previously applied stylesheet.",
                 self._current_color_scheme.value,
             )
             return

…ert/gui/styling/theme_manager/manager.py src/ert/gui/theme_manager/manager.pysrc/ert/gui/styling/theme_manager/manager.py renamed to src/ert/gui/theme_manager/manager.py src/ert/gui/styling/theme_manager/manager.py renamed to src/ert/gui/theme_manager/manager.py

@@ -2,9 +2,9 @@
 
 import pytest
 
-from ert.gui.styling import ColorScheme
-from ert.gui.styling.theme_manager import theme as theme_module
-from ert.gui.styling.theme_manager.theme import load_qss
+from ert.gui.theme_manager import ColorScheme
+from ert.gui.theme_manager import theme as theme_module
+from ert.gui.theme_manager.theme import load_qss
 
 
 class _MissingResource:

…c/ert/gui/styling/theme_manager/theme.py src/ert/gui/theme_manager/theme.pysrc/ert/gui/styling/theme_manager/theme.py renamed to src/ert/gui/theme_manager/theme.py src/ert/gui/styling/theme_manager/theme.py renamed to src/ert/gui/theme_manager/theme.py

@@ -4,9 +4,9 @@
 from PyQt6.QtCore import Qt
 from PyQt6.QtGui import QColor, QGuiApplication, QPalette
 
-from ert.gui.styling import ColorScheme
-from ert.gui.styling.theme_manager import manager as manager_module
-from ert.gui.styling.theme_manager.manager import (
+from ert.gui.theme_manager import ColorScheme
+from ert.gui.theme_manager import manager as manager_module
+from ert.gui.theme_manager.manager import (
     _DARK_BASE_VALUE_THRESHOLD,
     detect_system_color_scheme,
 )

tests/ert/unit_tests/gui/styling/__init__.py

@@ -7,9 +7,9 @@
 from PyQt6.QtGui import QGuiApplication
 from PyQt6.QtWidgets import QApplication
 
-from ert.gui.styling import ColorScheme, ColorSchemeManager
-from ert.gui.styling.theme_manager import manager as manager_module
-from ert.gui.styling.theme_manager.theme import load_qss
+from ert.gui.theme_manager import ColorScheme, ColorSchemeManager
+from ert.gui.theme_manager import manager as manager_module
+from ert.gui.theme_manager.theme import load_qss
 
 
 @pytest.fixture(autouse=True)