244 lines
8.6 KiB
Python
Executable File
244 lines
8.6 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Apply Themes Script - Applies GTK/Kvantum/Helix themes after pywal runs.
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This script:
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1. Links GTK CSS files from pywal cache
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2. Sets GTK color scheme preference based on light/dark mode
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3. Copies and applies Kvantum theme
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4. Copies Helix theme to config directory
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5. Optionally runs color_mapper.py for semantic color mapping
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"""
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import json
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import shutil
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import subprocess
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import sys
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from pathlib import Path
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import logging
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# Setup logging
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logging.basicConfig(
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level=logging.INFO,
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format='%(levelname)s: %(message)s'
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)
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logger = logging.getLogger(__name__)
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class ThemeApplicator:
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"""Applies themes after pywal has generated color palette."""
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def __init__(self):
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self.home = Path.home()
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self.cache_dir = self.home / ".cache/wal"
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self.config_dir = self.home / ".config"
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def is_light_mode(self) -> bool:
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"""
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Determine if current theme is light mode by checking pywal cache.
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Returns:
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True if light mode, False if dark mode
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"""
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colors_json = self.cache_dir / "colors.json"
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if not colors_json.exists():
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logger.warning("colors.json not found, assuming dark mode")
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return False
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try:
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with open(colors_json) as f:
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data = json.load(f)
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return data.get("special", {}).get("light", False)
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except (json.JSONDecodeError, KeyError) as e:
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logger.warning(f"Failed to parse colors.json: {e}, assuming dark mode")
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return False
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def setup_gtk_themes(self) -> None:
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"""Link GTK CSS files from pywal cache."""
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gtk3_dir = self.config_dir / "gtk-3.0"
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gtk4_dir = self.config_dir / "gtk-4.0"
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# Ensure directories exist
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gtk3_dir.mkdir(parents=True, exist_ok=True)
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gtk4_dir.mkdir(parents=True, exist_ok=True)
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# Link GTK 3.0 CSS
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gtk3_source = self.cache_dir / "gtk-3.0.css"
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gtk3_target = gtk3_dir / "gtk.css"
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if gtk3_source.exists():
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# Remove old symlink/file
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if gtk3_target.exists() or gtk3_target.is_symlink():
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gtk3_target.unlink()
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gtk3_target.symlink_to(gtk3_source)
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logger.info(f"Linked GTK 3.0 theme: {gtk3_target}")
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else:
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logger.warning(f"GTK 3.0 CSS not found: {gtk3_source}")
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# Link GTK 4.0 CSS
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gtk4_source = self.cache_dir / "gtk-4.0.css"
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gtk4_target = gtk4_dir / "gtk.css"
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if gtk4_source.exists():
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# Remove old symlink/file
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if gtk4_target.exists() or gtk4_target.is_symlink():
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gtk4_target.unlink()
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gtk4_target.symlink_to(gtk4_source)
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logger.info(f"Linked GTK 4.0 theme: {gtk4_target}")
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else:
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logger.warning(f"GTK 4.0 CSS not found: {gtk4_source}")
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def set_gtk_color_scheme(self, is_light: bool) -> None:
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"""
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Set GTK color scheme preference using gsettings.
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Args:
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is_light: True for light mode, False for dark mode
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"""
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scheme = "prefer-light" if is_light else "prefer-dark"
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try:
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subprocess.run(
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['gsettings', 'set', 'org.gnome.desktop.interface', 'color-scheme', scheme],
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check=True,
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timeout=5,
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capture_output=True
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)
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logger.info(f"Set GTK color scheme to: {scheme}")
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except (subprocess.CalledProcessError, subprocess.TimeoutExpired, FileNotFoundError) as e:
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logger.warning(f"Failed to set GTK color scheme (this is normal if not using GNOME): {e}")
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def setup_kvantum_theme(self) -> None:
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"""Copy and apply Kvantum theme from pywal cache."""
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kvantum_dir = self.config_dir / "Kvantum/PywalTheme"
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kvantum_dir.mkdir(parents=True, exist_ok=True)
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# Copy Kvantum config
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kvantum_source = self.cache_dir / "PywalTheme.kvconfig"
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kvantum_target = kvantum_dir / "PywalTheme.kvconfig"
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if kvantum_source.exists():
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shutil.copy2(kvantum_source, kvantum_target)
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logger.info(f"Copied Kvantum theme: {kvantum_target}")
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# Apply Kvantum theme
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try:
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subprocess.run(
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['kvantummanager', '--set', 'PywalTheme'],
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check=True,
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timeout=5,
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capture_output=True
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)
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logger.info("Applied Kvantum theme: PywalTheme")
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except FileNotFoundError:
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logger.warning("kvantummanager not found, skipping Kvantum theme application")
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except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as e:
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logger.warning(f"Failed to apply Kvantum theme: {e}")
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else:
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logger.warning(f"Kvantum theme not found: {kvantum_source}")
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def setup_helix_theme(self) -> None:
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"""Copy Helix theme from pywal cache to config directory."""
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helix_themes_dir = self.config_dir / "helix/themes"
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helix_themes_dir.mkdir(parents=True, exist_ok=True)
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# Copy minimal Helix theme
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helix_source = self.cache_dir / "helix_minimal.toml"
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helix_target = helix_themes_dir / "pywal_minimal.toml"
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if helix_source.exists():
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shutil.copy2(helix_source, helix_target)
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logger.info(f"Updated Helix theme: pywal_minimal")
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else:
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logger.warning(f"Helix theme not found: {helix_source}")
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# Copy semantic Helix theme if it exists
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helix_semantic_source = self.cache_dir / "helix_semantic.toml"
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helix_semantic_target = helix_themes_dir / "pywal_semantic.toml"
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if helix_semantic_source.exists():
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shutil.copy2(helix_semantic_source, helix_semantic_target)
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logger.info(f"Updated Helix semantic theme: pywal_semantic")
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def run_color_mapper(self) -> None:
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"""
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Run color_mapper.py to generate semantic color mappings.
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This is optional and will only run if the script exists.
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"""
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# Look for color_mapper.py in the same directory as this script
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script_dir = Path(__file__).parent
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color_mapper = script_dir / "color_mapper.py"
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if not color_mapper.exists():
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logger.debug(f"color_mapper.py not found at {color_mapper}, skipping")
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return
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try:
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result = subprocess.run(
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['python3', str(color_mapper)],
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capture_output=True,
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text=True,
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timeout=10,
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check=True
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)
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logger.info("Applied semantic color mapping")
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# Log color mapper output for debugging
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if result.stdout:
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for line in result.stdout.strip().split('\n'):
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logger.debug(f"color_mapper: {line}")
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except FileNotFoundError:
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logger.warning("python3 not found, skipping color mapper")
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except (subprocess.CalledProcessError, subprocess.TimeoutExpired) as e:
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logger.warning(f"Failed to run color_mapper.py: {e}")
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def run(self) -> int:
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"""
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Execute theme application process.
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Returns:
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Exit code (0 for success, 1 for failure)
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"""
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try:
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# Check if pywal has been run
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if not self.cache_dir.exists():
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logger.error(f"Pywal cache not found: {self.cache_dir}")
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logger.error("Please run pywal first")
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return 1
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# Determine mode
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is_light = self.is_light_mode()
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mode = "light" if is_light else "dark"
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logger.info(f"Applying {mode} mode themes")
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# Setup GTK themes
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self.setup_gtk_themes()
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self.set_gtk_color_scheme(is_light)
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# Setup Kvantum theme
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self.setup_kvantum_theme()
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# Setup Helix theme
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self.setup_helix_theme()
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# Run color mapper for semantic themes
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self.run_color_mapper()
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logger.info("All themes applied successfully")
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return 0
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except Exception as e:
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logger.error(f"Theme application failed: {e}", exc_info=True)
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return 1
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def main():
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"""Main entry point."""
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applicator = ThemeApplicator()
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return applicator.run()
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if __name__ == '__main__':
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sys.exit(main())
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