mirror of
https://github.com/GradienceTeam/Gradience.git
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357 lines
16 KiB
Python
357 lines
16 KiB
Python
# preset_utils.py
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#
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# Change the look of Adwaita, with ease
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# Copyright (C) 2022 Gradience Team
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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import os
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import json
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from pathlib import Path
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from gi.repository import GLib, Gio
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from gradience.backend.models.preset import Preset
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from gradience.backend.utils.colors import argb_to_color_code
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from gradience.backend.globals import presets_dir, get_gtk_theme_dir
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from gradience.backend.logger import Logger
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logging = Logger()
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class PresetUtils:
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def __init__(self):
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self.preset = Preset()
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def generate_gtk_css(self, app_type: str, preset: Preset) -> str:
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variables = preset.variables
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palette = preset.palette
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custom_css = preset.custom_css
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final_css = ""
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for key in variables.keys():
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final_css += f"@define-color {key} {variables[key]};\n"
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for prefix_key in palette.keys():
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for key in palette[prefix_key].keys():
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final_css += f"@define-color {prefix_key + key} {palette[prefix_key][key]};\n"
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final_css += custom_css.get(app_type, "")
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return final_css
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def new_preset_from_monet(self, name=None, monet_palette=None, props=None, obj_only=False) -> Preset or None:
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if props:
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tone = props[0]
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theme = props[1]
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else:
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raise AttributeError("Properties 'tone' and/or 'theme' missing")
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if not monet_palette:
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raise AttributeError("Property 'monet_palette' missing")
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if theme == "light":
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light_theme = monet_palette["schemes"]["light"]
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variable = {
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"accent_color": argb_to_color_code(light_theme.primary),
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"accent_bg_color": argb_to_color_code(light_theme.primary),
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"accent_fg_color": argb_to_color_code(light_theme.onPrimary),
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"destructive_color": argb_to_color_code(light_theme.error),
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"destructive_bg_color": argb_to_color_code(light_theme.errorContainer),
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# Avoid using .onError as it causes contrast issues
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"destructive_fg_color": argb_to_color_code(light_theme.onErrorContainer),
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"success_color": argb_to_color_code(light_theme.tertiary),
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"success_bg_color": argb_to_color_code(light_theme.tertiaryContainer),
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"success_fg_color": argb_to_color_code(light_theme.onTertiaryContainer),
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"warning_color": argb_to_color_code(light_theme.secondary),
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"warning_bg_color": argb_to_color_code(light_theme.secondaryContainer),
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"warning_fg_color": argb_to_color_code(light_theme.onSecondaryContainer),
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"error_color": argb_to_color_code(light_theme.error),
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"error_bg_color": argb_to_color_code(light_theme.errorContainer),
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# Avoid using .onError as it causes contrast issues
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"error_fg_color": argb_to_color_code(light_theme.onErrorContainer),
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"window_bg_color": argb_to_color_code(light_theme.surface),
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"window_fg_color": argb_to_color_code(light_theme.onSurface),
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"view_bg_color": argb_to_color_code(light_theme.secondaryContainer),
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"view_fg_color": argb_to_color_code(light_theme.onSurface),
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"headerbar_bg_color": argb_to_color_code(light_theme.primary, "0.08"),
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"headerbar_fg_color": argb_to_color_code(light_theme.onSecondaryContainer),
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"headerbar_border_color": argb_to_color_code(light_theme.onSurface, "0.8"),
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"headerbar_backdrop_color": "@window_bg_color",
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"headerbar_shade_color": argb_to_color_code(light_theme.onSurface, "0.07"),
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"card_bg_color": argb_to_color_code(light_theme.primary, "0.05"),
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"card_fg_color": argb_to_color_code(light_theme.onSecondaryContainer),
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"card_shade_color": argb_to_color_code(light_theme.shadow, "0.07"),
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"dialog_bg_color": argb_to_color_code(light_theme.secondaryContainer),
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"dialog_fg_color": argb_to_color_code(light_theme.onSecondaryContainer),
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"popover_bg_color": argb_to_color_code(light_theme.secondaryContainer),
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"popover_fg_color": argb_to_color_code(light_theme.onSecondaryContainer),
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"shade_color": argb_to_color_code(light_theme.shadow, "0.07"),
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"scrollbar_outline_color": argb_to_color_code(light_theme.outline),
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}
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elif theme == "dark":
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dark_theme = monet_palette["schemes"]["dark"]
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variable = {
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"accent_color": argb_to_color_code(dark_theme.primary),
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"accent_bg_color": argb_to_color_code(dark_theme.primary),
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"accent_fg_color": argb_to_color_code(dark_theme.onPrimary),
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"destructive_color": argb_to_color_code(dark_theme.error),
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"destructive_bg_color": argb_to_color_code(dark_theme.errorContainer),
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# Avoid using .onError as it causes contrast issues
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"destructive_fg_color": argb_to_color_code(dark_theme.onErrorContainer),
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"success_color": argb_to_color_code(dark_theme.tertiary),
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"success_bg_color": argb_to_color_code(dark_theme.tertiaryContainer),
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"success_fg_color": argb_to_color_code(dark_theme.onTertiaryContainer),
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"warning_color": argb_to_color_code(dark_theme.secondary),
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"warning_bg_color": argb_to_color_code(dark_theme.secondaryContainer),
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"warning_fg_color": argb_to_color_code(dark_theme.onSecondaryContainer),
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"error_color": argb_to_color_code(dark_theme.error),
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"error_bg_color": argb_to_color_code(dark_theme.errorContainer),
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# Avoid using .onError as it causes contrast issues
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"error_fg_color": argb_to_color_code(dark_theme.onErrorContainer),
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"window_bg_color": argb_to_color_code(dark_theme.surface),
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"window_fg_color": argb_to_color_code(dark_theme.onSurface),
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"view_bg_color": argb_to_color_code(dark_theme.secondaryContainer),
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"view_fg_color": argb_to_color_code(dark_theme.onSurface),
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"headerbar_bg_color": argb_to_color_code(dark_theme.primary, "0.08"),
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"headerbar_fg_color": argb_to_color_code(dark_theme.onSecondaryContainer),
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"headerbar_border_color": argb_to_color_code(dark_theme.onSurface, "0.8"),
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"headerbar_backdrop_color": "@window_bg_color",
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"headerbar_shade_color": argb_to_color_code(dark_theme.onSurface, "0.07"),
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"card_bg_color": argb_to_color_code(dark_theme.primary, "0.05"),
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"card_fg_color": argb_to_color_code(dark_theme.onSecondaryContainer),
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"card_shade_color": argb_to_color_code(dark_theme.shadow, "0.07"),
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"dialog_bg_color": argb_to_color_code(dark_theme.secondaryContainer),
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"dialog_fg_color": argb_to_color_code(dark_theme.onSecondaryContainer),
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"popover_bg_color": argb_to_color_code(dark_theme.secondaryContainer),
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"popover_fg_color": argb_to_color_code(dark_theme.onSecondaryContainer),
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"shade_color": argb_to_color_code(dark_theme.shadow, "0.36"),
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"scrollbar_outline_color": argb_to_color_code(dark_theme.outline, "0.5"),
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}
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if obj_only == False and not name:
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raise AttributeError("You either need to set 'obj_only' property to True, or add value to 'name' property")
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if obj_only:
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if name:
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logging.debug("with name, obj_only")
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self.preset.new(variables=variable, display_name=name)
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else:
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logging.debug("no name, obj_only")
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self.preset.new(variables=variable)
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return self.preset
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if obj_only == False:
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logging.debug("no obj_only, name")
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self.preset.new(variables=variable, display_name=name)
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try:
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self.preset.save_to_file()
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except OSError:
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raise
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def get_presets_list(self, repo=None, full_list=False) -> dict:
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presets_list = {}
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def get_repo_presets(repo):
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if repo.is_dir():
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for file_name in repo.iterdir():
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file_name = str(file_name)
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if file_name.endswith(".json"):
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try:
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with open(
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os.path.join(presets_dir, file_name),
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"r",
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encoding="utf-8",
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) as file:
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preset_text = file.read()
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file.close()
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except (OSError, KeyError) as e:
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logging.error("Failed to load preset information.", exc=e)
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raise
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else:
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preset = json.loads(preset_text)
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if preset.get("variables") is None:
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raise KeyError("'variables' section missing in loaded preset file")
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if preset.get("palette") is None:
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raise KeyError("'palette' section missing in loaded preset file")
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presets_list[file_name] = preset[
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"name"
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]
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elif repo.is_file():
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# this exists to keep compatibility with old presets
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if repo.name.endswith(".json"):
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logging.warning("Legacy preset found. Moving to new structure.")
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try:
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if not os.path.isdir(os.path.join(presets_dir, "user")):
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os.mkdir(os.path.join(presets_dir, "user"))
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os.rename(repo, os.path.join(
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presets_dir, "user", repo.name))
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with open(
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os.path.join(presets_dir, "user", repo),
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"r",
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encoding="utf-8",
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) as file:
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preset_text = file.read()
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file.close()
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except (OSError, KeyError) as e:
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logging.error("Failed to load preset information.", exc=e)
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raise
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else:
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preset = json.loads(preset_text)
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if preset.get("variables") is None:
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raise KeyError("'variables' section missing in loaded preset file")
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if preset.get("palette") is None:
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raise KeyError("'palette' section missing in loaded preset file")
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presets_list["user"][file_name] = preset[
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"name"
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]
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if full_list:
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for repo in Path(presets_dir).iterdir():
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logging.debug(f"presets_dir.iterdir: {repo}")
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get_repo_presets(repo)
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return presets_list
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elif repo:
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get_repo_presets(repo)
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return presets_list
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else:
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raise AttributeError("You either need to set 'repo' property, or change 'full_list' property to True")
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def apply_preset(self, app_type: str, preset: Preset) -> None:
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if app_type == "gtk4":
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theme_dir = get_gtk_theme_dir(app_type)
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if not os.path.exists(theme_dir):
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os.makedirs(theme_dir)
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gtk4_css = self.generate_gtk_css("gtk4", preset)
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contents = ""
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try:
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with open(
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os.path.join(theme_dir, "gtk.css"), "r", encoding="utf-8"
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) as file:
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contents = file.read()
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except FileNotFoundError: # first run
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pass
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else:
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with open(
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os.path.join(theme_dir, "gtk.css.bak"), "w", encoding="utf-8"
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) as file:
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file.write(contents)
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finally:
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with open(
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os.path.join(theme_dir, "gtk.css"), "w", encoding="utf-8"
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) as file:
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file.write(gtk4_css)
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elif app_type == "gtk3":
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theme_dir = get_gtk_theme_dir(app_type)
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if not os.path.exists(theme_dir):
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os.makedirs(theme_dir)
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gtk3_css = self.generate_gtk_css("gtk3", preset)
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contents = ""
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try:
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with open(
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os.path.join(theme_dir, "gtk.css"), "r", encoding="utf-8"
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) as file:
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contents = file.read()
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except FileNotFoundError: # first run
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pass
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else:
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with open(
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os.path.join(theme_dir, "gtk.css.bak"), "w", encoding="utf-8"
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) as file:
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file.write(contents)
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finally:
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with open(
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os.path.join(theme_dir, "gtk.css"), "w", encoding="utf-8"
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) as file:
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file.write(gtk3_css)
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def restore_gtk4_preset(self) -> None:
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try:
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with open(
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os.path.join(
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os.environ.get(
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"XDG_CONFIG_HOME", os.environ["HOME"] +
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"/.config"
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),
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"gtk-4.0/gtk.css.bak",
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),
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"r",
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encoding="utf-8",
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) as backup:
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contents = backup.read()
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backup.close()
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with open(
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os.path.join(
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os.environ.get(
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"XDG_CONFIG_HOME", os.environ["HOME"] +
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"/.config"
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),
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"gtk-4.0/gtk.css",
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),
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"w",
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encoding="utf-8",
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) as gtk4css:
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gtk4css.write(contents)
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gtk4css.close()
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except OSError as e:
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logging.error("Unable to restore Gtk4 backup.", exc=e)
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raise
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def reset_preset(self, app_type: str) -> None:
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if app_type == "gtk4":
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file = Gio.File.new_for_path(
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os.path.join(
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os.environ.get(
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"XDG_CONFIG_HOME", os.environ["HOME"] + "/.config"
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),
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"gtk-4.0/gtk.css",
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)
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)
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try:
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file.delete()
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except GLib.GError as e:
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logging.error("Unable to delete current preset.", exc=e)
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raise
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elif app_type == "gtk3":
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file = Gio.File.new_for_path(
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os.path.join(
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os.environ.get(
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"XDG_CONFIG_HOME", os.environ["HOME"] + "/.config"
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),
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"gtk-3.0/gtk.css",
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)
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)
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try:
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file.delete()
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except GLib.GError as e:
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logging.error("Unable to delete current preset.", exc=e)
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raise
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