Gradience/gradience/utils/flatpak_overrides.py
2022-10-10 21:45:47 +02:00

381 lines
13 KiB
Python

# flatpak_overrides.py
#
# Change the look of Adwaita, with ease
# Copyright (C) 2022 Gradience Team
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
import os
from gi.repository import GLib, Gio, Adw
from gradience.utils.utils import buglog
""" Custom exception class """
class InvalidGTKVersion(Exception):
pass
""" Internal helper functions (shouldn't be used outside this file) """
def get_system_flatpak_path():
systemPath = GLib.getenv("FLATPAK_SYSTEM_DIR")
buglog(f"systemPath: {systemPath}")
if systemPath:
return systemPath
systemDataDir = GLib.build_filenamev([GLib.DIR_SEPARATOR_S, "var", "lib"])
return GLib.build_filenamev([systemDataDir, "flatpak"])
def get_user_flatpak_path():
userPath = GLib.getenv("FLATPAK_USER_DIR")
buglog(f"userPath: {userPath}")
if userPath:
return userPath
userDataDir = GLib.build_filenamev(
[GLib.get_home_dir(), ".local", "share"])
return GLib.build_filenamev([userDataDir, "flatpak"])
def user_save_keyfile(toast_overlay, settings, user_keyfile, filename, gtk_ver):
try:
user_keyfile.save_to_file(filename)
except GLib.GError as e:
toast_overlay.add_toast(Adw.Toast(title=_("Failed to save override")))
buglog(f"Failed to save keyfile structure to override. Exc: {e}")
else:
if gtk_ver == "gtk4":
settings.set_boolean("user-flatpak-theming-gtk4", True)
buglog(
f"user-flatpak-theming-gtk4: {settings.get_boolean('user-flatpak-theming-gtk4')}"
)
elif gtk_ver == "gtk3":
settings.set_boolean("user-flatpak-theming-gtk3", True)
buglog(
f"user-flatpak-theming-gtk3: {settings.get_boolean('user-flatpak-theming-gtk3')}"
)
def global_save_keyfile(toast_overlay, settings, global_keyfile, filename, gtk_ver):
try:
global_keyfile.save_to_file(filename)
except GLib.GError as e:
toast_overlay.add_toast(Adw.Toast(title=_("Failed to save override")))
buglog(f"Failed to save keyfile structure to override. Exc: {e}")
else:
if gtk_ver == "gtk4":
settings.set_boolean("global-flatpak-theming-gtk4", True)
buglog(
f"global-flatpak-theming-gtk4: {settings.get_boolean('global-flatpak-theming-gtk4')}"
)
elif gtk_ver == "gtk3":
settings.set_boolean("global-flatpak-theming-gtk3", True)
buglog(
f"global-flatpak-theming-gtk3: {settings.get_boolean('global-flatpak-theming-gtk3')}"
)
""" Main functions """
def create_gtk_user_override(toast_overlay, settings, gtk_ver):
override_dir = GLib.build_filenamev([get_user_flatpak_path(), "overrides"])
buglog(f"override_dir: {override_dir}")
filename = GLib.build_filenamev([override_dir, "global"])
user_keyfile = GLib.KeyFile.new()
is_gtk4 = gtk_ver == "gtk4"
is_gtk3 = gtk_ver == "gtk3"
if is_gtk4:
gtk_path = "xdg-config/gtk-4.0"
elif is_gtk3:
gtk_path = "xdg-config/gtk-3.0"
else:
raise InvalidGTKVersion(
f"Invalid GTK version chosen: {gtk_ver}. Please choose between two options: gtk4, gtk3"
)
try:
user_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
except GLib.GError as e:
if e.code == 4:
buglog("File doesn't exist. Attempting to create one")
if not os.path.exists(override_dir):
try:
dirs = Gio.File.new_for_path(override_dir)
dirs.make_directory_with_parents(None)
except GLib.GError as e:
buglog(f"Unable to create directories. Exc: {e}")
if is_gtk4:
settings.set_boolean(
"user-flatpak-theming-gtk4", False)
elif is_gtk3:
settings.set_boolean(
"user-flatpak-theming-gtk3", False)
return
else:
buglog("Directories created.")
file = Gio.File.new_for_path(filename)
file.create(Gio.FileCreateFlags.NONE, None)
user_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
user_keyfile.set_string("Context", "filesystems", gtk_path)
user_save_keyfile(toast_overlay, settings,
user_keyfile, filename, gtk_ver)
else:
toast_overlay.add_toast(
Adw.Toast(title=_("Unexpected file error occurred"))
)
buglog(f"Unhandled GLib.FileError error code. Exc: {e}")
else:
try:
filesys_list = user_keyfile.get_string_list(
"Context", "filesystems")
except GLib.GError:
user_keyfile.set_string("Context", "filesystems", gtk_path)
user_save_keyfile(toast_overlay, settings,
user_keyfile, filename, gtk_ver)
else:
if gtk_path not in filesys_list:
user_keyfile.set_string_list(
"Context", "filesystems", filesys_list + [gtk_path]
)
user_save_keyfile(
toast_overlay, settings, user_keyfile, filename, gtk_ver
)
else:
if is_gtk4:
settings.set_boolean("user-flatpak-theming-gtk4", True)
elif is_gtk3:
settings.set_boolean("user-flatpak-theming-gtk3", True)
buglog("Value already exists.")
def remove_gtk_user_override(toast_overlay, settings, gtk_ver):
override_dir = GLib.build_filenamev([get_user_flatpak_path(), "overrides"])
buglog(f"override_dir: {override_dir}")
filename = GLib.build_filenamev([override_dir, "global"])
user_keyfile = GLib.KeyFile.new()
is_gtk4 = gtk_ver == "gtk4"
is_gtk3 = gtk_ver == "gtk3"
if is_gtk4:
gtk_path = "xdg-config/gtk-4.0"
elif is_gtk3:
gtk_path = "xdg-config/gtk-3.0"
else:
raise InvalidGTKVersion(
f"Invalid GTK version chosen: {gtk_ver}. Please choose between two options: gtk4, gtk3"
)
def set_theming():
if is_gtk4:
settings.set_boolean("user-flatpak-theming-gtk4", False)
elif is_gtk3:
settings.set_boolean("user-flatpak-theming-gtk3", False)
try:
user_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
except GLib.GError as e:
if e.code == 4:
set_theming()
buglog("remove override: File doesn't exist")
else:
toast_overlay.add_toast(
Adw.Toast(title=_("Unexpected file error occurred"))
)
buglog(f"Unhandled GLib.FileError error code. Exc: {e}")
else:
try:
filesys_list = user_keyfile.get_string_list(
"Context", "filesystems")
except GLib.GError:
set_theming()
buglog("remove override: Group/key not found.")
else:
if gtk_path in filesys_list:
buglog(f"before: {filesys_list}")
filesys_list.remove(gtk_path)
buglog(f"after: {filesys_list}")
user_keyfile.set_string_list(
"Context", "filesystems", filesys_list)
user_save_keyfile(
toast_overlay, settings, user_keyfile, filename, gtk_ver
)
buglog("remove override: Value removed.")
else:
set_theming()
buglog("remove override: Value not found.")
""" Do not use this functions for now, as they are lacking authentication"""
# TODO: Implement user authentication using Polkit
def create_gtk_global_override(toast_overlay, settings, gtk_ver):
override_dir = GLib.build_filenamev(
[get_system_flatpak_path(), "overrides"])
buglog(f"override_dir: {override_dir}")
filename = GLib.build_filenamev([override_dir, "global"])
global_keyfile = GLib.KeyFile.new()
is_gtk4 = gtk_ver == "gtk4"
is_gtk3 = gtk_ver == "gtk3"
if is_gtk4:
gtk_path = "xdg-config/gtk-4.0"
elif is_gtk3:
gtk_path = "xdg-config/gtk-3.0"
else:
raise InvalidGTKVersion(
f"Invalid GTK version chosen: {gtk_ver}. Please choose between two options: gtk4, gtk3"
)
try:
global_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
except GLib.GError as e:
if e.code == 4:
buglog("File doesn't exist. Attempting to create one")
if not os.path.exists(override_dir):
try:
dirs = Gio.File.new_for_path(override_dir)
dirs.make_directory_with_parents(None)
except GLib.GError as e:
buglog(f"Unable to create directories. Exc: {e}")
if is_gtk4:
settings.set_boolean(
"global-flatpak-theming-gtk4", False)
elif is_gtk3:
settings.set_boolean(
"global-flatpak-theming-gtk3", False)
return
else:
buglog("Directories created.")
file = Gio.File.new_for_path(filename)
file.create(Gio.FileCreateFlags.NONE, None)
global_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
global_keyfile.set_string("Context", "filesystems", gtk_path)
global_save_keyfile(
toast_overlay, settings, global_keyfile, filename, gtk_ver
)
else:
toast_overlay.add_toast(
Adw.Toast(title=_("Unexpected file error occurred"))
)
buglog(f"Unhandled GLib.FileError error code. Exc: {e}")
else:
try:
filesys_list = global_keyfile.get_string_list(
"Context", "filesystems")
except GLib.GError:
global_keyfile.set_string("Context", "filesystems", gtk_path)
global_save_keyfile(
toast_overlay, settings, global_keyfile, filename, gtk_ver
)
else:
if gtk_path not in filesys_list:
global_keyfile.set_string_list(
"Context", "filesystems", filesys_list + [gtk_path]
)
global_save_keyfile(
toast_overlay, settings, global_keyfile, filename, gtk_ver
)
else:
if is_gtk4:
settings.set_boolean("global-flatpak-theming-gtk4", True)
elif is_gtk3:
settings.set_boolean("global-flatpak-theming-gtk3", True)
buglog("Value already exists.")
def remove_gtk_global_override(toast_overlay, settings, gtk_ver):
override_dir = GLib.build_filenamev(
[get_system_flatpak_path(), "overrides"])
buglog(f"override_dir: {override_dir}")
filename = GLib.build_filenamev([override_dir, "global"])
global_keyfile = GLib.KeyFile.new()
is_gtk4 = gtk_ver == "gtk4"
is_gtk3 = gtk_ver == "gtk3"
if is_gtk4:
gtk_path = "xdg-config/gtk-4.0"
elif is_gtk3:
gtk_path = "xdg-config/gtk-3.0"
else:
raise InvalidGTKVersion(
f"Invalid GTK version chosen: {gtk_ver}. Please choose between two options: gtk4, gtk3"
)
def set_theming():
if is_gtk4:
settings.set_boolean("user-flatpak-theming-gtk4", False)
elif is_gtk3:
settings.set_boolean("user-flatpak-theming-gtk3", False)
try:
global_keyfile.load_from_file(filename, GLib.KeyFileFlags.NONE)
except GLib.GError as e:
if e.code == 4:
set_theming()
buglog("remove override: File doesn't exist")
else:
toast_overlay.add_toast(
Adw.Toast(title=_("Unexpected file error occurred"))
)
buglog(f"Unhandled GLib.FileError error code. Exc: {e}")
else:
try:
filesys_list = global_keyfile.get_string_list(
"Context", "filesystems")
except GLib.GError:
set_theming()
buglog("remove override: Group/key not found.")
else:
if gtk_path in filesys_list:
buglog(f"before: {filesys_list}")
filesys_list.remove(gtk_path)
buglog(f"after: {filesys_list}")
global_keyfile.set_string_list(
"Context", "filesystems", filesys_list)
global_save_keyfile(
toast_overlay, settings, global_keyfile, filename, gtk_ver
)
buglog("remove override: Value removed.")
else:
set_theming()
buglog("remove override: Value not found.")