chore: remove Python implementation and build config

Rust rewrite provides full feature parity. Python sources,
tests, pyproject.toml, and uv.lock are no longer needed.
This commit is contained in:
nevaforget 2026-03-27 16:11:54 +01:00
parent c2e3077159
commit d6979c1792
21 changed files with 1 additions and 1533 deletions

16
.gitignore vendored
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@ -1,21 +1,7 @@
__pycache__/
*.py[cod]
*$py.class
*.egg-info/
dist/
build/
.venv/
.pytest_cache/
.pyright/
*.egg
/target
# makepkg build artifacts
pkg/src/
pkg/pkg/
pkg/*.pkg.tar*
pkg/moonset/
# Added by cargo
/target

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@ -13,15 +13,12 @@ Lock, Logout, Hibernate, Reboot, Shutdown.
- Rust (Edition 2024), gtk4-rs 0.11, glib 0.22
- gtk4-layer-shell 0.8 für Wayland Layer Shell (OVERLAY Layer)
- `cargo test` für Unit-Tests
- Python-Quellen in `src/moonset/` als Referenz erhalten
## Projektstruktur
- `src/` — Rust-Quellcode (main.rs, power.rs, i18n.rs, config.rs, users.rs, panel.rs)
- `resources/` — GResource-Assets (style.css, wallpaper.jpg, default-avatar.svg)
- `config/` — Beispiel-Konfigurationsdateien
- `src/moonset/` — Python-Referenzimplementierung (v0.2.0)
- `tests/` — Python-Tests (Referenz)
## Kommandos

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@ -1,30 +0,0 @@
[build-system]
requires = ["hatchling"]
build-backend = "hatchling.build"
[project]
name = "moonset"
version = "0.2.0"
description = "Wayland session power menu with GTK4 and Layer Shell"
requires-python = ">=3.11"
license = "MIT"
dependencies = [
"PyGObject>=3.46",
]
[project.scripts]
moonset = "moonset.main:main"
[tool.hatch.build.targets.wheel]
packages = ["src/moonset"]
[tool.pytest.ini_options]
testpaths = ["tests"]
pythonpath = ["src"]
[tool.pyright]
pythonVersion = "3.11"
pythonPlatform = "Linux"
venvPath = "."
venv = ".venv"
typeCheckingMode = "standard"

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# ABOUTME: Moonset package — a Wayland session power menu with GTK4.
# ABOUTME: Part of the Moonarch ecosystem.

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@ -1,60 +0,0 @@
# ABOUTME: Configuration loading for the session power menu.
# ABOUTME: Reads moonset.toml for wallpaper settings with fallback hierarchy.
import tomllib
from dataclasses import dataclass
from importlib.resources import files
from pathlib import Path
MOONARCH_WALLPAPER = Path("/usr/share/moonarch/wallpaper.jpg")
PACKAGE_WALLPAPER = Path(str(files("moonset") / "data" / "wallpaper.jpg"))
DEFAULT_CONFIG_PATHS = [
Path("/etc/moonset/moonset.toml"),
Path.home() / ".config" / "moonset" / "moonset.toml",
]
@dataclass(frozen=True)
class Config:
"""Power menu configuration."""
background_path: str | None = None
def load_config(
config_paths: list[Path] | None = None,
) -> Config:
"""Load config from TOML file. Later paths override earlier ones."""
if config_paths is None:
config_paths = DEFAULT_CONFIG_PATHS
merged: dict = {}
for path in config_paths:
if path.exists():
with open(path, "rb") as f:
data = tomllib.load(f)
merged.update(data)
return Config(
background_path=merged.get("background_path"),
)
def resolve_background_path(config: Config) -> Path:
"""Resolve the wallpaper path using the fallback hierarchy.
Priority: config background_path > Moonarch system default > package fallback.
"""
# User-configured path
if config.background_path:
path = Path(config.background_path)
if path.is_file():
return path
# Moonarch ecosystem default
if MOONARCH_WALLPAPER.is_file():
return MOONARCH_WALLPAPER
# Package fallback (always present)
return PACKAGE_WALLPAPER

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@ -1 +0,0 @@
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# ABOUTME: Locale detection and string lookup for the power menu UI.
# ABOUTME: Reads system locale (LANG or /etc/locale.conf) and provides DE or EN strings.
import os
from dataclasses import dataclass
from pathlib import Path
DEFAULT_LOCALE_CONF = Path("/etc/locale.conf")
@dataclass(frozen=True)
class Strings:
"""All user-visible strings for the power menu UI."""
# Button labels
lock_label: str
logout_label: str
hibernate_label: str
reboot_label: str
shutdown_label: str
# Confirmation prompts
logout_confirm: str
hibernate_confirm: str
reboot_confirm: str
shutdown_confirm: str
# Confirmation buttons
confirm_yes: str
confirm_no: str
# Error messages
lock_failed: str
logout_failed: str
hibernate_failed: str
reboot_failed: str
shutdown_failed: str
_STRINGS_DE = Strings(
lock_label="Sperren",
logout_label="Abmelden",
hibernate_label="Ruhezustand",
reboot_label="Neustart",
shutdown_label="Herunterfahren",
logout_confirm="Wirklich abmelden?",
hibernate_confirm="Wirklich in den Ruhezustand?",
reboot_confirm="Wirklich neu starten?",
shutdown_confirm="Wirklich herunterfahren?",
confirm_yes="Ja",
confirm_no="Abbrechen",
lock_failed="Sperren fehlgeschlagen",
logout_failed="Abmelden fehlgeschlagen",
hibernate_failed="Ruhezustand fehlgeschlagen",
reboot_failed="Neustart fehlgeschlagen",
shutdown_failed="Herunterfahren fehlgeschlagen",
)
_STRINGS_EN = Strings(
lock_label="Lock",
logout_label="Log out",
hibernate_label="Hibernate",
reboot_label="Reboot",
shutdown_label="Shut down",
logout_confirm="Really log out?",
hibernate_confirm="Really hibernate?",
reboot_confirm="Really reboot?",
shutdown_confirm="Really shut down?",
confirm_yes="Yes",
confirm_no="Cancel",
lock_failed="Lock failed",
logout_failed="Log out failed",
hibernate_failed="Hibernate failed",
reboot_failed="Reboot failed",
shutdown_failed="Shutdown failed",
)
_LOCALE_MAP: dict[str, Strings] = {
"de": _STRINGS_DE,
"en": _STRINGS_EN,
}
def detect_locale(locale_conf_path: Path = DEFAULT_LOCALE_CONF) -> str:
"""Determine the system language from LANG env var or /etc/locale.conf."""
lang = os.environ.get("LANG")
if not lang and locale_conf_path.exists():
for line in locale_conf_path.read_text().splitlines():
if line.startswith("LANG="):
lang = line.split("=", 1)[1].strip()
break
if not lang or lang in ("C", "POSIX"):
return "en"
# Extract language prefix: "de_DE.UTF-8" → "de"
lang = lang.split("_")[0].split(".")[0].lower()
if not lang.isalpha():
return "en"
return lang
def load_strings(locale: str | None = None) -> Strings:
"""Return the string table for the given locale, defaulting to English."""
if locale is None:
locale = detect_locale()
return _LOCALE_MAP.get(locale, _STRINGS_EN)

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# ABOUTME: Entry point for Moonset — sets up GTK Application and Layer Shell.
# ABOUTME: Handles multi-monitor setup: power menu on primary, wallpaper on secondary monitors.
import logging
import os
import sys
from importlib.resources import files
# gtk4-layer-shell must be loaded before libwayland-client.
# Only allow our own library in LD_PRELOAD — discard anything inherited from the environment.
_LAYER_SHELL_LIB = "/usr/lib/libgtk4-layer-shell.so"
_existing_preload = os.environ.get("LD_PRELOAD", "")
_is_testing = "pytest" in sys.modules or "unittest" in sys.modules
if (
not _is_testing
and _LAYER_SHELL_LIB not in _existing_preload
and os.path.exists(_LAYER_SHELL_LIB)
):
os.environ["LD_PRELOAD"] = _LAYER_SHELL_LIB
os.execvp(sys.executable, [sys.executable, "-m", "moonset.main"] + sys.argv[1:])
import gi
gi.require_version("Gtk", "4.0")
gi.require_version("Gdk", "4.0")
from gi.repository import Gtk, Gdk
from moonset.config import load_config, resolve_background_path
from moonset.panel import PanelWindow, WallpaperWindow
# gtk4-layer-shell is optional for development/testing
try:
gi.require_version("Gtk4LayerShell", "1.0")
from gi.repository import Gtk4LayerShell
HAS_LAYER_SHELL = True
except (ValueError, ImportError):
HAS_LAYER_SHELL = False
logger = logging.getLogger(__name__)
def _setup_logging() -> None:
"""Configure logging to stderr."""
root = logging.getLogger()
root.setLevel(logging.INFO)
formatter = logging.Formatter(
"%(asctime)s %(levelname)s %(name)s: %(message)s"
)
stderr_handler = logging.StreamHandler(sys.stderr)
stderr_handler.setLevel(logging.INFO)
stderr_handler.setFormatter(formatter)
root.addHandler(stderr_handler)
class MoonsetApp(Gtk.Application):
"""GTK Application for the Moonset power menu."""
def __init__(self) -> None:
super().__init__(application_id="dev.moonarch.moonset")
def do_activate(self) -> None:
"""Create and present power menu windows on all monitors."""
display = Gdk.Display.get_default()
if display is None:
logger.error("No display available — cannot start power menu UI")
return
self._load_css(display)
# Resolve wallpaper once, share across all windows
config = load_config()
bg_path = resolve_background_path(config)
# Panel on focused output (no set_monitor → compositor picks focused)
panel = PanelWindow(bg_path=bg_path, application=self)
if HAS_LAYER_SHELL:
self._setup_layer_shell(panel, keyboard=True)
panel.present()
# Wallpaper on all other monitors
monitors = display.get_monitors()
for i in range(monitors.get_n_items()):
monitor = monitors.get_item(i)
wallpaper = WallpaperWindow(bg_path=bg_path, application=self)
if HAS_LAYER_SHELL:
self._setup_layer_shell(
wallpaper, keyboard=False,
layer=Gtk4LayerShell.Layer.TOP,
)
Gtk4LayerShell.set_monitor(wallpaper, monitor)
wallpaper.present()
def _load_css(self, display: Gdk.Display) -> None:
"""Load the CSS stylesheet for the power menu."""
css_provider = Gtk.CssProvider()
css_path = files("moonset") / "style.css"
css_provider.load_from_path(str(css_path))
Gtk.StyleContext.add_provider_for_display(
display,
css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION,
)
def _setup_layer_shell(
self, window: Gtk.Window, keyboard: bool = False,
layer: int | None = None,
) -> None:
"""Configure gtk4-layer-shell for fullscreen display."""
Gtk4LayerShell.init_for_window(window)
Gtk4LayerShell.set_layer(
window, layer if layer is not None else Gtk4LayerShell.Layer.OVERLAY
)
Gtk4LayerShell.set_exclusive_zone(window, -1)
if keyboard:
Gtk4LayerShell.set_keyboard_mode(
window, Gtk4LayerShell.KeyboardMode.EXCLUSIVE
)
# Anchor to all edges for fullscreen
for edge in [
Gtk4LayerShell.Edge.TOP,
Gtk4LayerShell.Edge.BOTTOM,
Gtk4LayerShell.Edge.LEFT,
Gtk4LayerShell.Edge.RIGHT,
]:
Gtk4LayerShell.set_anchor(window, edge, True)
def main() -> None:
"""Run the Moonset application."""
_setup_logging()
logger.info("Moonset starting")
app = MoonsetApp()
app.run(sys.argv)
if __name__ == "__main__":
main()

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# ABOUTME: UI module for the power menu — action buttons, confirmation flow, wallpaper windows.
# ABOUTME: Defines PanelWindow (primary monitor) and WallpaperWindow (secondary monitors).
import logging
import threading
from collections.abc import Callable
from dataclasses import dataclass
from pathlib import Path
import gi
gi.require_version("Gtk", "4.0")
gi.require_version("Gdk", "4.0")
from gi.repository import Gtk, Gdk, GdkPixbuf, GLib
from moonset.i18n import Strings, load_strings
from moonset.users import get_current_user, get_avatar_path, get_default_avatar_path
from moonset import power
logger = logging.getLogger(__name__)
AVATAR_SIZE = 128
@dataclass(frozen=True)
class ActionDef:
"""Definition for a single power action button."""
name: str
icon_name: str
needs_confirm: bool
action_fn: Callable[[], None]
label_attr: str
error_attr: str
confirm_attr: str | None
def get_label(self, strings: Strings) -> str:
return getattr(strings, self.label_attr)
def get_error_message(self, strings: Strings) -> str:
return getattr(strings, self.error_attr)
def get_confirm_prompt(self, strings: Strings) -> str | None:
if self.confirm_attr is None:
return None
return getattr(strings, self.confirm_attr)
ACTION_DEFINITIONS: list[ActionDef] = [
ActionDef(
name="lock",
icon_name="system-lock-screen-symbolic",
needs_confirm=False,
action_fn=power.lock,
label_attr="lock_label",
error_attr="lock_failed",
confirm_attr=None,
),
ActionDef(
name="logout",
icon_name="system-log-out-symbolic",
needs_confirm=True,
action_fn=power.logout,
label_attr="logout_label",
error_attr="logout_failed",
confirm_attr="logout_confirm",
),
ActionDef(
name="hibernate",
icon_name="system-hibernate-symbolic",
needs_confirm=True,
action_fn=power.hibernate,
label_attr="hibernate_label",
error_attr="hibernate_failed",
confirm_attr="hibernate_confirm",
),
ActionDef(
name="reboot",
icon_name="system-reboot-symbolic",
needs_confirm=True,
action_fn=power.reboot,
label_attr="reboot_label",
error_attr="reboot_failed",
confirm_attr="reboot_confirm",
),
ActionDef(
name="shutdown",
icon_name="system-shutdown-symbolic",
needs_confirm=True,
action_fn=power.shutdown,
label_attr="shutdown_label",
error_attr="shutdown_failed",
confirm_attr="shutdown_confirm",
),
]
class WallpaperWindow(Gtk.ApplicationWindow):
"""Fullscreen wallpaper-only window for secondary monitors."""
def __init__(self, bg_path: Path, application: Gtk.Application) -> None:
super().__init__(application=application)
self.add_css_class("wallpaper")
background = Gtk.Picture.new_for_filename(str(bg_path))
background.set_content_fit(Gtk.ContentFit.COVER)
background.set_hexpand(True)
background.set_vexpand(True)
self.set_child(background)
self.connect("map", self._on_map)
def _on_map(self, widget: Gtk.Widget) -> None:
"""Trigger fade-in once the window is visible."""
GLib.idle_add(lambda: self.add_css_class("visible") or GLib.SOURCE_REMOVE)
class PanelWindow(Gtk.ApplicationWindow):
"""Fullscreen power menu window for the primary monitor."""
def __init__(self, bg_path: Path, application: Gtk.Application) -> None:
super().__init__(application=application)
self.add_css_class("panel")
self._strings = load_strings()
self._app = application
self._user = get_current_user()
self._confirm_box: Gtk.Box | None = None
self._build_ui(bg_path)
self._setup_keyboard()
# Focus the first action button once the window is mapped
self.connect("map", self._on_map)
def _build_ui(self, bg_path: Path) -> None:
"""Build the panel layout with wallpaper background and action buttons."""
# Main overlay for background + centered content
overlay = Gtk.Overlay()
self.set_child(overlay)
# Background wallpaper
background = Gtk.Picture.new_for_filename(str(bg_path))
background.set_content_fit(Gtk.ContentFit.COVER)
background.set_hexpand(True)
background.set_vexpand(True)
overlay.set_child(background)
# Click on background dismisses the menu
click_controller = Gtk.GestureClick()
click_controller.connect("released", self._on_background_click)
background.add_controller(click_controller)
# Centered content box
content_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
content_box.set_halign(Gtk.Align.CENTER)
content_box.set_valign(Gtk.Align.CENTER)
overlay.add_overlay(content_box)
# Avatar
avatar_frame = Gtk.Box()
avatar_frame.set_size_request(AVATAR_SIZE, AVATAR_SIZE)
avatar_frame.set_halign(Gtk.Align.CENTER)
avatar_frame.set_overflow(Gtk.Overflow.HIDDEN)
avatar_frame.add_css_class("avatar")
self._avatar_image = Gtk.Image()
self._avatar_image.set_pixel_size(AVATAR_SIZE)
avatar_frame.append(self._avatar_image)
content_box.append(avatar_frame)
avatar_path = get_avatar_path(self._user.home, self._user.username)
if avatar_path:
self._set_avatar_from_file(avatar_path)
else:
self._set_default_avatar()
# Username label
username_label = Gtk.Label(label=self._user.display_name)
username_label.add_css_class("username-label")
content_box.append(username_label)
# Action buttons row
self._button_box = Gtk.Box(
orientation=Gtk.Orientation.HORIZONTAL, spacing=24
)
self._button_box.set_halign(Gtk.Align.CENTER)
content_box.append(self._button_box)
for action_def in ACTION_DEFINITIONS:
button = self._create_action_button(action_def)
self._button_box.append(button)
# Confirmation area (below buttons)
self._confirm_area = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
self._confirm_area.set_halign(Gtk.Align.CENTER)
self._confirm_area.set_margin_top(24)
content_box.append(self._confirm_area)
# Error label
self._error_label = Gtk.Label()
self._error_label.add_css_class("error-label")
self._error_label.set_visible(False)
self._error_label.set_margin_top(16)
content_box.append(self._error_label)
def _create_action_button(self, action_def: ActionDef) -> Gtk.Button:
"""Create a single action button with icon and label."""
button_content = Gtk.Box(
orientation=Gtk.Orientation.VERTICAL, spacing=4
)
button_content.set_halign(Gtk.Align.CENTER)
button_content.set_valign(Gtk.Align.CENTER)
# Look up the 22px icon variant (matches moonlock), render at 64px
display = Gdk.Display.get_default()
theme = Gtk.IconTheme.get_for_display(display)
icon_paintable = theme.lookup_icon(
action_def.icon_name, None, 22, 1,
Gtk.TextDirection.NONE, Gtk.IconLookupFlags.FORCE_SYMBOLIC,
)
icon_file = icon_paintable.get_file()
icon = Gtk.Image()
if icon_file:
# Load the SVG at 64px via GdkPixbuf
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
icon_file.get_path(), 64, 64, True
)
icon.set_from_pixbuf(pixbuf)
else:
icon.set_from_icon_name(action_def.icon_name)
icon.set_pixel_size(64)
icon.add_css_class("action-icon")
button_content.append(icon)
label = Gtk.Label(label=action_def.get_label(self._strings))
label.add_css_class("action-label")
button_content.append(label)
button = Gtk.Button()
button.set_child(button_content)
button.add_css_class("action-button")
button.connect("clicked", lambda _, ad=action_def: self._on_action_clicked(ad))
return button
def _setup_keyboard(self) -> None:
"""Set up keyboard event handling — Escape dismisses."""
controller = Gtk.EventControllerKey()
controller.connect("key-pressed", self._on_key_pressed)
self.add_controller(controller)
def _on_map(self, widget: Gtk.Widget) -> None:
"""Trigger fade-in and grab focus once the window is visible."""
GLib.idle_add(self._fade_in)
def _fade_in(self) -> bool:
"""Add visible class to trigger CSS opacity transition, then grab focus."""
self.add_css_class("visible")
GLib.idle_add(self._grab_initial_focus)
return GLib.SOURCE_REMOVE
def _grab_initial_focus(self) -> bool:
"""Set focus on the first action button."""
first_button = self._button_box.get_first_child()
if first_button is not None:
first_button.grab_focus()
return GLib.SOURCE_REMOVE
def _on_key_pressed(
self,
controller: Gtk.EventControllerKey,
keyval: int,
keycode: int,
state: Gdk.ModifierType,
) -> bool:
"""Handle key presses — Escape dismisses the power menu."""
if keyval == Gdk.KEY_Escape:
self._app.quit()
return True
return False
def _on_background_click(
self,
gesture: Gtk.GestureClick,
n_press: int,
x: float,
y: float,
) -> None:
"""Dismiss the power menu when background is clicked."""
self._app.quit()
def _on_action_clicked(self, action_def: ActionDef) -> None:
"""Handle an action button click."""
self._dismiss_confirm()
self._error_label.set_visible(False)
if not action_def.needs_confirm:
self._execute_action(action_def)
return
self._show_confirm(action_def)
def _show_confirm(self, action_def: ActionDef) -> None:
"""Show inline confirmation below the action buttons."""
self._confirm_box = Gtk.Box(
orientation=Gtk.Orientation.VERTICAL, spacing=8
)
self._confirm_box.set_halign(Gtk.Align.CENTER)
self._confirm_box.add_css_class("confirm-box")
prompt = action_def.get_confirm_prompt(self._strings)
confirm_label = Gtk.Label(label=prompt)
confirm_label.add_css_class("confirm-label")
self._confirm_box.append(confirm_label)
button_box = Gtk.Box(
orientation=Gtk.Orientation.HORIZONTAL, spacing=8
)
button_box.set_halign(Gtk.Align.CENTER)
yes_btn = Gtk.Button(label=self._strings.confirm_yes)
yes_btn.add_css_class("confirm-yes")
yes_btn.connect(
"clicked", lambda _: self._execute_action(action_def)
)
button_box.append(yes_btn)
no_btn = Gtk.Button(label=self._strings.confirm_no)
no_btn.add_css_class("confirm-no")
no_btn.connect("clicked", lambda _: self._dismiss_confirm())
button_box.append(no_btn)
self._confirm_box.append(button_box)
self._confirm_area.append(self._confirm_box)
# Focus the "No" button — safe default for keyboard navigation
no_btn.grab_focus()
def _dismiss_confirm(self) -> None:
"""Remove the confirmation prompt."""
if self._confirm_box is not None:
self._confirm_area.remove(self._confirm_box)
self._confirm_box = None
def _execute_action(self, action_def: ActionDef) -> None:
"""Execute a power action in a background thread."""
self._dismiss_confirm()
def _run() -> None:
try:
action_def.action_fn()
# Lock action: quit after successful execution
if action_def.name == "lock":
GLib.idle_add(self._app.quit)
except Exception:
logger.exception("Power action '%s' failed", action_def.name)
error_msg = action_def.get_error_message(self._strings)
GLib.idle_add(self._show_error, error_msg)
thread = threading.Thread(target=_run, daemon=True)
thread.start()
def _set_avatar_from_file(self, path: Path) -> None:
"""Load an image file and set it as the avatar."""
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
str(path), AVATAR_SIZE, AVATAR_SIZE, True
)
self._avatar_image.set_from_pixbuf(pixbuf)
except GLib.Error:
self._set_default_avatar()
def _set_default_avatar(self) -> None:
"""Load the default avatar SVG, tinted with the foreground color."""
try:
default_path = get_default_avatar_path()
svg_text = default_path.read_text()
rgba = self.get_color()
fg_color = f"#{int(rgba.red * 255):02x}{int(rgba.green * 255):02x}{int(rgba.blue * 255):02x}"
svg_text = svg_text.replace("#PLACEHOLDER", fg_color)
svg_bytes = svg_text.encode("utf-8")
loader = GdkPixbuf.PixbufLoader.new_with_type("svg")
loader.set_size(AVATAR_SIZE, AVATAR_SIZE)
loader.write(svg_bytes)
loader.close()
pixbuf = loader.get_pixbuf()
if pixbuf:
self._avatar_image.set_from_pixbuf(pixbuf)
return
except (GLib.Error, OSError):
pass
self._avatar_image.set_from_icon_name("avatar-default-symbolic")
def _show_error(self, message: str) -> None:
"""Display an error message."""
self._error_label.set_text(message)
self._error_label.set_visible(True)

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# ABOUTME: Power actions — lock, logout, hibernate, reboot, shutdown.
# ABOUTME: Simple wrappers around system commands for the session power menu.
import subprocess
POWER_TIMEOUT = 30
def lock() -> None:
"""Lock the current session by launching moonlock."""
subprocess.run(["moonlock"], check=True, timeout=POWER_TIMEOUT)
def logout() -> None:
"""Quit the Niri compositor (logout)."""
subprocess.run(
["niri", "msg", "action", "quit"], check=True, timeout=POWER_TIMEOUT
)
def hibernate() -> None:
"""Hibernate the system via systemctl."""
subprocess.run(["systemctl", "hibernate"], check=True, timeout=POWER_TIMEOUT)
def reboot() -> None:
"""Reboot the system via loginctl."""
subprocess.run(["loginctl", "reboot"], check=True, timeout=POWER_TIMEOUT)
def shutdown() -> None:
"""Shut down the system via loginctl."""
subprocess.run(["loginctl", "poweroff"], check=True, timeout=POWER_TIMEOUT)

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/* ABOUTME: GTK4 CSS stylesheet for the Moonset power menu. */
/* ABOUTME: Uses GTK theme colors for consistency with the active desktop theme. */
/* Main panel window background */
window.panel {
background-color: @theme_bg_color;
background-size: cover;
background-position: center;
}
/* Wallpaper-only window for secondary monitors */
window.wallpaper {
background-color: @theme_bg_color;
}
/* Round avatar image */
.avatar {
border-radius: 50%;
min-width: 128px;
min-height: 128px;
background-color: @theme_selected_bg_color;
border: 3px solid alpha(white, 0.3);
}
/* Username label */
.username-label {
font-size: 24px;
font-weight: bold;
color: white;
margin-top: 12px;
margin-bottom: 40px;
}
/* Action button — square card */
.action-button {
min-width: 120px;
min-height: 120px;
padding: 16px;
border-radius: 50%;
background-color: alpha(@theme_base_color, 0.55);
color: @theme_fg_color;
border: none;
}
.action-button:hover {
background-color: alpha(@theme_base_color, 0.7);
}
/* Action icon inside button — request 48px from theme, scale up via CSS */
.action-icon {
color: @theme_fg_color;
-gtk-icon-size: 64px;
}
/* Action label below icon */
.action-label {
font-size: 14px;
color: @theme_unfocused_fg_color;
}
/* Confirmation box below action buttons */
.confirm-box {
padding: 16px 24px;
background-color: transparent;
}
/* Confirmation prompt text */
.confirm-label {
font-size: 16px;
color: @theme_fg_color;
margin-bottom: 4px;
}
/* Confirm "Yes" button */
.confirm-yes {
padding: 8px 24px;
border-radius: 8px;
background-color: @error_color;
color: @theme_bg_color;
border: none;
font-weight: bold;
}
.confirm-yes:hover {
background-color: lighter(@error_color);
}
/* Confirm "No/Cancel" button */
.confirm-no {
padding: 8px 24px;
border-radius: 8px;
background-color: @theme_unfocused_bg_color;
color: @theme_fg_color;
border: none;
}
.confirm-no:hover {
background-color: @theme_selected_bg_color;
}
/* Error message label */
.error-label {
color: @error_color;
font-size: 14px;
}

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# ABOUTME: Current user detection and avatar loading for the power menu.
# ABOUTME: Retrieves user info from the system (pwd, AccountsService, ~/.face).
import os
import pwd
from dataclasses import dataclass
from importlib.resources import files
from pathlib import Path
DEFAULT_ACCOUNTSSERVICE_DIR = Path("/var/lib/AccountsService/icons")
@dataclass(frozen=True)
class User:
"""Represents the current user for the power menu."""
username: str
display_name: str
home: Path
uid: int
def get_current_user() -> User:
"""Get the currently logged-in user's info from the system."""
# Use getuid() instead of getlogin() — getlogin() fails without a controlling
# terminal (systemd units, display-manager-started sessions).
pw = pwd.getpwuid(os.getuid())
gecos = pw.pw_gecos
# GECOS field may contain comma-separated values; first field is the full name
display_name = gecos.split(",")[0] if gecos else pw.pw_name
if not display_name:
display_name = pw.pw_name
return User(
username=pw.pw_name,
display_name=display_name,
home=Path(pw.pw_dir),
uid=pw.pw_uid,
)
def get_avatar_path(
home: Path,
username: str | None = None,
accountsservice_dir: Path = DEFAULT_ACCOUNTSSERVICE_DIR,
) -> Path | None:
"""Find the user's avatar image, checking ~/.face then AccountsService."""
# ~/.face takes priority
face = home / ".face"
if face.exists():
return face
# AccountsService icon
if username and accountsservice_dir.exists():
icon = accountsservice_dir / username
if icon.exists():
return icon
return None
def get_default_avatar_path() -> Path:
"""Return the path to the package default avatar SVG."""
return Path(str(files("moonset") / "data" / "default-avatar.svg"))

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# ABOUTME: Tests for configuration loading and wallpaper path resolution.
# ABOUTME: Verifies TOML parsing, fallback hierarchy, and default values.
from pathlib import Path
from unittest.mock import patch
import pytest
from moonset.config import Config, load_config, resolve_background_path
class TestLoadConfig:
"""Tests for TOML config loading."""
def test_returns_default_config_when_no_files_exist(self) -> None:
config = load_config(config_paths=[Path("/nonexistent")])
assert config.background_path is None
def test_reads_background_path_from_toml(self, tmp_path: Path) -> None:
conf = tmp_path / "moonset.toml"
conf.write_text('background_path = "/custom/wallpaper.jpg"\n')
config = load_config(config_paths=[conf])
assert config.background_path == "/custom/wallpaper.jpg"
def test_later_paths_override_earlier(self, tmp_path: Path) -> None:
conf1 = tmp_path / "first.toml"
conf1.write_text('background_path = "/first.jpg"\n')
conf2 = tmp_path / "second.toml"
conf2.write_text('background_path = "/second.jpg"\n')
config = load_config(config_paths=[conf1, conf2])
assert config.background_path == "/second.jpg"
def test_skips_missing_config_files(self, tmp_path: Path) -> None:
conf = tmp_path / "exists.toml"
conf.write_text('background_path = "/exists.jpg"\n')
config = load_config(config_paths=[Path("/nonexistent"), conf])
assert config.background_path == "/exists.jpg"
def test_default_config_has_none_background(self) -> None:
config = Config()
assert config.background_path is None
class TestResolveBackgroundPath:
"""Tests for wallpaper path resolution fallback hierarchy."""
def test_uses_config_path_when_file_exists(self, tmp_path: Path) -> None:
wallpaper = tmp_path / "custom.jpg"
wallpaper.touch()
config = Config(background_path=str(wallpaper))
assert resolve_background_path(config) == wallpaper
def test_ignores_config_path_when_file_missing(self, tmp_path: Path) -> None:
config = Config(background_path="/nonexistent/wallpaper.jpg")
# Falls through to system or package fallback
result = resolve_background_path(config)
assert result is not None
def test_uses_moonarch_wallpaper_as_second_fallback(self, tmp_path: Path) -> None:
moonarch_wp = tmp_path / "wallpaper.jpg"
moonarch_wp.touch()
config = Config(background_path=None)
with patch("moonset.config.MOONARCH_WALLPAPER", moonarch_wp):
assert resolve_background_path(config) == moonarch_wp
def test_uses_package_fallback_as_last_resort(self) -> None:
config = Config(background_path=None)
with patch("moonset.config.MOONARCH_WALLPAPER", Path("/nonexistent")):
result = resolve_background_path(config)
# Package fallback should always exist
assert result is not None

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# ABOUTME: Tests for locale detection and string lookup.
# ABOUTME: Verifies DE/EN string tables and locale fallback behavior.
from pathlib import Path
from unittest.mock import patch
from moonset.i18n import Strings, detect_locale, load_strings
class TestDetectLocale:
"""Tests for locale detection from environment and config files."""
@patch.dict("os.environ", {"LANG": "de_DE.UTF-8"})
def test_detects_german_from_env(self) -> None:
assert detect_locale() == "de"
@patch.dict("os.environ", {"LANG": "en_US.UTF-8"})
def test_detects_english_from_env(self) -> None:
assert detect_locale() == "en"
@patch.dict("os.environ", {"LANG": ""})
def test_reads_locale_conf_when_env_empty(self, tmp_path: Path) -> None:
conf = tmp_path / "locale.conf"
conf.write_text("LANG=de_DE.UTF-8\n")
assert detect_locale(locale_conf_path=conf) == "de"
@patch.dict("os.environ", {}, clear=True)
def test_reads_locale_conf_when_env_unset(self, tmp_path: Path) -> None:
conf = tmp_path / "locale.conf"
conf.write_text("LANG=en_GB.UTF-8\n")
assert detect_locale(locale_conf_path=conf) == "en"
@patch.dict("os.environ", {"LANG": "C"})
def test_c_locale_falls_back_to_english(self) -> None:
assert detect_locale() == "en"
@patch.dict("os.environ", {"LANG": "POSIX"})
def test_posix_locale_falls_back_to_english(self) -> None:
assert detect_locale() == "en"
@patch.dict("os.environ", {}, clear=True)
def test_missing_conf_falls_back_to_english(self) -> None:
assert detect_locale(locale_conf_path=Path("/nonexistent")) == "en"
@patch.dict("os.environ", {"LANG": "fr_FR.UTF-8"})
def test_detects_unsupported_locale(self) -> None:
assert detect_locale() == "fr"
class TestLoadStrings:
"""Tests for string table loading."""
def test_loads_german_strings(self) -> None:
strings = load_strings("de")
assert isinstance(strings, Strings)
assert strings.lock_label == "Sperren"
def test_loads_english_strings(self) -> None:
strings = load_strings("en")
assert isinstance(strings, Strings)
assert strings.lock_label == "Lock"
def test_unknown_locale_falls_back_to_english(self) -> None:
strings = load_strings("fr")
assert strings.lock_label == "Lock"
def test_all_string_fields_are_nonempty(self) -> None:
for locale in ("de", "en"):
strings = load_strings(locale)
for field_name in Strings.__dataclass_fields__:
value = getattr(strings, field_name)
assert value, f"{locale}: {field_name} is empty"
def test_confirm_yes_no_present(self) -> None:
strings = load_strings("de")
assert strings.confirm_yes == "Ja"
assert strings.confirm_no == "Abbrechen"
def test_error_messages_present(self) -> None:
strings = load_strings("en")
assert "failed" in strings.lock_failed.lower()
assert "failed" in strings.logout_failed.lower()
assert "failed" in strings.hibernate_failed.lower()
assert "failed" in strings.reboot_failed.lower()
assert "failed" in strings.shutdown_failed.lower()

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# ABOUTME: Integration tests for the moonset power menu.
# ABOUTME: Verifies that all modules work together correctly.
from pathlib import Path
from unittest.mock import patch
from moonset.config import Config, load_config, resolve_background_path
from moonset.i18n import Strings, load_strings
from moonset.panel import ACTION_DEFINITIONS, ActionDef
from moonset.power import POWER_TIMEOUT
class TestModuleIntegration:
"""Tests that verify modules work together."""
def test_action_defs_reference_valid_power_functions(self) -> None:
"""Each ActionDef references a function from power.py."""
from moonset import power
power_functions = {
power.lock, power.logout, power.hibernate,
power.reboot, power.shutdown,
}
for action_def in ACTION_DEFINITIONS:
assert action_def.action_fn in power_functions, (
f"{action_def.name} references unknown power function"
)
def test_action_defs_match_i18n_fields_de(self) -> None:
"""All label/error/confirm attrs in ActionDefs exist in DE strings."""
strings = load_strings("de")
for action_def in ACTION_DEFINITIONS:
assert hasattr(strings, action_def.label_attr)
assert hasattr(strings, action_def.error_attr)
if action_def.confirm_attr:
assert hasattr(strings, action_def.confirm_attr)
def test_action_defs_match_i18n_fields_en(self) -> None:
"""All label/error/confirm attrs in ActionDefs exist in EN strings."""
strings = load_strings("en")
for action_def in ACTION_DEFINITIONS:
assert hasattr(strings, action_def.label_attr)
assert hasattr(strings, action_def.error_attr)
if action_def.confirm_attr:
assert hasattr(strings, action_def.confirm_attr)
def test_config_defaults_produce_valid_background_path(self) -> None:
"""Default config resolves to an existing wallpaper file."""
config = Config()
path = resolve_background_path(config)
assert path.suffix in (".jpg", ".png", ".webp")
def test_full_config_to_strings_flow(self, tmp_path: Path) -> None:
"""Config loading and string loading work independently."""
conf = tmp_path / "moonset.toml"
conf.write_text('background_path = "/custom/path.jpg"\n')
config = load_config(config_paths=[conf])
assert config.background_path == "/custom/path.jpg"
strings = load_strings("de")
assert strings.lock_label == "Sperren"
@patch.dict("os.environ", {"LANG": "de_DE.UTF-8"})
def test_german_locale_produces_german_labels(self) -> None:
"""Full flow: German locale → German button labels."""
strings = load_strings()
for action_def in ACTION_DEFINITIONS:
label = action_def.get_label(strings)
assert label
# German labels should not be the English ones
en_strings = load_strings("en")
en_label = action_def.get_label(en_strings)
assert label != en_label, (
f"{action_def.name}: DE and EN labels are identical"
)

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# ABOUTME: Tests for the power menu panel UI module.
# ABOUTME: Verifies action button creation, confirmation flow, and dismiss behavior.
from unittest.mock import MagicMock, patch, PropertyMock
import subprocess
import pytest
from moonset.i18n import load_strings
from moonset.panel import (
ACTION_DEFINITIONS,
ActionDef,
)
class TestActionDefinitions:
"""Tests for action definition structure."""
def test_has_five_actions(self) -> None:
assert len(ACTION_DEFINITIONS) == 5
def test_action_order_by_destructiveness(self) -> None:
names = [a.name for a in ACTION_DEFINITIONS]
assert names == ["lock", "logout", "hibernate", "reboot", "shutdown"]
def test_lock_has_no_confirmation(self) -> None:
lock_def = ACTION_DEFINITIONS[0]
assert lock_def.name == "lock"
assert lock_def.needs_confirm is False
def test_destructive_actions_need_confirmation(self) -> None:
for action_def in ACTION_DEFINITIONS[1:]:
assert action_def.needs_confirm is True, (
f"{action_def.name} should need confirmation"
)
def test_all_actions_have_icon_names(self) -> None:
for action_def in ACTION_DEFINITIONS:
assert action_def.icon_name, f"{action_def.name} missing icon_name"
assert action_def.icon_name.endswith("-symbolic")
def test_all_actions_have_callable_functions(self) -> None:
for action_def in ACTION_DEFINITIONS:
assert callable(action_def.action_fn)
def test_action_labels_from_strings(self) -> None:
strings = load_strings("en")
for action_def in ACTION_DEFINITIONS:
label = action_def.get_label(strings)
assert label, f"{action_def.name} has empty label"
def test_action_error_messages_from_strings(self) -> None:
strings = load_strings("en")
for action_def in ACTION_DEFINITIONS:
error_msg = action_def.get_error_message(strings)
assert error_msg, f"{action_def.name} has empty error message"
def test_confirmable_actions_have_confirm_prompts(self) -> None:
strings = load_strings("en")
for action_def in ACTION_DEFINITIONS:
if action_def.needs_confirm:
prompt = action_def.get_confirm_prompt(strings)
assert prompt, f"{action_def.name} has empty confirm prompt"
def test_lock_confirm_prompt_is_none(self) -> None:
strings = load_strings("en")
lock_def = ACTION_DEFINITIONS[0]
assert lock_def.get_confirm_prompt(strings) is None

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# ABOUTME: Tests for power actions — lock, logout, hibernate, reboot, shutdown.
# ABOUTME: Uses mocking to avoid actually calling system commands.
import subprocess
from unittest.mock import patch
import pytest
from moonset.power import lock, logout, hibernate, reboot, shutdown, POWER_TIMEOUT
class TestLock:
"""Tests for the lock power action."""
@patch("moonset.power.subprocess.run")
def test_calls_moonlock(self, mock_run) -> None:
lock()
mock_run.assert_called_once_with(
["moonlock"], check=True, timeout=POWER_TIMEOUT
)
@patch("moonset.power.subprocess.run")
def test_raises_on_failure(self, mock_run) -> None:
mock_run.side_effect = subprocess.CalledProcessError(1, "loginctl")
with pytest.raises(subprocess.CalledProcessError):
lock()
@patch("moonset.power.subprocess.run")
def test_raises_on_timeout(self, mock_run) -> None:
mock_run.side_effect = subprocess.TimeoutExpired("loginctl", POWER_TIMEOUT)
with pytest.raises(subprocess.TimeoutExpired):
lock()
class TestLogout:
"""Tests for the logout power action."""
@patch("moonset.power.subprocess.run")
def test_calls_niri_quit(self, mock_run) -> None:
logout()
mock_run.assert_called_once_with(
["niri", "msg", "action", "quit"], check=True, timeout=POWER_TIMEOUT
)
@patch("moonset.power.subprocess.run")
def test_raises_on_failure(self, mock_run) -> None:
mock_run.side_effect = subprocess.CalledProcessError(1, "niri")
with pytest.raises(subprocess.CalledProcessError):
logout()
@patch("moonset.power.subprocess.run")
def test_raises_on_timeout(self, mock_run) -> None:
mock_run.side_effect = subprocess.TimeoutExpired("niri", POWER_TIMEOUT)
with pytest.raises(subprocess.TimeoutExpired):
logout()
class TestHibernate:
"""Tests for the hibernate power action."""
@patch("moonset.power.subprocess.run")
def test_calls_systemctl_hibernate(self, mock_run) -> None:
hibernate()
mock_run.assert_called_once_with(
["systemctl", "hibernate"], check=True, timeout=POWER_TIMEOUT
)
@patch("moonset.power.subprocess.run")
def test_raises_on_failure(self, mock_run) -> None:
mock_run.side_effect = subprocess.CalledProcessError(1, "systemctl")
with pytest.raises(subprocess.CalledProcessError):
hibernate()
@patch("moonset.power.subprocess.run")
def test_raises_on_timeout(self, mock_run) -> None:
mock_run.side_effect = subprocess.TimeoutExpired("systemctl", POWER_TIMEOUT)
with pytest.raises(subprocess.TimeoutExpired):
hibernate()
class TestReboot:
"""Tests for the reboot power action."""
@patch("moonset.power.subprocess.run")
def test_calls_loginctl_reboot(self, mock_run) -> None:
reboot()
mock_run.assert_called_once_with(
["loginctl", "reboot"], check=True, timeout=POWER_TIMEOUT
)
@patch("moonset.power.subprocess.run")
def test_raises_on_failure(self, mock_run) -> None:
mock_run.side_effect = subprocess.CalledProcessError(1, "loginctl")
with pytest.raises(subprocess.CalledProcessError):
reboot()
@patch("moonset.power.subprocess.run")
def test_raises_on_timeout(self, mock_run) -> None:
mock_run.side_effect = subprocess.TimeoutExpired("loginctl", POWER_TIMEOUT)
with pytest.raises(subprocess.TimeoutExpired):
reboot()
class TestShutdown:
"""Tests for the shutdown power action."""
@patch("moonset.power.subprocess.run")
def test_calls_loginctl_poweroff(self, mock_run) -> None:
shutdown()
mock_run.assert_called_once_with(
["loginctl", "poweroff"], check=True, timeout=POWER_TIMEOUT
)
@patch("moonset.power.subprocess.run")
def test_raises_on_failure(self, mock_run) -> None:
mock_run.side_effect = subprocess.CalledProcessError(1, "loginctl")
with pytest.raises(subprocess.CalledProcessError):
shutdown()
@patch("moonset.power.subprocess.run")
def test_raises_on_timeout(self, mock_run) -> None:
mock_run.side_effect = subprocess.TimeoutExpired("loginctl", POWER_TIMEOUT)
with pytest.raises(subprocess.TimeoutExpired):
shutdown()

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# ABOUTME: Tests for current user detection and avatar loading.
# ABOUTME: Verifies user info retrieval from the system.
from pathlib import Path
from unittest.mock import patch
from moonset.users import get_current_user, get_avatar_path, get_default_avatar_path, User
class TestGetCurrentUser:
"""Tests for current user detection."""
@patch("moonset.users.os.getuid", return_value=1000)
@patch("moonset.users.pwd.getpwuid")
def test_returns_user_with_correct_username(self, mock_pwd, mock_uid):
mock_pwd.return_value.pw_name = "testuser"
mock_pwd.return_value.pw_gecos = "Test User"
mock_pwd.return_value.pw_dir = "/home/testuser"
mock_pwd.return_value.pw_uid = 1000
user = get_current_user()
assert user.username == "testuser"
assert user.display_name == "Test User"
assert user.home == Path("/home/testuser")
mock_pwd.assert_called_once_with(1000)
@patch("moonset.users.os.getuid", return_value=1000)
@patch("moonset.users.pwd.getpwuid")
def test_empty_gecos_falls_back_to_username(self, mock_pwd, mock_uid):
mock_pwd.return_value.pw_name = "testuser"
mock_pwd.return_value.pw_gecos = ""
mock_pwd.return_value.pw_dir = "/home/testuser"
mock_pwd.return_value.pw_uid = 1000
user = get_current_user()
assert user.display_name == "testuser"
@patch("moonset.users.os.getuid", return_value=1000)
@patch("moonset.users.pwd.getpwuid")
def test_gecos_with_commas_uses_first_field(self, mock_pwd, mock_uid):
mock_pwd.return_value.pw_name = "testuser"
mock_pwd.return_value.pw_gecos = "Test User,,,Room 42"
mock_pwd.return_value.pw_dir = "/home/testuser"
mock_pwd.return_value.pw_uid = 1000
user = get_current_user()
assert user.display_name == "Test User"
class TestGetAvatarPath:
"""Tests for avatar path resolution."""
def test_returns_face_file_if_exists(self, tmp_path: Path):
face = tmp_path / ".face"
face.write_text("fake image")
path = get_avatar_path(tmp_path)
assert path == face
def test_returns_accountsservice_icon_if_exists(self, tmp_path: Path):
username = "testuser"
icons_dir = tmp_path / "icons"
icons_dir.mkdir()
icon = icons_dir / username
icon.write_text("fake image")
path = get_avatar_path(
tmp_path, username=username, accountsservice_dir=icons_dir
)
assert path == icon
def test_face_file_takes_priority_over_accountsservice(self, tmp_path: Path):
face = tmp_path / ".face"
face.write_text("fake image")
icons_dir = tmp_path / "icons"
icons_dir.mkdir()
icon = icons_dir / "testuser"
icon.write_text("fake image")
path = get_avatar_path(
tmp_path, username="testuser", accountsservice_dir=icons_dir
)
assert path == face
def test_returns_none_when_no_avatar(self, tmp_path: Path):
path = get_avatar_path(tmp_path)
assert path is None
class TestGetDefaultAvatarPath:
"""Tests for default avatar fallback."""
def test_default_avatar_exists(self):
"""The package default avatar must always be present."""
path = get_default_avatar_path()
assert path.is_file()
def test_default_avatar_is_svg(self):
"""The default avatar should be an SVG file."""
path = get_default_avatar_path()
assert path.suffix == ".svg"

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