用 Noctalia Shell 替代各种琐碎组件

This commit is contained in:
2026-05-19 20:19:28 +08:00
parent f1b8e14be3
commit bcc383a383
15 changed files with 127 additions and 265 deletions
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#!/usr/bin/env python
# SPDX-License-Identifier: CC0-1.0
# Copyright © 2021 mpan; <https://mpan.pl/>; CC0 1.0 (THIS SCRIPT!)
# Arch 论坛贴: <https://bbs.archlinux.org/viewtopic.php?id=269453>
# UPower 实现: https://github.com/wogscpar/upower-python
# -*- encoding: utf-8 -*-
# @File : .battery-warn
# @Time : 2025/12/29 00:32:53
# @Author : SilverAg.L
# 搁 bash 折腾管道还是太原始了。
# 包依赖 (pacman): python-dbus, libnotify, pipewire-audio
import dbus
from os import getenv
from subprocess import run as start_process
# region config
# 哪怕设备名也不稳定。pipewire 滚了几轮,桌面扬声器居然不见了。
# AUD_OUT_EMB = ( # my laptop embedded speaker
# "alsa_output.pci-0000_00_1f"
# ".3-platform-skl_hda_dsp_generic.HiFi__Speaker__sink"
# )
# 环境变量展开这一块。同时也是为了查找起来方便。毕竟已经有 gtklock 这个例外了。
AUD_FILE = "~/.local/share/.low_power.wav".replace("~", getenv("HOME"), 1)
# endregion config
class UPowerManager():
def __init__(self):
self.UPOWER_NAME = "org.freedesktop.UPower"
self.UPOWER_PATH = "/org/freedesktop/UPower"
self.DBUS_PROPERTIES = "org.freedesktop.DBus.Properties"
self.bus = dbus.SystemBus()
def __upower(self, subpath=None, *, interface=None):
if not subpath:
subpath = ""
upower_proxy = self.bus.get_object(
self.UPOWER_NAME,
self.UPOWER_PATH + subpath
)
if interface is None:
interface = self.UPOWER_NAME
return dbus.Interface(upower_proxy, interface)
def __device(self, devpath):
devproxy = self.bus.get_object(self.UPOWER_NAME, devpath)
return dbus.Interface(devproxy, self.DBUS_PROPERTIES)
def detect_devices(self):
return self.__upower().EnumerateDevices()
def get_display_device(self):
return self.__upower().GetDisplayDevice()
def get_critical_action(self):
return self.__upower().GetCriticalAction()
def get_device_info(self, dev, property):
return self.__device(dev).Get(
self.UPOWER_NAME + ".Device", property)
def get_full_device_info(self, dev):
return {
'HasHistory': self.get_device_info(dev, "HasHistory"),
'HasStatistics': self.get_device_info(dev, "HasStatistics"),
'IsPresent': self.get_device_info(dev, "IsPresent"),
'IsRechargeable': self.get_device_info(dev, "IsRechargeable"),
'Online': self.get_device_info(dev, "Online"),
'PowerSupply': self.get_device_info(dev, "PowerSupply"),
'Capacity': self.get_device_info(dev, "Capacity"),
'Energy': self.get_device_info(dev, "Energy"),
'EnergyEmpty': self.get_device_info(dev, "EnergyEmpty"),
'EnergyFull': self.get_device_info(dev, "EnergyFull"),
'EnergyFullDesign': self.get_device_info(dev, "EnergyFullDesign"),
'EnergyRate': self.get_device_info(dev, "EnergyRate"),
'Luminosity': self.get_device_info(dev, "Luminosity"),
'Percentage': self.get_device_info(dev, "Percentage"),
'Temperature': self.get_device_info(dev, "Temperature"),
'Voltage': self.get_device_info(dev, "Voltage"),
'TimeToEmpty': self.get_device_info(dev, "TimeToEmpty"),
'TimeToFull': self.get_device_info(dev, "TimeToFull"),
'IconName': self.get_device_info(dev, "IconName"),
'Model': self.get_device_info(dev, "Model"),
'NativePath': self.get_device_info(dev, "NativePath"),
'Serial': self.get_device_info(dev, "Serial"),
'Vendor': self.get_device_info(dev, "Vendor"),
'State': self.get_device_info(dev, "State"),
'Technology': self.get_device_info(dev, "Technology"),
'Type': self.get_device_info(dev, "Type"),
'WarningLevel': self.get_device_info(dev, "WarningLevel"),
'UpdateTime': self.get_device_info(dev, "UpdateTime")
}
def is_lid_present(self):
return bool(self.__upower(interface=self.DBUS_PROPERTIES).Get(
self.UPOWER_NAME, 'LidIsPresent'))
def is_lid_closed(self):
return bool(self.__upower(interface=self.DBUS_PROPERTIES).Get(
self.UPOWER_NAME, 'LidIsClosed'))
def on_battery(self):
return bool(self.__upower(interface=self.DBUS_PROPERTIES).Get(
self.UPOWER_NAME, 'OnBattery'))
def has_wakeup_capabilities(self):
return bool(self.__upower(
"/Wakeups",
interface=self.DBUS_PROPERTIES
).Get(self.UPOWER_NAME + '.Wakeups', 'HasCapability'))
def get_wakeups_data(self):
return self.__upower(
"/Wakeups",
interface=self.UPOWER_NAME + '.Wakeups'
).GetData()
def get_wakeups_total(self):
return self.__upower(
"/Wakeups",
interface=self.UPOWER_NAME + '.Wakeups'
).GetTotal()
def is_loading(self, battery):
return int(self.get_device_info(battery, "State")) == 1
def get_state(self, battery):
return {
0: "Unknown",
1: "Loading",
2: "Discharging",
3: "Empty",
4: "Fully charged",
5: "Pending charge",
6: "Pending discharge"
}.get(int(self.get_device_info(battery, "State")), "Unknown")
def is_supplying_battery(self, battery):
return (
int(self.get_device_info(battery, "Type")) == 2
and bool(self.get_device_info(battery, "PowerSupply"))
)
def push_notification(title, message, timeout=10000):
BUS_NAME = INTERFACE = "org.freedesktop.Notifications"
OBJECT_PATH = "/org/freedesktop/Notifications"
notify = dbus.Interface(
dbus.SessionBus().get_object(BUS_NAME, OBJECT_PATH),
INTERFACE
)
notify.Notify(
"battery-warn-script", # app_name
0, # replaces_id
"", # app_icon
title, # summary
message, # body
[], # actions
{}, # hints
timeout # expire_timeout
)
if __name__ == "__main__":
upowr = UPowerManager()
if not upowr.on_battery():
exit(0)
low_power_detected = False
for device in upowr.detect_devices():
if not upowr.is_supplying_battery(device):
continue
# seems waybar visual is 1% lower than actual.
if upowr.get_device_info(device, "Percentage") < 21:
bat_id = upowr.get_device_info(device, "NativePath")
push_notification(
"Power Hint",
f"{bat_id} is running out. Recharge soon!"
)
low_power_detected = True
if low_power_detected:
start_process([
"pw-play",
# f"--target={AUD_OUT_EMB}",
AUD_FILE
])
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#!/bin/bash
set -euo pipefail
THIS_COMMAND=$(basename "$0")
IMG_MAGICK="magick"
SERVICE_NAME="swaybg.service"
WP_DIR="${XDG_CACHE_HOME:-$HOME/.cache}"
WP_FILE="$WP_DIR/wallpaper"
BLUR_WP="$WP_DIR/wallpaper_blur"
usage() {
cat << EOF
Usage: $THIS_COMMAND [-d output_path] image1 image2 ...
Options:
-d, --dir OUTPUT_PATH Directory to store chosen image. (default: $WP_DIR)
-h, --help Show this help message and exit.
Notes:
- This script needs 'swaybg.service' to be set up for overview background support (unless awww #521 solved). See niri documentation for details.
- Web URLs are also supported (via 'curl' or 'wget' downloading).
- If multiple images are provided, one will be randomly picked each time the script is executed.
EOF
exit 1
}
# showing help shouldn't require any dependencies.
while [[ $# -gt 0 ]]; do
case "$1" in
-d|--dir)
if [[ $# -lt 2 ]]; then echo "Missing argument for $1"; usage; fi
WP_DIR="$2"; shift 2 ;;
-h|--help)
usage ;;
--)
shift; break ;;
-*)
echo "Unknown option: $1"; usage ;;
*)
break ;;
esac
done
if ! command -v awww >/dev/null 2>&1; then
echo "x) 'awww' not found. Unable to comply." >&2
exit 2
fi
if command -v magick >/dev/null 2>&1; then
IMG_MAGICK="magick"
elif command -v convert >/dev/null 2>&1; then
IMG_MAGICK="convert"
else
echo "x) 'magick' or 'convert' not found. Image processing unavailable." >&2
exit 2
fi
set_wallpaper() {
fsize=$($IMG_MAGICK identify -format "%w %h" -- "$1" 2>/dev/null) || {
echo "Invalid image file." >&2
exit 10
}
finput=$1
read -r fw fh <<< "$fsize"
(( fw > 3840 && fh > 2160 )) && {
finput=$(mktemp "${TMPDIR:-/tmp}/chbg.XXXXXXXX.webp")
trap 'rm -f "$finput"' EXIT
echo " -> image too large, resizing ..."
# echo "DEBUG: resized image at $finput"
$IMG_MAGICK "$1" -resize "3840x2160^" \
-quality 90 \
-define webp:method=6 \
-define webp:alpha-quality=100 "$finput"
}
echo -n " -> making blurred version of '${1##*/}' ... "
cp "$finput" "$WP_FILE"
$IMG_MAGICK "$WP_FILE" -filter Gaussian -blur 0x30 "$BLUR_WP"
echo "Done."
awww img "$WP_FILE" --transition-type=random
if [[ -f "$HOME/.config/systemd/user/niri.service.wants/$SERVICE_NAME" ]]; then
echo " -> restarting $SERVICE_NAME ..."
systemctl --user restart "$SERVICE_NAME"
else
echo " !) '$SERVICE_NAME' didn't loaded by niri. Won't reload backdrop." >&2
echo " => See niri documentation for setting up swaybg systemd unit." >&2
echo " => Or wait for awww #521 on codeberg being resolved." >&2
exit 1
fi
}
imagepool=()
lastresult=""
# Read from stdin if data is available
if [ ! -t 0 ]; then
while IFS= read -r line; do
imagepool+=("$line")
done
fi
# Read from positional arguments
for arg in "$@"; do
imagepool+=("$arg")
done
if [ ${#imagepool[@]} -eq 0 ]; then
echo "No images provided." >&2
exit 1
fi
mkdir -p -- "$WP_DIR" "/tmp/$USER"
if [ -f "/tmp/$USER/chbg.last-slide.log" ]; then
lastresult=$(cat "/tmp/$USER/chbg.last-slide.log")
fi
# Select a random image from the pool and set it as wallpaper
while : ; do
randomimage="${imagepool[RANDOM % ${#imagepool[@]}]}"
if [[ "$randomimage" == "http://"* || "$randomimage" == "https://"* ]]; then
break
fi
if [ "$randomimage" != "$lastresult" ] || [ ${#imagepool[@]} -eq 1 ]; then
echo "$randomimage" > "/tmp/$USER/chbg.last-slide.log"
break
fi
done
echo "Selected: $randomimage"
request_wallpaper() {
tmpfile=$(mktemp)
trap 'rm -f "$tmpfile"' EXIT
if command -v curl >/dev/null 2>&1; then
curl -sSL "$1" -o "$tmpfile"
elif command -v wget >/dev/null 2>&1; then
wget -qO "$tmpfile" "$1"
else
echo "x) Unable to fetch image without 'curl' or 'wget'." >&2
exit 2
fi
set_wallpaper "$tmpfile"
}
if [ -f "$randomimage" ]; then
set_wallpaper "$randomimage"
else
request_wallpaper "$randomimage"
fi