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{ lib, runCommand, writeText, python3, libnotify, sfttime }:
let
name = "display-infos-0.1.0";
script = writeText (name + "-script") ''
#!@python3@
import sys
import glob
import subprocess as sub
import os.path as path
import statistics as st
def readint(fn):
with open(fn, 'r') as f:
return int(f.read())
full = 0
now = 0
for bat in glob.iglob("/sys/class/power_supply/BAT*"):
full += readint(path.join(bat, "energy_full"))
now += readint(path.join(bat, "energy_now" ))
bat = round( now/full, 2 )
ac = "🗲" if readint("/sys/class/power_supply/AC/online") else ""
date = sub.run(["date", "+%d.%m. %a %T"], stdout=sub.PIPE).stdout.strip().decode()
sfttime = sub.run(["${sfttime}/bin/sfttime"], stdout=sub.PIPE).stdout.strip().decode()
notify = "BAT: {}% {} | {} | {}".format(int(bat*100), ac, date, sfttime)
sub.run(["@notify-send@", notify])
'';
in
with lib; runCommand "display-infos" {
meta.description = "Script to display time & battery";
} ''
substitute ${script} script \
--replace "@python3@" "${getBin python3}/bin/python3" \
--replace "@notify-send@" "${getBin libnotify}/bin/notify-send"
install -D script $out/bin/display-infos
''
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