statusbar: rewrite to perl

1 files changed, 70 insertions, 88 deletions

diff --git a/bin/statusbar b/bin/statusbar
index f08db3e..66f0b49 100755
--- a/bin/statusbar
+++ b/bin/statusbar
@@ -1,89 +1,71 @@
-#!/usr/bin/env python3
+#!/usr/bin/env perl
+
+use 5.038;
+use utf8;
+
+use Time::Piece;
+
+sub span ($color, $text) {
+	return "<span foreground=\"$color\">$text</span>";
+}
+
+sub volume {
+	my ($volume) = `pactl get-sink-volume \@DEFAULT_SINK@` =~ /\s(\d+)%/;
+	chomp(my $mute = `pactl get-sink-mute \@DEFAULT_SINK@`);
+
+	my $symbol = '';
+	if ($mute eq 'Mute: yes') {
+		$symbol = '󰝟';
+	} elsif ($volume == 0) {
+		$symbol = '';
+	} elsif ($volume <= 50) {
+		$symbol = '';
+	}
+	return span('#ed8796', "$symbol $volume%");
+}
+
+sub network {
+	chomp(my $ssid = `iwgetid -r`);
+	my $symbol = $ssid ? '󰖩 ' : '󰖪 ';
+	return span('#f5a97f', "$symbol $ssid");
+}
+
+sub brightness {
+	my @brightness = split(/,/, `brightnessctl -m`);
+	return span('#eed49f', $brightness[3]);
+}
+
+sub battery {
+	open my $cap_file, '<', '/sys/class/power_supply/BAT0/capacity' or die;
+	open my $status_file, '<', '/sys/class/power_supply/BAT0/capacity' or die;
+	chomp(my $capacity = <$cap_file>);
+	chomp(my $status = <$status_file>);
+	close $status_file;
+	close $cap_file;
+	
+	my $symbol = '󰁹';
+	my $index = ($capacity - 1) / 10;
+	if ($status eq 'Discharging') {
+		my @symbols = (span('#ed8796', '󰂃'), '󰁻', '󰁼', '󰁽', '󰁾', '󰁿', '󰂀', '󰂁', '󰂂', '󰁹');
+		$symbol = $symbols[$index];
+	} elsif ($status eq 'Charging') {
+		my @symbols = ('󰢜', '󰂆', '󰂇', '󰂈', '󰢝', '󰂉', '󰢞', '󰂊', '󰂋', '󰂅');
+		$symbol = $symbols[$index];
+	} elsif ($status eq 'Full') {
+		$symbol = '󰂄';
+	}
+	return span('#a6da95', "$symbol $capacity%");
+}
+
+sub clock {
+	return span('#7dc4e4', ' ' . localtime()->strftime('%b %d %H:%M'));
+}
+
+while (1) {
+	my $status = join(' | ', volume, network, brightness, battery, clock);
+	$status = span('#cad3f5', $status);
+	say $status;
+	system('somebar', '-c', 'status', $status);
+	sleep 1;
+}
 
-import subprocess
-import time
-import traceback
-import re
-
-
-def span(color, *args):
-    return f'<span foreground="{color}">{" ".join(args)}</span>'
-
-
-def volume():
-    sink_info = subprocess.check_output(
-        ['pactl', 'get-sink-volume', '@DEFAULT_SINK@']).decode('utf-8')
-    volume = int(re.search('\s(\d+)%', sink_info).group(1))
-    mute = subprocess.check_output(
-        ['pactl', 'get-sink-mute', '@DEFAULT_SINK@']).decode('utf-8')
-
-    symbol = ''
-    if mute == 'Mute: yes':
-        symbol = '󰝟'
-    elif volume == 0:
-        symbol = ''
-    elif volume <= 50:
-        symbol = ''
-
-    return span('#ed8796', symbol, str(volume) + '%')
-
-
-def network():
-    ssid = subprocess.check_output(['iwgetid', '-r']).decode('utf-8').strip()
-    symbol = '󰖪 ' if ssid == '' else '󰖩 '
-    return span('#f5a97f', symbol, ssid)
-
-
-def brightness():
-    brightness = subprocess.check_output(['brightnessctl',
-                                          '-m']).decode('utf-8').split(',')[3]
-    return span('#eed49f', '', brightness)
-
-
-def battery():
-    with open('/sys/class/power_supply/BAT0/capacity', 'r') as file:
-        capacity = int(file.read())
-    with open('/sys/class/power_supply/BAT0/status', 'r') as file:
-        status = file.read().strip()
-
-    symbol = '󰁹'
-    index = (capacity - 1) // 10
-    if status == 'Discharging':
-        symbol = [
-            span('#ed8796', '󰂃'), '󰁻', '󰁼', '󰁽', '󰁾', '󰁿', '󰂀', '󰂁', '󰂂', '󰁹'
-        ][index]
-    elif status == 'Charging':
-        symbol = ['󰢜', '󰂆', '󰂇', '󰂈', '󰢝', '󰂉', '󰢞', '󰂊', '󰂋', '󰂅'][index]
-    elif status == 'Full':
-        symbol = '󰂄'
-    return span('#a6da95', symbol, str(capacity) + '%')
-
-
-def clock():
-    return span('#7dc4e4', '', time.strftime("%b %d %H:%M"))
-
-prev_vol = ''
-prev_br = ''
-prev = ''
-i = 0
-while True:
-    try:
-        vol = volume()
-        br = brightness()
-        if vol != prev_vol or br != prev_br:
-            i = 20
-        prev_vol = vol
-        prev_br = br
-        status = ' | '.join([vol, network(), br, battery(), clock()])
-        status = span('#cad3f5', status)
-        if status != prev:
-            subprocess.run(['somebar', '-c', 'status', status])
-        prev = status
-    except Exception as e:
-        print(''.join(traceback.format_exception(None, e, e.__traceback__)))
-
-    if i > 0:
-        time.sleep(0.05)
-        i -= 1
-    else:
-        time.sleep(0.5)