Fetcher for Battery and Power status
Features outputs as JSON, simple output for status bar and notification-ready pretty formatting.
This commit is contained in:
John Mertz
parent
4d2fbf6254
commit
855d9ca492
GPG Key ID:
E9C5EA2D867501AB
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@ -0,0 +1,159 @@
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#!/usr/bin/perl
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my $output;
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my ($bar, $pretty) = (0, 0);
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if ( defined($ARGV[0]) && $ARGV[0] ne '-b' && $ARGV[0] ne '--bar' && $ARGV[0] ne '-p' && $ARGV[0] ne '--pretty' ) {
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print'
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pow.pl - Power Status Script
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Usage: pow.pl
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Prints information about all power devices as JSON.
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-p --pretty Display as human-readable
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-b --bar Waybar simplified output
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-h --help Display help. This is the only option.
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';
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exit();
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} elsif ($ARGV[0] eq '-b' || $ARGV[0] eq '--bar') {
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$bar = 1;
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} elsif ($ARGV[0] eq '-p' || $ARGV[0] eq '--pretty') {
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$pretty = 1;
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}
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my %battery_total = (
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'current' => 0,
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'max' => 0,
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'percentage' => 0
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);
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my @devices = <"/sys/class/power_supply/*">;
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$output .= "{";
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foreach (@devices) {
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my $path = $_;
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my $name = $_;
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$name =~ s/.*\///;
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$output .= '"' . $name . '":{';
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open(my $t,'<',"$_/type");
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my $type = <$t>;
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chomp $type;
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close $t;
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$output .= '"Type":"' . $type . '"';
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if ($name =~ /BAT[0-9]+/) {
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open(my $s,'<',"$_/status");
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my $status = <$s>;
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chomp $status;
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$output .= ',"Status":"' . $status . '"';
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} else {
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open(my $s,'<',"$_/online");
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my $status = <$s>;
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chomp $status;
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if ($status) {
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$status = "Plugged-In";
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} else {
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$status = "Unplugged";
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}
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$output .= ',"Status":"' . $status . '"';
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}
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close $s;
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if ($name =~ /BAT[0-9]+/) {
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open(my $m,'<',"$_/energy_full");
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my $max = <$m>;
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close $m;
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chomp $max;
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$battery_total{'max'} += $max;
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open(my $c,'<',"$_/energy_now");
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my $current = <$c>;
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chomp $current;
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#$current =~ s/\n//;
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$battery_total{'current'} += $current;
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close $c;
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$output .= ',"Current":"'
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. $current
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. '","Max":"'
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. $max
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. '","Percentage":"'
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. int($current/$max*100)
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. '"';
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}
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$output .= "},";
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}
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$battery_total{'percentage'} = sprintf("%0d",
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$battery_total{'current'} / $battery_total{'max'} * 100
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);
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$output .= '"Total":{"Current":"'
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. $battery_total{'current'}
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. '","Max":"'
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. $battery_total{'max'}
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. '","Percentage":"'
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. $battery_total{'percentage'}
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. '"}}';
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if ($bar) {
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use JSON::XS;
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my $json = JSON::XS->new();
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my $powref = $json->decode($output);
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my $icon;
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my $class = 'discharging';
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$output = '{"text": "' . $powref->{Total}->{Percentage} . '% ';
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if ($powref->{AC}->{Status} eq "Plugged-In") {
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$class = 'charging';
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$output .= "";
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} elsif ($powref->{Total}->{Percentage} le 10) {
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$class = 'critical';
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$output .= "";
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} elsif ($powref->{Total}->{Percentage} le 35) {
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$class = 'low';
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$output .= "";
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} elsif ($powref->{Total}->{Percentage} le 60) {
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$output .= "";
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} elsif ($powref->{Total}->{Percentage} le 85) {
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$output .= "";
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} else {
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$output .= "";
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}
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$output .= '", "tooltip": "' . $class . '", "class": "' . $class . '"}';
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} elsif ($pretty) {
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use JSON::XS;
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my $json = JSON::XS->new();
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my $powref = $json->decode($output);
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my $total = '';
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$output = "Device Status Percentage\n";
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foreach my $device (keys %{$powref}) {
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my $status;
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if ($powref->{$device}->{Status} eq "Plugged-In") {
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$status = "";
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} elsif (!defined($powref->{$device}->{Percentage}) || $powref->{$device}->{Percentage} == 0) {
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$status = " ";
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} elsif ($powref->{$device}->{Percentage} <= 10) {
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$status = " " . $powref->{$device}->{'Percentage'} . "%";
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} elsif ($powref->{$device}->{Percentage} <= 35) {
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$status = " " . $powref->{$device}->{'Percentage'} . "%";
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} elsif ($powref->{$device}->{Percentage} <= 60) {
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$status = " " . $powref->{$device}->{'Percentage'} . "%";
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} elsif ($powref->{$device}->{Percentage} <= 85) {
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$status = " " . $powref->{$device}->{'Percentage'} . "%";
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} else {
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$status = " " . $powref->{$device}->{'Percentage'} . "%";
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}
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if ($device eq 'Total') {
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$total .= sprintf("%-24s %-12s", $device, $status);
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} else {
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#$output .= sprintf("%".length($powref->{$device->{'Type'}})."s (%".length($powref->{$device->{'Type'}})."s): %3d\%\n", $device, $device->{'Type'}, $device->{'Percentage'});
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my $name = ' ('.$powref->{$device}->{'Type'}.')';
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if ((length($device)+length($name)) >= 24) {
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$name = substr($device, 0, (21-length($name))) . '...' . $name;
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} else {
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$name = substr(($device.$name), 0, 24);
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}
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$output .= sprintf("%-24s %-12s %-12s\n", $name, $powref->{$device}->{Status}, $status);
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}
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}
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$output .= $total;
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}
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print $output . "\n";
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exit();
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