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#!/usr/bin/env perl
# 10-azlyrics.pl: nncmpp info plugin to fetch song lyrics on AZLyrics
#
# Copyright (c) 2022, Přemysl Eric Janouch <p@janouch.name>
# SPDX-License-Identifier: 0BSD
#
# Inspired by a similar ncmpc plugin.
use warnings;
use strict;
use utf8;
use open ':std', ':utf8';
unless (@ARGV) {
print "Look up on AZLyrics\n";
exit;
}
use Encode;
my ($title, $artist, $album) = map {decode_utf8($_)} @ARGV;
# TODO: An upgrade would be transliteration with, e.g., Text::Unidecode.
use Unicode::Normalize;
$artist = lc(NFD($artist)) =~ s/^the\s+//ir =~ s/[^a-z0-9]//gr;
$title = lc(NFD($title)) =~ s/\(.*?\)//gr =~ s/[^a-z0-9]//gr;
# TODO: Consider caching the results in a location like
# $XDG_CACHE_HOME/nncmpp/info/azlyrics/$artist-$title
my $found = 0;
if ($title ne '') {
open(my $curl, '-|', 'curl', '-sA', 'nncmpp/2.0',
"https://www.azlyrics.com/lyrics/$artist/$title.html") or die $!;
while (<$curl>) {
next unless /^<div>/ .. /^<\/div>/; s/<!--.*?-->//g; s/\s+$//gs;
$found = 1;
s/<\/?b>/\x01/g; s/<\/?i>/\x02/g; s/<br>/\n/; s/<.+?>//g;
s/</</g; s/>/>/g; s/"/"/g; s/'/'/g; s/&/&/g;
print;
}
close($curl) or die $?;
}
print "No lyrics have been found.\n" unless $found;
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