dotfiles

commit 7274d19cb452264dbc6ccade4ed51c98df4bddbd
parent 7ec402f5893d54c58246ee63d8b50027cd6c260c
Author: Anders Damsgaard <anders@adamsgaard.dk>
Date:   Wed, 15 Jan 2020 10:34:42 +0100

Add script to fetch and parse lyrics

Diffstat:
A
.local/bin/lyrics
 | 
114
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 114 insertions(+), 0 deletions(-)
diff --git a/.local/bin/lyrics b/.local/bin/lyrics
@@ -0,0 +1,114 @@
+#!/bin/sh
+
+version=0.1.0
+
+show_help()
+{
+	echo "usage: ${0##*/} [OPTIONS] [[artist -] song]"
+	echo "fetches lyrics from lyricwiki."
+	echo
+	echo "OPTIONS are one or more of the following:"
+	echo "   -h, --help      show this message"
+	echo "   -v, --version   show version and license information"
+	echo "   -V, --verbose   show version and license information"
+	echo "   -m, --mpd       fetch lyrics for song currently playing on mpd"
+	echo "   --              do not consider any following args as options"
+}
+
+show_version()
+{
+	echo "${0##*/} version $version"
+	echo "Licensed under the ISC License"
+	echo "written by Anders Damsgaard, anders@adamsgaard.dk"
+	echo "https://src.adamsgaard.dk/dotfiles"
+}
+
+die()
+{
+	printf '%s: error: %s\n' "${0##*/}" "$1" >&2
+	exit 1
+}
+
+string_to_artist_and_song()
+{
+	artist="${1% - *}"
+	song="$(echo "$1" | sed 's/.* - //')"
+	if [ "$artist" = "$song" ]; then
+		artist=""
+	fi
+}
+
+fetch_lyrics_lyricwiki()
+{
+	local _a="$(echo "$1" | sed 's/ /_/g')"
+	local _s="$(echo "$2" | sed 's/ /_/g')"
+	local _url="$($fetcher "https://lyrics.fandom.com/api.php?fmt=json&func=getSong&artist=${_a}&song=${_s}" | \
+		grep "'url'" | sed "s/.*http:/https:/;s/'$//;s/wikia\.com/fandom.com\/wiki/" )"
+	if [ "$verbose" = 1 ]; then
+		echo "artist: $_a"
+		echo "song: $_s"
+		echo "lyricwiki url: $_url"
+	fi
+	$fetcher "$_url" | grep "class='lyricbox'" | w3m -dump -T text/html
+}
+
+fetch_lyrics()
+{
+	if [ "$backend" = "lyricwiki" ]; then
+		fetch_lyrics_lyricwiki "$1" "$2"
+	else
+		die "unknown backend: $backend"
+	fi
+}
+
+if command -v hurl >/dev/null 2>&1; then
+	fetcher=hurl
+elif command -v curl >/dev/null 2>&1; then
+	fetcher=curl
+else
+	die 'hurl or curl not installed'
+fi
+
+verbose=0
+mpd=0
+backend="lyricwiki"
+while :; do
+	case "$1" in
+		-h|-\?|--help)
+			show_help
+			exit 0
+			;;
+		-v|--version)
+			show_version
+			exit 0
+			;;
+		-V|--verbose)
+			verbose=1
+			;;
+		-m|--mpd)
+			mpd=1
+			;;
+		--) # end all options
+			shift
+			break
+			;;
+		-?*)
+			die 'unknown option specified'
+			;;
+		*)  # No more options
+			break
+	esac
+	shift
+done
+
+if [ "$mpd" = 1 ]; then
+	string_to_artist_and_song "$(mpc | head -1)"
+else
+	if [ $# -lt 1 ]; then
+		string_to_artist_and_song "$(cat)"
+	else
+		string_to_artist_and_song "$*"
+	fi
+fi
+
+fetch_lyrics "$artist" "$song"