jptgdp: Rename to ptgdp, move Music folder and use a symlink instead
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204
ptgdp
Executable file
204
ptgdp
Executable file
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#! /bin/bash
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#
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# ptgdp - Play the Goddamn Playlist
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# Copyright (C) 2019 Vintage Salt <rehashedsalt@cock.li>
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#
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# Distributed under terms of the MIT license.
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#
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# TODO:
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# * Provide integration with other players, like mpd
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# * Add a quick way to append to a playlist
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# Variables
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_name="$(basename -- "$0")"
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_tmpdir="${XDG_CACHE_HOME:-$HOME/.cache}/$_name"
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_tmpfile="$_tmpdir/tmpfile"
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_xdguserdirs="${XDG_CONFIG_HOME:-$HOME/.config}/user-dirs.dirs"
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[ -f "$_xdguserdirs" ] && source "$_xdguserdirs"
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_musicdir="${XDG_DATA_HOME:-$HOME/.local/share}/$_name"
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_musiclink="${XDG_MUSIC_DIR:-$HOME/Music}/PTGDP Songs"
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# Helper functions
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log() {
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[ -z "$1" ] && return 1
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printf "%s: %s\\n" \
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"$_name" \
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"$1"
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}
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error() {
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[ -z "$1" ] && return 1
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[ -z "$2" ] && return 2
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log "$1"
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exit "${2:-1}"
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}
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validatedeps() {
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for prog in "$@"; do
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if ! command -v "$prog" > /dev/null 2>&1; then
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_return="$prog"
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return 1
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fi
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done
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return 0
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}
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sanitize() {
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[ -z "$1" ] && return 1
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_return="${1//[^ a-zA-Z0-9\[\]|()_-]/}"
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}
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# Traps
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trapexit() {
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kill $(jobs -p) > /dev/null 2>&1
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[ -n "$_tmpdir" ] && rm "$_tmpfile"* > /dev/null 2>&1
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}
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# Critical functions
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clearcache() {
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[ -n "$_musicdir" ] && rm "$_musicdir"/* > /dev/null 2>&1
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log "Cache has been emptied"
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}
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helptext() {
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cat << EOF
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Usage: $_name [OPTION]
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Use youtube-dl and audacious to queue up a playlist given a file of only search
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queries. The first result found is the one that will be downloaded. Downloaded
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files are cached in your Music folder under "JPTGDP Songs" for offline use.
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-f <file> The playlist file to load. The file should be plaintext
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containing a YouTube search query on each line
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-c Clears the cache (which can become quite large)
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-d Download only; don't queue anything up
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Conflicts with -p
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-p Play the playlist after it is enqueued.
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Conflicts with -d
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-s Shuffle the playlist
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-r <directory> Start up rofi, if installed, and present a listing of
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all .gdp files in the given directory
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-h Print this help text
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Copyright (c) 2019 rehashedsalt@cock.li
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Licensed under the MIT license
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EOF
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}
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rofimenu() {
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validatedeps rofi || error "$_return is not currently installed" 1
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[ -d "$_optrofi" ] || error "Could not open directory \"$_optrofi\"" 2
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files=$(find "$_optrofi" -type f -name \*.gdp)
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if [ -n "$files" ]; then
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# Strip file suffixes for a cleaner menu
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playlists=""
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while read file; do
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filebase="$(basename -- "$file")"
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filebase="${filebase%.gdp}"
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[ -n "$playlists" ] && playlists+=$'\n'
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playlists+="$filebase"
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done <<< "$files"
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else
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error "No playlists found" 61
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fi
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choice="$(rofi -dmenu -i -p "$_name" <<< "$playlists")"
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[ -z "$choice" ] && error "User aborted at selection" 62
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playlist "$_optrofi"/"$choice".gdp
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return 0
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}
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playlist() {
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[ -z "$1" ] && return 1
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[ -f "$1" ] || error "Attempted to access non-file playlist \"$1\"" 50
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[ -r "$1" ] || error "Cannot read playlist \"$1\"" 51
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if ! [ -f "$_musicdir/.symlink" ]; then
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if ln -s "$_musicdir" "$_musiclink" > /dev/null 2>&1; then
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log "Made symlink to music directory"
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touch "$_musicdir/.symlink"
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else
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log "Failed to make symlink to music directory"
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log "Music can be found at \"$_musicdir\""
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fi
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fi
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while read line; do
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[ -z "$line" ] && continue
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rm "$_tmpfile"* > /dev/null 2>&1
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sanitize "$line"
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filename="$_musicdir/$_return"
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if ! [ -f "$filename" ]; then
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log "Finding a song for \"$line\""
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youtube-dl \
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--add-metadata \
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--audio-format "best" \
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--geo-bypass \
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--playlist-items 1 \
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-x \
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-o "$_tmpfile.%(ext)s" \
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ytsearch:"$line" \
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> /dev/null 2>&1 &
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if wait $!; then
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mv "$_tmpfile"* "$filename"
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else
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log "No results found for \"$line\""
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fi
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fi
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[ -z "$_optdownloadonly" ] && audacious -e "$filename"
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if [ -n "$_optautoplay" ]; then
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audacious -p
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unset _optautoplay
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fi
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done < <(if [ -n "$_optshuffle" ]; then shuf "$1"; else cat "$1"; fi)
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if [ -z "$_optdownloadonly" ]; then
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log "Finished building queue"
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else
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log "Finished downloading"
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fi
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}
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# Main
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main() {
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# Boostrapping and setup
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validatedeps youtube-dl basename || error "Critical dependency $_return was not met" 1
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mkdir -p "$_tmpdir"
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mkdir -p "$_musicdir"
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trap trapexit EXIT
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# Actual program stuff
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while getopts ":cdf:pr:sh" opt; do
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case $opt in
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c)
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clearcache
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exit $?
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;;
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d)
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_optdownloadonly=1
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;;
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f)
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_optfile="$OPTARG"
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;;
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p)
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_optautoplay=1
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;;
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r)
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_optrofi="$OPTARG"
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;;
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s)
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_optshuffle=1
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;;
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h)
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helptext
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exit $?
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;;
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:)
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error "Option requires argument: -$OPTARG" 2
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;;
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*)
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error "Invalid option: -$OPTARG" 2
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;;
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esac
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done
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[ -n "$_optfile" ] && [ -n "$_optrofi" ] && error "Flags -f and -r conflict" 2
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[ -n "$_optdownloadonly" ] && [ -n "$_optautoplay" ] && error "Flags -d and -p conflict" 2
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if [ -n "$_optrofi" ]; then rofimenu; exit $?; fi
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if [ -n "$_optfile" ]; then playlist "$_optfile"; exit $?; fi
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error "Nothing to do" 0
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}
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main "$@"
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