870 lines
18 KiB
Bash
870 lines
18 KiB
Bash
#/bin/sh
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########################################
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# name: ytlib.sh
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# desc: library for shelltube (`yt`)
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# main: jadedctrl <jadedctrl@teknik.io>
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# code: git.eunichx.us/shelltube.git
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########################################
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# --------------------------------------
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# generic functions
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# STRING --> STRING
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# Return the first 'word' (space-delimiter) of a string.
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function car {
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local string="$1"
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echo "$string" \
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| awk '{print $1}'
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}
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# STRING --> STRING
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# Return all words after the first word of a string.
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function cdr {
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local string="$1"
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echo "$string" \
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| awk '{$1=""; print}' \
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| sed 's/^ //'
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}
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# NUMBER NUMBER --> NUMBER
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# Well, subtraction. Y'know...
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function subtract {
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local operated=$1
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local operatee=$2
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echo "${1}-${2}" \
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| bc
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}
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# STRING --> NUMBER
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# Count how many words are in a string.
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function length {
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local string="$1"
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echo "$string" \
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| wc -w
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}
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# STRING --> NUMBER
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# Count how many lines are in a string.
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function line_length {
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local string="$1"
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echo "$string" \
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| wc -l
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}
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# STRING --> NUMBER
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# Return the length of a string in chars.
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function char_length {
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local string="$1"
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subtract $(echo "$string" | wc -c) 1
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}
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# STRING NUMBER [STRING] --> STRING
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# pad string $1 out to the minimum length $2 with padding $3 (default: "0")
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function min_string_length {
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local length="$2"
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local string="$1"
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if test -z "$3"; then
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local padding="0"
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else
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local padding="$3"
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fi
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local new="$string"
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if test "$length" -le "$(char_length "$string")"; then
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echo "$string"
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else
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while test "$(char_length "$new")" -lt "$length"; do
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new="${new}${padding}"
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done
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echo "$new"
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fi
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}
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# STRING NUMBER --> STRING
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# get the first $2 characters in string $1
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function char_get {
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local number="$1"
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local string="$2"
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string="$(min_string_length "$string" $number " ")"
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echo "$string" \
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| grep -o "^$(min_string_length "." $number ".")"
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}
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# --------------------------------------
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# ansi colors and such
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# NIL --> STRING
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# Print an ANSI "unbold" escape string.
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function unbold {
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printf "$(tput sgr0)"
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}
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# STRING --> STRING
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# Print an ANSI "bold" escape string.
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function bold {
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printf "$(tput bold)"
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}
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# STRING --> STRING
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# Format a URL appropriately.
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function format_url {
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local url="$1"
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# playlist/playlist video
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if echo "$url" | grep -q "playlist?"; then
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echo "$url" \
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| sed 's%.*list=%%'
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# video
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else
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echo "$url"
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fi
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}
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# --------------------------------------
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# result parsing
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# (playlist items, search -items)
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# STRING --> STRING
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# Pass the raw search HTML, get raw video result-lines
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function result_lines {
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local search_html="$1"
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echo "$search_html" \
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| grep "<a href=\"\/watch?v=" \
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| grep -v "<span class=\"yt-thumb-simple\"" \
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| sed 's/|//g'
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#| grep -v "<a href=\"/playlist" \
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}
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# STRING --> STRING
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# Return the video ID of a result_line.
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function result_id {
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local result_line="$1"
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if echo "$result_line" | grep -q "playlist-item"; then
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echo "$result_line" \
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| sed 's%.*?list=%%' \
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| sed 's%".*%%'
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elif echo "$result_line" | grep -q "data-title"; then
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echo "$result_line" \
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| sed 's%.* data-video-id="%%' \
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| sed 's%"><td class=".*%%' \
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| sed 's%".*%%'
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else
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echo "$result_line" \
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| sed 's%.*<a href="/watch?v=%%' \
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| sed 's%".*%%'
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fi
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}
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# STRING --> STRING
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# Return the URL of a result-line.
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function result_url {
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local result_line="$1"
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local id="$(result_id "$result_line")"
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# playlist ID
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if echo "$id" | grep -q "^PL"; then
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echo "https://youtube.com/playlist?list=${id}"
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# video ID
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else # search result
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echo "https://youtube.com/watch?v=${id}"
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fi
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}
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# STRING --> STRING
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# Return the title of a result-line.
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function result_title {
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local result_line="$1"
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# playlist video
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if echo "$result_line" | grep -q "data-title"; then
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echo "$result_line" \
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| sed 's%.*data-title="%%' \
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| sed 's%" data-video-id.*%%' \
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| sed 's%".*%%'
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# video
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else
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echo "$result_line" \
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| sed 's%.*" title="%%' \
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| sed 's%".*%%'
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fi
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}
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# STRING --> STRING
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# Return the duration of a result-line.
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function result_duration {
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local result_line="$1"
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# playlist
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if echo "$result_line" | grep -q "playlist-item"; then
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echo "$result_line" \
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| sed 's%.*View full playlist (%%' \
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| sed 's% videos.*%%' \
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| sed 's%$%v%'
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# playlist video
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elif echo "$result_line" | grep -q "data-title"; then
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echo "00:00"
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# video
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else
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echo "$result_line" \
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| sed 's%.*> - Duration: %%' \
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| sed 's%\..*%%'
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fi
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}
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# STRING --> STRING
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# Return the channel of a result-line.
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function result_channel {
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local result_line="$1"
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# playlist
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if echo "$result_line" | grep -q "playlist-item"; then
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# playlist with /user/
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if echo "$result_line" | grep -q "/user/"; then
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echo "$result_line" \
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| sed 's%.*/user/%%' \
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| sed 's%</a>.*%%' \
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| sed 's%.*>%%'
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# playlist with /channel/
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else
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echo "$result_line" \
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| sed 's%.*/channel/%%' \
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| sed 's%</a>.*%%' \
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| sed 's%.*>%%'
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fi
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# playlist video
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elif echo "$result_line" | grep -q "data-title"; then
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echo "Someone, bby <3"
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# video
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else
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# video with /channel/
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if echo "$result_line" | grep -q "/channel/"; then
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echo "$result_line" \
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| sed 's%.*href="/channel/%%' \
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| sed 's%</a>.*%%' \
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| sed 's%.*" >%%'
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# video with /user/
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elif echo "$result_line" | grep -q "/user/"; then
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echo "$result_line" \
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| sed 's%.*href="/user/%%' \
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| sed 's%".*%%'
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fi
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fi
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}
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# STRING --> STRING
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# Return the .yt-lockup-meta-info <ul> of a result-line
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function result_meta_ul {
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local result_line="$1"
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echo "$result_line" \
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| sed 's%.*<ul class="yt-lockup-meta-info">%%' \
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| sed 's%</ul>.*%%'
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}
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# STRING --> STRING
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# Return the "Uploaded..." string of a result-line
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function result_uploaded {
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local result_line="$1"
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local result_meta_ul="$(result_meta_ul "$result_line")"
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# playlist
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if echo "$result_line" | grep -q "playlist-item"; then
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echo "Sometime"
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# playlist video
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elif echo "$result_line" | grep -q "data-title"; then
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echo "Sometime"
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# video
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else
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echo "$result_meta_ul" \
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| sed 's%<li>%%' \
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| sed 's% ago</li>.*%%'
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fi
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}
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# STRING --> NUMBER
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# Return the view-count of a result-line
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function result_views {
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local result_line="$1"
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local result_meta_ul="$(result_meta_ul "$result_line")"
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echo "$result_meta_ul" \
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| sed 's%.*<li>%%g' \
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| sed 's% views</li>.*%%' \
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| sed 's%,%%g'
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}
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# STRING --> STRING
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# Return a result's formatted URL
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function result_formatted_url {
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local result_line="$1"
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format_url "$(result_url "$result_line")"
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}
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# --------------------------------------
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# STRING --> STRING
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# Format a result-line into a mediumly-pretty, one-line string~
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function result_format_compact {
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local result_line="$1"
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local title="$(result_title "$result_line")"
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local format_title="$(bold)$(char_get 40 "$title")$(unbold)"
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local id="$(result_id "$result_line")"
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echo "$format_title | $id"
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}
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# STRING --> STRING
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# Format a result-line into a mediumly-pretty, one-line string~
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function result_format_small {
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local result_line="$1"
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local title="$(result_title "$result_line")"
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local url="$(result_formatted_url "$result_line")"
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local format_title="$(bold)$(char_get 40 "$title")$(unbold)"
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echo "$format_title | $url"
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}
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# STRING --> STRING
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# Format a result-line into a mediumly-pretty, one-line string~
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function result_format_medium {
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local result_line="$1"
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local title="$(result_title "$result_line")"
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local duration="$(result_duration "$result_line")"
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local url="$(result_formatted_url "$result_line")"
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local format_title="$(bold)$(char_get 40 "$title")$(unbold)"
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local format_duration="$(char_get 5 "$duration")"
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echo "$format_title | $format_duration | $url"
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}
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# STRING --> STRING
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# Format a result-line into a pretty string~
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function result_format_big {
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local result_line="$1"
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local title="$(result_title "$result_line")"
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local duration="$(result_duration "$result_line")"
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local uploaded="$(result_uploaded "$result_line")"
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local channel="$(result_channel "$result_line")"
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local url="$(result_formatted_url "$result_line")"
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local format_title="$(bold)$(char_get 79 "$title")$(unbold)"
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local format_duration="$(char_get 7 "$duration")"
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local format_uploaded="$(char_get 8 "$uploaded")"
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local format_channel="$(char_get 15 "$channel")"
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echo "$format_title"
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echo "$format_duration | $format_uploaded | $format_channel | $url"
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}
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# --------------------------------------
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# playlist metadata
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# STRING --> STRING
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# Get the title of a playlist, from HTML.
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function playlist_title {
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local html="$1"
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video_title "$html"
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}
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# STRING --> STRING
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# Get the video-count of a playlist, from HTML.
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function playlist_duration {
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local html="$1"
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playlist_header_details "$html" \
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| sed 's%.*</a></li>%%' \
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| sed 's%</li>.*%%' \
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| sed 's%<li>%%'
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}
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# STRING --> STRING
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# Get the view-count of a playlist, from HTML.
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function playlist_views {
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local html="$1"
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playlist_header_details "$html" \
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| sed 's%.*</a></li>%%' \
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| sed 's%</li><li>Last.*%%' \
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| sed 's%.*</li><li>%%' \
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| sed 's% views%%' \
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| sed 's%,%%'
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}
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# STRING --> STRING
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# Get the uploaded date of a playlist, from HTML.
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function playlist_uploaded {
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local html="$1"
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playlist_header_details "$html" \
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| sed 's%.*</a></li>%%' \
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| sed 's%.*</li><li>%%' \
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| sed 's%Last updated on %%' \
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| sed 's%</li>.*%%'
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}
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# STRING --> STRING
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# Get the author name of a playlist, from HTML.
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function playlist_author_name {
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local html="$1"
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playlist_header_details "$html" \
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| sed 's%</li><li>.*%%' \
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| sed 's%.* >%%' \
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| sed 's%</.*%%'
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}
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# STRING --> STRING
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# Get the author URL of a playlist, from HTML.
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function playlist_author_url {
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local html="$1"
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local author_name="$(playlist_author_name "$html")"
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playlist_header_details "$html" \
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| sed 's%'"$author_name"'.*%%' \
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| sed 's%.*href="%%' \
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| sed 's%".*%%' \
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| sed 's%^%https://youtube.com%'
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}
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# STRING --> STRING
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# Return the metadata header for playlist HTML
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function playlist_header_details {
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local html="$1"
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echo "$html" \
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| grep "pl-header-details"
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}
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# --------------------------------------
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# video metadata
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# STRING --> STRING
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# Get the description of a YT video, from HTML.
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function video_desc {
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local html="$1"
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echo "$html" \
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| grep "action-panel-details" \
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| sed 's/.*<p .*class="" >//' \
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| sed 's%</p>.*%%' \
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| lynx -stdin -dump \
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| sed 's/^ //'
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}
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# STRING --> STRING
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# Get the views of a YT video, from HTML.
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function video_views {
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local html="$1"
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echo "$html" \
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| grep "watch-view-count" \
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| sed 's/.*"watch-view-count">//' \
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| sed 's/ views.*//' \
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| sed 's/,//g'
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}
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# STRING --> STRING
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# Get the uploader's name of a YT video, from HTML.
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function video_author_name {
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local html="$1"
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echo "$html" \
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| grep "\"name\": " \
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| sed 's/.*"name": "//' \
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| sed 's/".*//'
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}
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# STRING --> STRING
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# Get the URL to a video uploader's channel, from HTML
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function video_author_url {
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local html="$1"
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local author_name="$(video_author_name "$html")"
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local relative_url="$(echo "$html" \
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| grep "$author_name" \
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| grep "channel" \
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| grep "href" \
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| sed 's%.*="/%/%' \
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| sed 's/".*//')"
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echo "https://youtube.com${relative_url}"
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}
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# STRING --> STRING
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# Get the title of a video, from HTML.
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function video_title {
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local html="$1"
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echo "$html" \
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| grep "meta name=\"title\"" \
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| sed 's/.*content="//' \
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| sed 's/".*//' \
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| sed 's/ - Youtube//'
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}
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# --------------------------------------
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# STRING STRING --> STRING
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# Display results from a string of result_lines and a format-option
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function results_display {
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local result_lines="$1"
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local format="$2"
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IFS='
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'
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for result in $result_lines; do
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case "$format" in
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"compact") result_format_compact "$result" ;;
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"small") result_format_small "$result" ;;
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"medium") result_format_medium "$result" ;;
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"big") result_format_big "$result" ;;
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esac
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done
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}
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# --------------------------------------
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# playlist usage
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# Print playlist usage.
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function playlist_list_usage {
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echo "usage: yt playlist --list [-csmb] url/id"
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exit 2
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}
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# Print playlist usage.
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function playlist_search_usage {
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echo "usage: yt playlist --search [-csmb] search_query"
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exit 2
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}
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# Print playlist usage.
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function playlist_views_usage {
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echo "usage: yt playlist --views url/id"
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exit 2
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}
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# Print playlist usage.
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function playlist_author_usage {
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echo "usage: yt playlist --author [-un] url/id"
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exit 2
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}
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# Print playlist usage.
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function playlist_date_usage {
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echo "usage: yt playlist --date url/id"
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exit 2
|
|
}
|
|
|
|
# Print playlist usage.
|
|
function playlist_title_usage {
|
|
echo "usage: yt playlist --title url/id"
|
|
exit 2
|
|
}
|
|
|
|
|
|
|
|
# --------------------------------------
|
|
# playlist invocation
|
|
|
|
# Invoke the playlist --list command
|
|
function playlist_list_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then playlist_list_usage; fi
|
|
|
|
if test -n "$2"; then
|
|
local url="$2"
|
|
case "$1" in
|
|
"-c") local format="compact" ;;
|
|
"-s") local format="small" ;;
|
|
"-m") local format="medium" ;;
|
|
"-b") local format="big" ;;
|
|
esac
|
|
else
|
|
local url="$1"
|
|
local format="big"
|
|
fi
|
|
|
|
if echo "$url" | grep -qv "youtube.com"; then
|
|
url="https://www.youtube.com/playlist?list=${url}"
|
|
fi
|
|
|
|
playlist_html="$(gendl "$url")"
|
|
result_lines="$(result_lines "$playlist_html")"
|
|
|
|
results_display "$result_lines" "$format"
|
|
}
|
|
|
|
# Invoke the playlist --search command
|
|
function playlist_search_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then playlist_search_usage; fi
|
|
|
|
if test -n "$2"; then
|
|
local query="$2"
|
|
case "$1" in
|
|
"-c") local format="compact" ;;
|
|
"-s") local format="small" ;;
|
|
"-m") local format="medium" ;;
|
|
"-b") local format="big" ;;
|
|
esac
|
|
else
|
|
local query="$1"
|
|
local format="big"
|
|
fi
|
|
|
|
query="$(echo "$query" | sed 's/ /+/g')"
|
|
|
|
local search_url="https://youtube.com/results?search_query=${query}"
|
|
search_url="${search_url}&sp=EgIQAw%253D%253D"
|
|
|
|
local search_html="$(gendl "$search_url")"
|
|
local result_lines="$(result_lines "$search_html")"
|
|
|
|
results_display "$result_lines" "$format"
|
|
}
|
|
|
|
# Invoke playlist --title
|
|
function playlist_title_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then playlist_title_usage; fi
|
|
|
|
local url="$1"
|
|
|
|
playlist_title "$(gendl "$url")"
|
|
}
|
|
|
|
# Invoke playlist --desc
|
|
function playlist_desc_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then playlist_desc_usage; fi
|
|
|
|
if echo "$1" | grep "youtube" > /dev/null; then URL="$1"
|
|
else
|
|
URL="https://www.youtube.com/playlist?list=${1}"
|
|
fi
|
|
|
|
playlist_desc "$(gendl "$URL")"
|
|
}
|
|
|
|
# Invoke playlist --views
|
|
function playlist_views_invocation {
|
|
case "$1" in
|
|
"-h") playlist_views_usage ;;
|
|
"--help")
|
|
playlist_views_usage ;;
|
|
*youtube*)
|
|
local url="$1" ;;
|
|
*) local url="https://www.youtube.com/playlist?list=${1}" ;;
|
|
esac
|
|
|
|
playlist_views "$(gendl "$url")"
|
|
}
|
|
|
|
# Invoke playlist --date
|
|
function playlist_uploaded_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then playlist_date_usage; fi
|
|
|
|
if echo "$1" | grep "youtube" > /dev/null; then URL="$1"
|
|
else
|
|
URL="https://www.youtube.com/playlist?list=${1}"
|
|
fi
|
|
|
|
playlist_uploaded "$(gendl "$URL")"
|
|
}
|
|
|
|
# Invoke playlist --author
|
|
function playlist_author_invocation {
|
|
case "$1" in
|
|
"--help")
|
|
playlist_author_usage ;;
|
|
"-h") playlist_author_usage ;;
|
|
"-u") view="url"
|
|
url="$2"
|
|
;;
|
|
"-n") view="name"
|
|
url="$2"
|
|
;;
|
|
*) view="both"
|
|
url="$1"
|
|
;;
|
|
esac
|
|
|
|
if echo "$url" | grep -qv "youtube"; then
|
|
url="https://www.youtube.com/playlist?list=${1}"
|
|
fi
|
|
|
|
html="$(gendl "$url")"
|
|
|
|
case "$view" in
|
|
"url") playlist_author_url "$html" ;;
|
|
"name") playlist_author_name "$html" ;;
|
|
"both") echo "$(playlist_author_name "$html")"
|
|
echo "$(playlist_author_url "$html")"
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# --------------------------------------
|
|
# video usage
|
|
|
|
# Print video --search usage
|
|
function video_search_usage {
|
|
echo "usage: yt video --search [-csmb] query"
|
|
exit 2
|
|
}
|
|
|
|
# Print video --desc usage
|
|
function video_desc_usage {
|
|
echo "usage: yt video --desc url/id"
|
|
exit 2
|
|
}
|
|
|
|
# Print video --views usage
|
|
function video_views_usage {
|
|
echo "usage: yt video --views url/id"
|
|
exit 2
|
|
}
|
|
|
|
# Print video --author usage
|
|
function video_author_usage {
|
|
echo "usage: yt video --author [-un] url/id"
|
|
exit 2
|
|
}
|
|
|
|
|
|
|
|
# --------------------------------------
|
|
# video invocation
|
|
|
|
# Invoke video --search
|
|
function video_search_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then video_search_usage; fi
|
|
|
|
if test -n "$2"; then
|
|
local query="$2"
|
|
case "$1" in
|
|
"-c") local format="compact" ;;
|
|
"-s") local format="small" ;;
|
|
"-m") local format="medium" ;;
|
|
"-b") local format="big" ;;
|
|
esac
|
|
else
|
|
local query="$1"
|
|
local format="big"
|
|
fi
|
|
|
|
query="$(echo "$query" | sed 's/ /+/g')"
|
|
|
|
local search_url="https://youtube.com/results?search_query=${query}"
|
|
search_url="${search_url}&sp=EgIQAQ%253D%253D"
|
|
|
|
local search_html="$(gendl "$search_url")"
|
|
local result_lines="$(result_lines "$search_html")"
|
|
|
|
results_display "$result_lines" "$format"
|
|
}
|
|
|
|
# Invoke video --title
|
|
function video_title_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then video_title_usage; fi
|
|
|
|
local url="$1"
|
|
|
|
video_title "$(gendl "$url")"
|
|
}
|
|
|
|
# Invoke video --desc
|
|
function video_desc_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then video_desc_usage; fi
|
|
|
|
if echo "$1" | grep "youtube" > /dev/null; then URL="$1"
|
|
else
|
|
URL="https://www.youtube.com/watch?v=${1}"
|
|
fi
|
|
|
|
video_desc "$(gendl "$URL")"
|
|
}
|
|
|
|
# Invoke video --date
|
|
function video_uploaded_invocation {
|
|
if test "$1" = "-h" -o "$1" = "--help"; then video_date_usage; fi
|
|
|
|
if echo "$1" | grep "youtube" > /dev/null; then URL="$1"
|
|
else
|
|
URL="https://www.youtube.com/watch?v=${1}"
|
|
fi
|
|
|
|
video_uploaded "$(gendl "$URL")"
|
|
}
|
|
|
|
# Invoke video --views
|
|
function video_views_invocation {
|
|
case "$1" in
|
|
"-h") video_views_usage ;;
|
|
"--help")
|
|
video_views_usage ;;
|
|
*youtube*)
|
|
local url="$1" ;;
|
|
*) local url="https://www.youtube.com/watch?v=${1}" ;;
|
|
esac
|
|
|
|
video_views "$(gendl "$url")"
|
|
}
|
|
|
|
# Invoke video --author
|
|
function video_author_invocation {
|
|
case "$1" in
|
|
"--help")
|
|
video_author_usage ;;
|
|
"-h") video_author_usage ;;
|
|
"-u") view="url"
|
|
url="$2"
|
|
;;
|
|
"-n") view="name"
|
|
url="$2"
|
|
;;
|
|
*) view="both"
|
|
url="$1"
|
|
;;
|
|
esac
|
|
|
|
if echo "$url" | grep -qv "youtube"; then
|
|
url="https://www.youtube.com/watch?v=${1}"
|
|
fi
|
|
|
|
html="$(gendl "$url")"
|
|
|
|
case "$view" in
|
|
"url") video_author_url "$html" ;;
|
|
"name") video_author_name "$html" ;;
|
|
"both") echo "$(video_author_name "$html")"
|
|
echo "$(video_author_url "$html")"
|
|
;;
|
|
esac
|
|
}
|