southpark-de-downloader/southpark-downloader.sh

246 lines
7.0 KiB
Bash
Executable File

#!/usr/bin/env bash
# Resolve executable directory
DIR="$(dirname "$(readlink -e "$0")")"
source "$DIR/config.sh"
# Turn paths into absolute ones if they aren't already. Will be necessary since we'll change directories later.
[ ! "${CACHEDIR::1}" = "/" ] &&
CACHEDIR="$DIR/$CACHEDIR"
[ ! "${OUTDIR::1}" = "/" ] &&
OUTDIR="$DIR/$OUTDIR"
[ ! "${YOUTUBE_DL::1}" = "/" ] &&
YOUTUBE_DL="$DIR/$YOUTUBE_DL"
[ ! -e "$OUTDIR" ] && mkdir -p "$OUTDIR"
[ ! -e "$CACHEDIR" ] && mkdir -p "$CACHEDIR"
p_info() {
echo -e "\e[32m>>> $@\e[m"
}
p_error() {
echo -e "\e[1;31m>>> $@\e[m"
}
usage() {
echo "Usage:"
echo " $(basename "$0") [OPTIONS] -a - Download all episodes"
echo " $(basename "$0") [OPTIONS] -s <season> - Download all episodes of the specified season"
echo " $(basename "$0") [OPTIONS] -s <season> -e <episode> - Download the specified episode"
echo " $(basename "$0") -h - Show help page"
echo "Options:"
echo " -p - Show progress (default)"
echo " -P - Hide progress"
echo " -E - Download episodes in English (default)"
echo " -D - Download episodes in German"
echo " -u - Update episode index (default)"
echo " -U - Skip episode index update"
echo " -d - Dry run: don't download, just print out URLs"
}
unset OPT_SEASON OPT_EPISODE OPT_ALL OPT_EN OPT_LANG OPT_PROGRESS OPT_UPDATE_INDEX OPT_UPDATE_INDEX_EXPLICIT OPT_DRY
OPT_LANG="EN"
OPT_PROGRESS=true
OPT_UPDATE_INDEX=true
while getopts "pPEDuUdas:e:h" arg; do
case "$arg" in
h)
usage
exit 0
;;
s)
OPT_SEASON="$OPTARG"
;;
e)
OPT_EPISODE="$OPTARG"
;;
a)
OPT_ALL=true
;;
E)
OPT_LANG="EN"
;;
D)
OPT_LANG="DE"
;;
p)
OPT_PROGRESS=true
;;
P)
unset OPT_PROGRESS
echo hi
;;
u)
OPT_UPDATE_INDEX=true
OPT_UPDATE_INDEX_EXPLICIT=true
;;
U)
unset OPT_UPDATE_INDEX
;;
d)
OPT_DRY=true
;;
?)
usage
exit 1
;;
esac
done
if [ "$OPT_LANG" = "DE" ]; then
INDEX_FILENAME="$CACHEDIR/_episode_index_DE_"
INDEX_INITIAL_URL="https://www.southpark.de/folgen/940f8z/south-park-cartman-und-die-analsonde-staffel-1-ep-1"
REGEX_EPISODE_URL="\"/folgen/[0-9a-z]\+/south-park-[0-9a-z-]\+-staffel-[0-9]\+-ep-[0-9]\+\""
elif [ "$OPT_LANG" = "EN" ]; then
INDEX_FILENAME="$CACHEDIR/_episode_index_EN_"
INDEX_INITIAL_URL="https://www.southpark.de/en/episodes/940f8z/south-park-cartman-gets-an-anal-probe-season-1-ep-1"
REGEX_EPISODE_URL="\"/en/episodes/[0-9a-z]\+/south-park-[0-9a-z-]\+-season-[0-9]\+-ep-[0-9]\+\""
fi
update_index() {
[ ! -e "$INDEX_FILENAME" ] && echo "$INDEX_INITIAL_URL" > "$INDEX_FILENAME"
echo -ne "\e[32m>>> Updating episode index\e[m"
while true; do
local URL="$(tail -n1 "$INDEX_FILENAME")"
local NEWURLS="$(curl -s "$URL" | grep -o "$REGEX_EPISODE_URL" | tr -d "\"" | sed -E "s/^/https:\/\/www.southpark.de/g")"
[ "$URL" = "$(printf "$NEWURLS" | tail -n1)" ] && break
echo "$NEWURLS" >> "$INDEX_FILENAME"
echo -ne "\e[32m.\e[m"
done
# The awk command removes duplicate lines
local NEW_INDEX="$(awk '!x[$0]++' "$INDEX_FILENAME")"
printf "$NEW_INDEX" > "$INDEX_FILENAME"
echo
}
# Returns all episode URLs in the specified season
get_season() {
local SEASON_NUMBER="$1"
grep "\-${SEASON_NUMBER}-ep-[0-9]\+$" "$INDEX_FILENAME"
}
# Returns the URL of the specified episode
get_episode() {
local SEASON_NUMBER="$1"
local EPISODE_NUMBER="$2"
grep "\-${SEASON_NUMBER}-ep-${EPISODE_NUMBER}$" "$INDEX_FILENAME"
}
get_num_seasons() {
# Effectively searches, how many "episode 1s" there are in the index
grep "\-[0-9]\+-ep-1$" "$INDEX_FILENAME" | wc -l
}
# Returns the number of episodes in the specified season
get_num_episodes() {
local SEASON_NUMBER="$1"
get_season "$SEASON_NUMBER" | wc -l
}
tmp_cleanup() {
p_info "Cleaning up temporary files"
rm -rf "$TMPDIR"
}
# Monitors size of downloaded video files; takes temp folder as arg
monitor_progress() {
local TMP_DIR="$1"
while true; do
[ ! -e "$TMP_DIR" ] && break
printf " Downloaded: %s\r" "$(du -bB M "$TMP_DIR" | cut -f1)"
sleep 0.5
done
}
download_interrupt() {
p_info "User interrupt received"
tmp_cleanup
exit 0
}
merge_interrupt() {
p_info "User interrupt received"
tmp_cleanup
p_info "Cleaning up corrupted output file"
rm -rf "$1"
exit 0
}
# Takes season and episode number as arguments
download_episode() {
local SEASON_NUMBER="$1"
local EPISODE_NUMBER="$2"
local OUTFILE="${OUTDIR}/South_Park_S${SEASON_NUMBER}_E${EPISODE_NUMBER}_${OPT_LANG}.mp4"
[ -e "$OUTFILE" ] && echo "Already downloaded Season ${SEASON_NUMBER} Episode ${EPISODE_NUMBER}" && return
local URL="$(get_episode "$SEASON_NUMBER" "$EPISODE_NUMBER")"
[ -z "$URL" ] && echo "Unable to download Season ${SEASON_NUMBER} Episode ${EPISODE_NUMBER}; skipping" && return
p_info "Downloading Season $SEASON_NUMBER Episode $EPISODE_NUMBER ($URL)"
if [ -z "$OPT_DRY" ]; then
trap download_interrupt SIGINT
TMPDIR="$(mktemp -d "/tmp/southparkdownloader.XXXXXXXXXX")"
[ -n "$OPT_PROGRESS" ] && monitor_progress "$TMPDIR"&
pushd "$TMPDIR" > /dev/null
if ! "$YOUTUBE_DL" "$URL" 2>/dev/null | grep --line-buffered "^\[download\]" | grep -v --line-buffered "^\[download\] Destination:"; then
p_info "possible youtube-dl \e[1;31mERROR\e[m"
tmp_cleanup
exit 1
fi
echo "[download] Merging video files"
trap "merge_interrupt \"$OUTFILE\"" SIGINT
# Remove all single quotes and dashes from video files, as they cause problems
for i in ./*.mp4; do mv -n "$i" "$(echo $i | tr -d \'-)"; done
# Find all video files and write them into the list
printf "file '%s'\n" ./*.mp4 > list.txt
# Merge video files
ffmpeg -safe 0 -f concat -i "list.txt" -c copy "$OUTFILE" 2>/dev/null
popd > /dev/null
trap - SIGINT
fi
tmp_cleanup
}
# Takes season number as an argument
download_season() {
local SEASON_NUMBER="$1"
local NUM_EPISODES="$(get_num_episodes "$SEASON_NUMBER")"
for i in $(seq "$NUM_EPISODES"); do
download_episode "$SEASON_NUMBER" "$i"
done
}
download_all() {
local NUM_SEASONS="$(get_num_seasons)"
for i in $(seq "$NUM_SEASONS"); do
download_season "$i"
done
}
if [ -n "$OPT_SEASON" ]; then
[ -n "$OPT_UPDATE_INDEX" ] && update_index
[ -z "$(get_season $OPT_SEASON)" ] &&
p_error "Unable to find Season $OPT_SEASON" &&
exit 1
if [ -n "$OPT_EPISODE" ]; then
[ -z "$(get_episode $OPT_SEASON $OPT_EPISODE)" ] &&
p_error "Unable to find Season $OPT_SEASON Episode $OPT_EPISODE" &&
exit 1
p_info "Going to download Season $OPT_SEASON Episode $OPT_EPISODE"
download_episode "$OPT_SEASON" "$OPT_EPISODE"
else
p_info "Going to download Season $OPT_SEASON"
download_season "$OPT_SEASON"
fi
elif [ -n "$OPT_ALL" ]; then
[ -n "$OPT_UPDATE_INDEX" ] && update_index
p_info "Going to download ALL episodes"
download_all
elif [ -n "$OPT_UPDATE_INDEX_EXPLICIT" ] && [ -n "$OPT_UPDATE_INDEX" ]; then
update_index
else
usage
exit 1
fi