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#!/usr/bin/env bash
PATH=$PATH:$(nix-build '<nixpkgs>' -A wget)/bin
PATH=$PATH:$(nix-build '<nixpkgs>' -A libxslt.bin)/bin
# Copyright (C) 2010-2015 Christophe Delord
# http://www.cdsoft.fr/pod
#
# pod.sh is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# pod.sh is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with pod.sh. If not, see <http://www.gnu.org/licenses/>.
# Original idea: BashPodder (http://lincgeek.org/bashpodder/)
# audio and video directories
PODCASTS=~/Podcasts
AUDIO=Audio
VIDEO=Video
# Default tempo factor for mp3 files
TEMPO=1 # listen podcasts 1.5 x faster
# Database containing the already downloaded URLs
DB=~/.poddb
# Temporary files
PARTIAL=/tmp/.pod
# Get on screen notifications
NOTIFICATION=true
# The configuration file defines the URL of the RSS feeds.
CONF=$PARTIAL/pod.conf
mkdir -p $(dirname $CONF)
cat <<EOF >$CONF
# podcast name tempo[^1] URL
SkepticsGuide http://www.theskepticsguide.org/feed
#[1]: if tempo is not defined, $TEMPO is used as the default tempo
#01netTV http://feeds.feedburner.com/LaChaineTechno?format=xml
#12_Min http://feeds.feedburner.com/12minutesdemp3
#56Kast http://www.liberation.fr/podcast/40/
#AppLoad http://feeds2.feedburner.com/appload
##Apprendre_l_anglais http://www.anglaispod.com/apprendre.xml
##Atelier_Numérique http://podcast.bfmradio.fr/channel9/BFMchannel9.xml
#Bazingcast http://feeds.feedburner.com/bazingcast_mp3
#Ciel_et_Espace http://www.cieletespaceradio.fr/podcast.php
#CONTINENT_SCIENCES http://radiofrance-podcast.net/podcast09/rss_16256.xml
##Deconnecast http://www.deconnecast.fr/feed/
#De_quoi_je_me_mail http://podcast.rmc.fr/channel35/RMCInfochannel35.xml
#Divergence_Numérique http://podcasts.divergence-fm.org/divergencenumerique.xml
##En_Flux_Libre http://enfluxlibre.tuxfamily.org/?feed=rss2
#En_quête_de_science http://www.europe1.fr/podcasts/en-quete-de-science.xml
#FSPod http://rss.futura-sciences.com/fs/podcast
#Indesciences http://feeds.soundcloud.com/users/soundcloud:users:59221717/sounds.rss
#Info_sciences http://radiofrance-podcast.net/podcast09/rss_11074.xml
#La_folle_histoire_de_l_Univers http://www.florenceporcel.com/podcast/lfhdu.xml
#La_Grotte_Du_Barbu http://feeds.feedburner.com/lagrottedubarbu/bPUL
#LA_MARCHE_DES_SCIENCES http://radiofrance-podcast.net/podcast09/rss_11193.xml
#L_apéro_du_Captain http://feeds.feedburner.com/LaperoDuCaptain
##La_revue_du_net http://www.europe1.fr/podcasts/c-est-pas-tres-net.xml
#La_science_en_question http://radiofrance-podcast.net/podcast09/rss_10336.xml
#La_tête_au_carré http://radiofrance-podcast.net/podcast09/rss_10212
##La_voix_du_libre-capsule http://feeds.feedburner.com/capsulemp3vdl?format=xml
##La_voix_du_libre-entrevue http://feeds.feedburner.com/entrevuesoggvdl?format=xml
##La_voix_du_libre http://feeds.feedburner.com/podcastoggvdl?format=xml
##Le_7-9 http://radiofrance-podcast.net/podcast09/rss_11992.xml
##Le_bruit_du_net http://radiofrance-podcast.net/podcast09/rss_11064.xml
#L_écho_des_Gnous http://www.chtinux.org/podcast/feed.xml
#L_éclectique_show http://feeds.feedburner.com/eclectiqueshow
#Le_rendez-vous_Tech http://feeds2.feedburner.com/lerendezvoustech
##Libre_FM http://s.libre.fm/podcast.rss
##L_innovation_du_jour http://cdn-new-europe1.ladmedia.fr/var/exports/podcasts/sound/Innovation.xml
#NipDev http://feeds.feedburner.com/NipDev
#NipLife http://feeds.feedburner.com/NiptechPodcastNiplife
#NipSource http://feeds.feedburner.com/NipcastNipsource
#NipTech http://feeds.feedburner.com/niptechpodcast/
#Nouveau_monde http://radiofrance-podcast.net/podcast09/rss_18998.xml
#nouvo http://nouvo.ch/feeds/videos
##Oh_La_Radio http://feeds.feedburner.com/OhLaRadio
#Parole_de_Tux http://www.captainposix.net/RSSPodcast/feeditunes.xml
#Podcast_Science http://feeds.feedburner.com/PodcastScience
##Random_Radio http://fz-corp.net/podcast/podcast.xml
##Revue_de_presque http://www.europe1.fr/podcasts/revue-de-presque.xml
#Sang_libre 1 http://libre.tuxakadjseb.net/?feed=rss2
#SCIENCE_PUBLIQUE http://radiofrance-podcast.net/podcast09/rss_10192.xml
##Symbiose http://www.dogmazic.net/radio/groupePod.php?f=mp3&usr=&groupe=Symbiose
##Un_jour_sur_la_toile http://radiofrance-podcast.net/podcast09/rss_10274.xml
#Vie_artificielle http://feeds.feedburner.com/vieartificielle
EOF
PARSE=$PARTIAL/parse_enclosure.xsl
mkdir -p $(dirname $PARSE)
cat <<EOF >$PARSE
<?xml version="1.0"?>
<stylesheet version="1.0"
xmlns="http://www.w3.org/1999/XSL/Transform">
<output method="text"/>
<template match="/">
<apply-templates select="/rss/channel/item/enclosure"/>
</template>
<template match="enclosure">
<value-of select="@url"/><text> </text>
</template>
</stylesheet>
EOF
mkdir -p $AUDIO
mkdir -p $VIDEO
echo "*** $(basename $0) ***"
LOCKFILE=$PARTIAL/lock
if [ -e $LOCKFILE ]
then
echo "$(basename $0) is already running..."
exit 1
fi
trap "rm -f $LOCKFILE; rm -rf $PARTIAL; exit" EXIT INT TERM
echo $$ > $LOCKFILE
mkdir -p $PODCASTS/$AUDIO
mkdir -p $PODCASTS/$VIDEO
cd $PODCASTS
mkdir -p $PARTIAL
# The database must exist. Create it empty otherwise.
touch $DB
# Wait for an internet connection
while ! wget -q --tries=10 --timeout=20 --spider http://google.com
do
sleep 60
done
# number of episodes downloaded
n=0
# Parse each line of the configuration file
cat $CONF | while read nom tempo podcast
do
case "$podcast" in
"") # 2 arguments => the tempo is not defined, let take the default tempo ($TEMPO)
podcast=$tempo; tempo=$TEMPO
;;
*) # 3 arguments => the tempo is defined for this podcast
;;
esac
case "$nom" in
"") # empty line => ignored
;;
\#*) # comment line => ignored
;;
*) # line with a podcast RSS feed => parse the RSS feed and download new episodes
echo "* parse $nom ($podcast)"
# get all episodes
file=$(xsltproc $PARSE $podcast 2> /dev/null || wget -T 60 -t 1 -q $podcast -O - | tr '\r' '\n' | tr \' \" | sed -n "s/></>\n</gp" | sed -n 's/.*url="\([^"]*\)".*/\1/p')
for url in $file
do
case "$url" in
(*.jpg|*.jpeg|*.png|*.JPG|*.JPEG|*.gif) # ignore images
;;
(*) # not an image, it may be something to watch or listen to
if ! grep -q "$url" $DB
then
# not in the database => new episode to download
echo "* $(basename $url)"
#echo "url = $url"
OUT=$nom-$(echo "$url" | awk -F'/' {'print $NF'} | awk -F'=' {'print $NF'} | awk -F'?' {'print $1'})
if wget -t 10 -c -q -O $PARTIAL/$OUT "$url"
then
NEW=$OUT
DATE=$(stat -c %y $PARTIAL/$OUT | sed 's/^..\(..\)-\(..\)-\(..\) \(..\):\(..\).*/\1\2\3\4\5/')
# Normalize the extension
NEW=${NEW/.MP3/.mp3}
NEW=${NEW/.MP4/.mp4}
# Speedup with the current tempo
case $NEW in
(*.mp4) # video are not accelerated
mv $PARTIAL/$OUT $PARTIAL/$DATE-$NEW
;;
(*.mp3) # audio is accelerated according to the selected tempo
case $tempo in
(1) # tempo = 1 => no acceleration
mv $PARTIAL/$OUT $PARTIAL/$DATE-$NEW
;;
(*) # tempo != 1 => acceleration
if (ffmpeg -i "$PARTIAL/$OUT" -filter:a "atempo=$tempo" -c:a libmp3lame -q:a 4 "$PARTIAL/$DATE-$NEW" > /dev/null 2> /dev/null)
then
touch -r "$PARTIAL/$OUT" "$PARTIAL/$DATE-$NEW"
else
rm -f "$PARTIAL/$DATE-$NEW"
fi
rm "$PARTIAL/$OUT"
;;
esac
;;
(*) # other file types are not accelerated
mv $PARTIAL/$OUT $PARTIAL/$DATE-$NEW
;;
esac
if [ -e $PARTIAL/$DATE-$NEW ]
then
# copy audio and video episodes in $AUDIO and $VIDEO
case $NEW in
(*.mp3|*.ogg) mv $PARTIAL/$DATE-$NEW $PODCASTS/$AUDIO/$DATE-$NEW ;;
(*) mv $PARTIAL/$DATE-$NEW $PODCASTS/$VIDEO/$DATE-$NEW ;;
esac
$NOTIFICATION && notify-send -c transfer.complete "$nom: new podcast" "$NEW"
echo $url >> $DB
n=$((n+1))
fi
fi
fi
;;
esac
done
;;
esac
done
# done => remove configuration files
rm -f $CONF $PARSE
if [ $n -gt 0 ]
then
[ $n -gt 1 ] && s="s" || s=""
$NOTIFICATION && notify-send -c transfer "Podcasts" "$n new episode$s downloaded"
fi
# remove lock and partially downloaded files, sleep for 2 hours and try again
rm -f $LOCKFILE
rm -rf $PARTIAL
echo "*** done ($(date)) ***"
# for some unexplained (yet) reasons, the main loop may be exited after some
# episodes are downloaded. As a workaround the script is restarted immediately
# when $n > 0 in case some new episodes were not downloaded.
# When every is done; we wait for 2 hours before restarting.
[ $n -gt 0 ] || sleep $((2*3600))
exec $0 $*
|
