Readded support for svt urls.

[svtplaydump.git] / svtplaydump.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#   (C) Copyright 2010 Mikael Frykholm <mikael@frykholm.com>
#
#   This program 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.
#   
#   This program 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 this program.  If not, see <http://www.gnu.org/licenses/>
#
# Changelog:
# 0.4 added mirror mode.
# 0.3 added apple streaming playlist parsing and decryption
# 0.2 added python 2.4 urlparse compatibility
# 0.1 initial release

from BeautifulSoup import BeautifulSoup
from subprocess import *
import re
import json
from Crypto.Cipher import AES
import struct
import argparse
import feedparser 
try:
    import urlparse
except ImportError:
    pass
import urllib2
try:
    import urllib2.urlparse as urlparse
except ImportError:
    pass
import sys, os

def main(url, title):
    """
    Try to scrape the site for video and download. 
    """
    if not url.startswith('http'):
        url = "http://www.svtplay.se" + url
    video = {}
    page = urllib2.urlopen(url).read()
    soup = BeautifulSoup(page,convertEntities=BeautifulSoup.HTML_ENTITIES)
    video_player = soup.body('a',{'data-json-href':True})[0]
    if video_player.attrMap['data-json-href'].startswith("/wd"):
        flashvars = json.loads(urllib2.urlopen("http://www.svt.se/%s"%video_player.attrMap['data-json-href']).read())
    else:    
        flashvars = json.loads(urllib2.urlopen("http://www.svtplay.se/%s"%video_player.attrMap['data-json-href']+"?output=json").read())
    video['duration'] = video_player.attrMap.get('data-length',0)
    video['title'] = title
    if not title:
        video['title'] = soup.find('meta',{'property':'og:title'}).attrMap['content'].replace('|','_').replace('/','_')
    if 'dynamicStreams' in flashvars:
        video['url'] = flashvars['dynamicStreams'][0].split('url:')[1].split('.mp4,')[0] +'.mp4'
        filename = video['title']+".mp4"
        print Popen(["rtmpdump",u"-o"+filename,"-r", url], stdout=PIPE).communicate()[0]
    if 'pathflv' in flashvars:
        rtmp = flashvars['pathflv'][0]
        filename = video['title']+".flv"
        print Popen(["mplayer","-dumpstream","-dumpfile",filename, rtmp], stdout=PIPE).communicate()[0]
    if 'video' in flashvars:
        for reference in flashvars['video']['videoReferences']:
            if reference['url'].endswith("m3u8"):
                video['url']=reference['url']
                video['filename'] = video['title']+'.ts'
                if 'statistics' in flashvars:
                    video['category'] = flashvars['statistics']['category']
        download_from_playlist(video)
    else:
        print "Could not find any streams"
        return
    return video

def download_from_playlist(video):
    playlist = parse_playlist(urllib2.urlopen(video['url']).read())
    videourl = sorted(playlist, key=lambda k: int(k['BANDWIDTH']))[-1]['url']
    segments, metadata = parse_segment_playlist(urllib2.urlopen(videourl).read())
    if "EXT-X-KEY" in metadata:
        key = urllib2.urlopen(metadata["EXT-X-KEY"]['URI'].strip('"')).read()
        decrypt=True
    else:
        decrypt=False
    with open("%s"%video['filename'],"w") as ofile:
        segment=0
        size = 0
        for url in segments:
            ufile = urllib2.urlopen(url)
            print "\r{} MB".format(size/1024/1024),
            sys.stdout.flush()
            if decrypt:
                iv=struct.pack("IIII",segment,0,0,0)
                decryptor = AES.new(key, AES.MODE_CBC, iv)
            while(True):
                buf = ufile.read(1024)
                if buf:
                    if decrypt:
                        buf = decryptor.decrypt(buf)
                    ofile.write(buf)
                    size += len(buf)
                else:
                    ufile.close()
                    break
            segment += 1

def parse_playlist(playlist):
    if not playlist.startswith("#EXTM3U"):
        print playlist
        return False
    playlist = playlist.splitlines()[1:]
    items=[]
    for (metadata_string,url) in zip(playlist[0::2], playlist[1::2]):
        md = dict()
        assert 'EXT-X-STREAM-INF' in metadata_string.split(':')[0]
        for item in metadata_string.split(':')[1].split(','):
            if '=' in item:
                md.update([item.split('='),]) 
        md['url']=url
        items.append(md)
    return items 

def parse_segment_playlist(playlist):
    assert playlist.startswith("#EXTM3U")
    PATTERN = re.compile(r'''((?:[^,"']|"[^"]*"|'[^']*')+)''')
    segments = []
    next_is_url=False
    metadata = {}
    for row in playlist.splitlines():
        if next_is_url:
            segments.append(row)
            next_is_url=False
            continue
        if 'EXTINF' in row:
            next_is_url=True
        if "EXT-X-KEY" in row:
             row = row.split(':',1)[1] #skip first part
             parts = PATTERN.split(row)[1:-1] #do magic re split and keep quotes
             metadata["EXT-X-KEY"] = dict([part.split('=',1) for part in parts if '=' in part]) #throw away the commas and make dict of the pairs
    return(segments, metadata)   
def parse_videolist():
    page = urllib2.urlopen("http://www.svtplay.se/ajax/videos?antal=100").read()
    soup = BeautifulSoup(page,convertEntities=BeautifulSoup.HTML_ENTITIES)
    videos = []
    for article in soup.findAll('article'):
        meta = dict(article.attrs)
        video = {}
        video['title'] = meta['data-title']
        video['description'] = meta['data-description']
        video['url'] = dict(article.find('a').attrs)['href']
        videos.append(video)
    return videos

if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    group = parser.add_mutually_exclusive_group(required=True)
    group.add_argument("-r", "--rss", help="Download all files in rss")
    group.add_argument("-u", "--url", help="Download video in url")
    group.add_argument("-m", "--mirror", help="Mirror all files", action="store_true")
    args = parser.parse_args()
    if args.rss: 
        d = feedparser.parse(args.url)
        for e in d.entries:
            print("Downloading: %s"%e.title)
            filename = main(e.link, e.title)
            print Popen(["avconv","-i",filename,"-vcodec","copy","-acodec","copy", filename+'.mkv'], stdout=PIPE).communicate()[0]
        #print(e.description)
    if args.mirror:
        for video in parse_videolist():
            video['title'] = video['title'].replace('/','_')
            print video['title']+'.mkv',
            if os.path.exists(video['title']+'.mkv'):
                print "Skipping" 
                continue
            print("Downloading...")
            ret = main(video['url'], video['title'])
            print ret
            print Popen(["avconv","-i",video['title']+'.ts',"-vcodec","copy","-acodec","copy", video['title']+'.mkv'], stdout=PIPE).communicate()[0]
            try:
                os.unlink(video['title']+'.ts')
            except:
                import pdb;pdb.set_trace()
    else:
        video = main(args.url, None)
        print("Downloaded {}".format(video['title']))