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add youku support

This commit is contained in:
dongmao zhang 2012-08-09 02:04:02 +08:00
parent a171dbfc27
commit 302efc19ea
2 changed files with 119 additions and 0 deletions

View file

@ -13,6 +13,8 @@ import urllib
import urllib2
import email.utils
import xml.etree.ElementTree
import random
import math
from urlparse import parse_qs
try:
@ -2955,3 +2957,119 @@ class MTVIE(InfoExtractor):
}
return [info]
class YoukuIE(InfoExtractor):
_VALID_URL = r'(?:http://)?v\.youku\.com/v_show/id_(?P<ID>[A-Za-z0-9]+)\.html'
IE_NAME = u'Youku'
def __init__(self, downloader=None):
InfoExtractor.__init__(self, downloader)
def report_download_webpage(self, file_id):
"""Report webpage download."""
self._downloader.to_screen(u'[Youku] %s: Downloading webpage' % file_id)
def report_extraction(self, file_id):
"""Report information extraction."""
self._downloader.to_screen(u'[Youku] %s: Extracting information' % file_id)
def _gen_sid(self):
nowTime = int(time.time() * 1000)
random1 = random.randint(1000,1998)
random2 = random.randint(1000,9999)
return "%d%d%d" %(nowTime,random1,random2)
def _get_file_ID_mix_string(self, seed):
mixed = []
source = list("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ/\:._-1234567890")
seed = float(seed)
for i in range(len(source)):
seed = (seed * 211 + 30031 ) % 65536
index = math.floor(seed / 65536 * len(source) )
mixed.append(source[int(index)])
source.remove(source[int(index)])
#return ''.join(mixed)
return mixed
def _get_file_id(self, fileId, seed):
mixed = self._get_file_ID_mix_string(seed)
ids = fileId.split('*')
realId = []
for ch in ids:
if ch is not '':
realId.append(mixed[int(ch)])
return ''.join(realId)
def _gen_key(self, key1, key2):
pass
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
self._downloader.trouble(u'ERROR: invalid URL: %s' % url)
return
video_id = mobj.group('ID')
info_url = 'http://v.youku.com/player/getPlayList/VideoIDS/' + video_id
print info_url
request = urllib2.Request(info_url, None, std_headers)
try:
self.report_download_webpage(video_id)
jsondata = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error) as err:
self._downloader.trouble(u'ERROR: Unable to retrieve video webpage: %s' % str(err))
return
self.report_extraction(video_id)
try:
config = json.loads(jsondata)
video_title = config['data'][0]['title']
seed = config['data'][0]['seed']
#choose format flv first
format = 'flv'
fileid = config['data'][0]['streamfileids'][format]
seg_number = len(config['data'][0]['segs'][format])
keys=[]
for i in xrange(seg_number):
keys.append(config['data'][0]['segs'][format][i]['k'])
#TODO check error
#youku only could be viewed from mainland china
except:
self._downloader.trouble(u'ERROR: unable to extract info section')
return
files_info=[]
sid = self._gen_sid()
fileid = self._get_file_id(fileid, seed)
#column 8,9 of fileid represent the segment number
#fileid[7:9] should be changed
for index, key in enumerate(keys):
temp_fileid = '%s%02x%s' % (fileid[0:8], index, fileid[10:])
download_url = 'http://f.youku.com/player/getFlvPath/sid/%s_%02x/st/flv/fileid/%s?k=%s' % (sid, index, temp_fileid, key)
print download_url
info = {
'id': '%s_part%02x' % (video_id, index),
'url': download_url,
'uploader': None,
'title': '%s_part%02x' % (video_title, index),
'ext': u'flv',
'format': u'NA'
}
files_info.append(info)
return files_info
# vim: tabstop=4 shiftwidth=4 softtabstop=4 noexpandtab

View file

@ -351,6 +351,7 @@ def gen_extractors():
MixcloudIE(),
StanfordOpenClassroomIE(),
MTVIE(),
YoukuIE(),
GenericIE()
]