Add support for rtve.es/alacarta

This commit is contained in:
Jaime Marquínez Ferrándiz 2014-04-07 16:56:15 +02:00
parent 9afb76c5ad
commit 91a6addeeb
2 changed files with 85 additions and 0 deletions

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@ -208,6 +208,7 @@
from .roxwel import RoxwelIE from .roxwel import RoxwelIE
from .rtlnow import RTLnowIE from .rtlnow import RTLnowIE
from .rts import RTSIE from .rts import RTSIE
from .rtve import RTVEALaCartaIE
from .rutube import ( from .rutube import (
RutubeIE, RutubeIE,
RutubeChannelIE, RutubeChannelIE,

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@ -0,0 +1,84 @@
# encoding: utf-8
from __future__ import unicode_literals
import re
import base64
from .common import InfoExtractor
from ..utils import (
struct_unpack,
)
class RTVEALaCartaIE(InfoExtractor):
IE_NAME = 'rtve.es:alacarta'
IE_DESC = 'RTVE a la carta'
_VALID_URL = r'http://www\.rtve\.es/alacarta/videos/[^/]+/[^/]+/(?P<id>\d+)'
_TEST = {
'url': 'http://www.rtve.es/alacarta/videos/balonmano/o-swiss-cup-masculina-final-espana-suecia/2491869/',
'md5': '18fcd45965bdd076efdb12cd7f6d7b9e',
'info_dict': {
'id': '2491869',
'ext': 'mp4',
'title': 'Balonmano - Swiss Cup masculina. Final: España-Suecia',
},
}
def _decrypt_url(self, png):
encrypted_data = base64.b64decode(png)
text_index = encrypted_data.find(b'tEXt')
text_chunk = encrypted_data[text_index-4:]
length = struct_unpack('!I', text_chunk[:4])[0]
# Use bytearray to get integers when iterating in both python 2.x and 3.x
data = bytearray(text_chunk[8:8+length])
data = [chr(b) for b in data if b != 0]
hash_index = data.index('#')
alphabet_data = data[:hash_index]
url_data = data[hash_index+1:]
alphabet = []
e = 0
d = 0
for l in alphabet_data:
if d == 0:
alphabet.append(l)
d = e = (e + 1) % 4
else:
d -= 1
url = ''
f = 0
e = 3
b = 1
for letter in url_data:
if f == 0:
l = int(letter)*10
f = 1
else:
if e == 0:
l += int(letter)
url += alphabet[l]
e = (b + 3) % 4
f = 0
b += 1
else:
e -= 1
return url
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
info = self._download_json(
'http://www.rtve.es/api/videos/%s/config/alacarta_videos.json' % video_id,
video_id)['page']['items'][0]
png_url = 'http://www.rtve.es/ztnr/movil/thumbnail/default/videos/%s.png' % video_id
png = self._download_webpage(png_url, video_id, 'Downloading url information')
video_url = self._decrypt_url(png)
return {
'id': video_id,
'title': info['title'],
'url': video_url,
'thumbnail': info['image'],
}