youtube-dl/youtube_dl/extractor/vevo.py
2014-01-31 13:56:45 +01:00

133 lines
4.9 KiB
Python

from __future__ import unicode_literals
import re
import json
import xml.etree.ElementTree
import datetime
from .common import InfoExtractor
from ..utils import (
compat_HTTPError,
ExtractorError,
)
class VevoIE(InfoExtractor):
"""
Accepts urls from vevo.com or in the format 'vevo:{id}'
(currently used by MTVIE)
"""
_VALID_URL = r'''(?x)
(?:https?://www\.vevo\.com/watch/(?:[^/]+/[^/]+/)?|
https?://cache\.vevo\.com/m/html/embed\.html\?video=|
https?://videoplayer\.vevo\.com/embed/embedded\?videoId=|
vevo:)
(?P<id>[^&?#]+)'''
_TESTS = [{
'url': 'http://www.vevo.com/watch/hurts/somebody-to-die-for/GB1101300280',
'file': 'GB1101300280.mp4',
"md5": "06bea460acb744eab74a9d7dcb4bfd61",
'info_dict': {
"upload_date": "20130624",
"uploader": "Hurts",
"title": "Somebody to Die For",
"duration": 230.12,
"width": 1920,
"height": 1080,
}
}]
_SMIL_BASE_URL = 'http://smil.lvl3.vevo.com/'
def _formats_from_json(self, video_info):
last_version = {'version': -1}
for version in video_info['videoVersions']:
# These are the HTTP downloads, other types are for different manifests
if version['sourceType'] == 2:
if version['version'] > last_version['version']:
last_version = version
if last_version['version'] == -1:
raise ExtractorError('Unable to extract last version of the video')
renditions = xml.etree.ElementTree.fromstring(last_version['data'])
formats = []
# Already sorted from worst to best quality
for rend in renditions.findall('rendition'):
attr = rend.attrib
format_note = '%(videoCodec)s@%(videoBitrate)4sk, %(audioCodec)s@%(audioBitrate)3sk' % attr
formats.append({
'url': attr['url'],
'format_id': attr['name'],
'format_note': format_note,
'height': int(attr['frameheight']),
'width': int(attr['frameWidth']),
})
return formats
def _formats_from_smil(self, smil_xml):
formats = []
smil_doc = xml.etree.ElementTree.fromstring(smil_xml.encode('utf-8'))
els = smil_doc.findall('.//{http://www.w3.org/2001/SMIL20/Language}video')
for el in els:
src = el.attrib['src']
m = re.match(r'''(?xi)
(?P<ext>[a-z0-9]+):
(?P<path>
[/a-z0-9]+ # The directory and main part of the URL
_(?P<cbr>[0-9]+)k
_(?P<width>[0-9]+)x(?P<height>[0-9]+)
_(?P<vcodec>[a-z0-9]+)
_(?P<vbr>[0-9]+)
_(?P<acodec>[a-z0-9]+)
_(?P<abr>[0-9]+)
\.[a-z0-9]+ # File extension
)''', src)
if not m:
continue
format_url = self._SMIL_BASE_URL + m.group('path')
formats.append({
'url': format_url,
'format_id': 'SMIL_' + m.group('cbr'),
'vcodec': m.group('vcodec'),
'acodec': m.group('acodec'),
'vbr': int(m.group('vbr')),
'abr': int(m.group('abr')),
'ext': m.group('ext'),
'width': int(m.group('width')),
'height': int(m.group('height')),
})
return formats
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
json_url = 'http://videoplayer.vevo.com/VideoService/AuthenticateVideo?isrc=%s' % video_id
video_info = self._download_json(json_url, video_id)['video']
formats = self._formats_from_json(video_info)
try:
smil_url = '%s/Video/V2/VFILE/%s/%sr.smil' % (
self._SMIL_BASE_URL, video_id, video_id.lower())
smil_xml = self._download_webpage(smil_url, video_id,
'Downloading SMIL info')
formats.extend(self._formats_from_smil(smil_xml))
except ExtractorError as ee:
if not isinstance(ee.cause, compat_HTTPError):
raise
self._downloader.report_warning(
'Cannot download SMIL information, falling back to JSON ..')
timestamp_ms = int(self._search_regex(
r'/Date\((\d+)\)/', video_info['launchDate'], 'launch date'))
upload_date = datetime.datetime.fromtimestamp(timestamp_ms // 1000)
return {
'id': video_id,
'title': video_info['title'],
'formats': formats,
'thumbnail': video_info['imageUrl'],
'upload_date': upload_date.strftime('%Y%m%d'),
'uploader': video_info['mainArtists'][0]['artistName'],
'duration': video_info['duration'],
}