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youtube-dl/youtube_dl/extractor/turner.py
2018-07-21 19:08:28 +07:00

234 lines
9.8 KiB
Python

# coding: utf-8
from __future__ import unicode_literals
import re
from .adobepass import AdobePassIE
from ..compat import compat_str
from ..utils import (
xpath_text,
int_or_none,
determine_ext,
float_or_none,
parse_duration,
xpath_attr,
update_url_query,
ExtractorError,
strip_or_none,
url_or_none,
)
class TurnerBaseIE(AdobePassIE):
_AKAMAI_SPE_TOKEN_CACHE = {}
def _extract_timestamp(self, video_data):
return int_or_none(xpath_attr(video_data, 'dateCreated', 'uts'))
def _add_akamai_spe_token(self, tokenizer_src, video_url, content_id, ap_data, custom_tokenizer_query=None):
secure_path = self._search_regex(r'https?://[^/]+(.+/)', video_url, 'secure path') + '*'
token = self._AKAMAI_SPE_TOKEN_CACHE.get(secure_path)
if not token:
query = {
'path': secure_path,
}
if custom_tokenizer_query:
query.update(custom_tokenizer_query)
else:
query['videoId'] = content_id
if ap_data.get('auth_required'):
query['accessToken'] = self._extract_mvpd_auth(ap_data['url'], content_id, ap_data['site_name'], ap_data['site_name'])
auth = self._download_xml(
tokenizer_src, content_id, query=query)
error_msg = xpath_text(auth, 'error/msg')
if error_msg:
raise ExtractorError(error_msg, expected=True)
token = xpath_text(auth, 'token')
if not token:
return video_url
self._AKAMAI_SPE_TOKEN_CACHE[secure_path] = token
return video_url + '?hdnea=' + token
def _extract_cvp_info(self, data_src, video_id, path_data={}, ap_data={}):
video_data = self._download_xml(data_src, video_id)
video_id = video_data.attrib['id']
title = xpath_text(video_data, 'headline', fatal=True)
content_id = xpath_text(video_data, 'contentId') or video_id
# rtmp_src = xpath_text(video_data, 'akamai/src')
# if rtmp_src:
# splited_rtmp_src = rtmp_src.split(',')
# if len(splited_rtmp_src) == 2:
# rtmp_src = splited_rtmp_src[1]
# aifp = xpath_text(video_data, 'akamai/aifp', default='')
urls = []
formats = []
rex = re.compile(
r'(?P<width>[0-9]+)x(?P<height>[0-9]+)(?:_(?P<bitrate>[0-9]+))?')
# Possible formats locations: files/file, files/groupFiles/files
# and maybe others
for video_file in video_data.findall('.//file'):
video_url = video_file.text.strip()
if not video_url:
continue
ext = determine_ext(video_url)
if video_url.startswith('/mp4:protected/'):
continue
# TODO Correct extraction for these files
# protected_path_data = path_data.get('protected')
# if not protected_path_data or not rtmp_src:
# continue
# protected_path = self._search_regex(
# r'/mp4:(.+)\.[a-z0-9]', video_url, 'secure path')
# auth = self._download_webpage(
# protected_path_data['tokenizer_src'], query={
# 'path': protected_path,
# 'videoId': content_id,
# 'aifp': aifp,
# })
# token = xpath_text(auth, 'token')
# if not token:
# continue
# video_url = rtmp_src + video_url + '?' + token
elif video_url.startswith('/secure/'):
secure_path_data = path_data.get('secure')
if not secure_path_data:
continue
video_url = self._add_akamai_spe_token(
secure_path_data['tokenizer_src'],
secure_path_data['media_src'] + video_url,
content_id, ap_data)
elif not re.match('https?://', video_url):
base_path_data = path_data.get(ext, path_data.get('default', {}))
media_src = base_path_data.get('media_src')
if not media_src:
continue
video_url = media_src + video_url
if video_url in urls:
continue
urls.append(video_url)
format_id = video_file.get('bitrate')
if ext == 'smil':
formats.extend(self._extract_smil_formats(
video_url, video_id, fatal=False))
elif ext == 'm3u8':
m3u8_formats = self._extract_m3u8_formats(
video_url, video_id, 'mp4',
m3u8_id=format_id or 'hls', fatal=False)
if '/secure/' in video_url and '?hdnea=' in video_url:
for f in m3u8_formats:
f['_seekable'] = False
formats.extend(m3u8_formats)
elif ext == 'f4m':
formats.extend(self._extract_f4m_formats(
update_url_query(video_url, {'hdcore': '3.7.0'}),
video_id, f4m_id=format_id or 'hds', fatal=False))
else:
f = {
'format_id': format_id,
'url': video_url,
'ext': ext,
}
mobj = rex.search(format_id + video_url)
if mobj:
f.update({
'width': int(mobj.group('width')),
'height': int(mobj.group('height')),
'tbr': int_or_none(mobj.group('bitrate')),
})
elif isinstance(format_id, compat_str):
if format_id.isdigit():
f['tbr'] = int(format_id)
else:
mobj = re.match(r'ios_(audio|[0-9]+)$', format_id)
if mobj:
if mobj.group(1) == 'audio':
f.update({
'vcodec': 'none',
'ext': 'm4a',
})
else:
f['tbr'] = int(mobj.group(1))
formats.append(f)
self._sort_formats(formats)
subtitles = {}
for source in video_data.findall('closedCaptions/source'):
for track in source.findall('track'):
track_url = url_or_none(track.get('url'))
if not track_url or track_url.endswith('/big'):
continue
lang = track.get('lang') or track.get('label') or 'en'
subtitles.setdefault(lang, []).append({
'url': track_url,
'ext': {
'scc': 'scc',
'webvtt': 'vtt',
'smptett': 'tt',
}.get(source.get('format'))
})
thumbnails = [{
'id': image.get('cut'),
'url': image.text,
'width': int_or_none(image.get('width')),
'height': int_or_none(image.get('height')),
} for image in video_data.findall('images/image')]
is_live = xpath_text(video_data, 'isLive') == 'true'
return {
'id': video_id,
'title': self._live_title(title) if is_live else title,
'formats': formats,
'subtitles': subtitles,
'thumbnails': thumbnails,
'thumbnail': xpath_text(video_data, 'poster'),
'description': strip_or_none(xpath_text(video_data, 'description')),
'duration': parse_duration(xpath_text(video_data, 'length') or xpath_text(video_data, 'trt')),
'timestamp': self._extract_timestamp(video_data),
'upload_date': xpath_attr(video_data, 'metas', 'version'),
'series': xpath_text(video_data, 'showTitle'),
'season_number': int_or_none(xpath_text(video_data, 'seasonNumber')),
'episode_number': int_or_none(xpath_text(video_data, 'episodeNumber')),
'is_live': is_live,
}
def _extract_ngtv_info(self, media_id, tokenizer_query, ap_data=None):
streams_data = self._download_json(
'http://medium.ngtv.io/media/%s/tv' % media_id,
media_id)['media']['tv']
duration = None
chapters = []
formats = []
for supported_type in ('unprotected', 'bulkaes'):
stream_data = streams_data.get(supported_type, {})
m3u8_url = stream_data.get('secureUrl') or stream_data.get('url')
if not m3u8_url:
continue
if stream_data.get('playlistProtection') == 'spe':
m3u8_url = self._add_akamai_spe_token(
'http://token.ngtv.io/token/token_spe',
m3u8_url, media_id, ap_data or {}, tokenizer_query)
formats.extend(self._extract_m3u8_formats(
m3u8_url, media_id, 'mp4', m3u8_id='hls', fatal=False))
duration = float_or_none(stream_data.get('totalRuntime'))
if not chapters:
for chapter in stream_data.get('contentSegments', []):
start_time = float_or_none(chapter.get('start'))
chapter_duration = float_or_none(chapter.get('duration'))
if start_time is None or chapter_duration is None:
continue
chapters.append({
'start_time': start_time,
'end_time': start_time + chapter_duration,
})
self._sort_formats(formats)
return {
'formats': formats,
'chapters': chapters,
'duration': duration,
}