mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-22 22:12:55 +08:00
367 lines
13 KiB
Python
367 lines
13 KiB
Python
from __future__ import unicode_literals
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import re
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import itertools
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from .common import InfoExtractor
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from ..compat import (
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compat_str,
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compat_urlparse,
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)
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from ..utils import (
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find_xpath_attr,
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xpath_attr,
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xpath_with_ns,
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xpath_text,
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orderedSet,
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update_url_query,
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int_or_none,
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float_or_none,
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parse_iso8601,
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determine_ext,
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)
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class LivestreamIE(InfoExtractor):
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IE_NAME = 'livestream'
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_VALID_URL = r'https?://(?:new\.)?livestream\.com/(?:accounts/(?P<account_id>\d+)|(?P<account_name>[^/]+))/(?:events/(?P<event_id>\d+)|(?P<event_name>[^/]+))(?:/videos/(?P<id>\d+))?'
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_TESTS = [{
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'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
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'md5': '53274c76ba7754fb0e8d072716f2292b',
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'info_dict': {
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'id': '4719370',
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'ext': 'mp4',
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'title': 'Live from Webster Hall NYC',
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'timestamp': 1350008072,
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'upload_date': '20121012',
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'duration': 5968.0,
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'like_count': int,
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'view_count': int,
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'thumbnail': r're:^http://.*\.jpg$'
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}
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}, {
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'url': 'http://new.livestream.com/tedx/cityenglish',
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'info_dict': {
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'title': 'TEDCity2.0 (English)',
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'id': '2245590',
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},
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'playlist_mincount': 4,
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}, {
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'url': 'http://new.livestream.com/chess24/tatasteelchess',
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'info_dict': {
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'title': 'Tata Steel Chess',
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'id': '3705884',
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},
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'playlist_mincount': 60,
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}, {
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'url': 'https://new.livestream.com/accounts/362/events/3557232/videos/67864563/player?autoPlay=false&height=360&mute=false&width=640',
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'only_matching': True,
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}, {
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'url': 'http://livestream.com/bsww/concacafbeachsoccercampeonato2015',
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'only_matching': True,
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}]
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_API_URL_TEMPLATE = 'http://livestream.com/api/accounts/%s/events/%s'
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def _parse_smil_formats(self, smil, smil_url, video_id, namespace=None, f4m_params=None, transform_rtmp_url=None):
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base_ele = find_xpath_attr(
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smil, self._xpath_ns('.//meta', namespace), 'name', 'httpBase')
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base = base_ele.get('content') if base_ele is not None else 'http://livestreamvod-f.akamaihd.net/'
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formats = []
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video_nodes = smil.findall(self._xpath_ns('.//video', namespace))
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for vn in video_nodes:
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tbr = int_or_none(vn.attrib.get('system-bitrate'), 1000)
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furl = (
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update_url_query(compat_urlparse.urljoin(base, vn.attrib['src']), {
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'v': '3.0.3',
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'fp': 'WIN% 14,0,0,145',
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}))
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if 'clipBegin' in vn.attrib:
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furl += '&ssek=' + vn.attrib['clipBegin']
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formats.append({
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'url': furl,
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'format_id': 'smil_%d' % tbr,
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'ext': 'flv',
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'tbr': tbr,
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'preference': -1000,
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})
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return formats
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def _extract_video_info(self, video_data):
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video_id = compat_str(video_data['id'])
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FORMAT_KEYS = (
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('sd', 'progressive_url'),
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('hd', 'progressive_url_hd'),
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)
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formats = []
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for format_id, key in FORMAT_KEYS:
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video_url = video_data.get(key)
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if video_url:
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ext = determine_ext(video_url)
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if ext == 'm3u8':
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continue
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bitrate = int_or_none(self._search_regex(
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r'(\d+)\.%s' % ext, video_url, 'bitrate', default=None))
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formats.append({
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'url': video_url,
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'format_id': format_id,
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'tbr': bitrate,
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'ext': ext,
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})
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smil_url = video_data.get('smil_url')
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if smil_url:
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formats.extend(self._extract_smil_formats(smil_url, video_id, fatal=False))
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m3u8_url = video_data.get('m3u8_url')
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if m3u8_url:
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formats.extend(self._extract_m3u8_formats(
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m3u8_url, video_id, 'mp4', 'm3u8_native',
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m3u8_id='hls', fatal=False))
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f4m_url = video_data.get('f4m_url')
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if f4m_url:
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formats.extend(self._extract_f4m_formats(
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f4m_url, video_id, f4m_id='hds', fatal=False))
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self._sort_formats(formats)
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comments = [{
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'author_id': comment.get('author_id'),
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'author': comment.get('author', {}).get('full_name'),
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'id': comment.get('id'),
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'text': comment['text'],
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'timestamp': parse_iso8601(comment.get('created_at')),
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} for comment in video_data.get('comments', {}).get('data', [])]
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return {
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'id': video_id,
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'formats': formats,
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'title': video_data['caption'],
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'description': video_data.get('description'),
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'thumbnail': video_data.get('thumbnail_url'),
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'duration': float_or_none(video_data.get('duration'), 1000),
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'timestamp': parse_iso8601(video_data.get('publish_at')),
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'like_count': video_data.get('likes', {}).get('total'),
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'comment_count': video_data.get('comments', {}).get('total'),
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'view_count': video_data.get('views'),
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'comments': comments,
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}
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def _extract_stream_info(self, stream_info):
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broadcast_id = compat_str(stream_info['broadcast_id'])
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is_live = stream_info.get('is_live')
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formats = []
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smil_url = stream_info.get('play_url')
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if smil_url:
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formats.extend(self._extract_smil_formats(smil_url, broadcast_id))
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m3u8_url = stream_info.get('m3u8_url')
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if m3u8_url:
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formats.extend(self._extract_m3u8_formats(
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m3u8_url, broadcast_id, 'mp4', 'm3u8_native',
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m3u8_id='hls', fatal=False))
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rtsp_url = stream_info.get('rtsp_url')
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if rtsp_url:
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formats.append({
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'url': rtsp_url,
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'format_id': 'rtsp',
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})
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self._sort_formats(formats)
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return {
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'id': broadcast_id,
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'formats': formats,
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'title': self._live_title(stream_info['stream_title']) if is_live else stream_info['stream_title'],
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'thumbnail': stream_info.get('thumbnail_url'),
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'is_live': is_live,
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}
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def _extract_event(self, event_data):
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event_id = compat_str(event_data['id'])
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account_id = compat_str(event_data['owner_account_id'])
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feed_root_url = self._API_URL_TEMPLATE % (account_id, event_id) + '/feed.json'
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stream_info = event_data.get('stream_info')
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if stream_info:
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return self._extract_stream_info(stream_info)
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last_video = None
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entries = []
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for i in itertools.count(1):
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if last_video is None:
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info_url = feed_root_url
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else:
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info_url = '{root}?&id={id}&newer=-1&type=video'.format(
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root=feed_root_url, id=last_video)
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videos_info = self._download_json(
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info_url, event_id, 'Downloading page {0}'.format(i))['data']
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videos_info = [v['data'] for v in videos_info if v['type'] == 'video']
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if not videos_info:
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break
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for v in videos_info:
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v_id = compat_str(v['id'])
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entries.append(self.url_result(
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'http://livestream.com/accounts/%s/events/%s/videos/%s' % (account_id, event_id, v_id),
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'Livestream', v_id, v.get('caption')))
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last_video = videos_info[-1]['id']
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return self.playlist_result(entries, event_id, event_data['full_name'])
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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event = mobj.group('event_id') or mobj.group('event_name')
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account = mobj.group('account_id') or mobj.group('account_name')
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api_url = self._API_URL_TEMPLATE % (account, event)
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if video_id:
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video_data = self._download_json(
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api_url + '/videos/%s' % video_id, video_id)
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return self._extract_video_info(video_data)
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else:
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event_data = self._download_json(api_url, video_id)
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return self._extract_event(event_data)
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# The original version of Livestream uses a different system
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class LivestreamOriginalIE(InfoExtractor):
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IE_NAME = 'livestream:original'
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_VALID_URL = r'''(?x)https?://original\.livestream\.com/
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(?P<user>[^/\?#]+)(?:/(?P<type>video|folder)
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(?:(?:\?.*?Id=|/)(?P<id>.*?)(&|$))?)?
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'''
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_TESTS = [{
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'url': 'http://original.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
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'info_dict': {
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'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
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'ext': 'mp4',
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'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
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'duration': 771.301,
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'view_count': int,
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},
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}, {
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'url': 'https://original.livestream.com/newplay/folder?dirId=a07bf706-d0e4-4e75-a747-b021d84f2fd3',
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'info_dict': {
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'id': 'a07bf706-d0e4-4e75-a747-b021d84f2fd3',
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},
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'playlist_mincount': 4,
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}, {
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# live stream
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'url': 'http://original.livestream.com/znsbahamas',
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'only_matching': True,
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}]
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def _extract_video_info(self, user, video_id):
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api_url = 'http://x%sx.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id=%s' % (user, video_id)
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info = self._download_xml(api_url, video_id)
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item = info.find('channel').find('item')
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title = xpath_text(item, 'title')
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media_ns = {'media': 'http://search.yahoo.com/mrss'}
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thumbnail_url = xpath_attr(
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item, xpath_with_ns('media:thumbnail', media_ns), 'url')
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duration = float_or_none(xpath_attr(
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item, xpath_with_ns('media:content', media_ns), 'duration'))
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ls_ns = {'ls': 'http://api.channel.livestream.com/2.0'}
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view_count = int_or_none(xpath_text(
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item, xpath_with_ns('ls:viewsCount', ls_ns)))
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return {
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'id': video_id,
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'title': title,
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'thumbnail': thumbnail_url,
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'duration': duration,
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'view_count': view_count,
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}
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def _extract_video_formats(self, video_data, video_id):
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formats = []
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progressive_url = video_data.get('progressiveUrl')
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if progressive_url:
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formats.append({
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'url': progressive_url,
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'format_id': 'http',
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})
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m3u8_url = video_data.get('httpUrl')
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if m3u8_url:
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formats.extend(self._extract_m3u8_formats(
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m3u8_url, video_id, 'mp4', 'm3u8_native',
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m3u8_id='hls', fatal=False))
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rtsp_url = video_data.get('rtspUrl')
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if rtsp_url:
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formats.append({
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'url': rtsp_url,
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'format_id': 'rtsp',
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})
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self._sort_formats(formats)
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return formats
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def _extract_folder(self, url, folder_id):
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webpage = self._download_webpage(url, folder_id)
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paths = orderedSet(re.findall(
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r'''(?x)(?:
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<li\s+class="folder">\s*<a\s+href="|
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<a\s+href="(?=https?://livestre\.am/)
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)([^"]+)"''', webpage))
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entries = [{
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'_type': 'url',
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'url': compat_urlparse.urljoin(url, p),
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} for p in paths]
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return self.playlist_result(entries, folder_id)
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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user = mobj.group('user')
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url_type = mobj.group('type')
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content_id = mobj.group('id')
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if url_type == 'folder':
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return self._extract_folder(url, content_id)
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else:
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# this url is used on mobile devices
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stream_url = 'http://x%sx.api.channel.livestream.com/3.0/getstream.json' % user
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info = {}
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if content_id:
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stream_url += '?id=%s' % content_id
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info = self._extract_video_info(user, content_id)
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else:
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content_id = user
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webpage = self._download_webpage(url, content_id)
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info = {
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'title': self._og_search_title(webpage),
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'description': self._og_search_description(webpage),
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'thumbnail': self._search_regex(r'channelLogo\.src\s*=\s*"([^"]+)"', webpage, 'thumbnail', None),
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}
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video_data = self._download_json(stream_url, content_id)
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is_live = video_data.get('isLive')
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info.update({
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'id': content_id,
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'title': self._live_title(info['title']) if is_live else info['title'],
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'formats': self._extract_video_formats(video_data, content_id),
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'is_live': is_live,
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})
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return info
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# The server doesn't support HEAD request, the generic extractor can't detect
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# the redirection
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class LivestreamShortenerIE(InfoExtractor):
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IE_NAME = 'livestream:shortener'
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IE_DESC = False # Do not list
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_VALID_URL = r'https?://livestre\.am/(?P<id>.+)'
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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id = mobj.group('id')
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webpage = self._download_webpage(url, id)
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return self.url_result(self._og_search_url(webpage))
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