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youtube-dl/youtube_dl/extractor/livestream.py

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from __future__ import unicode_literals
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import re
import json
from .common import InfoExtractor
from ..utils import (
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compat_str,
compat_urllib_parse_urlparse,
compat_urlparse,
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ExtractorError,
find_xpath_attr,
int_or_none,
orderedSet,
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xpath_with_ns,
)
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class LivestreamIE(InfoExtractor):
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IE_NAME = 'livestream'
_VALID_URL = r'http://new\.livestream\.com/.*?/(?P<event_name>.*?)(/videos/(?P<id>\d+))?/?$'
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_TEST = {
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'url': 'http://new.livestream.com/CoheedandCambria/WebsterHall/videos/4719370',
'md5': '53274c76ba7754fb0e8d072716f2292b',
'info_dict': {
'id': '4719370',
'ext': 'mp4',
'title': 'Live from Webster Hall NYC',
'upload_date': '20121012',
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'like_count': int,
'view_count': int,
'thumbnail': 're:^http://.*\.jpg$'
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}
}
def _parse_smil(self, video_id, smil_url):
formats = []
_SWITCH_XPATH = (
'.//{http://www.w3.org/2001/SMIL20/Language}body/'
'{http://www.w3.org/2001/SMIL20/Language}switch')
smil_doc = self._download_xml(
smil_url, video_id,
note='Downloading SMIL information',
errnote='Unable to download SMIL information',
fatal=False)
if smil_doc is False: # Download failed
return formats
title_node = find_xpath_attr(
smil_doc, './/{http://www.w3.org/2001/SMIL20/Language}meta',
'name', 'title')
if title_node is None:
self.report_warning('Cannot find SMIL id')
switch_node = smil_doc.find(_SWITCH_XPATH)
else:
title_id = title_node.attrib['content']
switch_node = find_xpath_attr(
smil_doc, _SWITCH_XPATH, 'id', title_id)
if switch_node is None:
raise ExtractorError('Cannot find switch node')
video_nodes = switch_node.findall(
'{http://www.w3.org/2001/SMIL20/Language}video')
for vn in video_nodes:
tbr = int_or_none(vn.attrib.get('system-bitrate'))
furl = (
'http://livestream-f.akamaihd.net/%s?v=3.0.3&fp=WIN%%2014,0,0,145' %
(vn.attrib['src']))
if 'clipBegin' in vn.attrib:
furl += '&ssek=' + vn.attrib['clipBegin']
formats.append({
'url': furl,
'format_id': 'smil_%d' % tbr,
'ext': 'flv',
'tbr': tbr,
'preference': -1000,
})
return formats
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def _extract_video_info(self, video_data):
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video_id = compat_str(video_data['id'])
FORMAT_KEYS = (
('sd', 'progressive_url'),
('hd', 'progressive_url_hd'),
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)
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formats = [{
'format_id': format_id,
'url': video_data[key],
'quality': i + 1,
} for i, (format_id, key) in enumerate(FORMAT_KEYS)
if video_data.get(key)]
smil_url = video_data.get('smil_url')
if smil_url:
formats.extend(self._parse_smil(video_id, smil_url))
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self._sort_formats(formats)
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return {
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'id': video_id,
'formats': formats,
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'title': video_data['caption'],
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'thumbnail': video_data.get('thumbnail_url'),
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'upload_date': video_data['updated_at'].replace('-', '')[:8],
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'like_count': video_data.get('likes', {}).get('total'),
'view_count': video_data.get('views'),
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}
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def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
video_id = mobj.group('id')
event_name = mobj.group('event_name')
webpage = self._download_webpage(url, video_id or event_name)
og_video = self._og_search_video_url(webpage, 'player url', fatal=False, default=None)
if og_video is None:
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config_json = self._search_regex(
r'window.config = ({.*?});', webpage, 'window config')
info = json.loads(config_json)['event']
def is_relevant(vdata, vid):
result = vdata['type'] == 'video'
if video_id is not None:
result = result and compat_str(vdata['data']['id']) == vid
return result
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videos = [self._extract_video_info(video_data['data'])
for video_data in info['feed']['data']
if is_relevant(video_data, video_id)]
if video_id is None:
# This is an event page:
return self.playlist_result(videos, info['id'], info['full_name'])
else:
if videos:
return videos[0]
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else:
query_str = compat_urllib_parse_urlparse(og_video).query
query = compat_urlparse.parse_qs(query_str)
api_url = query['play_url'][0].replace('.smil', '')
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info = json.loads(self._download_webpage(
api_url, video_id, 'Downloading video info'))
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return self._extract_video_info(info)
# The original version of Livestream uses a different system
class LivestreamOriginalIE(InfoExtractor):
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IE_NAME = 'livestream:original'
_VALID_URL = r'''(?x)https?://www\.livestream\.com/
(?P<user>[^/]+)/(?P<type>video|folder)
(?:\?.*?Id=|/)(?P<id>.*?)(&|$)
'''
_TEST = {
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'url': 'http://www.livestream.com/dealbook/video?clipId=pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
'info_dict': {
'id': 'pla_8aa4a3f1-ba15-46a4-893b-902210e138fb',
'ext': 'flv',
'title': 'Spark 1 (BitCoin) with Cameron Winklevoss & Tyler Winklevoss of Winklevoss Capital',
},
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'params': {
# rtmp
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'skip_download': True,
},
}
def _extract_video(self, user, video_id):
api_url = 'http://x{0}x.api.channel.livestream.com/2.0/clipdetails?extendedInfo=true&id={1}'.format(user, video_id)
info = self._download_xml(api_url, video_id)
item = info.find('channel').find('item')
ns = {'media': 'http://search.yahoo.com/mrss'}
thumbnail_url = item.find(xpath_with_ns('media:thumbnail', ns)).attrib['url']
# Remove the extension and number from the path (like 1.jpg)
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path = self._search_regex(r'(user-files/.+)_.*?\.jpg$', thumbnail_url, 'path')
return {
'id': video_id,
'title': item.find('title').text,
'url': 'rtmp://extondemand.livestream.com/ondemand',
'play_path': 'mp4:trans/dv15/mogulus-{0}.mp4'.format(path),
'ext': 'flv',
'thumbnail': thumbnail_url,
}
def _extract_folder(self, url, folder_id):
webpage = self._download_webpage(url, folder_id)
urls = orderedSet(re.findall(r'<a href="(https?://livestre\.am/.*?)"', webpage))
return {
'_type': 'playlist',
'id': folder_id,
'entries': [{
'_type': 'url',
'url': video_url,
} for video_url in urls],
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
id = mobj.group('id')
user = mobj.group('user')
url_type = mobj.group('type')
if url_type == 'folder':
return self._extract_folder(url, id)
else:
return self._extract_video(user, id)
# The server doesn't support HEAD request, the generic extractor can't detect
# the redirection
class LivestreamShortenerIE(InfoExtractor):
IE_NAME = 'livestream:shortener'
IE_DESC = False # Do not list
_VALID_URL = r'https?://livestre\.am/(?P<id>.+)'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
id = mobj.group('id')
webpage = self._download_webpage(url, id)
return {
'_type': 'url',
'url': self._og_search_url(webpage),
}