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[twitch] Refactor and add support for past broadcasts

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pull/8/head
Sergey M․ 10 years ago
parent 47e0e1e0e2
commit c5db6bb32b
2 changed files with 181 additions and 166 deletions
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8
youtube_dl/extractor/__init__.py
Unescape Escape View File

@ -458,7 +458,13 @@ from .tvigle import TvigleIE
from .tvp import TvpIE, TvpSeriesIE
from .tvplay import TVPlayIE
from .twentyfourvideo import TwentyFourVideoIE
from .twitch import TwitchIE
from .twitch import (
TwitchVideoIE,
TwitchChapterIE,
TwitchVodIE,
TwitchProfileIE,
TwitchPastBroadcastsIE,
)
from .ubu import UbuIE
from .udemy import (
UdemyIE,

339
youtube_dl/extractor/twitch.py
Unescape Escape View File

@ -15,44 +15,11 @@ from ..utils import (
)
class TwitchIE(InfoExtractor):
# TODO: One broadcast may be split into multiple videos. The key
# 'broadcast_id' is the same for all parts, and 'broadcast_part'
# starts at 1 and increases. Can we treat all parts as one video?
_VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?twitch\.tv/
(?:
(?P<channelid>[^/]+)|
(?:(?:[^/]+)/v/(?P<vodid>[^/]+))|
(?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
(?:(?:[^/]+)/c/(?P<chapterid>[^/]+))
)
/?(?:\#.*)?$
"""
_PAGE_LIMIT = 100
class TwitchBaseIE(InfoExtractor):
_VALID_URL_BASE = r'http://(?:www\.)?twitch\.tv'
_API_BASE = 'https://api.twitch.tv'
_LOGIN_URL = 'https://secure.twitch.tv/user/login'
_TESTS = [{
'url': 'http://www.twitch.tv/riotgames/b/577357806',
'info_dict': {
'id': 'a577357806',
'title': 'Worlds Semifinals - Star Horn Royal Club vs. OMG',
},
'playlist_mincount': 12,
}, {
'url': 'http://www.twitch.tv/acracingleague/c/5285812',
'info_dict': {
'id': 'c5285812',
'title': 'ACRL Off Season - Sports Cars @ Nordschleife',
},
'playlist_mincount': 3,
}, {
'url': 'http://www.twitch.tv/vanillatv',
'info_dict': {
'id': 'vanillatv',
'title': 'VanillaTV',
},
'playlist_mincount': 412,
}]
def _handle_error(self, response):
if not isinstance(response, dict):
@ -64,34 +31,60 @@ class TwitchIE(InfoExtractor):
expected=True)
def _download_json(self, url, video_id, note='Downloading JSON metadata'):
response = super(TwitchIE, self)._download_json(url, video_id, note)
response = super(TwitchBaseIE, self)._download_json(url, video_id, note)
self._handle_error(response)
return response
def _extract_media(self, item, item_id):
ITEMS = {
'a': 'video',
'v': 'vod',
'c': 'chapter',
def _real_initialize(self):
self._login()
def _login(self):
(username, password) = self._get_login_info()
if username is None:
return
login_page = self._download_webpage(
self._LOGIN_URL, None, 'Downloading login page')
authenticity_token = self._search_regex(
r'<input name="authenticity_token" type="hidden" value="([^"]+)"',
login_page, 'authenticity token')
login_form = {
'utf8': '✓'.encode('utf-8'),
'authenticity_token': authenticity_token,
'redirect_on_login': '',
'embed_form': 'false',
'mp_source_action': '',
'follow': '',
'user[login]': username,
'user[password]': password,
}
info = self._extract_info(self._download_json(
request = compat_urllib_request.Request(
self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
request.add_header('Referer', self._LOGIN_URL)
response = self._download_webpage(
request, None, 'Logging in as %s' % username)
m = re.search(
r"id=([\"'])login_error_message\1[^>]*>(?P<msg>[^<]+)", response)
if m:
raise ExtractorError(
'Unable to login: %s' % m.group('msg').strip(), expected=True)
class TwitchItemBaseIE(TwitchBaseIE):
def _download_info(self, item, item_id):
return self._extract_info(self._download_json(
'%s/kraken/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
'Downloading %s info JSON' % ITEMS[item]))
if item == 'v':
access_token = self._download_json(
'%s/api/vods/%s/access_token' % (self._API_BASE, item_id), item_id,
'Downloading %s access token' % ITEMS[item])
formats = self._extract_m3u8_formats(
'http://usher.twitch.tv/vod/%s?nauth=%s&nauthsig=%s'
% (item_id, access_token['token'], access_token['sig']),
item_id, 'mp4')
info['formats'] = formats
return info
'Downloading %s info JSON' % self._ITEM_TYPE))
def _extract_media(self, item_id):
info = self._download_info(self._ITEM_SHORTCUT, item_id)
response = self._download_json(
'%s/api/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
'Downloading %s playlist JSON' % ITEMS[item])
'%s/api/videos/%s%s' % (self._API_BASE, self._ITEM_SHORTCUT, item_id), item_id,
'Downloading %s playlist JSON' % self._ITEM_TYPE)
entries = []
chunks = response['chunks']
qualities = list(chunks.keys())
@ -129,119 +122,135 @@ class TwitchIE(InfoExtractor):
'view_count': info['views'],
}
def _real_initialize(self):
self._login()
def _real_extract(self, url):
return self._extract_media(self._match_id(url))
def _login(self):
(username, password) = self._get_login_info()
if username is None:
return
login_page = self._download_webpage(
self._LOGIN_URL, None, 'Downloading login page')
class TwitchVideoIE(TwitchItemBaseIE):
IE_NAME = 'twitch:video'
_VALID_URL = r'%s/[^/]+/b/(?P<id>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
_ITEM_TYPE = 'video'
_ITEM_SHORTCUT = 'a'
authenticity_token = self._search_regex(
r'<input name="authenticity_token" type="hidden" value="([^"]+)"',
login_page, 'authenticity token')
_TEST = {
'url': 'http://www.twitch.tv/riotgames/b/577357806',
'info_dict': {
'id': 'a577357806',
'title': 'Worlds Semifinals - Star Horn Royal Club vs. OMG',
},
'playlist_mincount': 12,
}
login_form = {
'utf8': '✓'.encode('utf-8'),
'authenticity_token': authenticity_token,
'redirect_on_login': '',
'embed_form': 'false',
'mp_source_action': '',
'follow': '',
'user[login]': username,
'user[password]': password,
}
request = compat_urllib_request.Request(
self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
request.add_header('Referer', self._LOGIN_URL)
response = self._download_webpage(
request, None, 'Logging in as %s' % username)
class TwitchChapterIE(TwitchItemBaseIE):
IE_NAME = 'twitch:chapter'
_VALID_URL = r'%s/[^/]+/c/(?P<id>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
_ITEM_TYPE = 'chapter'
_ITEM_SHORTCUT = 'c'
m = re.search(
r"id=([\"'])login_error_message\1[^>]*>(?P<msg>[^<]+)", response)
if m:
raise ExtractorError(
'Unable to login: %s' % m.group('msg').strip(), expected=True)
_TEST = {
'url': 'http://www.twitch.tv/acracingleague/c/5285812',
'info_dict': {
'id': 'c5285812',
'title': 'ACRL Off Season - Sports Cars @ Nordschleife',
},
'playlist_mincount': 3,
}
class TwitchVodIE(TwitchItemBaseIE):
IE_NAME = 'twitch:vod'
_VALID_URL = r'%s/[^/]+/v/(?P<id>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
_ITEM_TYPE = 'vod'
_ITEM_SHORTCUT = 'v'
_TEST = {
'url': 'http://www.twitch.tv/ksptv/v/3622000',
'info_dict': {
'id': 'v3622000',
'ext': 'mp4',
'title': '''KSPTV: Squadcast: "Everyone's on vacation so here's Dahud" Edition!''',
'thumbnail': 're:^https?://.*\.jpg$',
'duration': 6951,
'timestamp': 1419028564,
'upload_date': '20141219',
'uploader': 'KSPTV',
'uploader_id': 'ksptv',
'view_count': int,
},
'params': {
# m3u8 download
'skip_download': True,
},
}
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj.group('chapterid'):
return self._extract_media('c', mobj.group('chapterid'))
"""
webpage = self._download_webpage(url, chapter_id)
m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
if not m:
raise ExtractorError('Cannot find archive of a chapter')
archive_id = m.group(1)
api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
doc = self._download_xml(
api, chapter_id,
note='Downloading chapter information',
errnote='Chapter information download failed')
for a in doc.findall('.//archive'):
if archive_id == a.find('./id').text:
break
else:
raise ExtractorError('Could not find chapter in chapter information')
video_url = a.find('./video_file_url').text
video_ext = video_url.rpartition('.')[2] or 'flv'
chapter_api_url = 'https://api.twitch.tv/kraken/videos/c' + chapter_id
chapter_info = self._download_json(
chapter_api_url, 'c' + chapter_id,
note='Downloading chapter metadata',
errnote='Download of chapter metadata failed')
bracket_start = int(doc.find('.//bracket_start').text)
bracket_end = int(doc.find('.//bracket_end').text)
# TODO determine start (and probably fix up file)
# youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
#video_url += '?start=' + TODO:start_timestamp
# bracket_start is 13290, but we want 51670615
self._downloader.report_warning('Chapter detected, but we can just download the whole file. '
'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end)))
info = {
'id': 'c' + chapter_id,
'url': video_url,
'ext': video_ext,
'title': chapter_info['title'],
'thumbnail': chapter_info['preview'],
'description': chapter_info['description'],
'uploader': chapter_info['channel']['display_name'],
'uploader_id': chapter_info['channel']['name'],
}
return info
"""
elif mobj.group('videoid'):
return self._extract_media('a', mobj.group('videoid'))
elif mobj.group('vodid'):
return self._extract_media('v', mobj.group('vodid'))
elif mobj.group('channelid'):
channel_id = mobj.group('channelid')
info = self._download_json(
'%s/kraken/channels/%s' % (self._API_BASE, channel_id),
channel_id, 'Downloading channel info JSON')
channel_name = info.get('display_name') or info.get('name')
entries = []
offset = 0
limit = self._PAGE_LIMIT
for counter in itertools.count(1):
response = self._download_json(
'%s/kraken/channels/%s/videos/?offset=%d&limit=%d'
% (self._API_BASE, channel_id, offset, limit),
channel_id, 'Downloading channel videos JSON page %d' % counter)
videos = response['videos']
if not videos:
break
entries.extend([self.url_result(video['url'], 'Twitch') for video in videos])
offset += limit
return self.playlist_result(entries, channel_id, channel_name)
item_id = self._match_id(url)
info = self._download_info(self._ITEM_SHORTCUT, item_id)
access_token = self._download_json(
'%s/api/vods/%s/access_token' % (self._API_BASE, item_id), item_id,
'Downloading %s access token' % self._ITEM_TYPE)
formats = self._extract_m3u8_formats(
'http://usher.twitch.tv/vod/%s?nauth=%s&nauthsig=%s'
% (item_id, access_token['token'], access_token['sig']),
item_id, 'mp4')
info['formats'] = formats
return info
class TwitchPlaylistBaseIE(TwitchBaseIE):
_PLAYLIST_URL = '%s/kraken/channels/%%s/videos/?offset=%%d&limit=%%d' % TwitchBaseIE._API_BASE
_PAGE_LIMIT = 100
def _extract_playlist(self, channel_id):
info = self._download_json(
'%s/kraken/channels/%s' % (self._API_BASE, channel_id),
channel_id, 'Downloading channel info JSON')
channel_name = info.get('display_name') or info.get('name')
entries = []
offset = 0
limit = self._PAGE_LIMIT
for counter in itertools.count(1):
response = self._download_json(
self._PLAYLIST_URL % (channel_id, offset, limit),
channel_id, 'Downloading %s videos JSON page %d' % (self._PLAYLIST_TYPE, counter))
videos = response['videos']
if not videos:
break
entries.extend([self.url_result(video['url']) for video in videos])
offset += limit
return self.playlist_result(entries, channel_id, channel_name)
def _real_extract(self, url):
return self._extract_playlist(self._match_id(url))
class TwitchProfileIE(TwitchPlaylistBaseIE):
IE_NAME = 'twitch:profile'
_VALID_URL = r'%s/(?P<id>[^/]+)/profile/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
_PLAYLIST_TYPE = 'profile'
_TEST = {
'url': 'http://www.twitch.tv/vanillatv/profile',
'info_dict': {
'id': 'vanillatv',
'title': 'VanillaTV',
},
'playlist_mincount': 412,
}
class TwitchPastBroadcastsIE(TwitchPlaylistBaseIE):
IE_NAME = 'twitch:profile'
_VALID_URL = r'%s/(?P<id>[^/]+)/profile/past_broadcasts/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
_PLAYLIST_URL = TwitchPlaylistBaseIE._PLAYLIST_URL + '&broadcasts=true'
_PLAYLIST_TYPE = 'past broadcasts'
_TEST = {
'url': 'http://www.twitch.tv/spamfish/profile/past_broadcasts',
'info_dict': {
'id': 'spamfish',
'title': 'Spamfish',
},
'playlist_mincount': 54,
}

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