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# coding: utf-8
from __future__ import unicode_literals
import itertools
import re
from .common import InfoExtractor
from ..compat import (
compat_urllib_parse,
compat_urllib_request,
)
from ..utils import (
ExtractorError,
parse_iso8601,
)
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'
def _handle_error(self, response):
if not isinstance(response, dict):
return
error = response.get('error')
if error:
raise ExtractorError(
'%s returned error: %s - %s' % (self.IE_NAME, error, response.get('message')),
expected=True)
def _download_json(self, url, video_id, note='Downloading JSON metadata'):
response = super(TwitchBaseIE, self)._download_json(url, video_id, note)
self._handle_error(response)
return response
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,
}
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' % 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, self._ITEM_SHORTCUT, item_id), item_id,
'Downloading %s playlist JSON' % self._ITEM_TYPE)
entries = []
chunks = response['chunks']
qualities = list(chunks.keys())
for num, fragment in enumerate(zip(*chunks.values()), start=1):
formats = []
for fmt_num, fragment_fmt in enumerate(fragment):
format_id = qualities[fmt_num]
fmt = {
'url': fragment_fmt['url'],
'format_id': format_id,
'quality': 1 if format_id == 'live' else 0,
}
m = re.search(r'^(?P<height>\d+)[Pp]', format_id)
if m:
fmt['height'] = int(m.group('height'))
formats.append(fmt)
self._sort_formats(formats)
entry = dict(info)
entry['id'] = '%s_%d' % (entry['id'], num)
entry['title'] = '%s part %d' % (entry['title'], num)
entry['formats'] = formats
entries.append(entry)
return self.playlist_result(entries, info['id'], info['title'])
def _extract_info(self, info):
return {
'id': info['_id'],
'title': info['title'],
'description': info['description'],
'duration': info['length'],
'thumbnail': info['preview'],
'uploader': info['channel']['display_name'],
'uploader_id': info['channel']['name'],
'timestamp': parse_iso8601(info['recorded_at']),
'view_count': info['views'],
}
def _real_extract(self, url):
return self._extract_media(self._match_id(url))
class TwitchVideoIE(TwitchItemBaseIE):
IE_NAME = 'twitch:video'
_VALID_URL = r'%s/[^/]+/b/(?P<id>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
_ITEM_TYPE = 'video'
_ITEM_SHORTCUT = 'a'
_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,
}
class TwitchChapterIE(TwitchItemBaseIE):
IE_NAME = 'twitch:chapter'
_VALID_URL = r'%s/[^/]+/c/(?P<id>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
_ITEM_TYPE = 'chapter'
_ITEM_SHORTCUT = 'c'
_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$',
'duration': 6951,
'timestamp': 1419028564,
'upload_date': '20141219',
'uploader': 'KSPTV',
'uploader_id': 'ksptv',
'view_count': int,
},
'params': {
# m3u8 download
'skip_download': True,
},
}
def _real_extract(self, url):
item_id = self._match_id(url)
info = self._download_info(self._ITEM_SHORTCUT, item_id)
access_token = self._download_json(
'%s/api/vods/%s/access_token' % (self._API_BASE, item_id), item_id,
'Downloading %s access token' % self._ITEM_TYPE)
formats = self._extract_m3u8_formats(
'http://usher.twitch.tv/vod/%s?nauth=%s&nauthsig=%s'
% (item_id, access_token['token'], access_token['sig']),
item_id, 'mp4')
info['formats'] = formats
return info
class TwitchPlaylistBaseIE(TwitchBaseIE):
_PLAYLIST_URL = '%s/kraken/channels/%%s/videos/?offset=%%d&limit=%%d' % TwitchBaseIE._API_BASE
_PAGE_LIMIT = 100
def _extract_playlist(self, channel_id):
info = self._download_json(
'%s/kraken/channels/%s' % (self._API_BASE, channel_id),
channel_id, 'Downloading channel info JSON')
channel_name = info.get('display_name') or info.get('name')
entries = []
offset = 0
limit = self._PAGE_LIMIT
for counter in itertools.count(1):
response = self._download_json(
self._PLAYLIST_URL % (channel_id, offset, limit),
channel_id, 'Downloading %s videos JSON page %d' % (self._PLAYLIST_TYPE, counter))
videos = response['videos']
if not videos:
break
entries.extend([self.url_result(video['url']) for video in videos])
offset += limit
return self.playlist_result(entries, channel_id, channel_name)
def _real_extract(self, url):
return self._extract_playlist(self._match_id(url))
class TwitchProfileIE(TwitchPlaylistBaseIE):
IE_NAME = 'twitch:profile'
_VALID_URL = r'%s/(?P<id>[^/]+)/profile/?(?:\#.*)?$' % 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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