mirror of
https://github.com/l1ving/youtube-dl
synced 2024-12-23 04:46:04 +08:00
457 lines
16 KiB
Python
457 lines
16 KiB
Python
# coding: utf-8
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from __future__ import unicode_literals
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import itertools
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import re
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import random
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from .common import InfoExtractor
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from ..compat import (
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compat_parse_qs,
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compat_str,
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compat_urllib_parse_urlencode,
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compat_urllib_parse_urlparse,
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compat_urlparse,
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)
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from ..utils import (
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ExtractorError,
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int_or_none,
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orderedSet,
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parse_duration,
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parse_iso8601,
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sanitized_Request,
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urlencode_postdata,
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)
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class TwitchBaseIE(InfoExtractor):
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_VALID_URL_BASE = r'https?://(?:www\.)?twitch\.tv'
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_API_BASE = 'https://api.twitch.tv'
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_USHER_BASE = 'http://usher.twitch.tv'
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_LOGIN_URL = 'http://www.twitch.tv/login'
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_NETRC_MACHINE = 'twitch'
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def _handle_error(self, response):
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if not isinstance(response, dict):
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return
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error = response.get('error')
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if error:
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raise ExtractorError(
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'%s returned error: %s - %s' % (self.IE_NAME, error, response.get('message')),
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expected=True)
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def _download_json(self, url, video_id, note='Downloading JSON metadata'):
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headers = {
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'Referer': 'http://api.twitch.tv/crossdomain/receiver.html?v=2',
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'X-Requested-With': 'XMLHttpRequest',
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}
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for cookie in self._downloader.cookiejar:
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if cookie.name == 'api_token':
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headers['Twitch-Api-Token'] = cookie.value
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request = sanitized_Request(url, headers=headers)
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response = super(TwitchBaseIE, self)._download_json(request, video_id, note)
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self._handle_error(response)
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return response
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def _real_initialize(self):
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self._login()
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def _login(self):
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(username, password) = self._get_login_info()
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if username is None:
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return
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login_page, handle = self._download_webpage_handle(
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self._LOGIN_URL, None, 'Downloading login page')
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login_form = self._hidden_inputs(login_page)
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login_form.update({
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'username': username,
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'password': password,
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})
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redirect_url = handle.geturl()
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post_url = self._search_regex(
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r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
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'post url', default=redirect_url, group='url')
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if not post_url.startswith('http'):
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post_url = compat_urlparse.urljoin(redirect_url, post_url)
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request = sanitized_Request(
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post_url, urlencode_postdata(login_form))
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request.add_header('Referer', redirect_url)
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response = self._download_webpage(
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request, None, 'Logging in as %s' % username)
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error_message = self._search_regex(
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r'<div[^>]+class="subwindow_notice"[^>]*>([^<]+)</div>',
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response, 'error message', default=None)
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if error_message:
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raise ExtractorError(
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'Unable to login. Twitch said: %s' % error_message, expected=True)
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if '>Reset your password<' in response:
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self.report_warning('Twitch asks you to reset your password, go to https://secure.twitch.tv/reset/submit')
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def _prefer_source(self, formats):
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try:
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source = next(f for f in formats if f['format_id'] == 'Source')
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source['preference'] = 10
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except StopIteration:
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pass # No Source stream present
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self._sort_formats(formats)
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class TwitchItemBaseIE(TwitchBaseIE):
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def _download_info(self, item, item_id):
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return self._extract_info(self._download_json(
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'%s/kraken/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
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'Downloading %s info JSON' % self._ITEM_TYPE))
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def _extract_media(self, item_id):
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info = self._download_info(self._ITEM_SHORTCUT, item_id)
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response = self._download_json(
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'%s/api/videos/%s%s' % (self._API_BASE, self._ITEM_SHORTCUT, item_id), item_id,
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'Downloading %s playlist JSON' % self._ITEM_TYPE)
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entries = []
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chunks = response['chunks']
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qualities = list(chunks.keys())
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for num, fragment in enumerate(zip(*chunks.values()), start=1):
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formats = []
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for fmt_num, fragment_fmt in enumerate(fragment):
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format_id = qualities[fmt_num]
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fmt = {
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'url': fragment_fmt['url'],
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'format_id': format_id,
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'quality': 1 if format_id == 'live' else 0,
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}
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m = re.search(r'^(?P<height>\d+)[Pp]', format_id)
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if m:
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fmt['height'] = int(m.group('height'))
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formats.append(fmt)
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self._sort_formats(formats)
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entry = dict(info)
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entry['id'] = '%s_%d' % (entry['id'], num)
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entry['title'] = '%s part %d' % (entry['title'], num)
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entry['formats'] = formats
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entries.append(entry)
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return self.playlist_result(entries, info['id'], info['title'])
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def _extract_info(self, info):
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return {
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'id': info['_id'],
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'title': info.get('title') or 'Untitled Broadcast',
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'description': info.get('description'),
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'duration': int_or_none(info.get('length')),
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'thumbnail': info.get('preview'),
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'uploader': info.get('channel', {}).get('display_name'),
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'uploader_id': info.get('channel', {}).get('name'),
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'timestamp': parse_iso8601(info.get('recorded_at')),
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'view_count': int_or_none(info.get('views')),
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}
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def _real_extract(self, url):
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return self._extract_media(self._match_id(url))
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class TwitchVideoIE(TwitchItemBaseIE):
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IE_NAME = 'twitch:video'
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_VALID_URL = r'%s/[^/]+/b/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
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_ITEM_TYPE = 'video'
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_ITEM_SHORTCUT = 'a'
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_TEST = {
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'url': 'http://www.twitch.tv/riotgames/b/577357806',
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'info_dict': {
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'id': 'a577357806',
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'title': 'Worlds Semifinals - Star Horn Royal Club vs. OMG',
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},
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'playlist_mincount': 12,
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'skip': 'HTTP Error 404: Not Found',
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}
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class TwitchChapterIE(TwitchItemBaseIE):
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IE_NAME = 'twitch:chapter'
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_VALID_URL = r'%s/[^/]+/c/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
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_ITEM_TYPE = 'chapter'
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_ITEM_SHORTCUT = 'c'
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_TESTS = [{
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'url': 'http://www.twitch.tv/acracingleague/c/5285812',
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'info_dict': {
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'id': 'c5285812',
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'title': 'ACRL Off Season - Sports Cars @ Nordschleife',
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},
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'playlist_mincount': 3,
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'skip': 'HTTP Error 404: Not Found',
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}, {
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'url': 'http://www.twitch.tv/tsm_theoddone/c/2349361',
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'only_matching': True,
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}]
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class TwitchVodIE(TwitchItemBaseIE):
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IE_NAME = 'twitch:vod'
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_VALID_URL = r'%s/[^/]+/v/(?P<id>\d+)' % TwitchBaseIE._VALID_URL_BASE
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_ITEM_TYPE = 'vod'
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_ITEM_SHORTCUT = 'v'
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_TESTS = [{
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'url': 'http://www.twitch.tv/riotgames/v/6528877?t=5m10s',
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'info_dict': {
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'id': 'v6528877',
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'ext': 'mp4',
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'title': 'LCK Summer Split - Week 6 Day 1',
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'thumbnail': 're:^https?://.*\.jpg$',
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'duration': 17208,
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'timestamp': 1435131709,
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'upload_date': '20150624',
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'uploader': 'Riot Games',
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'uploader_id': 'riotgames',
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'view_count': int,
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'start_time': 310,
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},
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'params': {
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# m3u8 download
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'skip_download': True,
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},
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}, {
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# Untitled broadcast (title is None)
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'url': 'http://www.twitch.tv/belkao_o/v/11230755',
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'info_dict': {
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'id': 'v11230755',
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'ext': 'mp4',
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'title': 'Untitled Broadcast',
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'thumbnail': 're:^https?://.*\.jpg$',
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'duration': 1638,
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'timestamp': 1439746708,
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'upload_date': '20150816',
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'uploader': 'BelkAO_o',
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'uploader_id': 'belkao_o',
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'view_count': int,
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},
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'params': {
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# m3u8 download
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'skip_download': True,
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},
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}]
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def _real_extract(self, url):
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item_id = self._match_id(url)
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info = self._download_info(self._ITEM_SHORTCUT, item_id)
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access_token = self._download_json(
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'%s/api/vods/%s/access_token' % (self._API_BASE, item_id), item_id,
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'Downloading %s access token' % self._ITEM_TYPE)
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formats = self._extract_m3u8_formats(
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'%s/vod/%s?%s' % (
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self._USHER_BASE, item_id,
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compat_urllib_parse_urlencode({
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'allow_source': 'true',
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'allow_audio_only': 'true',
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'allow_spectre': 'true',
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'player': 'twitchweb',
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'nauth': access_token['token'],
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'nauthsig': access_token['sig'],
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})),
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item_id, 'mp4')
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self._prefer_source(formats)
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info['formats'] = formats
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parsed_url = compat_urllib_parse_urlparse(url)
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query = compat_parse_qs(parsed_url.query)
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if 't' in query:
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info['start_time'] = parse_duration(query['t'][0])
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return info
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class TwitchPlaylistBaseIE(TwitchBaseIE):
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_PLAYLIST_URL = '%s/kraken/channels/%%s/videos/?offset=%%d&limit=%%d' % TwitchBaseIE._API_BASE
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_PAGE_LIMIT = 100
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def _extract_playlist(self, channel_id):
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info = self._download_json(
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'%s/kraken/channels/%s' % (self._API_BASE, channel_id),
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channel_id, 'Downloading channel info JSON')
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channel_name = info.get('display_name') or info.get('name')
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entries = []
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offset = 0
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limit = self._PAGE_LIMIT
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broken_paging_detected = False
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counter_override = None
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for counter in itertools.count(1):
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response = self._download_json(
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self._PLAYLIST_URL % (channel_id, offset, limit),
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channel_id,
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'Downloading %s videos JSON page %s'
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% (self._PLAYLIST_TYPE, counter_override or counter))
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page_entries = self._extract_playlist_page(response)
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if not page_entries:
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break
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total = int_or_none(response.get('_total'))
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# Since the beginning of March 2016 twitch's paging mechanism
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# is completely broken on the twitch side. It simply ignores
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# a limit and returns the whole offset number of videos.
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# Working around by just requesting all videos at once.
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# Upd: pagination bug was fixed by twitch on 15.03.2016.
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if not broken_paging_detected and total and len(page_entries) > limit:
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self.report_warning(
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'Twitch pagination is broken on twitch side, requesting all videos at once',
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channel_id)
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broken_paging_detected = True
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offset = total
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counter_override = '(all at once)'
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continue
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entries.extend(page_entries)
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if broken_paging_detected or total and len(page_entries) >= total:
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break
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offset += limit
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return self.playlist_result(
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[self.url_result(entry) for entry in orderedSet(entries)],
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channel_id, channel_name)
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def _extract_playlist_page(self, response):
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videos = response.get('videos')
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return [video['url'] for video in videos] if videos else []
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def _real_extract(self, url):
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return self._extract_playlist(self._match_id(url))
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class TwitchProfileIE(TwitchPlaylistBaseIE):
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IE_NAME = 'twitch:profile'
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_VALID_URL = r'%s/(?P<id>[^/]+)/profile/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
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_PLAYLIST_TYPE = 'profile'
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_TEST = {
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'url': 'http://www.twitch.tv/vanillatv/profile',
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'info_dict': {
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'id': 'vanillatv',
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'title': 'VanillaTV',
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},
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'playlist_mincount': 412,
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}
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class TwitchPastBroadcastsIE(TwitchPlaylistBaseIE):
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IE_NAME = 'twitch:past_broadcasts'
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_VALID_URL = r'%s/(?P<id>[^/]+)/profile/past_broadcasts/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
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_PLAYLIST_URL = TwitchPlaylistBaseIE._PLAYLIST_URL + '&broadcasts=true'
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_PLAYLIST_TYPE = 'past broadcasts'
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_TEST = {
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'url': 'http://www.twitch.tv/spamfish/profile/past_broadcasts',
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'info_dict': {
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'id': 'spamfish',
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'title': 'Spamfish',
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},
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'playlist_mincount': 54,
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}
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class TwitchStreamIE(TwitchBaseIE):
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IE_NAME = 'twitch:stream'
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_VALID_URL = r'%s/(?P<id>[^/#?]+)/?(?:\#.*)?$' % TwitchBaseIE._VALID_URL_BASE
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_TESTS = [{
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'url': 'http://www.twitch.tv/shroomztv',
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'info_dict': {
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'id': '12772022048',
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'display_id': 'shroomztv',
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'ext': 'mp4',
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'title': 're:^ShroomzTV [0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}$',
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'description': 'H1Z1 - lonewolfing with ShroomzTV | A3 Battle Royale later - @ShroomzTV',
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'is_live': True,
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'timestamp': 1421928037,
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'upload_date': '20150122',
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'uploader': 'ShroomzTV',
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'uploader_id': 'shroomztv',
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'view_count': int,
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},
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'params': {
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# m3u8 download
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'skip_download': True,
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},
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}, {
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'url': 'http://www.twitch.tv/miracle_doto#profile-0',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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channel_id = self._match_id(url)
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stream = self._download_json(
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'%s/kraken/streams/%s' % (self._API_BASE, channel_id), channel_id,
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'Downloading stream JSON').get('stream')
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# Fallback on profile extraction if stream is offline
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if not stream:
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return self.url_result(
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'http://www.twitch.tv/%s/profile' % channel_id,
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'TwitchProfile', channel_id)
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# Channel name may be typed if different case than the original channel name
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# (e.g. http://www.twitch.tv/TWITCHPLAYSPOKEMON) that will lead to constructing
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# an invalid m3u8 URL. Working around by use of original channel name from stream
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# JSON and fallback to lowercase if it's not available.
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channel_id = stream.get('channel', {}).get('name') or channel_id.lower()
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access_token = self._download_json(
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'%s/api/channels/%s/access_token' % (self._API_BASE, channel_id), channel_id,
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'Downloading channel access token')
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query = {
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'allow_source': 'true',
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'allow_audio_only': 'true',
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'p': random.randint(1000000, 10000000),
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'player': 'twitchweb',
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'segment_preference': '4',
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'sig': access_token['sig'].encode('utf-8'),
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'token': access_token['token'].encode('utf-8'),
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}
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formats = self._extract_m3u8_formats(
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'%s/api/channel/hls/%s.m3u8?%s'
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% (self._USHER_BASE, channel_id, compat_urllib_parse_urlencode(query)),
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channel_id, 'mp4')
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self._prefer_source(formats)
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view_count = stream.get('viewers')
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timestamp = parse_iso8601(stream.get('created_at'))
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channel = stream['channel']
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title = self._live_title(channel.get('display_name') or channel.get('name'))
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description = channel.get('status')
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thumbnails = []
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for thumbnail_key, thumbnail_url in stream['preview'].items():
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m = re.search(r'(?P<width>\d+)x(?P<height>\d+)\.jpg$', thumbnail_key)
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if not m:
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continue
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thumbnails.append({
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'url': thumbnail_url,
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'width': int(m.group('width')),
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'height': int(m.group('height')),
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})
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return {
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'id': compat_str(stream['_id']),
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'display_id': channel_id,
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'title': title,
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'description': description,
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'thumbnails': thumbnails,
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'uploader': channel.get('display_name'),
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'uploader_id': channel.get('name'),
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'timestamp': timestamp,
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'view_count': view_count,
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'formats': formats,
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'is_live': True,
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}
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