257 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			257 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| # coding: utf-8
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| from __future__ import unicode_literals
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| 
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| import itertools
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| import re
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| 
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| from .common import InfoExtractor
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| from ..compat import (
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|     compat_urllib_parse,
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|     compat_urllib_request,
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| )
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| from ..utils import (
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|     ExtractorError,
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|     parse_iso8601,
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| )
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| 
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| 
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| class TwitchBaseIE(InfoExtractor):
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|     _VALID_URL_BASE = r'http://(?:www\.)?twitch\.tv'
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| 
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|     _API_BASE = 'https://api.twitch.tv'
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|     _LOGIN_URL = 'https://secure.twitch.tv/user/login'
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| 
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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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| 
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|     def _download_json(self, url, video_id, note='Downloading JSON metadata'):
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|         response = super(TwitchBaseIE, self)._download_json(url, video_id, note)
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|         self._handle_error(response)
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|         return response
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| 
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|     def _real_initialize(self):
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|         self._login()
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| 
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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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| 
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|         login_page = self._download_webpage(
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|             self._LOGIN_URL, None, 'Downloading login page')
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| 
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|         authenticity_token = self._search_regex(
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|             r'<input name="authenticity_token" type="hidden" value="([^"]+)"',
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|             login_page, 'authenticity token')
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| 
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|         login_form = {
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|             'utf8': '✓'.encode('utf-8'),
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|             'authenticity_token': authenticity_token,
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|             'redirect_on_login': '',
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|             'embed_form': 'false',
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|             'mp_source_action': '',
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|             'follow': '',
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|             'user[login]': username,
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|             'user[password]': password,
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|         }
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| 
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|         request = compat_urllib_request.Request(
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|             self._LOGIN_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
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|         request.add_header('Referer', self._LOGIN_URL)
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|         response = self._download_webpage(
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|             request, None, 'Logging in as %s' % username)
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| 
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|         m = re.search(
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|             r"id=([\"'])login_error_message\1[^>]*>(?P<msg>[^<]+)", response)
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|         if m:
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|             raise ExtractorError(
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|                 'Unable to login: %s' % m.group('msg').strip(), expected=True)
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| 
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| 
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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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| 
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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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| 
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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['title'],
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|             'description': info['description'],
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|             'duration': info['length'],
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|             'thumbnail': info['preview'],
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|             'uploader': info['channel']['display_name'],
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|             'uploader_id': info['channel']['name'],
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|             'timestamp': parse_iso8601(info['recorded_at']),
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|             'view_count': info['views'],
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|         }
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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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| 
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| 
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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>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
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|     _ITEM_TYPE = 'video'
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|     _ITEM_SHORTCUT = 'a'
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| 
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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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|     }
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| 
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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>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
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|     _ITEM_TYPE = 'chapter'
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|     _ITEM_SHORTCUT = 'c'
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| 
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|     _TEST = {
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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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|     }
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| 
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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>[^/]+)' % TwitchBaseIE._VALID_URL_BASE
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|     _ITEM_TYPE = 'vod'
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|     _ITEM_SHORTCUT = 'v'
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| 
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|     _TEST = {
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|         'url': 'http://www.twitch.tv/ksptv/v/3622000',
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|         'info_dict': {
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|             'id': 'v3622000',
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|             'ext': 'mp4',
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|             'title': '''KSPTV: Squadcast: "Everyone's on vacation so here's Dahud" Edition!''',
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|             'thumbnail': 're:^https?://.*\.jpg$',
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|             'duration': 6951,
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|             'timestamp': 1419028564,
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|             'upload_date': '20141219',
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|             'uploader': 'KSPTV',
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|             'uploader_id': 'ksptv',
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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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| 
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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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|             'http://usher.twitch.tv/vod/%s?nauth=%s&nauthsig=%s'
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|             % (item_id, access_token['token'], access_token['sig']),
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|             item_id, 'mp4')
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|         info['formats'] = formats
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|         return info
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| 
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| 
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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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| 
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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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|         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, 'Downloading %s videos JSON page %d' % (self._PLAYLIST_TYPE, counter))
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|             videos = response['videos']
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|             if not videos:
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|                 break
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|             entries.extend([self.url_result(video['url']) for video in videos])
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|             offset += limit
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|         return self.playlist_result(entries, channel_id, channel_name)
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| 
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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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| 
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| 
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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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| 
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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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| 
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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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| 
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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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