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[twitch] Rename extractor and support channel videos
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Sergey M․
Sergey M
parent
4698f0d858
commit
46fd0dd5a5
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@ -173,7 +173,6 @@
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from .jeuxvideo import JeuxVideoIE
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from .jove import JoveIE
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from .jukebox import JukeboxIE
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from .justintv import JustinTVIE
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from .jpopsukitv import JpopsukiIE
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from .kankan import KankanIE
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from .keezmovies import KeezMoviesIE
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@ -395,6 +394,7 @@
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from .tvigle import TvigleIE
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from .tvp import TvpIE
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from .tvplay import TVPlayIE
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from .twitch import TwitchIE
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from .ubu import UbuIE
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from .udemy import (
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UdemyIE,
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@ -1,26 +1,20 @@
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from __future__ import unicode_literals
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import itertools
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import json
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import os
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import re
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from .common import InfoExtractor
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from ..utils import (
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compat_str,
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ExtractorError,
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formatSeconds,
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parse_iso8601,
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)
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class JustinTVIE(InfoExtractor):
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"""Information extractor for justin.tv and twitch.tv"""
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class TwitchIE(InfoExtractor):
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# TODO: One broadcast may be split into multiple videos. The key
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# 'broadcast_id' is the same for all parts, and 'broadcast_part'
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# starts at 1 and increases. Can we treat all parts as one video?
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_VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?(?:twitch|justin)\.tv/
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_VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?twitch\.tv/
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(?:
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(?P<channelid>[^/]+)|
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(?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
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@ -28,9 +22,8 @@ class JustinTVIE(InfoExtractor):
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)
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/?(?:\#.*)?$
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"""
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_JUSTIN_PAGE_LIMIT = 100
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IE_NAME = 'justin.tv'
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IE_DESC = 'justin.tv and twitch.tv'
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_PAGE_LIMIT = 100
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_API_BASE = 'https://api.twitch.tv'
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_TEST = {
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'url': 'http://www.twitch.tv/thegamedevhub/b/296128360',
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'md5': 'ecaa8a790c22a40770901460af191c9a',
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@ -44,39 +37,6 @@ class JustinTVIE(InfoExtractor):
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}
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}
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_API_BASE = 'https://api.twitch.tv'
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# Return count of items, list of *valid* items
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def _parse_page(self, url, video_id, counter):
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info_json = self._download_webpage(
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url, video_id,
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'Downloading video info JSON on page %d' % counter,
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'Unable to download video info JSON %d' % counter)
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response = json.loads(info_json)
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if type(response) != list:
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error_text = response.get('error', 'unknown error')
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raise ExtractorError('Justin.tv API: %s' % error_text)
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info = []
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for clip in response:
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video_url = clip['video_file_url']
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if video_url:
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video_extension = os.path.splitext(video_url)[1][1:]
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video_date = re.sub('-', '', clip['start_time'][:10])
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video_uploader_id = clip.get('user_id', clip.get('channel_id'))
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video_id = clip['id']
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video_title = clip.get('title', video_id)
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info.append({
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'id': compat_str(video_id),
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'url': video_url,
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'title': video_title,
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'uploader': clip.get('channel_name', video_uploader_id),
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'uploader_id': video_uploader_id,
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'upload_date': video_date,
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'ext': video_extension,
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})
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return (len(response), info)
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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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@ -87,25 +47,21 @@ def _handle_error(self, response):
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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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response = super(JustinTVIE, self)._download_json(url, video_id, note)
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response = super(TwitchIE, 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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def _extract_media(self, item, item_id):
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ITEMS = {
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'a': 'video',
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'c': 'chapter',
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}
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info = 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' % ITEMS[item]))
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response = self._download_json(
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'%s/api/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
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'Downloading %s playlist JSON' % ITEMS[item])
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entries = []
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chunks = response['chunks']
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qualities = list(chunks.keys())
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@ -144,14 +100,7 @@ def _extract_info(self, info):
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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api_base = 'http://api.twitch.tv'
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paged = False
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if mobj.group('channelid'):
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paged = True
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video_id = mobj.group('channelid')
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api = api_base + '/channel/archives/%s.json' % video_id
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elif mobj.group('chapterid'):
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if mobj.group('chapterid'):
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return self._extract_media('c', mobj.group('chapterid'))
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"""
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@ -203,22 +152,25 @@ def _real_extract(self, url):
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}
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return info
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"""
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else:
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elif mobj.group('videoid'):
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return self._extract_media('a', mobj.group('videoid'))
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entries = []
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offset = 0
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limit = self._JUSTIN_PAGE_LIMIT
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for counter in itertools.count(1):
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page_url = api + ('?offset=%d&limit=%d' % (offset, limit))
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page_count, page_info = self._parse_page(
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page_url, video_id, counter)
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entries.extend(page_info)
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if not paged or page_count != limit:
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break
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offset += limit
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return {
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'_type': 'playlist',
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'id': video_id,
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'entries': entries,
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}
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elif mobj.group('channelid'):
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channel_id = mobj.group('channelid')
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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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'%s/kraken/channels/%s/videos/?offset=%d&limit=%d'
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% (self._API_BASE, channel_id, offset, limit),
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channel_id, 'Downloading channel videos JSON page %d' % 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'], 'Twitch') 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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