[justin.tv] move into own file
This commit is contained in:
Philipp Hagemeister
parent
48db0b1f4a
commit
79e93125d0
2 changed files with 145 additions and 132 deletions
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@ -33,6 +33,7 @@ from .extractor.generic import GenericIE
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from .extractor.googleplus import GooglePlusIE
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from .extractor.googleplus import GooglePlusIE
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from .extractor.googlesearch import GoogleSearchIE
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from .extractor.googlesearch import GoogleSearchIE
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from .extractor.infoq import InfoQIE
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from .extractor.infoq import InfoQIE
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from .extractor.justintv import JustinTVIE
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from .extractor.metacafe import MetacafeIE
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from .extractor.metacafe import MetacafeIE
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from .extractor.mixcloud import MixcloudIE
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from .extractor.mixcloud import MixcloudIE
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from .extractor.mtv import MTVIE
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from .extractor.mtv import MTVIE
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@ -65,138 +66,6 @@ from .extractor.zdf import ZDFIE
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class JustinTVIE(InfoExtractor):
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"""Information extractor for justin.tv and twitch.tv"""
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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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(?:
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(?P<channelid>[^/]+)|
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(?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
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(?:(?:[^/]+)/c/(?P<chapterid>[^/]+))
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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 = u'justin.tv'
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def report_download_page(self, channel, offset):
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"""Report attempt to download a single page of videos."""
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self.to_screen(u'%s: Downloading video information from %d to %d' %
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(channel, offset, offset + self._JUSTIN_PAGE_LIMIT))
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# Return count of items, list of *valid* items
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def _parse_page(self, url, video_id):
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webpage = self._download_webpage(url, video_id,
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u'Downloading video info JSON',
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u'unable to download video info JSON')
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response = json.loads(webpage)
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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(u'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': 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 _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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raise ExtractorError(u'invalid URL: %s' % url)
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api_base = 'http://api.justin.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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chapter_id = mobj.group('chapterid')
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webpage = self._download_webpage(url, chapter_id)
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m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
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if not m:
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raise ExtractorError(u'Cannot find archive of a chapter')
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archive_id = m.group(1)
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api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
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chapter_info_xml = self._download_webpage(api, chapter_id,
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note=u'Downloading chapter information',
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errnote=u'Chapter information download failed')
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doc = xml.etree.ElementTree.fromstring(chapter_info_xml)
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for a in doc.findall('.//archive'):
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if archive_id == a.find('./id').text:
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break
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else:
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raise ExtractorError(u'Could not find chapter in chapter information')
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video_url = a.find('./video_file_url').text
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video_ext = video_url.rpartition('.')[2] or u'flv'
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chapter_api_url = u'https://api.twitch.tv/kraken/videos/c' + chapter_id
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chapter_info_json = self._download_webpage(chapter_api_url, u'c' + chapter_id,
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note='Downloading chapter metadata',
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errnote='Download of chapter metadata failed')
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chapter_info = json.loads(chapter_info_json)
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bracket_start = int(doc.find('.//bracket_start').text)
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bracket_end = int(doc.find('.//bracket_end').text)
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# TODO determine start (and probably fix up file)
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# youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
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#video_url += u'?start=' + TODO:start_timestamp
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# bracket_start is 13290, but we want 51670615
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self._downloader.report_warning(u'Chapter detected, but we can just download the whole file. '
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u'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end)))
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info = {
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'id': u'c' + chapter_id,
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'url': video_url,
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'ext': video_ext,
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'title': chapter_info['title'],
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'thumbnail': chapter_info['preview'],
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'description': chapter_info['description'],
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'uploader': chapter_info['channel']['display_name'],
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'uploader_id': chapter_info['channel']['name'],
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}
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return [info]
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else:
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video_id = mobj.group('videoid')
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api = api_base + '/broadcast/by_archive/%s.json' % video_id
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self.report_extraction(video_id)
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info = []
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offset = 0
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limit = self._JUSTIN_PAGE_LIMIT
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while True:
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if paged:
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self.report_download_page(video_id, offset)
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page_url = api + ('?offset=%d&limit=%d' % (offset, limit))
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page_count, page_info = self._parse_page(page_url, video_id)
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info.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 info
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144
youtube_dl/extractor/justintv.py
Normal file
144
youtube_dl/extractor/justintv.py
Normal file
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@ -0,0 +1,144 @@
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import json
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import os
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import re
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import xml.etree.ElementTree
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from .common import InfoExtractor
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from ..utils import (
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ExtractorError,
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formatSeconds,
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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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# 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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(?:
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(?P<channelid>[^/]+)|
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(?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
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(?:(?:[^/]+)/c/(?P<chapterid>[^/]+))
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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 = u'justin.tv'
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def report_download_page(self, channel, offset):
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"""Report attempt to download a single page of videos."""
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self.to_screen(u'%s: Downloading video information from %d to %d' %
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(channel, offset, offset + self._JUSTIN_PAGE_LIMIT))
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# Return count of items, list of *valid* items
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def _parse_page(self, url, video_id):
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webpage = self._download_webpage(url, video_id,
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u'Downloading video info JSON',
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u'unable to download video info JSON')
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response = json.loads(webpage)
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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(u'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': 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 _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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if mobj is None:
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raise ExtractorError(u'invalid URL: %s' % url)
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api_base = 'http://api.justin.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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chapter_id = mobj.group('chapterid')
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webpage = self._download_webpage(url, chapter_id)
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m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
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if not m:
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raise ExtractorError(u'Cannot find archive of a chapter')
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archive_id = m.group(1)
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api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
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chapter_info_xml = self._download_webpage(api, chapter_id,
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note=u'Downloading chapter information',
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errnote=u'Chapter information download failed')
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doc = xml.etree.ElementTree.fromstring(chapter_info_xml)
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for a in doc.findall('.//archive'):
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if archive_id == a.find('./id').text:
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break
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else:
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raise ExtractorError(u'Could not find chapter in chapter information')
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video_url = a.find('./video_file_url').text
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video_ext = video_url.rpartition('.')[2] or u'flv'
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chapter_api_url = u'https://api.twitch.tv/kraken/videos/c' + chapter_id
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chapter_info_json = self._download_webpage(chapter_api_url, u'c' + chapter_id,
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note='Downloading chapter metadata',
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errnote='Download of chapter metadata failed')
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chapter_info = json.loads(chapter_info_json)
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bracket_start = int(doc.find('.//bracket_start').text)
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bracket_end = int(doc.find('.//bracket_end').text)
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# TODO determine start (and probably fix up file)
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# youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
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#video_url += u'?start=' + TODO:start_timestamp
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# bracket_start is 13290, but we want 51670615
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self._downloader.report_warning(u'Chapter detected, but we can just download the whole file. '
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u'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end)))
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info = {
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'id': u'c' + chapter_id,
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'url': video_url,
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'ext': video_ext,
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'title': chapter_info['title'],
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'thumbnail': chapter_info['preview'],
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'description': chapter_info['description'],
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'uploader': chapter_info['channel']['display_name'],
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'uploader_id': chapter_info['channel']['name'],
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}
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return [info]
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else:
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video_id = mobj.group('videoid')
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api = api_base + '/broadcast/by_archive/%s.json' % video_id
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self.report_extraction(video_id)
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info = []
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offset = 0
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limit = self._JUSTIN_PAGE_LIMIT
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while True:
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if paged:
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self.report_download_page(video_id, offset)
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page_url = api + ('?offset=%d&limit=%d' % (offset, limit))
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page_count, page_info = self._parse_page(page_url, video_id)
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info.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 info
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