commit 46fd0dd5a5a8d98b76830636a3dcd241ac7bcc7f
parent 4698f0d85839f340fd33a387247efe39828384af
Author: Sergey M․ <dstftw@gmail.com>
Date: Fri, 17 Oct 2014 22:58:18 +0700
[twitch] Rename extractor and support channel videos
Diffstat:
3 files changed, 177 insertions(+), 225 deletions(-)
diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
@@ -173,7 +173,6 @@ from .jadorecettepub import JadoreCettePubIE
from .jeuxvideo import JeuxVideoIE
from .jove import JoveIE
from .jukebox import JukeboxIE
-from .justintv import JustinTVIE
from .jpopsukitv import JpopsukiIE
from .kankan import KankanIE
from .keezmovies import KeezMoviesIE
@@ -395,6 +394,7 @@ from .tutv import TutvIE
from .tvigle import TvigleIE
from .tvp import TvpIE
from .tvplay import TVPlayIE
+from .twitch import TwitchIE
from .ubu import UbuIE
from .udemy import (
UdemyIE,
diff --git a/youtube_dl/extractor/justintv.py b/youtube_dl/extractor/justintv.py
@@ -1,224 +0,0 @@
-from __future__ import unicode_literals
-
-import itertools
-import json
-import os
-import re
-
-from .common import InfoExtractor
-from ..utils import (
- compat_str,
- ExtractorError,
- formatSeconds,
- parse_iso8601,
-)
-
-
-class JustinTVIE(InfoExtractor):
- """Information extractor for justin.tv and twitch.tv"""
- # TODO: One broadcast may be split into multiple videos. The key
- # 'broadcast_id' is the same for all parts, and 'broadcast_part'
- # starts at 1 and increases. Can we treat all parts as one video?
-
- _VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?(?:twitch|justin)\.tv/
- (?:
- (?P<channelid>[^/]+)|
- (?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
- (?:(?:[^/]+)/c/(?P<chapterid>[^/]+))
- )
- /?(?:\#.*)?$
- """
- _JUSTIN_PAGE_LIMIT = 100
- IE_NAME = 'justin.tv'
- IE_DESC = 'justin.tv and twitch.tv'
- _TEST = {
- 'url': 'http://www.twitch.tv/thegamedevhub/b/296128360',
- 'md5': 'ecaa8a790c22a40770901460af191c9a',
- 'info_dict': {
- 'id': '296128360',
- 'ext': 'flv',
- 'upload_date': '20110927',
- 'uploader_id': 25114803,
- 'uploader': 'thegamedevhub',
- 'title': 'Beginner Series - Scripting With Python Pt.1'
- }
- }
-
- _API_BASE = 'https://api.twitch.tv'
-
- # Return count of items, list of *valid* items
- def _parse_page(self, url, video_id, counter):
- info_json = self._download_webpage(
- url, video_id,
- 'Downloading video info JSON on page %d' % counter,
- 'Unable to download video info JSON %d' % counter)
-
- response = json.loads(info_json)
- if type(response) != list:
- error_text = response.get('error', 'unknown error')
- raise ExtractorError('Justin.tv API: %s' % error_text)
- info = []
- for clip in response:
- video_url = clip['video_file_url']
- if video_url:
- video_extension = os.path.splitext(video_url)[1][1:]
- video_date = re.sub('-', '', clip['start_time'][:10])
- video_uploader_id = clip.get('user_id', clip.get('channel_id'))
- video_id = clip['id']
- video_title = clip.get('title', video_id)
- info.append({
- 'id': compat_str(video_id),
- 'url': video_url,
- 'title': video_title,
- 'uploader': clip.get('channel_name', video_uploader_id),
- 'uploader_id': video_uploader_id,
- 'upload_date': video_date,
- 'ext': video_extension,
- })
- return (len(response), info)
-
- def _handle_error(self, response):
- if not isinstance(response, dict):
- return
- error = response.get('error')
- if error:
- raise ExtractorError(
- '%s returned error: %s - %s' % (self.IE_NAME, error, response.get('message')),
- expected=True)
-
- def _download_json(self, url, video_id, note='Downloading JSON metadata'):
- response = super(JustinTVIE, self)._download_json(url, video_id, note)
- self._handle_error(response)
- return response
-
- def _extract_media(self, item, item_id):
-
- ITEMS = {
- 'a': 'video',
- 'c': 'chapter',
- }
-
- info = self._extract_info(self._download_json(
- '%s/kraken/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
- 'Downloading %s info JSON' % ITEMS[item]))
-
- response = self._download_json(
- '%s/api/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
- 'Downloading %s playlist JSON' % ITEMS[item])
-
- entries = []
- chunks = response['chunks']
- qualities = list(chunks.keys())
- for num, fragment in enumerate(zip(*chunks.values()), start=1):
- formats = []
- for fmt_num, fragment_fmt in enumerate(fragment):
- format_id = qualities[fmt_num]
- fmt = {
- 'url': fragment_fmt['url'],
- 'format_id': format_id,
- 'quality': 1 if format_id == 'live' else 0,
- }
- m = re.search(r'^(?P<height>\d+)[Pp]', format_id)
- if m:
- fmt['height'] = int(m.group('height'))
- formats.append(fmt)
- self._sort_formats(formats)
- entry = dict(info)
- entry['title'] = '%s part %d' % (entry['title'], num)
- entry['formats'] = formats
- entries.append(entry)
- return entries
-
- def _extract_info(self, info):
- return {
- 'id': info['_id'],
- 'title': info['title'],
- 'description': info['description'],
- 'duration': info['length'],
- 'thumbnail': info['preview'],
- 'uploader': info['channel']['display_name'],
- 'uploader_id': info['channel']['name'],
- 'timestamp': parse_iso8601(info['recorded_at']),
- 'view_count': info['views'],
- }
-
- def _real_extract(self, url):
- mobj = re.match(self._VALID_URL, url)
-
- api_base = 'http://api.twitch.tv'
- paged = False
- if mobj.group('channelid'):
- paged = True
- video_id = mobj.group('channelid')
- api = api_base + '/channel/archives/%s.json' % video_id
- elif mobj.group('chapterid'):
- return self._extract_media('c', mobj.group('chapterid'))
-
- """
- webpage = self._download_webpage(url, chapter_id)
- m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
- if not m:
- raise ExtractorError('Cannot find archive of a chapter')
- archive_id = m.group(1)
-
- api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
- doc = self._download_xml(
- api, chapter_id,
- note='Downloading chapter information',
- errnote='Chapter information download failed')
- for a in doc.findall('.//archive'):
- if archive_id == a.find('./id').text:
- break
- else:
- raise ExtractorError('Could not find chapter in chapter information')
-
- video_url = a.find('./video_file_url').text
- video_ext = video_url.rpartition('.')[2] or 'flv'
-
- chapter_api_url = 'https://api.twitch.tv/kraken/videos/c' + chapter_id
- chapter_info = self._download_json(
- chapter_api_url, 'c' + chapter_id,
- note='Downloading chapter metadata',
- errnote='Download of chapter metadata failed')
-
- bracket_start = int(doc.find('.//bracket_start').text)
- bracket_end = int(doc.find('.//bracket_end').text)
-
- # TODO determine start (and probably fix up file)
- # youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
- #video_url += '?start=' + TODO:start_timestamp
- # bracket_start is 13290, but we want 51670615
- self._downloader.report_warning('Chapter detected, but we can just download the whole file. '
- 'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end)))
-
- info = {
- 'id': 'c' + chapter_id,
- 'url': video_url,
- 'ext': video_ext,
- 'title': chapter_info['title'],
- 'thumbnail': chapter_info['preview'],
- 'description': chapter_info['description'],
- 'uploader': chapter_info['channel']['display_name'],
- 'uploader_id': chapter_info['channel']['name'],
- }
- return info
- """
- else:
- return self._extract_media('a', mobj.group('videoid'))
-
- entries = []
- offset = 0
- limit = self._JUSTIN_PAGE_LIMIT
- for counter in itertools.count(1):
- page_url = api + ('?offset=%d&limit=%d' % (offset, limit))
- page_count, page_info = self._parse_page(
- page_url, video_id, counter)
- entries.extend(page_info)
- if not paged or page_count != limit:
- break
- offset += limit
- return {
- '_type': 'playlist',
- 'id': video_id,
- 'entries': entries,
- }
diff --git a/youtube_dl/extractor/twitch.py b/youtube_dl/extractor/twitch.py
@@ -0,0 +1,176 @@
+from __future__ import unicode_literals
+
+import itertools
+import re
+
+from .common import InfoExtractor
+from ..utils import (
+ ExtractorError,
+ parse_iso8601,
+)
+
+
+class TwitchIE(InfoExtractor):
+ # TODO: One broadcast may be split into multiple videos. The key
+ # 'broadcast_id' is the same for all parts, and 'broadcast_part'
+ # starts at 1 and increases. Can we treat all parts as one video?
+ _VALID_URL = r"""(?x)^(?:http://)?(?:www\.)?twitch\.tv/
+ (?:
+ (?P<channelid>[^/]+)|
+ (?:(?:[^/]+)/b/(?P<videoid>[^/]+))|
+ (?:(?:[^/]+)/c/(?P<chapterid>[^/]+))
+ )
+ /?(?:\#.*)?$
+ """
+ _PAGE_LIMIT = 100
+ _API_BASE = 'https://api.twitch.tv'
+ _TEST = {
+ 'url': 'http://www.twitch.tv/thegamedevhub/b/296128360',
+ 'md5': 'ecaa8a790c22a40770901460af191c9a',
+ 'info_dict': {
+ 'id': '296128360',
+ 'ext': 'flv',
+ 'upload_date': '20110927',
+ 'uploader_id': 25114803,
+ 'uploader': 'thegamedevhub',
+ 'title': 'Beginner Series - Scripting With Python Pt.1'
+ }
+ }
+
+ def _handle_error(self, response):
+ if not isinstance(response, dict):
+ return
+ error = response.get('error')
+ if error:
+ raise ExtractorError(
+ '%s returned error: %s - %s' % (self.IE_NAME, error, response.get('message')),
+ expected=True)
+
+ def _download_json(self, url, video_id, note='Downloading JSON metadata'):
+ response = super(TwitchIE, self)._download_json(url, video_id, note)
+ self._handle_error(response)
+ return response
+
+ def _extract_media(self, item, item_id):
+ ITEMS = {
+ 'a': 'video',
+ 'c': 'chapter',
+ }
+ info = self._extract_info(self._download_json(
+ '%s/kraken/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
+ 'Downloading %s info JSON' % ITEMS[item]))
+ response = self._download_json(
+ '%s/api/videos/%s%s' % (self._API_BASE, item, item_id), item_id,
+ 'Downloading %s playlist JSON' % ITEMS[item])
+ entries = []
+ chunks = response['chunks']
+ qualities = list(chunks.keys())
+ for num, fragment in enumerate(zip(*chunks.values()), start=1):
+ formats = []
+ for fmt_num, fragment_fmt in enumerate(fragment):
+ format_id = qualities[fmt_num]
+ fmt = {
+ 'url': fragment_fmt['url'],
+ 'format_id': format_id,
+ 'quality': 1 if format_id == 'live' else 0,
+ }
+ m = re.search(r'^(?P<height>\d+)[Pp]', format_id)
+ if m:
+ fmt['height'] = int(m.group('height'))
+ formats.append(fmt)
+ self._sort_formats(formats)
+ entry = dict(info)
+ entry['title'] = '%s part %d' % (entry['title'], num)
+ entry['formats'] = formats
+ entries.append(entry)
+ return entries
+
+ def _extract_info(self, info):
+ return {
+ 'id': info['_id'],
+ 'title': info['title'],
+ 'description': info['description'],
+ 'duration': info['length'],
+ 'thumbnail': info['preview'],
+ 'uploader': info['channel']['display_name'],
+ 'uploader_id': info['channel']['name'],
+ 'timestamp': parse_iso8601(info['recorded_at']),
+ 'view_count': info['views'],
+ }
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ if mobj.group('chapterid'):
+ return self._extract_media('c', mobj.group('chapterid'))
+
+ """
+ webpage = self._download_webpage(url, chapter_id)
+ m = re.search(r'PP\.archive_id = "([0-9]+)";', webpage)
+ if not m:
+ raise ExtractorError('Cannot find archive of a chapter')
+ archive_id = m.group(1)
+
+ api = api_base + '/broadcast/by_chapter/%s.xml' % chapter_id
+ doc = self._download_xml(
+ api, chapter_id,
+ note='Downloading chapter information',
+ errnote='Chapter information download failed')
+ for a in doc.findall('.//archive'):
+ if archive_id == a.find('./id').text:
+ break
+ else:
+ raise ExtractorError('Could not find chapter in chapter information')
+
+ video_url = a.find('./video_file_url').text
+ video_ext = video_url.rpartition('.')[2] or 'flv'
+
+ chapter_api_url = 'https://api.twitch.tv/kraken/videos/c' + chapter_id
+ chapter_info = self._download_json(
+ chapter_api_url, 'c' + chapter_id,
+ note='Downloading chapter metadata',
+ errnote='Download of chapter metadata failed')
+
+ bracket_start = int(doc.find('.//bracket_start').text)
+ bracket_end = int(doc.find('.//bracket_end').text)
+
+ # TODO determine start (and probably fix up file)
+ # youtube-dl -v http://www.twitch.tv/firmbelief/c/1757457
+ #video_url += '?start=' + TODO:start_timestamp
+ # bracket_start is 13290, but we want 51670615
+ self._downloader.report_warning('Chapter detected, but we can just download the whole file. '
+ 'Chapter starts at %s and ends at %s' % (formatSeconds(bracket_start), formatSeconds(bracket_end)))
+
+ info = {
+ 'id': 'c' + chapter_id,
+ 'url': video_url,
+ 'ext': video_ext,
+ 'title': chapter_info['title'],
+ 'thumbnail': chapter_info['preview'],
+ 'description': chapter_info['description'],
+ 'uploader': chapter_info['channel']['display_name'],
+ 'uploader_id': chapter_info['channel']['name'],
+ }
+ return info
+ """
+ elif mobj.group('videoid'):
+ return self._extract_media('a', mobj.group('videoid'))
+ elif mobj.group('channelid'):
+ channel_id = mobj.group('channelid')
+ info = self._download_json(
+ '%s/kraken/channels/%s' % (self._API_BASE, channel_id),
+ channel_id, 'Downloading channel info JSON')
+ channel_name = info.get('display_name') or info.get('name')
+ entries = []
+ offset = 0
+ limit = self._PAGE_LIMIT
+ for counter in itertools.count(1):
+ response = self._download_json(
+ '%s/kraken/channels/%s/videos/?offset=%d&limit=%d'
+ % (self._API_BASE, channel_id, offset, limit),
+ channel_id, 'Downloading channel videos JSON page %d' % counter)
+ videos = response['videos']
+ if not videos:
+ break
+ entries.extend([self.url_result(video['url'], 'Twitch') for video in videos])
+ offset += limit
+ return self.playlist_result(entries, channel_id, channel_name)
