You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
5.9 KiB
154 lines
5.9 KiB
from __future__ import unicode_literals |
|
|
|
import json |
|
import os |
|
import re |
|
|
|
from .common import InfoExtractor |
|
from ..utils import ( |
|
compat_str, |
|
ExtractorError, |
|
formatSeconds, |
|
) |
|
|
|
|
|
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' |
|
} |
|
} |
|
|
|
# Return count of items, list of *valid* items |
|
def _parse_page(self, url, video_id): |
|
info_json = self._download_webpage(url, video_id, |
|
'Downloading video info JSON', |
|
'unable to download video info JSON') |
|
|
|
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 _real_extract(self, url): |
|
mobj = re.match(self._VALID_URL, url) |
|
|
|
api_base = 'http://api.justin.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'): |
|
chapter_id = 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: |
|
video_id = mobj.group('videoid') |
|
api = api_base + '/broadcast/by_archive/%s.json' % video_id |
|
|
|
entries = [] |
|
offset = 0 |
|
limit = self._JUSTIN_PAGE_LIMIT |
|
while True: |
|
if paged: |
|
self.report_download_page(video_id, offset) |
|
page_url = api + ('?offset=%d&limit=%d' % (offset, limit)) |
|
page_count, page_info = self._parse_page(page_url, video_id) |
|
entries.extend(page_info) |
|
if not paged or page_count != limit: |
|
break |
|
offset += limit |
|
return { |
|
'_type': 'playlist', |
|
'id': video_id, |
|
'entries': entries, |
|
}
|
|
|