debian/control: Mark compliance with policy 4.1.1. No further changes needed.

[youtubedl] / youtube_dl / extractor / ustream.py

diff --git a/youtube_dl/extractor/ustream.py b/youtube_dl/extractor/ustream.py
index cfe3a6840af834a1f4740c7c4f7290c63b591096..5737d4d16c853193f5beb08b2eff7126c6be3d3c 100644 (file)
--- a/youtube_dl/extractor/ustream.py
+++ b/youtube_dl/extractor/ustream.py
@@ -1,36 +1,281 @@
+from __future__ import unicode_literals
+
+import random

 import re
 
 from .common import InfoExtractor
 import re
 
 from .common import InfoExtractor

+from ..compat import (
+    compat_str,
+    compat_urlparse,
+)
+from ..utils import (
+    encode_data_uri,
+    ExtractorError,
+    int_or_none,
+    float_or_none,
+    mimetype2ext,
+    str_or_none,
+)

 
 
 class UstreamIE(InfoExtractor):
 
 
 class UstreamIE(InfoExtractor):

-    _VALID_URL = r'https?://www\.ustream\.tv/recorded/(?P<videoID>\d+)'
-    IE_NAME = u'ustream'
+    _VALID_URL = r'https?://(?:www\.)?ustream\.tv/(?P<type>recorded|embed|embed/recorded)/(?P<id>\d+)'
+    IE_NAME = 'ustream'
+    _TESTS = [{
+        'url': 'http://www.ustream.tv/recorded/20274954',
+        'md5': '088f151799e8f572f84eb62f17d73e5c',
+        'info_dict': {
+            'id': '20274954',
+            'ext': 'flv',
+            'title': 'Young Americans for Liberty February 7, 2012 2:28 AM',
+            'description': 'Young Americans for Liberty February 7, 2012 2:28 AM',
+            'timestamp': 1328577035,
+            'upload_date': '20120207',
+            'uploader': 'yaliberty',
+            'uploader_id': '6780869',
+        },
+    }, {
+        # From http://sportscanada.tv/canadagames/index.php/week2/figure-skating/444
+        # Title and uploader available only from params JSON
+        'url': 'http://www.ustream.tv/embed/recorded/59307601?ub=ff0000&lc=ff0000&oc=ffffff&uc=ffffff&v=3&wmode=direct',
+        'md5': '5a2abf40babeac9812ed20ae12d34e10',
+        'info_dict': {
+            'id': '59307601',
+            'ext': 'flv',
+            'title': '-CG11- Canada Games Figure Skating',
+            'uploader': 'sportscanadatv',
+        },
+        'skip': 'This Pro Broadcaster has chosen to remove this video from the ustream.tv site.',
+    }, {
+        'url': 'http://www.ustream.tv/embed/10299409',
+        'info_dict': {
+            'id': '10299409',
+        },
+        'playlist_count': 3,
+    }, {
+        'url': 'http://www.ustream.tv/recorded/91343263',
+        'info_dict': {
+            'id': '91343263',
+            'ext': 'mp4',
+            'title': 'GitHub Universe - General Session - Day 1',
+            'upload_date': '20160914',
+            'description': 'GitHub Universe - General Session - Day 1',
+            'timestamp': 1473872730,
+            'uploader': 'wa0dnskeqkr',
+            'uploader_id': '38977840',
+        },
+        'params': {
+            'skip_download': True,  # m3u8 download
+        },
+    }]
+
+    @staticmethod
+    def _extract_url(webpage):
+        mobj = re.search(
+            r'<iframe[^>]+?src=(["\'])(?P<url>http://www\.ustream\.tv/embed/.+?)\1', webpage)
+        if mobj is not None:
+            return mobj.group('url')
+
+    def _get_stream_info(self, url, video_id, app_id_ver, extra_note=None):
+        def num_to_hex(n):
+            return hex(n)[2:]
+
+        rnd = random.randrange
+
+        if not extra_note:
+            extra_note = ''
+
+        conn_info = self._download_json(
+            'http://r%d-1-%s-recorded-lp-live.ums.ustream.tv/1/ustream' % (rnd(1e8), video_id),
+            video_id, note='Downloading connection info' + extra_note,
+            query={
+                'type': 'viewer',
+                'appId': app_id_ver[0],
+                'appVersion': app_id_ver[1],
+                'rsid': '%s:%s' % (num_to_hex(rnd(1e8)), num_to_hex(rnd(1e8))),
+                'rpin': '_rpin.%d' % rnd(1e15),
+                'referrer': url,
+                'media': video_id,
+                'application': 'recorded',
+            })
+        host = conn_info[0]['args'][0]['host']
+        connection_id = conn_info[0]['args'][0]['connectionId']
+
+        return self._download_json(
+            'http://%s/1/ustream?connectionId=%s' % (host, connection_id),
+            video_id, note='Downloading stream info' + extra_note)
+
+    def _get_streams(self, url, video_id, app_id_ver):
+        # Sometimes the return dict does not have 'stream'
+        for trial_count in range(3):
+            stream_info = self._get_stream_info(
+                url, video_id, app_id_ver,
+                extra_note=' (try %d)' % (trial_count + 1) if trial_count > 0 else '')
+            if 'stream' in stream_info[0]['args'][0]:
+                return stream_info[0]['args'][0]['stream']
+        return []
+
+    def _parse_segmented_mp4(self, dash_stream_info):
+        def resolve_dash_template(template, idx, chunk_hash):
+            return template.replace('%', compat_str(idx), 1).replace('%', chunk_hash)
+
+        formats = []
+        for stream in dash_stream_info['streams']:
+            # Use only one provider to avoid too many formats
+            provider = dash_stream_info['providers'][0]
+            fragments = [{
+                'url': resolve_dash_template(
+                    provider['url'] + stream['initUrl'], 0, dash_stream_info['hashes']['0'])
+            }]
+            for idx in range(dash_stream_info['videoLength'] // dash_stream_info['chunkTime']):
+                fragments.append({
+                    'url': resolve_dash_template(
+                        provider['url'] + stream['segmentUrl'], idx,
+                        dash_stream_info['hashes'][compat_str(idx // 10 * 10)])
+                })
+            content_type = stream['contentType']
+            kind = content_type.split('/')[0]
+            f = {
+                'format_id': '-'.join(filter(None, [
+                    'dash', kind, str_or_none(stream.get('bitrate'))])),
+                'protocol': 'http_dash_segments',
+                # TODO: generate a MPD doc for external players?
+                'url': encode_data_uri(b'<MPD/>', 'text/xml'),
+                'ext': mimetype2ext(content_type),
+                'height': stream.get('height'),
+                'width': stream.get('width'),
+                'fragments': fragments,
+            }
+            if kind == 'video':
+                f.update({
+                    'vcodec': stream.get('codec'),
+                    'acodec': 'none',
+                    'vbr': stream.get('bitrate'),
+                })
+            else:
+                f.update({
+                    'vcodec': 'none',
+                    'acodec': stream.get('codec'),
+                    'abr': stream.get('bitrate'),
+                })
+            formats.append(f)
+        return formats

 
     def _real_extract(self, url):
         m = re.match(self._VALID_URL, url)
 
     def _real_extract(self, url):
         m = re.match(self._VALID_URL, url)

-        video_id = m.group('videoID')
+        video_id = m.group('id')
+
+        # some sites use this embed format (see: https://github.com/rg3/youtube-dl/issues/2990)
+        if m.group('type') == 'embed/recorded':
+            video_id = m.group('id')
+            desktop_url = 'http://www.ustream.tv/recorded/' + video_id
+            return self.url_result(desktop_url, 'Ustream')
+        if m.group('type') == 'embed':
+            video_id = m.group('id')
+            webpage = self._download_webpage(url, video_id)
+            content_video_ids = self._parse_json(self._search_regex(
+                r'ustream\.vars\.offAirContentVideoIds=([^;]+);', webpage,
+                'content video IDs'), video_id)
+            return self.playlist_result(
+                map(lambda u: self.url_result('http://www.ustream.tv/recorded/' + u, 'Ustream'), content_video_ids),
+                video_id)
+
+        params = self._download_json(
+            'https://api.ustream.tv/videos/%s.json' % video_id, video_id)

 
 

-        video_url = u'http://tcdn.ustream.tv/video/%s' % video_id
-        webpage = self._download_webpage(url, video_id)
+        error = params.get('error')
+        if error:
+            raise ExtractorError(
+                '%s returned error: %s' % (self.IE_NAME, error), expected=True)

 
 

-        self.report_extraction(video_id)
+        video = params['video']

 
 

-        video_title = self._html_search_regex(r'data-title="(?P<title>.+)"',
-            webpage, u'title')
+        title = video['title']
+        filesize = float_or_none(video.get('file_size'))

 
 

-        uploader = self._html_search_regex(r'data-content-type="channel".*?>(?P<uploader>.*?)</a>',
-            webpage, u'uploader', fatal=False, flags=re.DOTALL)
+        formats = [{
+            'id': video_id,
+            'url': video_url,
+            'ext': format_id,
+            'filesize': filesize,
+        } for format_id, video_url in video['media_urls'].items() if video_url]
+
+        if not formats:
+            hls_streams = self._get_streams(url, video_id, app_id_ver=(11, 2))
+            if hls_streams:
+                # m3u8_native leads to intermittent ContentTooShortError
+                formats.extend(self._extract_m3u8_formats(
+                    hls_streams[0]['url'], video_id, ext='mp4', m3u8_id='hls'))
+
+            '''
+            # DASH streams handling is incomplete as 'url' is missing
+            dash_streams = self._get_streams(url, video_id, app_id_ver=(3, 1))
+            if dash_streams:
+                formats.extend(self._parse_segmented_mp4(dash_streams))
+            '''
+
+        self._sort_formats(formats)
+
+        description = video.get('description')
+        timestamp = int_or_none(video.get('created_at'))
+        duration = float_or_none(video.get('length'))
+        view_count = int_or_none(video.get('views'))
+
+        uploader = video.get('owner', {}).get('username')
+        uploader_id = video.get('owner', {}).get('id')
+
+        thumbnails = [{
+            'id': thumbnail_id,
+            'url': thumbnail_url,
+        } for thumbnail_id, thumbnail_url in video.get('thumbnail', {}).items()]
+
+        return {
+            'id': video_id,
+            'title': title,
+            'description': description,
+            'thumbnails': thumbnails,
+            'timestamp': timestamp,
+            'duration': duration,
+            'view_count': view_count,
+            'uploader': uploader,
+            'uploader_id': uploader_id,
+            'formats': formats,
+        }
+
+
+class UstreamChannelIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?ustream\.tv/channel/(?P<slug>.+)'
+    IE_NAME = 'ustream:channel'
+    _TEST = {
+        'url': 'http://www.ustream.tv/channel/channeljapan',
+        'info_dict': {
+            'id': '10874166',
+        },
+        'playlist_mincount': 17,
+    }
+
+    def _real_extract(self, url):
+        m = re.match(self._VALID_URL, url)
+        display_id = m.group('slug')
+        webpage = self._download_webpage(url, display_id)
+        channel_id = self._html_search_meta('ustream:channel_id', webpage)

 
 

-        thumbnail = self._html_search_regex(r'<link rel="image_src" href="(?P<thumb>.*?)"',
-            webpage, u'thumbnail', fatal=False)
+        BASE = 'http://www.ustream.tv'
+        next_url = '/ajax/socialstream/videos/%s/1.json' % channel_id
+        video_ids = []
+        while next_url:
+            reply = self._download_json(
+                compat_urlparse.urljoin(BASE, next_url), display_id,
+                note='Downloading video information (next: %d)' % (len(video_ids) + 1))
+            video_ids.extend(re.findall(r'data-content-id="(\d.*)"', reply['data']))
+            next_url = reply['nextUrl']

 
 

-        info = {
-                'id': video_id,
-                'url': video_url,
-                'ext': 'flv',
-                'title': video_title,
-                'uploader': uploader,
-                'thumbnail': thumbnail,
-               }
-        return info
+        entries = [
+            self.url_result('http://www.ustream.tv/recorded/' + vid, 'Ustream')
+            for vid in video_ids]
+        return {
+            '_type': 'playlist',
+            'id': channel_id,
+            'display_id': display_id,
+            'entries': entries,
+        }