[lego] Add new extractor(closes #10369)

youtube_dl/extractor/extractors.py

@@ -437,6 +437,7 @@
 )
 from .learnr import LearnrIE
 from .lecture2go import Lecture2GoIE
+from .lego import LEGOIE
 from .lemonde import LemondeIE
 from .leeco import (
     LeIE,

youtube_dl/extractor/lego.py

@@ -0,0 +1,86 @@
+# coding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+from ..compat import compat_str
+from ..utils import (
+    unescapeHTML,
+    int_or_none,
+)
+
+
+class LEGOIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?lego\.com/(?:[^/]+/)*videos/(?:[^/]+/)*[^/?#]+-(?P<id>[0-9a-f]+)'
+    _TEST = {
+        'url': 'http://www.lego.com/en-us/videos/themes/club/blocumentary-kawaguchi-55492d823b1b4d5e985787fa8c2973b1',
+        'md5': 'f34468f176cfd76488767fc162c405fa',
+        'info_dict': {
+            'id': '55492d823b1b4d5e985787fa8c2973b1',
+            'ext': 'mp4',
+            'title': 'Blocumentary Great Creations: Akiyuki Kawaguchi',
+        }
+    }
+    _BITRATES = [256, 512, 1024, 1536, 2560]
+
+    def _real_extract(self, url):
+        video_id = self._match_id(url)
+        webpage = self._download_webpage(
+            'http://www.lego.com/en-US/mediaplayer/video/' + video_id, video_id)
+        title = self._search_regex(r'<title>(.+?)</title>', webpage, 'title')
+        video_data = self._parse_json(unescapeHTML(self._search_regex(
+            r"video='([^']+)'", webpage, 'video data')), video_id)
+        progressive_base = self._search_regex(
+            r'data-video-progressive-url="([^"]+)"',
+            webpage, 'progressive base', default='https://lc-mediaplayerns-live-s.legocdn.com/')
+        streaming_base = self._search_regex(
+            r'data-video-streaming-url="([^"]+)"',
+            webpage, 'streaming base', default='http://legoprod-f.akamaihd.net/')
+        item_id = video_data['ItemId']
+
+        net_storage_path = video_data.get('NetStoragePath') or '/'.join([item_id[:2], item_id[2:4]])
+        base_path = '_'.join([item_id, video_data['VideoId'], video_data['Locale'], compat_str(video_data['VideoVersion'])])
+        path = '/'.join([net_storage_path, base_path])
+        streaming_path = ','.join(map(lambda bitrate: compat_str(bitrate), self._BITRATES))
+
+        formats = self._extract_akamai_formats(
+            '%si/s/public/%s_,%s,.mp4.csmil/master.m3u8' % (streaming_base, path, streaming_path), video_id)
+        m3u8_formats = list(filter(
+            lambda f: f.get('protocol') == 'm3u8_native' and f.get('vcodec') != 'none' and f.get('resolution') != 'multiple',
+            formats))
+        if len(m3u8_formats) == len(self._BITRATES):
+            self._sort_formats(m3u8_formats)
+            for bitrate, m3u8_format in zip(self._BITRATES, m3u8_formats):
+                progressive_base_url = '%spublic/%s_%d.' % (progressive_base, path, bitrate)
+                mp4_f = m3u8_format.copy()
+                mp4_f.update({
+                    'url': progressive_base_url + 'mp4',
+                    'format_id': m3u8_format['format_id'].replace('hls', 'mp4'),
+                    'protocol': 'http',
+                })
+                web_f = {
+                    'url': progressive_base_url + 'webm',
+                    'format_id': m3u8_format['format_id'].replace('hls', 'webm'),
+                    'width': m3u8_format['width'],
+                    'height': m3u8_format['height'],
+                    'tbr': m3u8_format.get('tbr'),
+                    'ext': 'webm',
+                }
+                formats.extend([web_f, mp4_f])
+        else:
+            for bitrate in self._BITRATES:
+                for ext in ('web', 'mp4'):
+                    formats.append({
+                        'format_id': '%s-%s' % (ext, bitrate),
+                        'url': '%spublic/%s_%d.%s' % (progressive_base, path, bitrate, ext),
+                        'tbr': bitrate,
+                        'ext': ext,
+                    })
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'title': title,
+            'thumbnail': video_data.get('CoverImageUrl'),
+            'duration': int_or_none(video_data.get('Length')),
+            'formats': formats,
+        }