[nerdist] Add new extractor (Fixes #4851)

3 files changed, 86 insertions, 2 deletions

diff --git a/youtube_dl/extractor/__init__.py b/youtube_dl/extractor/__init__.py
index 205bd4338..5dcb14feb 100644
--- a/youtube_dl/extractor/__init__.py
+++ b/youtube_dl/extractor/__init__.py
@@ -285,6 +285,7 @@ from .ndr import NDRIE
 from .ndtv import NDTVIE
 from .netzkino import NetzkinoIE
 from .nerdcubed import NerdCubedFeedIE
+from .nerdist import NerdistIE
 from .newgrounds import NewgroundsIE
 from .newstube import NewstubeIE
 from .nextmedia import (
diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 8b4ef3f09..9e517e3ac 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -860,10 +860,13 @@ class InfoExtractor(object):
         return formats
 
     # TODO: improve extraction
-    def _extract_smil_formats(self, smil_url, video_id):
+    def _extract_smil_formats(self, smil_url, video_id, fatal=True):
         smil = self._download_xml(
             smil_url, video_id, 'Downloading SMIL file',
-            'Unable to download SMIL file')
+            'Unable to download SMIL file', fatal=fatal)
+        if smil is False:
+            assert not fatal
+            return []
 
         base = smil.find('./head/meta').get('base')
 
diff --git a/youtube_dl/extractor/nerdist.py b/youtube_dl/extractor/nerdist.py
new file mode 100644
index 000000000..c6dc34be4
--- /dev/null
+++ b/youtube_dl/extractor/nerdist.py
@@ -0,0 +1,80 @@
+# encoding: utf-8
+from __future__ import unicode_literals
+
+from .common import InfoExtractor
+
+from ..utils import (
+    determine_ext,
+    parse_iso8601,
+    xpath_text,
+)
+
+
+class NerdistIE(InfoExtractor):
+    _VALID_URL = r'https?://(?:www\.)?nerdist\.com/vepisode/(?P<id>[^/?#]+)'
+    _TEST = {
+        'url': 'http://www.nerdist.com/vepisode/exclusive-which-dc-characters-w',
+        'md5': '3698ed582931b90d9e81e02e26e89f23',
+        'info_dict': {
+            'display_id': 'exclusive-which-dc-characters-w',
+            'id': 'RPHpvJyr',
+            'ext': 'mp4',
+            'title': 'Your TEEN TITANS Revealed! Who\'s on the show?',
+            'thumbnail': 're:^https?://.*/thumbs/.*\.jpg$',
+            'description': 'Exclusive: Find out which DC Comics superheroes will star in TEEN TITANS Live-Action TV Show on Nerdist News with Jessica Chobot!',
+            'uploader': 'Eric Diaz',
+            'upload_date': '20150202',
+            'timestamp': 1422892808,
+        }
+    }
+
+    def _real_extract(self, url):
+        display_id = self._match_id(url)
+        webpage = self._download_webpage(url, display_id)
+
+        video_id = self._search_regex(
+            r'''(?x)<script\s+(?:type="text/javascript"\s+)?
+                src="https?://content\.nerdist\.com/players/([a-zA-Z0-9_]+)-''',
+            webpage, 'video ID')
+        timestamp = parse_iso8601(self._html_search_meta(
+            'shareaholic:article_published_time', webpage, 'upload date'))
+        uploader = self._html_search_meta(
+            'shareaholic:article_author_name', webpage, 'article author')
+
+        doc = self._download_xml(
+            'http://content.nerdist.com/jw6/%s.xml' % video_id, video_id)
+        video_info = doc.find('.//item')
+        title = xpath_text(video_info, './title', fatal=True)
+        description = xpath_text(video_info, './description')
+        thumbnail = xpath_text(
+            video_info, './{http://rss.jwpcdn.com/}image', 'thumbnail')
+
+        formats = []
+        for source in video_info.findall('./{http://rss.jwpcdn.com/}source'):
+            vurl = source.attrib['file']
+            ext = determine_ext(vurl)
+            if ext == 'm3u8':
+                formats.extend(self._extract_m3u8_formats(
+                    vurl, video_id, entry_protocol='m3u8_native', ext='mp4',
+                    preference=0))
+            elif ext == 'smil':
+                formats.extend(self._extract_smil_formats(
+                    vurl, video_id, fatal=False
+                ))
+            else:
+                formats.append({
+                    'format_id': ext,
+                    'url': vurl,
+                })
+        self._sort_formats(formats)
+
+        return {
+            'id': video_id,
+            'display_id': display_id,
+            'title': title,
+            'description': description,
+            'thumbnail': thumbnail,
+            'timestamp': timestamp,
+            'formats': formats,
+            'uploader': uploader,
+        }