print WARNINGs during test + minor fix to NBAIE

test/test_download.py

@@ -40,9 +40,18 @@ def _try_rm(filename):
 
 class FileDownloader(youtube_dl.FileDownloader):
     def __init__(self, *args, **kwargs):
+        self._to_stderr = self.to_stderr
         self.to_stderr = self.to_screen
         self.processed_info_dicts = []
         return youtube_dl.FileDownloader.__init__(self, *args, **kwargs)
+    def report_warning(self, message):
+        # let warnings pass to output
+        if sys.stderr.isatty() and os.name != 'nt':
+            _msg_header=u'\033[0;33mWARNING:\033[0m'
+        else:
+            _msg_header=u'WARNING:'
+        warning_message=u'%s %s' % (_msg_header,message)
+        self._to_stderr(warning_message)
     def process_info(self, info_dict):
         self.processed_info_dicts.append(info_dict)
         return youtube_dl.FileDownloader.process_info(self, info_dict)

youtube_dl/InfoExtractors.py

@@ -3183,7 +3183,7 @@ def _real_extract(self, url):
 
         uploader_date = self._search_regex(r'<b>Date:</b> (.*?)</div>', webpage, 'upload_date', fatal=False)
 
-        description = self._search_regex(r'<div class="description">(.*?)</h1>', webpage, 'description', fatal=False)
+        description = self._search_regex(r'<meta name="description" (?:content|value)="(.*?)" />', webpage, 'description', fatal=False)
 
         info = {
             'id': shortened_video_id,