From db75f14d8a6eb998f08d2774f5d609a02ef13646 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Wed, 30 Nov 2016 04:19:38 +0700
Subject: [PATCH] [ruutu] Detect DRM videos

---
 youtube_dl/extractor/ruutu.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/youtube_dl/extractor/ruutu.py b/youtube_dl/extractor/ruutu.py
index 2fce4e81b7..6db3e3e932 100644
--- a/youtube_dl/extractor/ruutu.py
+++ b/youtube_dl/extractor/ruutu.py
@@ -5,6 +5,7 @@ from .common import InfoExtractor
 from ..compat import compat_urllib_parse_urlparse
 from ..utils import (
     determine_ext,
+    ExtractorError,
     int_or_none,
     xpath_attr,
     xpath_text,
@@ -101,6 +102,11 @@ class RuutuIE(InfoExtractor):
                         })
 
         extract_formats(video_xml.find('./Clip'))
+
+        drm = xpath_text(video_xml, './Clip/DRM', default=None)
+        if not formats and drm:
+            raise ExtractorError('This video is DRM protected.', expected=True)
+
         self._sort_formats(formats)
 
         return {