From cf61d96df0984e28d8c34328177504a2d1424bd2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Sergey=20M=E2=80=A4?= <dstftw@gmail.com>
Date: Tue, 14 Jul 2015 22:38:10 +0600
Subject: [PATCH] [extractor/common] Add _form_hidden_inputs

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

diff --git a/youtube_dl/extractor/common.py b/youtube_dl/extractor/common.py
index 315fe4a72..3a396c0b0 100644
--- a/youtube_dl/extractor/common.py
+++ b/youtube_dl/extractor/common.py
@@ -718,6 +718,12 @@ class InfoExtractor(object):
                 ''', html)
         ])
 
+    def _form_hidden_inputs(self, form_id, html):
+        form = self._search_regex(
+            r'(?s)<form[^>]+?id=(["\'])%s\1[^>]*>(?P<form>.+?)</form>' % form_id,
+            html, '%s form' % form_id, group='form')
+        return self._hidden_inputs(form)
+
     def _sort_formats(self, formats, field_preference=None):
         if not formats:
             raise ExtractorError('No video formats found')
-- 
2.22.2