From bb8e55366289e0c129ef85abb8c1ac1cbae86a66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jaime=20Marqui=CC=81nez=20Ferra=CC=81ndiz?=
 <jaime.marquinez.ferrandiz@gmail.com>
Date: Sat, 4 Jul 2015 21:41:09 +0200
Subject: [YoutubeDL] format spec: Do not fail when a filter gives an empty
 result

For example with 'best[height<40]' we ended getting a 'IndexError: list index out of range'.
---
 youtube_dl/YoutubeDL.py | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'youtube_dl')

diff --git a/youtube_dl/YoutubeDL.py b/youtube_dl/YoutubeDL.py
index 5a79e5f1d..6478d05dc 100755
--- a/youtube_dl/YoutubeDL.py
+++ b/youtube_dl/YoutubeDL.py
@@ -1005,6 +1005,9 @@ class YoutubeDL(object):
                 format_spec = selector.selector
 
                 def selector_function(formats):
+                    formats = list(formats)
+                    if not formats:
+                        return
                     if format_spec == 'all':
                         for f in formats:
                             yield f
-- 
cgit v1.2.3