From dbddab27992fa609102d512a7762ae8f5b39c55c Mon Sep 17 00:00:00 2001
From: Philipp Hagemeister <phihag@phihag.de>
Date: Sat, 3 Sep 2011 11:32:05 +0200
Subject: [PATCH] Robust error handling in downloading code

---
 youtube-dl | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/youtube-dl b/youtube-dl
index 68c9bc429..3f45e92f2 100755
--- a/youtube-dl
+++ b/youtube-dl
@@ -930,6 +930,7 @@ class FileDownloader(object):
 			if stream is None:
 				try:
 					(stream, tmpfilename) = sanitize_open(tmpfilename, open_mode)
+					assert stream is not None
 					filename = self.undo_temp_name(tmpfilename)
 					self.report_destination(filename)
 				except (OSError, IOError), err:
@@ -951,6 +952,9 @@ class FileDownloader(object):
 			# Apply rate limit
 			self.slow_down(start, byte_counter - resume_len)
 
+		if stream is None:
+			self.trouble(u'\nERROR: Did not get any data blocks')
+			return False
 		stream.close()
 		self.report_finish()
 		if data_len is not None and byte_counter != data_len: