From: Sergey M․ <dstftw@gmail.com>
Date: Sat, 2 Dec 2017 14:15:45 +0000 (+0700)
Subject: [downloader/fragment] Commit part file after each fragment
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=youtube-dl;a=commitdiff_plain;h=593f2f798922d54be8d3f20f4a2048493095016d

[downloader/fragment] Commit part file after each fragment
In order to obtain correct resume_len on next iteration
---

diff --git a/youtube_dl/downloader/fragment.py b/youtube_dl/downloader/fragment.py
index 93002e45a..7bb61a541 100644
--- a/youtube_dl/downloader/fragment.py
+++ b/youtube_dl/downloader/fragment.py
@@ -107,6 +107,7 @@ class FragmentFD(FileDownloader):
     def _append_fragment(self, ctx, frag_content):
         try:
             ctx['dest_stream'].write(frag_content)
+            ctx['dest_stream'].flush()
         finally:
             if self.__do_ytdl_file(ctx):
                 self._write_ytdl_file(ctx)