[totem] opensubtitles: Make decoding download items work

[Bastien Nocera <hadess src gnome org>]

commit 9d6a14fc25515772048ef07a2dc7343241277a43
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Jan 30 11:48:56 2014 +0100

    opensubtitles: Make decoding download items work
    
    Stop using StringIO, gzip and base64 modules, and use GLib for
    the base64 decoding, and zlib for the decompression.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723074

 src/plugins/opensubtitles/opensubtitles.py |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/src/plugins/opensubtitles/opensubtitles.py b/src/plugins/opensubtitles/opensubtitles.py
index 111b68e..1d98404 100644
--- a/src/plugins/opensubtitles/opensubtitles.py
+++ b/src/plugins/opensubtitles/opensubtitles.py
@@ -6,6 +6,7 @@ from gi.repository import Gio, Pango, Totem # pylint: disable-msg=E0611
 
 import xmlrpc.client
 import threading
+import zlib
 from os import sep, path, mkdir
 import gettext
 
@@ -354,14 +355,11 @@ class OpenSubtitlesModel (object):
                     self._lock.release ()
                     return (None, error_message)
 
-                import StringIO, gzip, base64
-                subtitle_decoded = base64.decodestring (subtitle64)
-                subtitle_gzipped = StringIO.StringIO (subtitle_decoded)
-                subtitle_gzipped_file = gzip.GzipFile (fileobj=subtitle_gzipped)
+                subtitle_unzipped = zlib.decompress(GLib.base64_decode (subtitle64), 47)
 
                 self._lock.release ()
 
-                return (subtitle_gzipped_file.read (), message)
+                return (subtitle_unzipped, message)
         else:
             message = log_in_message