From 9022f84c05a13d58a03f24cc65439ccc109ee57b Mon Sep 17 00:00:00 2001
From: daniel <none@none>
Date: Wed, 17 Jun 2009 05:01:04 -0300
Subject: [PATCH] decompressionmw: use a temporal filename because None is
 failing in some cases

---
 scrapy/contrib_exp/downloadermiddleware/decompression.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scrapy/contrib_exp/downloadermiddleware/decompression.py b/scrapy/contrib_exp/downloadermiddleware/decompression.py
index 6d30c1cf3..09a387135 100644
--- a/scrapy/contrib_exp/downloadermiddleware/decompression.py
+++ b/scrapy/contrib_exp/downloadermiddleware/decompression.py
@@ -7,6 +7,7 @@ import tarfile
 import gzip
 import bz2
 from cStringIO import StringIO
+from tempfile import mktemp
 
 from scrapy import log
 from scrapy.http import Response
@@ -26,7 +27,7 @@ class DecompressionMiddleware(object):
 
     def is_tar(self, response):
         try:
-            tar_file = tarfile.open(fileobj=self.archive)
+            tar_file = tarfile.open(name=mktemp(), fileobj=self.archive)
         except tarfile.ReadError:
             return False
         if tar_file.members: