From 2dbf2a38a2d59ce0cdad2fa9c942bb536e8546b0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Gra=C3=B1a?= <dangra@gmail.com>
Date: Thu, 23 Feb 2012 19:23:37 -0200
Subject: [PATCH] move buffer pointing to start of file before computing
 checksum. refs #92

---
 scrapy/contrib/pipeline/images.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scrapy/contrib/pipeline/images.py b/scrapy/contrib/pipeline/images.py
index c72b606ed..62aca6de4 100644
--- a/scrapy/contrib/pipeline/images.py
+++ b/scrapy/contrib/pipeline/images.py
@@ -252,6 +252,7 @@ class ImagesPipeline(MediaPipeline):
         checksum = None
         for key, image, buf in self.get_images(response, request, info):
             if checksum is None:
+                buf.seek(0)
                 checksum = md5sum(buf)
             self.store.persist_image(key, image, buf, info)
         return checksum