From b9e2aad874ae82d8347cdfb44d113cd1bc613bf3 Mon Sep 17 00:00:00 2001
From: Julia Medina <who.knows.shia@gmail.com>
Date: Wed, 12 Mar 2014 23:21:33 -0300
Subject: [PATCH] Doc for disabling download handler

---
 docs/topics/settings.rst | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/docs/topics/settings.rst b/docs/topics/settings.rst
index 531862d9d..12dda4322 100644
--- a/docs/topics/settings.rst
+++ b/docs/topics/settings.rst
@@ -380,6 +380,15 @@ A dict containing the request download handlers enabled by default in Scrapy.
 You should never modify this setting in your project, modify
 :setting:`DOWNLOAD_HANDLERS` instead.
 
+If you want to disable any of the above download handlers you must define them
+in your project's :setting:`DOWNLOAD_HANDLERS` setting and assign `None`
+as their value.  For example, if you want to disable the file download
+handler::
+
+    DOWNLOAD_HANDLERS = {
+        'file': None,
+    }
+
 .. setting:: DOWNLOAD_TIMEOUT
 
 DOWNLOAD_TIMEOUT