From 9c5b0ba6ea6e9aa9d606de2075a3615367d87c6c Mon Sep 17 00:00:00 2001
From: Calen Pennington <calen.pennington@gmail.com>
Date: Wed, 19 Sep 2012 14:54:41 -0400
Subject: [PATCH] Create the data dir to put files in, if it doesn't exist when
 loading a module from mongo

---
 common/lib/xmodule/xmodule/modulestore/mongo.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/common/lib/xmodule/xmodule/modulestore/mongo.py b/common/lib/xmodule/xmodule/modulestore/mongo.py
index 33901947a6..882fa9dda1 100644
--- a/common/lib/xmodule/xmodule/modulestore/mongo.py
+++ b/common/lib/xmodule/xmodule/modulestore/mongo.py
@@ -153,7 +153,12 @@ class MongoModuleStore(ModuleStoreBase):
         Load an XModuleDescriptor from item, using the children stored in data_cache
         """
         data_dir = item.get('metadata', {}).get('data_dir', item['location']['course'])
-        resource_fs = OSFS(self.fs_root / data_dir)
+        root = self.fs_root / data_dir
+        
+        if not root.isdir():
+            root.mkdir()
+
+        resource_fs = OSFS(root)
 
         system = CachingDescriptorSystem(
             self,