From 7b91075229953c8c9fa26b7a899265e9680e38d7 Mon Sep 17 00:00:00 2001
From: "Dr. Peter Poeml" <poeml@cmdline.net>
Date: Sun, 16 Mar 2008 19:02:38 +0000
Subject: [PATCH] handle mmap failure on filesystems like NTFS, which may not
 support memory mapping when mounted under Linux

---
 osc/core.py | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/osc/core.py b/osc/core.py
index 81d9c4dc..b037b951 100755
--- a/osc/core.py
+++ b/osc/core.py
@@ -1273,7 +1273,15 @@ def http_request(method, url, data=None, file=None):
         else:
             import mmap
             filefd = open(file, 'r+')
-            data = mmap.mmap(filefd.fileno(), os.path.getsize(file))
+            try:
+                data = mmap.mmap(filefd.fileno(), os.path.getsize(file))
+            except EnvironmentError, e:
+                if e.errno == 19:
+                    sys.exit('\n\n%s\nThe file \'%s\' could not be memory mapped. It is ' \
+                             '\non a filesystem which does not support this.' % (e, file))
+                else:
+                    raise
+
 
     fd = urllib2.urlopen(req, data=data)