Ticket #11159: test-client-content-type.1.1.diff

django/test/client.py

@@ -3 +3 @@
 import sys
 import os
 import re
+import mimetypes
 try:
     from cStringIO import StringIO
 except ImportError:
@@ -137 +138 @@
         '--' + boundary,
         'Content-Disposition: form-data; name="%s"; filename="%s"' \
             % (to_str(key), to_str(os.path.basename(file.name))),
-        'Content-Type: application/octet-stream',
+        'Content-Type: %s' % mimetypes.guess_type(file.name)[0] or 'application/octet-stream',
         '',
         file.read()
     ]