Fixed #10044: You can now assign directly to file fields (instance.filefield = somefile). Thanks, Marty Alchin.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@9766 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/core/files/base.py

@@ -32,6 +32,8 @@ class File(object):
         return self.size
 
     def _get_name(self):
+        if not hasattr(self, '_name'):
+            raise ValueError("This operation requires the file to have a name.")
         return self._name
     name = property(_get_name)