# HG changeset patch
# User sylvain.thenault@logilab.fr
# Date 1236879656 -3600
# Node ID 2353d14720944fafe78b032c32b8da5c41871af8
# Parent  739d4dce9b19aa2f609dee357bb2e1d55f1c6020
backport has_format method from entity

diff -r 739d4dce9b19 -r 2353d1472094 schema.py
--- a/schema.py	Thu Mar 12 18:40:24 2009 +0100
+++ b/schema.py	Thu Mar 12 18:40:56 2009 +0100
@@ -329,6 +329,12 @@
         """
         return self.has_subject_relation('%s_format' % attr)
 
+    def has_format(self, attr):
+        """return true if this entity's schema has an encoding field for the given
+        attribute
+        """
+        return self.has_subject_relation('%s_format' % attr)
+
     def rich_text_fields(self):
         """return an iterator on (attribute, format attribute) of rich text field