"""
+ for key,value in categories.items():
+ text_xml+="""
+
+
%s
+ """ % (key,)
+ for val in value:
+ function_name = "add_preference_"+str(val.id)
+ text_xml+= '''
+
+ ''' % (val['product_name'], val['price'] or 0.0, currency['name'], val['note'] or '', function_name, function_name)
+ text_xml+= ('''