From 3879cf94396869f645ae4c34dcdafed40ccdcdd4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 22 Nov 2013 19:23:35 -0500
Subject: [PATCH] Use slots for OTTableReader

Slight performance gain even.
---
 Lib/fontTools/ttLib/tables/otBase.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Lib/fontTools/ttLib/tables/otBase.py b/Lib/fontTools/ttLib/tables/otBase.py
index 961cebb89..7689912a4 100644
--- a/Lib/fontTools/ttLib/tables/otBase.py
+++ b/Lib/fontTools/ttLib/tables/otBase.py
@@ -84,9 +84,11 @@ class BaseTTXConverter(DefaultTable):
 		self.table.fromXML((name, attrs, content), font)
 
 
-class OTTableReader:
+class OTTableReader(object):
 	
 	"""Helper class to retrieve data from an OpenType table."""
+
+	__slots__ = ('data', 'offset', 'pos', 'tableType', 'valueFormat', 'cachingStats')
 	
 	def __init__(self, data, tableType, offset=0, valueFormat=None, cachingStats=None):
 		self.data = data
@@ -164,7 +166,7 @@ class OTTableReader:
 		return self.valueFormat[which].readValueRecord(self, font)
 
 
-class OTTableWriter:
+class OTTableWriter(object):
 	
 	"""Helper class to gather and assemble data for OpenType tables."""