From 376cbcce263a67ecb9c28a08234a13a916d4cf42 Mon Sep 17 00:00:00 2001
From: Jan Petykiewicz <anewusername@gmail.com>
Date: Wed, 15 May 2019 23:50:31 -0700
Subject: [PATCH] Use buffered IO

free ~10% speedup on read, probably similar on write
---
 masque/file/gdsii.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/masque/file/gdsii.py b/masque/file/gdsii.py
index 8b04bec..37b1a22 100644
--- a/masque/file/gdsii.py
+++ b/masque/file/gdsii.py
@@ -124,7 +124,7 @@ def writefile(patterns: List[Pattern] or Pattern,
     else:
         open_func = open
 
-    with open_func(path, mode='wb') as stream:
+    with io.BufferedWriter(open_func(path, mode='wb')) as stream:
         results = write(patterns, stream, *args, **kwargs)
     return results
 
@@ -218,7 +218,7 @@ def readfile(filename: str or pathlib.Path,
     else:
         open_func = open
 
-    with open_func(path, mode='rb') as stream:
+    with io.BufferedReader(open_func(path, mode='rb')) as stream:
         results = read(stream, *args, **kwargs)
     return results