From f49f7d27592a5ed1e7f27f032c1e54d646154c89 Mon Sep 17 00:00:00 2001
From: Ben Greenberg <bgreenberg@eventbrite.com>
Date: Wed, 14 Jun 2017 17:03:34 -0700
Subject: Precalculate sha1 of the script on Script instantiation

---
 redis/client.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'redis')

diff --git a/redis/client.py b/redis/client.py
index 98764ca..385579a 100755
--- a/redis/client.py
+++ b/redis/client.py
@@ -6,6 +6,7 @@ import warnings
 import time
 import threading
 import time as mod_time
+import hashlib
 from redis._compat import (b, basestring, bytes, imap, iteritems, iterkeys,
                            itervalues, izip, long, nativestr, unicode,
                            safe_unicode)
@@ -2932,7 +2933,7 @@ class Script(object):
     def __init__(self, registered_client, script):
         self.registered_client = registered_client
         self.script = script
-        self.sha = ''
+        self.sha = hashlib.sha1(script).hexdigest()
 
     def __call__(self, keys=[], args=[], client=None):
         "Execute the script, passing any required ``args``"
-- 
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