From: Zooko O'Whielacronx <zooko@zooko.com>
Date: Mon, 14 Dec 2009 21:27:03 +0000 (-0800)
Subject: use hashlib module if available, thus avoiding a DeprecationWarning for importing... 
X-Git-Tag: trac-4200~70
X-Git-Url: https://git.rkrishnan.org/%5B/%5D%20/uri/using.html?a=commitdiff_plain;h=b69e1c600dc7ff7fb20391f15256b04569fd4a3c;p=tahoe-lafs%2Ftahoe-lafs.git

use hashlib module if available, thus avoiding a DeprecationWarning for importing the old sha module; fixes #859
---

diff --git a/src/allmydata/storage_client.py b/src/allmydata/storage_client.py
index 69161924..d12cb8b7 100644
--- a/src/allmydata/storage_client.py
+++ b/src/allmydata/storage_client.py
@@ -28,7 +28,15 @@ the foolscap-based server implemented in src/allmydata/storage/*.py .
 #
 # 6: implement other sorts of IStorageClient classes: S3, etc
 
-import sha, time
+try:
+    from hashlib import sha1
+except ImportError:
+    # hashlib was added in Python 2.5
+    import sha
+    def sha1(x):
+        return sha.new(x)
+
+import time
 from zope.interface import implements, Interface
 from foolscap.api import eventually
 from allmydata.interfaces import IStorageBroker
@@ -119,7 +127,7 @@ class StorageFarmBroker:
         assert self.permute_peers == True
         servers = self.get_all_servers()
         key = peer_selection_index
-        return sorted(servers, key=lambda x: sha.new(key+x[0]).digest())
+        return sorted(servers, key=lambda x: sha1(key+x[0]).digest())
 
     def get_all_servers(self):
         # return a frozenset of (peerid, versioned-rref) tuples