DeprecationWarning: the sha module is deprecated; use the hashlib module instead

--- a/BitTorrent/ConvertedMetainfo.py
+++ b/BitTorrent/ConvertedMetainfo.py
@@ -15,7 +15,10 @@ from __future__ import generators
 
 import os
 import sys
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 
 from BitTorrent.obsoletepythonsupport import *
 
--- a/BitTorrent/NewVersion.py
+++ b/BitTorrent/NewVersion.py
@@ -15,7 +15,10 @@ import sys
 import zurllib
 import pickle
 import threading
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 
 DEBUG = False
 
--- a/BitTorrent/PeerID.py
+++ b/BitTorrent/PeerID.py
@@ -11,7 +11,10 @@
 # Written by Matt Chisholm
 
 import os
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from time import time
 try:
     getpid = os.getpid
--- a/BitTorrent/StorageWrapper.py
+++ b/BitTorrent/StorageWrapper.py
@@ -12,7 +12,10 @@
 
 from __future__ import division
 
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from array import array
 from binascii import b2a_hex
 
--- a/BitTorrent/download.py
+++ b/BitTorrent/download.py
@@ -19,7 +19,10 @@ import sys
 import threading
 import errno
 import gc
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from socket import error as socketerror
 from random import seed
 from time import time
--- a/BitTorrent/makemetafile.py
+++ b/BitTorrent/makemetafile.py
@@ -16,7 +16,10 @@ from __future__ import division
 
 import os
 import sys
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from time import time
 from threading import Event
 
--- a/BitTorrent/parsedir.py
+++ b/BitTorrent/parsedir.py
@@ -11,7 +11,10 @@
 # Written by John Hoffman and Uoti Urpala
 
 import os
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 
 from BitTorrent.bencode import bencode, bdecode
 from BitTorrent.btformats import check_message
--- a/khashmir/khash.py
+++ b/khashmir/khash.py
@@ -8,7 +8,10 @@
 # for the specific language governing rights and limitations under the
 # License.
 
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from random import randint
 
 #this is ugly, hopefully os.entropy will be in 2.4
--- a/khashmir/khashmir.py
+++ b/khashmir/khashmir.py
@@ -13,7 +13,10 @@ from socket import gethostbyname
 
 from BitTorrent.platform import bttime as time
 
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 import re
 from BitTorrent.defaultargs import common_options, rare_options
 from BitTorrent.RawServer_magic import RawServer
--- a/khashmir/utkhashmir.py
+++ b/khashmir/utkhashmir.py
@@ -13,7 +13,10 @@ from actions import *
 from khash import newID
 from krpc import KRPCProtocolError, KRPCFailSilently
 from cache import Cache
-from sha import sha
+try:
+    from hashlib import sha1 as sha
+except ImportError:
+    from sha import sha
 from util import *
 from threading import Thread
 from socket import gethostbyname