Django-1.2.1/build/lib.linux-i686-2.6/django/utils/hashcompat.py

   1 """
   2 The md5 and sha modules are deprecated since Python 2.5, replaced by the
   3 hashlib module containing both hash algorithms. Here, we provide a common
   4 interface to the md5 and sha constructors, preferring the hashlib module when
   5 available.
   6 """
   7
   8 try:
   9     import hashlib
  10     md5_constructor = hashlib.md5
  11     md5_hmac = md5_constructor
  12     sha_constructor = hashlib.sha1
  13     sha_hmac = sha_constructor
  14 except ImportError:
  15     import md5
  16     md5_constructor = md5.new
  17     md5_hmac = md5
  18     import sha
  19     sha_constructor = sha.new
  20     sha_hmac = sha