Fixed #13653: Fixed django.utils.hashcompat to support running on Python 2.4...

"""

The md5 and sha modules are deprecated since Python 2.5, replaced by the

hashlib module containing both hash algorithms. Here, we provide a common

interface to the md5 and sha constructors, preferring the hashlib module when

available.

interface to the md5 and sha constructors, depending on system version.

"""

try:

import sys

if sys.version_info >= (2, 5):

    import hashlib

    md5_constructor = hashlib.md5

    md5_hmac = md5_constructor

    sha_constructor = hashlib.sha1

    sha_hmac = sha_constructor

except ImportError:

else:

    import md5

    md5_constructor = md5.new

    md5_hmac = md5