Current File : //proc/self/root/opt/alt/python27/lib/python2.7/site-packages/beaker/crypto/util.py
from warnings import warn
from beaker import util
try:
# Use PyCrypto (if available)
from Crypto.Hash import HMAC as hmac, SHA as hmac_sha1
sha1 = hmac_sha1.new
except ImportError:
# PyCrypto not available. Use the Python standard library.
import hmac
# When using the stdlib, we have to make sure the hmac version and sha
# version are compatible
if util.py24:
from sha import sha as sha1
import sha as hmac_sha1
else:
# NOTE: We have to use the callable with hashlib (hashlib.sha1),
# otherwise hmac only accepts the sha module object itself
from hashlib import sha1
hmac_sha1 = sha1
if util.py24:
from md5 import md5
else:
from hashlib import md5
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