bazarr/libs/beaker/crypto/util.py

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from hashlib import md5
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
# 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