rendezvous.py 文件源码

def hashex(method,    # type: HashMethod
           key,       # type: KeyType
           **options  # type: typing.Any
           ):
    # type: (...) -> int
    if isinstance(key, six.text_type):
        key = key.encode('utf-8')
    if method.name.lower() in hashlib.algorithms_guaranteed:
        return int(hashlib.new(method.name.lower(), key).hexdigest(), 16)
    elif method == HashMethod.MMH3_32:
        return hash_murmur3(key, size=32, **options)
    elif method == HashMethod.MMH3_64:
        return hash_murmur3(key, size=64, **options)
    elif method == HashMethod.MMH3_128:
        return hash_murmur3(key, size=128, **options)
    elif method == HashMethod.SIPHASH:
        return hash_siphash(key, **options)