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# Copyright 2013 Donald Stufft and individual contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from nacl import exceptions as exc
from nacl._sodium import ffi, lib
from nacl.exceptions import ensure
def _sodium_init() -> None:
ensure(
lib.sodium_init() != -1,
"Could not initialize sodium",
raising=exc.RuntimeError,
)
def sodium_init() -> None:
"""
Initializes sodium, picking the best implementations available for this
machine.
"""
ffi.init_once(_sodium_init, "libsodium")
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