5ef6a844d6
also reduce the amount of memory copying that we do
46 lines
1.4 KiB
Python
46 lines
1.4 KiB
Python
# -*- coding: utf-8 -*-
|
|
# libolm python bindings
|
|
# Copyright © 2015-2017 OpenMarket Ltd
|
|
# Copyright © 2018 Damir Jelić <poljar@termina.org.uk>
|
|
#
|
|
# 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 builtins import bytes, str
|
|
from typing import AnyStr
|
|
|
|
try:
|
|
import secrets
|
|
URANDOM = secrets.token_bytes # pragma: no cover
|
|
except ImportError: # pragma: no cover
|
|
from os import urandom
|
|
URANDOM = urandom # type: ignore
|
|
|
|
|
|
def to_bytearray(string):
|
|
# type: (AnyStr) -> bytes
|
|
if isinstance(string, bytes):
|
|
return bytearray(string)
|
|
elif isinstance(string, str):
|
|
return bytearray(string, "utf-8")
|
|
|
|
raise TypeError("Invalid type {}".format(type(string)))
|
|
|
|
|
|
def to_bytes(string):
|
|
# type: (AnyStr) -> bytes
|
|
if isinstance(string, bytes):
|
|
return string
|
|
elif isinstance(string, str):
|
|
return bytes(string, "utf-8")
|
|
|
|
raise TypeError("Invalid type {}".format(type(string)))
|