53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# -*- coding: utf-8 -*-
|
|
#
|
|
# utils.py
|
|
#
|
|
# Copyright (C) 2006-2026 wolfSSL Inc.
|
|
#
|
|
# This file is part of wolfSSL.
|
|
#
|
|
# wolfSSL is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# wolfSSL is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
|
|
|
# pylint: disable=missing-docstring, unused-import, undefined-variable
|
|
|
|
import sys
|
|
from binascii import hexlify as b2h, unhexlify as h2b # noqa: F401
|
|
|
|
_PY3 = sys.version_info[0] == 3
|
|
_TEXT_TYPE = str if _PY3 else unicode # noqa: F821
|
|
_BINARY_TYPE = bytes if _PY3 else str
|
|
|
|
|
|
class _FFIPlaceholder:
|
|
def __init__(self, cause=None):
|
|
object.__setattr__(self, '_cause', cause)
|
|
|
|
def __getattr__(self, name):
|
|
raise ImportError(
|
|
"wolfssl._ffi is not available. The CFFI bindings have not been "
|
|
"compiled. If you installed wolfssl via pip, the build may have "
|
|
"failed silently. Try reinstalling with: "
|
|
"pip install --no-binary wolfssl wolfssl"
|
|
) from self._cause
|
|
|
|
|
|
def t2b(string):
|
|
"""
|
|
Converts text to binary.
|
|
"""
|
|
if isinstance(string, _BINARY_TYPE):
|
|
return string
|
|
return _TEXT_TYPE(string).encode("utf-8")
|