47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
|
#
|
||
|
|
# This file is part of pyasn1 software.
|
||
|
|
#
|
||
|
|
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
|
||
|
|
# License: https://pyasn1.readthedocs.io/en/latest/license.html
|
||
|
|
#
|
||
|
|
from sys import version_info
|
||
|
|
|
||
|
|
if version_info[0] <= 2:
|
||
|
|
int2oct = chr
|
||
|
|
# noinspection PyPep8
|
||
|
|
ints2octs = lambda s: ''.join([int2oct(x) for x in s])
|
||
|
|
null = ''
|
||
|
|
oct2int = ord
|
||
|
|
# TODO: refactor to return a sequence of ints
|
||
|
|
# noinspection PyPep8
|
||
|
|
octs2ints = lambda s: [oct2int(x) for x in s]
|
||
|
|
# noinspection PyPep8
|
||
|
|
str2octs = lambda x: x
|
||
|
|
# noinspection PyPep8
|
||
|
|
octs2str = lambda x: x
|
||
|
|
# noinspection PyPep8
|
||
|
|
isOctetsType = lambda s: isinstance(s, str)
|
||
|
|
# noinspection PyPep8
|
||
|
|
isStringType = lambda s: isinstance(s, (str, unicode))
|
||
|
|
# noinspection PyPep8
|
||
|
|
ensureString = str
|
||
|
|
else:
|
||
|
|
ints2octs = bytes
|
||
|
|
# noinspection PyPep8
|
||
|
|
int2oct = lambda x: ints2octs((x,))
|
||
|
|
null = ints2octs()
|
||
|
|
# noinspection PyPep8
|
||
|
|
oct2int = lambda x: x
|
||
|
|
# noinspection PyPep8
|
||
|
|
octs2ints = lambda x: x
|
||
|
|
# noinspection PyPep8
|
||
|
|
str2octs = lambda x: x.encode('iso-8859-1')
|
||
|
|
# noinspection PyPep8
|
||
|
|
octs2str = lambda x: x.decode('iso-8859-1')
|
||
|
|
# noinspection PyPep8
|
||
|
|
isOctetsType = lambda s: isinstance(s, bytes)
|
||
|
|
# noinspection PyPep8
|
||
|
|
isStringType = lambda s: isinstance(s, str)
|
||
|
|
# noinspection PyPep8
|
||
|
|
ensureString = bytes
|