| # |
| # This file is part of pyasn1 software. |
| # |
| # Copyright (c) 2005-2018, Ilya Etingof <etingof@gmail.com> |
| # License: http://snmplabs.com/pyasn1/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 |
