| # |
| # 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] < (2, 6): |
| def bin(value): |
| bitstring = [] |
| |
| if value > 0: |
| prefix = '0b' |
| elif value < 0: |
| prefix = '-0b' |
| value = abs(value) |
| else: |
| prefix = '0b0' |
| |
| while value: |
| if value & 1 == 1: |
| bitstring.append('1') |
| else: |
| bitstring.append('0') |
| |
| value >>= 1 |
| |
| bitstring.reverse() |
| |
| return prefix + ''.join(bitstring) |
| else: |
| bin = bin |
