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34 lines
698 B
34 lines
698 B
#
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# This file is part of pyasn1 software.
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#
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# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com>
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# License: http://snmplabs.com/pyasn1/license.html
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#
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from sys import version_info
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if version_info[0:2] < (2, 6):
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def bin(value):
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bitstring = []
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if value > 0:
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prefix = '0b'
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elif value < 0:
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prefix = '-0b'
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value = abs(value)
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else:
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prefix = '0b0'
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while value:
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if value & 1 == 1:
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bitstring.append('1')
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else:
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bitstring.append('0')
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value >>= 1
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bitstring.reverse()
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return prefix + ''.join(bitstring)
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else:
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bin = bin
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