文件操作 - binary.py
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文件: /usr/lib/python3/dist-packages/pyasn1/compat/binary.py
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# # This file is part of pyasn1 software. # # Copyright (c) 2005-2019, 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
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