File: util.py

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python-pymysql 0.7.6-1~bpo8%2B1
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import struct

def byte2int(b):
    if isinstance(b, int):
        return b
    else:
        return struct.unpack("!B", b)[0]

def int2byte(i):
    return struct.pack("!B", i)

def join_bytes(bs):
    if len(bs) == 0:
        return ""
    else:
        rv = bs[0]
        for b in bs[1:]:
            rv += b
        return rv