def read(self, size=1):
        if not self.is_open:
            raise portNotOpenError
        read = bytearray()
        while len(read) < size:
            buf = os.read(self.fd, size - len(read))
            if not buf:
                break
            read.extend(buf)
        return bytes(read)
Enable the named service to start at boot
dataset/ETHPy150Open pyserial/pyserial/serial/serialposix.py/VTIMESerial.read--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/upstart.py/enable