Disable DTR in pyserial from code

Question

I\'m trying to use pyserial to send data to an arduino. But when I open the COM port it sets DTR low and resets the board. However, I have my arduino code setup such that I

Answer 1

Disabling DTR does not work for me:
ser.dtr = None
(Linux 4.4.0 x86_64 / Python 2.7.12 / PySerial 3.4)

But this works:

import serial
import termios

port = '/dev/ttyACM0'
f = open(port)
attrs = termios.tcgetattr(f)
attrs[2] = attrs[2] & ~termios.HUPCL
termios.tcsetattr(f, termios.TCSAFLUSH, attrs)
f.close()
se = serial.Serial()
se.baudrate = 115200
se.port = port
print 'dtr =', se.dtr
se.open()

I found it here.