sending_keystrokes.py

# Need to install the following
# sudo apt-get install xautomation

from subprocess import Popen, PIPE
from time import sleep

enter_sequence = '''key Return
'''


def keypress(sequence):
    b = sequence.encode('utf-8')
    p = Popen(['xte'], stdin=PIPE)
    p.communicate(input=b )


while True:
    keypress(enter_sequence)
    sleep(5)