em = Emulator(visible=True, timeout=30, app=None, args=["-model", "3279-2"])
em.connect(server_ip_address)
em.wait_for_field()
em.exec_command(b'PF(10)')
em.send_pf("10")
...
def send_pf8(self):
self.exec_command(b"PF(8)")
def send_pf(self, value):
pf = "PF({})".format(value)
self.exec_command(bytes(pf.encode("utf-8")))
...
em.send_pf(1)
em.wait_for_field()