def test_init(self):
with self.assertRaisesRegex(
Exception,
"Optional display keyword must be a string. e.g. ':0'"):
dpms.DPMS(display=1)
with self.assertRaisesRegex(Exception, "Cannot open display"):
dpms.DPMS(display="invalid")
def try_dpms(tries=5, wait_time=1, *args, **kwargs):
for _ in range(tries):
try:
return dpms.DPMS(*args, **kwargs)
except Exception as e:
print("Failed with '{}', retrying...".format(e))
time.sleep(wait_time)
raise Exception("Failed to get DPMS.")
import dpms, time
time.sleep(1) # ensure key presses from running this application are done
d = dpms.DPMS() # to use the current display, or alternatively DPMS(":1")
d.Enable()
d.ForceLevel(dpms.DPMSModeOff)