def _expect_prompt(self,
options,
countdown,
prompt_re=None,
earlier_re=None):
if options['stop_on_silence'] is not False:
prev = 0
while 1:
tmp = min(options['stop_on_silence'], countdown.left())
silence_countdown = Countdown(tmp)
try:
countdown.start()
try:
return PexpectMixin._expect_prompt(
self, options, silence_countdown, prompt_re,
earlier_re)
finally:
countdown.stop()
except TimeoutException as ex:
# a real timeout
if countdown.did_run_out(
) or silence_countdown.did_run_out():
raise
# inactivity or silence detected
if prev >= len(ex.output):
raise
prev = len(ex.output)
else:
return PexpectMixin._expect_prompt(self, options, countdown,
prompt_re, earlier_re)
def _expect_prompt(self, options, timeout, prompt_re=None):
if options['stop_on_silence'] is not False:
silence_timeout = options['stop_on_silence']
prev = 0
while 1:
try:
begin = time.time()
return PexpectMixin._expect_prompt(self, options,
silence_timeout,
prompt_re)
except TimeoutException as ex:
timeout -= max(time.time() - begin, 0)
silence_timeout = min(silence_timeout, timeout)
# a real timeout
if timeout <= 0 or silence_timeout <= 0:
raise
# inactivity or silence detected
if prev >= len(ex.output):
raise
prev = len(ex.output)
else:
return PexpectMixin._expect_prompt(self, options, timeout,
prompt_re)