class Sequencer(object):
def __init__(self, poller=None):
self._expireq = []
self._poller = poller or asyncio.Poll()
self._duration_timer = FDTimer(CLOCK_MONOTONIC, nonblocking=1)
self._poller.register_fd(self._duration_timer.fileno(), asyncio.EPOLLIN, self._duration_timeout)
def __del__(self):
self.close()
def fileno(self):
return self._poller.fileno()
poller = property(lambda self: self._poller)
def close(self):
if self._poller is not None:
self._poller.unregister_all()
self._duration_timer.close()
for expire, task in self._expireq:
task.close()
self._poller = None
self._duration_timer = None
self._expireq = []
def add_task(self, callback, period=0.0, delay=0.0, duration=None, callback_args=()):
task = PeriodicTask(callback, period, delay, callback_args)
self._poller.register(task)
if duration:
expire = monotonic() + duration + delay
heappush(self._expireq, (expire, task))
self._duration_timer.settime(self._expireq[0][0], 0.0, absolute=True)
def _duration_timeout(self):
count = self._duration_timer.read()
expire, task = heappop(self._expireq)
task.stop()
self._poller.unregister(task)
task.close()
if self._expireq:
self._duration_timer.settime(self._expireq[0][0], 0.0, absolute=True)
else:
self._duration_timer.settime(0.0, 0.0)
#self._poller.unregister_fd(self._duration_timer.fileno())
def run(self, progress_cb=None):
poller = self._poller
while self._expireq:
poller.poll(5.0)
if progress_cb is not None:
progress_cb(len(self._expireq))
def __init__(self, callback, period=0.0, delay=0.0, callback_args=()):
self._callback = callback
self._args = callback_args
self._period = period
self._timer = timer = FDTimer()
if delay:
timer.settime(delay, period)
else:
timer.settime(period, period)
def __init__(self, poller=None):
self._expireq = []
self._poller = poller or asyncio.Poll()
self._duration_timer = FDTimer(CLOCK_MONOTONIC, nonblocking=1)
self._poller.register_fd(self._duration_timer.fileno(), asyncio.EPOLLIN, self._duration_timeout)
def __init__(self, poller=None):
self._expireq = []
self._poller = poller or asyncio.Poll()
self._duration_timer = FDTimer(CLOCK_MONOTONIC, nonblocking=1)
self._poller.register_fd(self._duration_timer.fileno(),
asyncio.EPOLLIN, self._duration_timeout)
class Sequencer(object):
def __init__(self, poller=None):
self._expireq = []
self._poller = poller or asyncio.Poll()
self._duration_timer = FDTimer(CLOCK_MONOTONIC, nonblocking=1)
self._poller.register_fd(self._duration_timer.fileno(),
asyncio.EPOLLIN, self._duration_timeout)
def __del__(self):
self.close()
def fileno(self):
return self._poller.fileno()
poller = property(lambda self: self._poller)
def close(self):
if self._poller is not None:
self._poller.unregister_all()
self._duration_timer.close()
for expire, task in self._expireq:
task.close()
self._poller = None
self._duration_timer = None
self._expireq = []
def add_task(self,
callback,
period=0.0,
delay=0.0,
duration=None,
callback_args=()):
task = PeriodicTask(callback, period, delay, callback_args)
self._poller.register(task)
if duration:
expire = monotonic() + duration + delay
heappush(self._expireq, (expire, task))
self._duration_timer.settime(self._expireq[0][0],
0.0,
absolute=True)
def _duration_timeout(self):
count = self._duration_timer.read()
expire, task = heappop(self._expireq)
task.stop()
self._poller.unregister(task)
task.close()
if self._expireq:
self._duration_timer.settime(self._expireq[0][0],
0.0,
absolute=True)
else:
self._duration_timer.settime(0.0, 0.0)
#self._poller.unregister_fd(self._duration_timer.fileno())
def run(self, progress_cb=None):
poller = self._poller
while self._expireq:
poller.poll(5.0)
if progress_cb is not None:
progress_cb(len(self._expireq))