def initialize_downloadable(self, current_date):
def on_next(current_datetime):
self.raw_stream.on_next(self._fetch_downloadable_files(current_datetime))
Observable.interval(1000)\
.zip(
self.raw_stream,
self.raw_stream.filter(lambda x: len(x) > 0),
lambda x, y, z: y[-1].datetime if len(y) > 0 else z[-1]
)\
.subscribe(on_next)
self.raw_stream.on_next([KeyWithTimeSeriese(None, self.s_date)])
self.downloadable_file_stream = self.raw_stream\
.flat_map(lambda x: Observable.from_iterable(x))\
.publish()
def sample(self, interval=None, sampler=None, scheduler=None):
"""Samples the observable sequence at each interval.
1 - res = source.sample(sample_observable) # Sampler tick sequence
2 - res = source.sample(5000) # 5 seconds
2 - res = source.sample(5000, rx.scheduler.timeout) # 5 seconds
Keyword arguments:
source -- Source sequence to sample.
interval -- Interval at which to sample (specified as an integer
denoting milliseconds).
scheduler -- [Optional] Scheduler to run the sampling timer on. If not
specified, the timeout scheduler is used.
Returns sampled observable sequence.
"""
scheduler = scheduler or timeout_scheduler
if not interval is None:
return self._sample_observable(Observable.interval(interval, scheduler=scheduler))
return self.sample_observable(sampler)
def sample(self, interval=None, sampler=None, scheduler=None):
"""Samples the observable sequence at each interval.
1 - res = source.sample(sample_observable) # Sampler tick sequence
2 - res = source.sample(5000) # 5 seconds
2 - res = source.sample(5000, rx.scheduler.timeout) # 5 seconds
Keyword arguments:
source -- Source sequence to sample.
interval -- Interval at which to sample (specified as an integer
denoting milliseconds).
scheduler -- [Optional] Scheduler to run the sampling timer on. If not
specified, the timeout scheduler is used.
Returns sampled observable sequence.
"""
scheduler = scheduler or timeout_scheduler
if not interval is None:
return self._sample_observable(
Observable.interval(interval, scheduler=scheduler))
return self.sample_observable(sampler)
def projection(x):
return Observable.interval(10, scheduler).map(lambda a, b: x).take(x)
def projection(x):
return Observable.interval(
10, scheduler).select(lambda a, b: x).take(x)
