def test_retry_observable_retry_count_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.retry(3))
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
self.assertRaises(RxException, scheduler1.start)
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.retry(100))
d = ys.subscribe(on_error=lambda ex: _raise('ex'),
scheduler=scheduler2)
def dispose(_, __):
d.dispose()
scheduler2.schedule_absolute(0, dispose)
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.retry(100))
zs.subscribe(on_completed=lambda: _raise('ex'), scheduler=scheduler3)
with pytest.raises(RxException):
scheduler3.start()
xss = rx.create(lambda o: _raise('ex')).pipe(ops.retry(100))
with pytest.raises(Exception):
xss.subscribe()
def test_retry_observable_retry_count_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.retry(3))
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
self.assertRaises(RxException, scheduler1.start)
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.retry(100))
d = ys.subscribe(on_error=lambda ex: _raise('ex'), scheduler=scheduler2)
def dispose(_, __):
d.dispose()
scheduler2.schedule_absolute(0, dispose)
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.retry(100))
zs.subscribe(on_completed=lambda: _raise('ex'), scheduler=scheduler3)
with pytest.raises(RxException):
scheduler3.start()
xss = rx.create(lambda o: _raise('ex')).pipe(ops.retry(100))
with pytest.raises(Exception):
xss.subscribe()
def test_retry_observable_error(self):
ex = 'ex'
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(100, 1), on_next(150, 2),
on_next(200, 3),
on_error(250, ex))
results = scheduler.start(lambda: xs.pipe(ops.retry()), disposed=1100)
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_next(550, 1),
on_next(600, 2),
on_next(650, 3),
on_next(800, 1),
on_next(850, 2),
on_next(900, 3),
on_next(1050, 1)
]
assert xs.subscriptions == [
subscribe(200, 450),
subscribe(450, 700),
subscribe(700, 950),
subscribe(950, 1100)
]
def main():
xs = rx.from_marbles("1-2-3-4-5-6-7-9-|").pipe(ops.publish())
xs.pipe(ops.map(failing), ops.retry()).subscribe(print)
xs.connect() # Must connect. Cannot use ref_count() with publish()
time.sleep(5)
def test_retry_observable_infinite(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3))
results = scheduler.start(lambda: xs.pipe(ops.retry()))
assert results.messages == [
on_next(300, 1), on_next(350, 2), on_next(400, 3)]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_retry_observable_retry_count_dispose_iii(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3),
on_completed(250))
results = scheduler.start(lambda: xs.pipe(ops.retry(3)))
assert results.messages == [
on_next(300, 1), on_next(350, 2), on_next(400, 3),
on_completed(450)]
assert xs.subscriptions == [subscribe(200, 450)]
def test_retry_observable_retry_count_dispose(self):
scheduler = TestScheduler()
ex = 'ex'
xs = scheduler.create_cold_observable(
on_next(5, 1), on_next(10, 2), on_next(15, 3),
on_error(20, ex))
results = scheduler.start(lambda: xs.pipe(ops.retry(3)), disposed=231)
assert results.messages == [
on_next(205, 1), on_next(210, 2), on_next(215, 3),
on_next(225, 1), on_next(230, 2)]
assert xs.subscriptions == [subscribe(200, 220), subscribe(220, 231)]
def test_retry_observable_infinite(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(100, 1), on_next(150, 2),
on_next(200, 3))
results = scheduler.start(lambda: xs.pipe(ops.retry()))
assert results.messages == [
on_next(300, 1), on_next(350, 2),
on_next(400, 3)
]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_retry_observable_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.retry())
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with pytest.raises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.retry())
d = ys.subscribe(on_error=lambda ex: _raise('ex'), scheduler=scheduler2)
scheduler2.schedule_absolute(210, lambda sc, st: d.dispose())
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.retry())
zs.subscribe(on_completed=lambda: _raise('ex'), scheduler=scheduler3)
with pytest.raises(RxException):
scheduler3.start()
def test_retry_observable_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.retry())
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with pytest.raises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.retry())
d = ys.subscribe(on_error=lambda ex: _raise('ex'),
scheduler=scheduler2)
scheduler2.schedule_absolute(210, lambda sc, st: d.dispose())
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.retry())
zs.subscribe(on_completed=lambda: _raise('ex'), scheduler=scheduler3)
with pytest.raises(RxException):
scheduler3.start()
def test_retry_observable_retry_count_dispose_iii(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(100, 1), on_next(150, 2),
on_next(200, 3),
on_completed(250))
results = scheduler.start(lambda: xs.pipe(ops.retry(3)))
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_completed(450)
]
assert xs.subscriptions == [subscribe(200, 450)]
def test_retry_observable_retry_count_dispose(self):
scheduler = TestScheduler()
ex = 'ex'
xs = scheduler.create_cold_observable(on_next(5, 1), on_next(10, 2),
on_next(15, 3), on_error(20, ex))
results = scheduler.start(lambda: xs.pipe(ops.retry(3)), disposed=231)
assert results.messages == [
on_next(205, 1),
on_next(210, 2),
on_next(215, 3),
on_next(225, 1),
on_next(230, 2)
]
assert xs.subscriptions == [subscribe(200, 220), subscribe(220, 231)]
def test_retry_observable_error(self):
ex = 'ex'
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(
on_next(100, 1), on_next(150, 2), on_next(200, 3),
on_error(250, ex))
results = scheduler.start(lambda: xs.pipe(ops.retry()), disposed=1100)
assert results.messages == [
on_next(300, 1), on_next(350, 2), on_next(400, 3),
on_next(550, 1), on_next(600, 2), on_next(650, 3),
on_next(800, 1), on_next(850, 2), on_next(900, 3),
on_next(1050, 1)]
assert xs.subscriptions == [
subscribe(200, 450), subscribe(450, 700), subscribe(700, 950),
subscribe(950, 1100)]
def __init__(self, scheduler=None):
self._observerable = rx.interval(
ObserveConfig.interval,
scheduler).pipe(ops.map(lambda dummy: get_merge_requests()),
ops.retry(), ops.publish(), ops.ref_count())
self._ready_to_merge = self._observerable.pipe(
ops.map(lambda requests: next((request for request in requests if
is_ready_to_merge(request)), None)),
ops.start_with(None), ops.distinct_until_changed())
self._ready_to_merge.subscribe(lambda ready_to_merge: logging.info(
'Ready to merge: ' + str(ready_to_merge)))
voted_merge_requests = self._observerable.pipe(
ops.map(_to_voted_merge_requests_set))
self._new_votes_merge_requests = voted_merge_requests.pipe(
ops.skip(1), ops.zip(voted_merge_requests),
ops.map(lambda zipped: zipped[0] - zipped[1]), ops.filter(len),
ops.map(_to_merge_requests))
self._new_votes_merge_requests.pipe(
ops.map(lambda diff_set:
[merge_request.get_iid() for merge_request in diff_set])
).subscribe(
lambda ids: logging.info(f'New votes for merge requests: {ids}'))
awards = self._new_votes_merge_requests.pipe(ops.map(_to_awards_set),
ops.publish(),
ops.ref_count(),
ops.start_with(set()))
self._new_awards = awards.pipe(
ops.skip(1), ops.zip(awards),
ops.map(lambda zipped: zipped[0] - zipped[1]), ops.filter(len),
ops.flat_map(lambda diff_set: rx.from_iterable(diff_set)),
ops.map(lambda award_key: award_key.award))
self._new_awards.subscribe(
lambda new_award: logging.info('New award: ' + str(new_award)))
def formata(produto):
if (produto['Preco'] <= 0):
raise Exception('There is error cannot proceed!: {}'.format(
produto['Preco']))
else:
produto = produto["Tipo"] + " " + produto["Marca"] + " - " + str(
produto["Preco"])
return produto
print("Sujestões de pedidos para a pessoa 1")
# Task 1 => não quer presunto
source = rx.from_(produtos)
case1 = source.pipe(
ops.filter(lambda a: a['Tipo'] != 'presunto' and a['Tipo'] != 'pepino'),
ops.map(lambda a: formata(a)), ops.retry(1),
ops.map(lambda a: adding_delay(a)),
ops.subscribe_on(thread_pool_scheduler))
case1.subscribe(
on_next=lambda i: print("Para Pessoa1 - {0}".format(i)),
on_error=lambda e: print("Error : {0}".format(e)),
on_completed=lambda: print("Task 1 complete"),
)
# Se uma parar a outra funciona
# Task 2 => é vegetariana então não quer nem presunto nem carne.
print("Sujestões de pedidos para a pessoa 2")
case2 = source.pipe(
ops.skip_while(lambda a: a['Tipo'] == 'carne' or a['Tipo'] == 'presunto'),
ops.map(lambda a: formata(a)), ops.retry(1),
ops.map(lambda a: adding_delay(a)), ops.observe_on(thread_pool_scheduler))
def unlock_request(img_faces_pair):
return rx_request('post', ARGS.door_api_url, timeout=0.3).pipe(
ops.do_action(on_error=lambda e: logger.exception(e)), ops.retry(3),
ops.catch(rx.empty()),
ops.do_action(on_next=lambda _: logger.info('Door unlocked\n')),
ops.do_action(on_next=lambda _: log_unlock(img_faces_pair)))
op.debounce() op.distinct() op.filter() op.element_at() op.first() op.ignore_elements() op.last() op.skip() op.skip_last() op.take() op.take_last() # ... """Error Handling""" op.catch() op.retry() """Utility""" op.delay() op.materialize() op.time_interval() op.timeout() op.timestamp() """Conditional and Boolean""" op.all() op.contains() op.default_if_empty() op.sequence_equal() op.skip_until() op.skip_while()
import rx
import rx.operators as ops
subscribe_count = 0
def on_subscribe(observer, scheduler):
global subscribe_count
subscribe_count += 1
if subscribe_count == 1:
observer.on_next(1)
observer.on_error("error!")
else:
observer.on_next(1)
observer.on_next(2)
observer.on_next(3)
observer.on_completed()
err = rx.create(on_subscribe)
err.pipe(ops.retry(2)).subscribe(
on_next=lambda i: print("item: {}".format(i)),
on_error=lambda e: print("error: {}".format(e)),
on_completed=lambda: print("completed"))