def on_next(inner_source: Union[Observable[_T], "Future[_T]"]) -> None:
nonlocal source
d = SingleAssignmentDisposable()
with source.lock:
latest[0] += 1
_id = latest[0]
has_latest[0] = True
inner_subscription.disposable = d
# Check if Future or Observable
if isinstance(inner_source, Future):
obs = from_future(inner_source)
else:
obs = inner_source
def on_next(x: Any) -> None:
if latest[0] == _id:
observer.on_next(x)
def on_error(e: Exception) -> None:
if latest[0] == _id:
observer.on_error(e)
def on_completed() -> None:
if latest[0] == _id:
has_latest[0] = False
if is_stopped[0]:
observer.on_completed()
d.disposable = obs.subscribe(
on_next, on_error, on_completed, scheduler=scheduler
)
def on_next_right(value: _T2):
nonlocal right_id
duration = None
current_id = right_id
right_id += 1
md = SingleAssignmentDisposable()
right_map[current_id] = value
group.add(md)
def expire():
if current_id in right_map:
del right_map[current_id]
if not len(right_map) and right_done:
observer.on_completed()
group.remove(md)
try:
duration = right_duration_mapper(value)
except Exception as exception:
observer.on_error(exception)
return
md.disposable = duration.pipe(take(1)).subscribe(
noop,
observer.on_error,
lambda: expire(),
scheduler=scheduler)
for val in left_map.values():
result = (val, value)
observer.on_next(result)
def action(scheduler: abc.SchedulerBase, state: Any = None) -> None:
def on_error(exn: Exception) -> None:
nonlocal last_exception
last_exception = exn
cancelable.disposable = _scheduler.schedule(action)
if is_disposed:
return
try:
current = next(sources_)
except StopIteration:
if last_exception:
observer.on_error(last_exception)
else:
observer.on_completed()
except Exception as ex: # pylint: disable=broad-except
observer.on_error(ex)
else:
d = SingleAssignmentDisposable()
subscription.disposable = d
d.disposable = current.subscribe(
observer.on_next,
on_error,
observer.on_completed,
scheduler=scheduler_,
)
def set_timer(timeout: Observable[Any]) -> None:
my_id = _id[0]
def timer_wins():
return _id[0] == my_id
d = SingleAssignmentDisposable()
timer.disposable = d
def on_next(x: Any) -> None:
if timer_wins():
subscription.disposable = other_.subscribe(
observer, scheduler=scheduler)
d.dispose()
def on_error(e: Exception) -> None:
if timer_wins():
observer.on_error(e)
def on_completed() -> None:
if timer_wins():
subscription.disposable = other_.subscribe(observer)
d.disposable = timeout.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler)
def subscribe(
observer: abc.ObserverBase[_T],
scheduler: Optional[abc.SchedulerBase] = None,
):
is_open = [False]
def on_next(left: _T) -> None:
if is_open[0]:
observer.on_next(left)
def on_completed() -> None:
if is_open[0]:
observer.on_completed()
subs = source.subscribe(
on_next, observer.on_error, on_completed, scheduler=scheduler
)
subscriptions = CompositeDisposable(subs)
right_subscription = SingleAssignmentDisposable()
subscriptions.add(right_subscription)
def on_next2(x: Any) -> None:
is_open[0] = True
right_subscription.dispose()
def on_completed2():
right_subscription.dispose()
right_subscription.disposable = obs.subscribe(
on_next2, observer.on_error, on_completed2, scheduler=scheduler
)
return subscriptions
def on_next(x: _T) -> None:
try:
assert mapper
delay = mapper(x)
except Exception as error: # pylint: disable=broad-except
observer.on_error(error)
return
d = SingleAssignmentDisposable()
delays.add(d)
def on_next(_: Any) -> None:
observer.on_next(x)
delays.remove(d)
done()
def on_completed() -> None:
observer.on_next(x)
delays.remove(d)
done()
d.disposable = delay.subscribe(on_next,
observer.on_error,
on_completed,
scheduler=scheduler)
def subscribe(
observer: abc.ObserverBase[_T],
scheduler: Optional[abc.SchedulerBase] = None
) -> abc.DisposableBase:
d1 = SingleAssignmentDisposable()
subscription = SerialDisposable()
subscription.disposable = d1
def on_error(exception: Exception) -> None:
try:
result = handler(exception, source)
except Exception as ex: # By design. pylint: disable=W0703
observer.on_error(ex)
return
result = (reactivex.from_future(result) if isinstance(
result, Future) else result)
d = SingleAssignmentDisposable()
subscription.disposable = d
d.disposable = result.subscribe(observer, scheduler=scheduler)
d1.disposable = source.subscribe(observer.on_next,
on_error,
observer.on_completed,
scheduler=scheduler)
return subscription
def on_next(inner_source: Union[Observable[_T], "Future[_T]"]) -> None:
if not has_current[0]:
has_current[0] = True
inner_source = (
reactivex.from_future(inner_source)
if isinstance(inner_source, Future)
else inner_source
)
inner_subscription = SingleAssignmentDisposable()
g.add(inner_subscription)
def on_completed_inner():
g.remove(inner_subscription)
has_current[0] = False
if is_stopped[0] and len(g) == 1:
observer.on_completed()
inner_subscription.disposable = inner_source.subscribe(
observer.on_next,
observer.on_error,
on_completed_inner,
scheduler=scheduler,
)
def send_right(value: _TRight) -> None:
with left.lock:
_id = right_id[0]
right_id[0] += 1
right_map[_id] = value
md = SingleAssignmentDisposable()
group.add(md)
def expire():
del right_map[_id]
group.remove(md)
try:
duration = right_duration_mapper(value)
except Exception as e:
for left_value in left_map.values():
left_value.on_error(e)
observer.on_error(e)
return
def on_error(error: Exception):
with left.lock:
for left_value in left_map.values():
left_value.on_error(error)
observer.on_error(error)
md.disposable = duration.pipe(ops.take(1)).subscribe(
nothing, on_error, expire, scheduler=scheduler)
with left.lock:
for left_value in left_map.values():
left_value.on_next(value)
def subscribe(
observer: abc.ObserverBase[_T],
scheduler_: Optional[abc.SchedulerBase] = None,
) -> abc.DisposableBase:
_scheduler = scheduler or scheduler_ or TimeoutScheduler.singleton(
)
switched = [False]
_id = [0]
original = SingleAssignmentDisposable()
subscription = SerialDisposable()
timer = SerialDisposable()
subscription.disposable = original
def create_timer() -> None:
my_id = _id[0]
def action(scheduler: abc.SchedulerBase, state: Any = None):
switched[0] = _id[0] == my_id
timer_wins = switched[0]
if timer_wins:
subscription.disposable = obs.subscribe(
observer, scheduler=scheduler)
if isinstance(duetime, datetime):
timer.disposable = _scheduler.schedule_absolute(
duetime, action)
else:
timer.disposable = _scheduler.schedule_relative(
duetime, action)
create_timer()
def on_next(value: _T) -> None:
send_wins = not switched[0]
if send_wins:
_id[0] += 1
observer.on_next(value)
create_timer()
def on_error(error: Exception) -> None:
on_error_wins = not switched[0]
if on_error_wins:
_id[0] += 1
observer.on_error(error)
def on_completed() -> None:
on_completed_wins = not switched[0]
if on_completed_wins:
_id[0] += 1
observer.on_completed()
original.disposable = source.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler_)
return CompositeDisposable(subscription, timer)
def on_error(exception: Exception) -> None:
try:
result = handler(exception, source)
except Exception as ex: # By design. pylint: disable=W0703
observer.on_error(ex)
return
result = (reactivex.from_future(result) if isinstance(
result, Future) else result)
d = SingleAssignmentDisposable()
subscription.disposable = d
d.disposable = result.subscribe(observer, scheduler=scheduler)
def subscribechild(
i: int, child: Observable[Any]
) -> SingleAssignmentDisposable:
subscription = SingleAssignmentDisposable()
def on_next(value: Any) -> None:
with parent.lock:
values[i] = value
subscription.disposable = child.subscribe(
on_next, observer.on_error, scheduler=scheduler
)
return subscription
def subscribe(
observer: abc.ObserverBase[_T], _: Optional[abc.SchedulerBase] = None
):
m = SingleAssignmentDisposable()
d = SerialDisposable()
d.disposable = m
def action(scheduler: abc.SchedulerBase, state: Optional[Any] = None):
d.disposable = ScheduledDisposable(
scheduler, source.subscribe(observer)
)
m.disposable = scheduler.schedule(action)
return d
def on_next_left(value: _TLeft) -> None:
subject: Subject[_TRight] = Subject()
with left.lock:
_id = left_id[0]
left_id[0] += 1
left_map[_id] = subject
try:
result = (value, add_ref(subject, rcd))
except Exception as e:
log.error("*** Exception: %s" % e)
for left_value in left_map.values():
left_value.on_error(e)
observer.on_error(e)
return
observer.on_next(result)
for right_value in right_map.values():
subject.on_next(right_value)
md = SingleAssignmentDisposable()
group.add(md)
def expire():
if _id in left_map:
del left_map[_id]
subject.on_completed()
group.remove(md)
try:
duration = left_duration_mapper(value)
except Exception as e:
for left_value in left_map.values():
left_value.on_error(e)
observer.on_error(e)
return
def on_error(error: Exception) -> Any:
for left_value in left_map.values():
left_value.on_error(error)
observer.on_error(error)
md.disposable = duration.pipe(ops.take(1)).subscribe(
nothing, on_error, expire, scheduler=scheduler)
def _subscribe(i: int) -> None:
subscriptions[i] = SingleAssignmentDisposable()
def on_next(value: Any) -> None:
with parent.lock:
values[i] = value
has_value[i] = True
def on_completed() -> None:
with parent.lock:
done(i)
subscriptions[i].disposable = sources[i].subscribe(
on_next, observer.on_error, on_completed, scheduler=scheduler
)
def on_next(x: _T) -> None:
has_value[0] = True
value[0] = x
_id[0] += 1
current_id = _id[0]
d = SingleAssignmentDisposable()
cancelable.disposable = d
def action(scheduler: abc.SchedulerBase,
state: Any = None) -> None:
if has_value[0] and _id[0] == current_id:
observer.on_next(value[0])
has_value[0] = False
d.disposable = _scheduler.schedule_relative(duetime, action)
def test_futuredisposable_disposeafterset():
d = SingleAssignmentDisposable()
disposed = [False]
def action():
disposed[0] = True
dd = Disposable(action)
d.disposable = dd
assert dd == d.disposable
assert not disposed[0]
d.dispose()
assert disposed[0]
d.dispose()
assert disposed[0]
def func(i: int) -> None:
source: Observable[Any] = sources[i]
if isinstance(source, Future):
source = from_future(source)
sad = SingleAssignmentDisposable()
def on_next(x: Any) -> None:
queues[i].append(x)
next_(i)
sad.disposable = source.subscribe(on_next,
observer.on_error,
lambda: completed(i),
scheduler=scheduler)
subscriptions[i] = sad
def subscribe(
observer: abc.ObserverBase[_T],
scheduler: Optional[abc.SchedulerBase] = None,
) -> abc.DisposableBase:
has_current = [False]
is_stopped = [False]
m = SingleAssignmentDisposable()
g = CompositeDisposable()
g.add(m)
def on_next(inner_source: Union[Observable[_T], "Future[_T]"]) -> None:
if not has_current[0]:
has_current[0] = True
inner_source = (
reactivex.from_future(inner_source)
if isinstance(inner_source, Future)
else inner_source
)
inner_subscription = SingleAssignmentDisposable()
g.add(inner_subscription)
def on_completed_inner():
g.remove(inner_subscription)
has_current[0] = False
if is_stopped[0] and len(g) == 1:
observer.on_completed()
inner_subscription.disposable = inner_source.subscribe(
observer.on_next,
observer.on_error,
on_completed_inner,
scheduler=scheduler,
)
def on_completed() -> None:
is_stopped[0] = True
if not has_current[0] and len(g) == 1:
observer.on_completed()
m.disposable = source.subscribe(
on_next, observer.on_error, on_completed, scheduler=scheduler
)
return g
def test_futuredisposable_disposebeforeset():
disposed = [False]
def dispose():
disposed[0] = True
d = SingleAssignmentDisposable()
dd = Disposable(dispose)
assert not disposed[0]
d.dispose()
assert not disposed[0]
d.disposable = dd
assert d.disposable == None
assert disposed[0]
d.dispose()
assert disposed[0]
def create_window_on_completed():
try:
window_close = closing_mapper()
except Exception as exception:
observer.on_error(exception)
return
def on_completed():
nonlocal window
window.on_completed()
window = Subject()
observer.on_next(add_ref(window, r))
create_window_on_completed()
m1 = SingleAssignmentDisposable()
m.disposable = m1
m1.disposable = window_close.pipe(ops.take(1)).subscribe(
noop, on_error, on_completed, scheduler=scheduler)
def subscribe(
observer: abc.ObserverBase[Observable[_T]],
scheduler: Optional[abc.SchedulerBase] = None,
):
m = SingleAssignmentDisposable()
refCountDisposable = RefCountDisposable(m)
n = [0]
q: List[Subject[_T]] = []
def create_window():
s: Subject[_T] = Subject()
q.append(s)
observer.on_next(add_ref(s, refCountDisposable))
create_window()
def on_next(x: _T) -> None:
for item in q:
item.on_next(x)
c = n[0] - count + 1
if c >= 0 and c % skip_ == 0:
s = q.pop(0)
s.on_completed()
n[0] += 1
if (n[0] % skip_) == 0:
create_window()
def on_error(exception: Exception) -> None:
while q:
q.pop(0).on_error(exception)
observer.on_error(exception)
def on_completed() -> None:
while q:
q.pop(0).on_completed()
observer.on_completed()
m.disposable = source.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler)
return refCountDisposable
def create_timer(_id: int):
nonlocal n, s, window_id
m = SingleAssignmentDisposable()
timer_d.disposable = m
def action(scheduler: abc.SchedulerBase, state: Any = None):
nonlocal n, s, window_id
if _id != window_id:
return
n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))
create_timer(new_id)
m.disposable = _scheduler.schedule_relative(timespan, action)
def subscribe(
observer: abc.ObserverBase[_T],
scheduler: Optional[abc.SchedulerBase] = None,
):
group = CompositeDisposable()
is_stopped = [False]
m = SingleAssignmentDisposable()
group.add(m)
def on_next(inner_source: Union[Observable[_T], "Future[_T]"]):
inner_subscription = SingleAssignmentDisposable()
group.add(inner_subscription)
inner_source = (from_future(inner_source) if isinstance(
inner_source, Future) else inner_source)
@synchronized(source.lock)
def on_completed():
group.remove(inner_subscription)
if is_stopped[0] and len(group) == 1:
observer.on_completed()
on_next: typing.OnNext[_T] = synchronized(source.lock)(
observer.on_next)
on_error = synchronized(source.lock)(observer.on_error)
subscription = inner_source.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler)
inner_subscription.disposable = subscription
def on_completed():
is_stopped[0] = True
if len(group) == 1:
observer.on_completed()
m.disposable = source.subscribe(on_next,
observer.on_error,
on_completed,
scheduler=scheduler)
return group
def on_next(inner_source: Union[Observable[_T], "Future[_T]"]):
inner_subscription = SingleAssignmentDisposable()
group.add(inner_subscription)
inner_source = (from_future(inner_source) if isinstance(
inner_source, Future) else inner_source)
@synchronized(source.lock)
def on_completed():
group.remove(inner_subscription)
if is_stopped[0] and len(group) == 1:
observer.on_completed()
on_next: typing.OnNext[_T] = synchronized(source.lock)(
observer.on_next)
on_error = synchronized(source.lock)(observer.on_error)
subscription = inner_source.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler)
inner_subscription.disposable = subscription
def subscribe(xs: Observable[_T]):
subscription = SingleAssignmentDisposable()
group.add(subscription)
@synchronized(source.lock)
def on_completed():
group.remove(subscription)
if queue:
s = queue.pop(0)
subscribe(s)
else:
active_count[0] -= 1
if is_stopped[0] and active_count[0] == 0:
observer.on_completed()
on_next = synchronized(source.lock)(observer.on_next)
on_error = synchronized(source.lock)(observer.on_error)
subscription.disposable = xs.subscribe(on_next,
on_error,
on_completed,
scheduler=scheduler)
def action(scheduler: abc.SchedulerBase, state: Any = None):
nonlocal is_acquired, active_count
if queue:
work = queue.pop(0)
else:
is_acquired = False
return
sad = SingleAssignmentDisposable()
d.add(sad)
def on_next(value: _T) -> None:
nonlocal active_count
observer.on_next(value)
result = None
try:
result = mapper(value)
except Exception as ex:
observer.on_error(ex)
return
queue.append(result)
active_count += 1
ensure_active()
def on_complete() -> None:
nonlocal active_count
d.remove(sad)
active_count -= 1
if active_count == 0:
observer.on_completed()
sad.disposable = work.subscribe(on_next,
observer.on_error,
on_complete,
scheduler=scheduler)
m.disposable = scheduler.schedule(action)
def create_timer():
m = SingleAssignmentDisposable()
timer_d.disposable = m
is_span = False
is_shift = False
if next_span[0] == next_shift[0]:
is_span = True
is_shift = True
elif next_span[0] < next_shift[0]:
is_span = True
else:
is_shift = True
new_total_time = next_span[0] if is_span else next_shift[0]
ts = new_total_time - total_time[0]
total_time[0] = new_total_time
if is_span:
next_span[0] += timeshift
if is_shift:
next_shift[0] += timeshift
@synchronized(source.lock)
def action(scheduler: abc.SchedulerBase, state: Any = None):
s: Optional[Subject[_T]] = None
if is_shift:
s = Subject()
queue.append(s)
observer.on_next(add_ref(s, ref_count_disposable))
if is_span:
s = queue.pop(0)
s.on_completed()
create_timer()
m.disposable = _scheduler.schedule_relative(ts, action)
def action(scheduler: abc.SchedulerBase,
state: Optional[Exception] = None) -> None:
try:
source = next(sources_)
except StopIteration:
observer.on_completed()
return
# Allow source to be a factory method taking an error
source = source(state) if callable(source) else source
current = (reactivex.from_future(source) if isinstance(
source, Future) else source)
d = SingleAssignmentDisposable()
subscription.disposable = d
def on_resume(state: Optional[Exception] = None) -> None:
scheduler.schedule(action, state)
d.disposable = current.subscribe(observer.on_next,
on_resume,
on_resume,
scheduler=scheduler)
def subscribeall(
parent: Observable[Any], *children: Observable[Any]
) -> List[SingleAssignmentDisposable]:
values = [NO_VALUE for _ in children]
def subscribechild(
i: int, child: Observable[Any]
) -> SingleAssignmentDisposable:
subscription = SingleAssignmentDisposable()
def on_next(value: Any) -> None:
with parent.lock:
values[i] = value
subscription.disposable = child.subscribe(
on_next, observer.on_error, scheduler=scheduler
)
return subscription
parent_subscription = SingleAssignmentDisposable()
def on_next(value: Any) -> None:
with parent.lock:
if NO_VALUE not in values:
result = (value,) + tuple(values)
observer.on_next(result)
children_subscription = [
subscribechild(i, child) for i, child in enumerate(children)
]
disp = parent.subscribe(
on_next, observer.on_error, observer.on_completed, scheduler=scheduler
)
parent_subscription.disposable = disp
return [parent_subscription] + children_subscription
