def test_repeat_observable_repeat_count_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.repeat(3))
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex1').pipe(ops.repeat(3))
ys.subscribe(on_error=lambda ex: _raise('ex2'), scheduler=scheduler2)
with self.assertRaises(RxException):
scheduler2.start()
def test_repeat_observable_repeat_count_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(1).pipe(ops.repeat(3))
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex1').pipe(ops.repeat(3))
ys.subscribe(on_error=lambda ex: _raise('ex2'), scheduler=scheduler2)
with self.assertRaises(RxException):
scheduler2.start()
def test_repeat_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.repeat()))
assert results.messages == [on_next(300, 1), on_next(350, 2), on_next(400, 3)]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_repeat_observable_repeat_count_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.repeat(3)))
assert results.messages == [on_next(300, 1), on_next(350, 2), on_next(400, 3), on_error(450, ex)]
assert xs.subscriptions == [subscribe(200, 450)]
def test_repeat_observable_repeat_count_basic(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(5, 1), on_next(10, 2), on_next(15, 3), on_completed(20))
results = scheduler.start(lambda: xs.pipe(ops.repeat(3)))
assert results.messages == [on_next(205, 1), on_next(210, 2), on_next(215, 3), on_next(225, 1), on_next(
230, 2), on_next(235, 3), on_next(245, 1), on_next(250, 2), on_next(255, 3), on_completed(260)]
assert xs.subscriptions == [subscribe(200, 220), subscribe(220, 240), subscribe(240, 260)]
def test_repeat_observable_repeat_count_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.repeat(3)))
assert results.messages == [
on_next(300, 1), on_next(350, 2),
on_next(400, 3)
]
assert xs.subscriptions == [subscribe(200, 1000)]
def test_repeat_observable_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(11).pipe(ops.repeat())
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.repeat())
ys.subscribe(lambda ex: _raise('ex'), scheduler=scheduler2)
with self.assertRaises(Exception):
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.repeat())
d = zs.subscribe(on_completed=lambda: _raise('ex'), scheduler=scheduler3)
scheduler3.schedule_absolute(210, lambda sc, st: d.dispose())
scheduler3.start()
def test_repeat_observable_throws(self):
scheduler1 = TestScheduler()
xs = rx.return_value(11).pipe(ops.repeat())
xs.subscribe(lambda x: _raise('ex'), scheduler=scheduler1)
with self.assertRaises(RxException):
scheduler1.start()
scheduler2 = TestScheduler()
ys = rx.throw('ex').pipe(ops.repeat())
ys.subscribe(lambda ex: _raise('ex'), scheduler=scheduler2)
with self.assertRaises(Exception):
scheduler2.start()
scheduler3 = TestScheduler()
zs = rx.return_value(1).pipe(ops.repeat())
d = zs.subscribe(on_completed=lambda: _raise('ex'),
scheduler=scheduler3)
scheduler3.schedule_absolute(210, lambda sc, st: d.dispose())
scheduler3.start()
def test_repeat_observable_repeat_count_dispose(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(5, 1), on_next(10, 2),
on_next(15, 3), on_completed(20))
results = scheduler.start(lambda: xs.pipe(ops.repeat(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_repeat_observable_repeat_count_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.repeat(3)))
assert results.messages == [
on_next(300, 1),
on_next(350, 2),
on_next(400, 3),
on_error(450, ex)
]
assert xs.subscriptions == [subscribe(200, 450)]
def _initialize_drag(self, ui: FrameUI):
offset = rx.merge(self.on_drag_start, self.on_drag).pipe(
ops.filter(
lambda e: self.draggable and e.button == MouseButton.LEFT),
ops.filter(lambda e: ui.allow_drag(self, self.position_of(e))),
ops.filter(lambda e: not self.resizable or ui.resize_handle_at(
self, e.position) == Nothing), ops.map(lambda e: e.position),
ops.pairwise(), ops.map(lambda v: v[1] - v[0]),
ops.take_until(
self.on_drag_end.pipe(
ops.filter(lambda e: e.button == MouseButton.LEFT))),
ops.repeat(), ops.take_until(self.on_dispose))
self._drag_listener = offset.subscribe(
self.move_by, on_error=self.context.error_handler)
def test_repeat_observable_basic(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(100, 1),
on_next(200, 3),
on_next(150, 2),
on_completed(250))
results = scheduler.start(lambda: xs.pipe(ops.repeat()))
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)]
assert xs.subscriptions == [subscribe(200, 450),
subscribe(450, 700),
subscribe(700, 950),
subscribe(950, 1000)]
def _repeat_value(value: Any = None, repeat_count: int = None) -> Observable:
"""Generates an observable sequence that repeats the given element
the specified number of times.
Examples:
1 - res = repeat_value(42)
2 - res = repeat_value(42, 4)
Args:
value: Element to repeat.
repeat_count: [Optional] Number of times to repeat the element.
If not specified, repeats indefinitely.
Returns:
An observable sequence that repeats the given element the
specified number of times.
"""
if repeat_count == -1:
repeat_count = None
xs = rx.return_value(value)
return xs.pipe(ops.repeat(repeat_count))
def _repeat_value(value: Any = None, repeat_count: Optional[int] = None) -> Observable:
"""Generates an observable sequence that repeats the given element
the specified number of times.
Examples:
1 - res = repeat_value(42)
2 - res = repeat_value(42, 4)
Args:
value: Element to repeat.
repeat_count: [Optional] Number of times to repeat the element.
If not specified, repeats indefinitely.
Returns:
An observable sequence that repeats the given element the
specified number of times.
"""
if repeat_count == -1:
repeat_count = None
xs = rx.return_value(value)
return xs.pipe(ops.repeat(repeat_count))
def test_repeat_observable_basic(self):
scheduler = TestScheduler()
xs = scheduler.create_cold_observable(on_next(100, 1), on_next(200, 3),
on_next(150, 2),
on_completed(250))
results = scheduler.start(lambda: xs.pipe(ops.repeat()))
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)
]
assert xs.subscriptions == [
subscribe(200, 450),
subscribe(450, 700),
subscribe(700, 950),
subscribe(950, 1000)
]
op.map(lambda x: print('map call', x) or x),
op.buffer_with_count(2),
op.map(print),
).run()
# 3こためて先頭の2こを処理
print('call take3 !!!!!!!!!!')
rx.from_iterable((print('generator call', i) or i for i in range(10))).pipe(
op.window_with_count(3),
op.flat_map(lambda x: x.pipe(op.take(2))),
op.map(print),
).run()
# delayはobservableを引数に取りobservableを返す関数
# 引数にobservable以外を渡しても関数は通るが、呼び出すときにエラーになる
print('call take4 !!!!!!!!!!')
rx.from_iterable((print('generator call', i) or i for i in range(10))).pipe(
op.map(lambda x: op.delay(3)(rx.just(x))),
# op.window_with_count(1),
op.flat_map(lambda x: x),
op.map(print),
).run()
print('=================')
# generatorはrepeatできない
# repeatはもとのoncompletedが来てから最初からやり直す
# repeatをしてできたobservable自体のon completed は1回
rx.from_iterable([1, 2, 3, 4]).pipe(
op.repeat(3),
op.map(print),
).subscribe(on_completed=lambda: print('on completed'))
import rx
import rx.operators as ops
numbers = rx.from_([1, 2, 3])
numbers.pipe(ops.repeat(3)).subscribe(
on_next=lambda i: print("item: {}".format(i)),
on_error=lambda e: print("error: {}".format(e)),
on_completed=lambda: print("completed"))
import rx
import rx.operators as ops
ones = rx.just(1).pipe(ops.repeat(5))
ones.subscribe(on_next=lambda i: print("item: {}".format(i)),
on_error=lambda e: print("error: {}".format(e)),
on_completed=lambda: print("completed"))
import os, glob
import rx
import rx.operators as op
from rx.scheduler import ImmediateScheduler
l = rx.from_iterable(glob.glob('./train/*.png')).pipe(
op.map(os.path.basename), op.map(rx.just),
op.flat_map(
lambda x: x.pipe(
op.repeat(3),
op.subscribe_on(ImmediateScheduler()),
op.map_indexed(lambda x, i: x.replace(".png", f"_{i}.png")),
), ), op.to_list()).run()
print(l)
l = rx.from_iterable(glob.glob('./train/*.png')).pipe(
op.map(os.path.basename),
op.map(rx.just),
op.map(op.repeat(3)),
op.map(op.subscribe_on(ImmediateScheduler())),
# op.flat_map(lambda x : x.pipe(op.map_indexed(lambda x,i: x.replace(".png",f"_{i}.png")))),
# op.flat_map(lambda x: op.map_indexed(lambda x,i: x.replace(".png",f"_{i}.png"))(x) ),
# op.flat_map(op.map_indexed(lambda x,i: x.replace(".png",f"_{i}.png"))),
# op.flat_map(lambda x: print('way',x) or x),
op.map(lambda x: op.map_indexed(lambda x, i: x.replace(
".png", f"_{i}.png"))(x)),
op.flat_map(lambda x: x),
# op.flat_map_indexed(lambda x,i: print(x,i) or x),
op.map(print)).run()
def create():
return rx.generate(0,
lambda x: x <= 3,
lambda x: x + 1,
) \
.pipe(ops.repeat(2))
def create():
return rx.generate(0,
lambda x: x <= 3,
lambda x: x + 1,
) \
.pipe(ops.repeat(2))