class Node(object):
def __init__(self, node_dict):
self.data = Subject()
self.attrs = node_dict
def send_to(self, to_node):
self.data.subscribe(to_node.on_data)
def compute_output(self, data):
return self.transform(data, self.attrs.get('transformAttributes', {}))
def set_transform(self, transform):
self.transform = transform
if self._data is not None:
self.data.on_next(self.compute_output(self._data))
@staticmethod
def create(node_dict):
from .data import DataNode
from .transform import TransformNode
from .sink import SinkNode
node_type_map = {
'DATA_NODE': DataNode,
'TRANSFORM_NODE': TransformNode,
'SINK_NODE': SinkNode
}
node_type = node_dict['nodeType']
return node_type_map[node_type](node_dict)
class WSHandler(WebSocketHandler):
def open(self):
print("WebSocket opened")
# A Subject is both an observable and observer, so we can both subscribe
# to it and also feed (on_next) it with new values
self.stream = Subject()
# Get all distinct key up events from the input and only fire if long enough and distinct
query = (
self.stream.map(lambda x: x["term"])
.filter(lambda text: len(text) > 2) # Only if the text is longer than 2 characters
.debounce(0.750, scheduler=scheduler) # Pause for 750ms
.distinct_until_changed()
) # Only if the value has changed
searcher = query.flat_map_latest(search_wikipedia)
def send_response(x):
self.write_message(x.body)
def on_error(ex):
print(ex)
searcher.subscribe(send_response, on_error)
def on_message(self, message):
obj = json_decode(message)
self.stream.on_next(obj)
def on_close(self):
print("WebSocket closed")
def test_accepts_multiple_subscription_fields_defined_in_schema():
SubscriptionTypeMultiple = GraphQLObjectType(
name='Subscription',
fields=OrderedDict([
('importantEmail', GraphQLField(EmailEventType)),
('nonImportantEmail', GraphQLField(EmailEventType)),
])
)
test_schema = GraphQLSchema(
query=QueryType,
subscription=SubscriptionTypeMultiple
)
stream = Subject()
send_important_email, subscription = create_subscription(
stream, test_schema)
email = Email(
from_='*****@*****.**',
subject='Alright',
message='Tests are good',
unread=True,
)
l = []
stream.subscribe(l.append)
send_important_email(email)
assert l[0][0] == email
class WSHandler(WebSocketHandler):
def open(self):
print("WebSocket opened")
# A Subject is both an observable and observer, so we can both subscribe
# to it and also feed (on_next) it with new values
self.subject = Subject()
# Now we take on our magic glasses and project the stream of bytes into
# a ...
query = self.subject.map(
lambda obj: obj["keycode"] # 1. stream of keycodes
).window_with_count(
10, 1 # 2. stream of windows (10 ints long)
).select_many(
# 3. stream of booleans, True or False
lambda win: win.sequence_equal(codes)
).filter(
lambda equal: equal # 4. stream of Trues
)
# 4. we then subscribe to the Trues, and signal Konami! if we see any
query.subscribe(lambda x: self.write_message("Konami!"))
def on_message(self, message):
obj = json_decode(message)
self.subject.on_next(obj)
def on_close(self):
print("WebSocket closed")
class WSSubject(Observer):
def __init__(self, web_socket: WebSocketResponse):
super(WSSubject, self).__init__()
self._web_socket = web_socket
self._push_subject = Subject()
def to_observable(self):
return self._push_subject
async def process(self):
async for msg in self._web_socket:
self._push_subject.on_next(msg)
self._push_subject.on_completed()
def on_next(self, data):
self._web_socket.send_str(data)
def on_completed(self):
# close web socket
# has to be coroutine to close ws
pass
def on_error(self, error):
# send error and close web socket
pass
class PausableObservable(ObservableBase):
def __init__(self, source, pauser=None):
self.source = source
self.controller = Subject()
if pauser and hasattr(pauser, "subscribe"):
self.pauser = self.controller.merge(pauser)
else:
self.pauser = self.controller
super(PausableObservable, self).__init__()
def _subscribe_core(self, observer):
conn = self.source.publish()
subscription = conn.subscribe(observer)
connection = [Disposable.empty()]
def on_next(b):
if b:
connection[0] = conn.connect()
else:
connection[0].dispose()
connection[0] = Disposable.empty()
pausable = self.pauser.distinct_until_changed().subscribe(on_next)
return CompositeDisposable(subscription, connection[0], pausable)
def pause(self):
self.controller.on_next(False)
def resume(self):
self.controller.on_next(True)
def setup_streams(store, debug=False):
reducer = reduce_action
if debug:
reducer = debug_reducer(print_traceback=False)(reducer)
action_stream = Subject() \
.merge(*state_mutating_actions) \
.map(partial(resolve_action, store=store)) \
.filter(lambda action: action is not None) \
.map(lambda action: reducer(store.value, action))
action_stream.subscribe(store)
changed_notes_stream = store \
.map(selectors.current_note) \
.distinct_until_changed() \
.debounce(1000, scheduler=scheduler) \
.pausable_buffered(note_ready_stream)
changed_notes_stream.subscribe(do_save_note)
ui_state_stream = store \
.map(selectors.ui_state) \
.debounce(500, scheduler=scheduler) \
.distinct_until_changed()
ui_state_stream.subscribe(save_ui_state)
actions.quit.subscribe(do_quit)
def get_subject(self):
subject = Subject()
subject.subscribe(
self.on_next,
self.on_error,
self.on_completed
)
return subject
def build_threads(stream_to_testers, thread_target=_perform_subscribe):
threads = []
for stream, testers in stream_to_testers.items():
subject = Subject()
for tester in testers:
subject.subscribe(tester)
threads.append(_make_thread(thread_target, stream, subject))
return threads
class Pirs:
def __init__(self):
io.setmode(io.BCM)
self.pir_pin = 4
io.setup(self.pir_pin, io.IN)
self.pirStream = Subject()
io.add_event_detect(self.pir_pin, io.RISING, callback=self.hit_callback)
def hit_callback(self, channel):
logger.logger.debug('PIR DETECTION!')
self.pirStream.on_next(True)
class Window(Gtk.Window):
def __init__(self):
super().__init__()
self.resize(600, 600)
self.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self.connect("motion-notify-event", self.on_mouse_move)
self.mousemove = Subject()
def on_mouse_move(self, widget, event):
self.mousemove.on_next((event.x, event.y))
def on_next_left(value):
s = Subject()
with self.lock:
_id = left_id[0]
left_id[0] += 1
left_map[_id] = s
try:
result = result_selector(value, add_ref(s, r))
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():
s.on_next(right_value)
md = SingleAssignmentDisposable()
group.add(md)
def expire():
if _id in left_map:
del left_map[_id]
s.on_completed()
group.remove(md)
try:
duration = left_duration_selector(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(e):
for left_value in left_map.values():
left_value.on_error(e)
observer.on_error(e)
md.disposable = duration.take(1).subscribe(
nothing,
on_error,
expire)
def action(scheduler, state=None):
s = None
if is_shift:
s = Subject()
q.append(s)
observer.on_next(add_ref(s, ref_count_disposable))
if is_span:
s = q.pop(0)
s.on_completed()
create_timer()
class Window(QWidget):
def __init__(self):
super(QWidget, self).__init__()
self.setWindowTitle("Rx for Python rocks")
self.resize(600, 600)
self.setMouseTracking(True)
# This Subject is used to transmit mouse moves to labels
self.mousemove = Subject()
def mouseMoveEvent(self, event):
self.mousemove.on_next((event.x(), event.y()))
class Frame(wx.Frame):
def __init__(self):
super(Frame, self).__init__(None)
self.SetTitle("Rx for Python rocks")
self.SetSize((600, 600))
# This Subject is used to transmit mouse moves to labels
self.mousemove = Subject()
self.Bind(wx.EVT_MOTION, self.OnMotion)
def OnMotion(self, event):
self.mousemove.on_next((event.GetX(), event.GetY()))
class DoorListener:
def __init__(self):
self.door_message_server = MessageServer(config.door_tag_port)
self.openDoorStream = Subject()
self.vibeDoorStream = Subject()
def on_message(self, data):
if data == 'door opened':
self.openDoorStream.on_next(True)
if data == 'door hit':
self.vibeDoorStream.on_next(True)
def listen(self):
self.door_message_server.listen(self.on_message)
def on_next_left(value):
subject = 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):
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)
def __init__(self, new_players, exiting_players):
self._new_players = []
self._players = []
self._removed_players = []
new_players.subscribe(self.add_player)
exiting_players.subscribe(self.remove_player)
# streams api
self.new_players_broadcast = Subject()
self.removed_players_broadcast = Subject()
self.collisions = Subject()
self.players = BehaviorSubject([])
self.players_count = self.players \
.map(lambda ps: len(ps))
def open(self):
scheduler = AsyncIOScheduler()
print("WebSocket opened")
# A Subject is both an observable and observer, so we can both subscribe
# to it and also feed (send) it with new values
self.subject = Subject()
# Get all distinct key up events from the input and only fire if long enough and distinct
searcher = self.subject.pipe(
ops.map(lambda x: x["term"]),
ops.filter(lambda text: len(text) > 2), # Only if the text is longer than 2 characters
ops.debounce(0.750), # Pause for 750ms
ops.distinct_until_changed(), # Only if the value has changed
ops.flat_map_latest(search_wikipedia)
)
def send_response(x):
self.write_message(x.body)
def on_error(ex):
print(ex)
searcher.subscribe(send_response, on_error, scheduler=scheduler)
def test_subject_create():
_x = [None]
_ex = [None]
done = False
def on_next(x):
_x[0] = x
def on_error(ex):
_ex[0] = ex
def on_completed():
done = True
v = AnonymousObserver(on_next, on_error, on_completed)
o = rx.return_value(42)
s = Subject.create(v, o)
def on_next2(x):
_x[0] = x
s.subscribe(on_next2)
assert(42 == _x[0])
s.on_next(21)
e = 'ex'
s.on_error(e)
assert(e == _ex[0])
s.on_completed()
assert(not done)
def __init__(self, name=None, keys=None, desc=None, missing_value=np.nan, data_list=None, use_col_np=False):
"""
:param name:
:param keys:
:param desc:
:param missing_value:
:param data_list:
:param use_col_np: If True, the column based storage of list will used to pass to numpy function
"""
super(DataSeries, self).__init__()
self.name = name
self.keys = self._get_key(keys, None)
self.desc = desc if desc else name
self.missing_value = missing_value
self.data_list = []
self.time_list = []
self.data_time_dict = {}
self.use_col_np = use_col_np
self.subject = Subject()
if data_list:
for data in data_list:
self.add(data)
def open(self):
print("WebSocket opened")
self.write_message("connection opened")
def send_response(x):
self.write_message(json.dumps(x))
def on_error(ex):
print(ex)
self.subject = Subject()
user_input = self.subject.throttle_last(
1000 # Given the last value in a given time interval
).start_with(
'' # Immediately after the subscription sends the default value
).filter(
lambda text: not text or len(text) > 2
)
interval_obs = Observable.interval(
60000 #refresh the value every 60 Seconds for periodic updates
).start_with(0)
self.combine_latest_sbs = user_input.combine_latest(
interval_obs, lambda input_val, i: input_val
).do_action(
lambda x: send_response('clear')
).flat_map(
self.get_data
).subscribe(send_response, on_error)
def open(self):
print("WebSocket opened")
# Subject одновременно и observable, и observer
self.subject = Subject()
def send_response(x):
self.write_message(json.dumps(x))
def on_error(ex):
print(ex)
user_input = self.subject.throttle_last(
1000 # На заданном временном промежутке получать последнее значение
).start_with(
'' # Сразу же после подписки отправляет значение по умолчанию
).filter(
lambda text: not text or len(text) > 2
)
interval_obs = Observable.interval(
60000 # Отдает значение раз в 60с (для периодического обновления)
).start_with(0)
# combine_latest собирает 2 потока из запросов пользователя и временных
# интервалов, срабатывает на любое сообщение из каждого потока
self.combine_latest_sbs = user_input.combine_latest(
interval_obs, lambda input_val, i: input_val
).do_action( # Срабатывает на каждый выпущенный элемент
# Отправляет сообщение для очистки списка на фронтэнд
lambda x: send_response('clear')
).flat_map(
# В цепочку встраивается observable для получения списка
self.get_data
).subscribe(send_response, on_error)
def open(self):
print("WebSocket opened")
# A Subject is both an observable and observer, so we can both subscribe
# to it and also feed (on_next) it with new values
self.subject = Subject()
# Get all distinct key up events from the input and only fire if long enough and distinct
query = self.subject.select(
lambda x: x["term"]
).filter(
lambda text: len(text) > 2 # Only if the text is longer than 2 characters
).throttle(
0.750, # Pause for 750ms
scheduler=scheduler
).distinct_until_changed() # Only if the value has changed
searcher = query.flat_map_latest(search_wikipedia)
def send_response(x):
self.write_message(x.body)
def on_error(ex):
print(ex)
searcher.subscribe(send_response, on_error)
class WSHandlerSubject(Observable):
def __init__(self):
self._subject = Subject()
super(WSHandlerSubject, self).__init__(self._subject.subscribe)
async def __call__(self, *args, **kwargs):
request = args[0]
web_socket = WebSocketResponse()
await web_socket.prepare(request)
ws_subject = WSSubject(web_socket)
self._subject.on_next(ws_subject)
await ws_subject.process()
return web_socket
def __init__(self):
super(QWidget, self).__init__()
self.setWindowTitle("Rx for Python rocks")
self.resize(600, 600)
self.setMouseTracking(True)
# This Subject is used to transmit mouse moves to labels
self.mousemove = Subject()
def __init__(self):
super().__init__()
self.resize(600, 600)
self.add_events(Gdk.EventMask.POINTER_MOTION_MASK)
self.connect('motion-notify-event', self.on_mouse_move)
self.mousemove = Subject()
def __init__(self):
super(Frame, self).__init__(None)
self.SetTitle("Rx for Python rocks")
self.SetSize((600, 600))
# This Subject is used to transmit mouse moves to labels
self.mousemove = Subject()
self.Bind(wx.EVT_MOTION, self.OnMotion)
def __init__(self, source, pauser=None):
self.source = source
self.controller = Subject()
if pauser and hasattr(pauser, "subscribe"):
self.pauser = self.controller.merge(pauser)
else:
self.pauser = self.controller
super(PausableBufferedObservable, self).__init__(self._subscribe)
def __init__(self, enable_queue=True, scheduler=None):
super(ControlledSubject, self).__init__(self._subscribe)
self.subject = Subject()
self.enable_queue = enable_queue
self.queue = [] if enable_queue else None
self.requested_count = 0
self.requested_disposable = Disposable.empty()
self.error = None
self.has_failed = False
self.has_completed = False
self.scheduler = scheduler or current_thread_scheduler
def on_next(x):
nonlocal s, n, window_id
new_window = False
new_id = 0
s.on_next(x)
n += 1
if n == count:
new_window = True
n = 0
window_id += 1
new_id = window_id
s.on_completed()
s = Subject()
observer.on_next(add_ref(s, ref_count_disposable))
if new_window:
create_timer(new_id)
def test_stop_default_loop_on_item(self):
stopped = False
stop_control = Subject()
def stop_loop():
nonlocal stopped
stopped = True
stop_control.on_next(True)
loop = asyncio.new_event_loop()
asyncio.set_event_loop(loop)
loop.call_soon(stop_loop)
driver = stop.make_driver()
driver.call(stop.Sink(control=stop_control))
loop.run_forever()
loop.close()
self.assertEqual(True, stopped)
def __init__(self, id, local_setvelocity_publisher, xoffset, yoffset,
leader):
self.local_setvelocity_publisher = local_setvelocity_publisher
self.id = id
self.xoffset = xoffset
self.yoffset = yoffset
self.leader = leader
self.started = False
self.ros_subscriptions = []
self.flock_coordinates = {}
self.leaderposition_subject = Subject()
self.selfposition_subject = Subject()
self.leadervelocity_subject = Subject()
self.selfvelocity_subject = Subject()
self.flock_repulsion = Subject()
formation_position_attraction = Observable.combine_latest(
self.leaderposition_subject, self.selfposition_subject,
lambda leaderposition, selfposition: self.formation_position(
leaderposition, selfposition))
leaderVelocity = self.leadervelocity_subject \
.map(lambda twist: self.format_velocities(twist))
leaderVelocityDampening = Observable.combine_latest(
self.leadervelocity_subject, self.selfvelocity_subject,
lambda leadertwist, selftwist: self.velocity_dampening(
leadertwist, selftwist))
# self.navigate_subscription = Observable.combine_latest([leaderVelocity, formation_position_attraction, self.flock_repulsion], lambda vectors: self.navigate(vectors))
self.navigate_subscription = Observable.combine_latest([leaderVelocity, leaderVelocityDampening, formation_position_attraction, self.flock_repulsion], lambda *positions: positions) \
.sample(self.SAMPLE_RATE) \
.subscribe(lambda vectors: self.navigate(vectors))
# self.navigate_subscription = self.flock_repulsion \
# .subscribe(lambda vectors: self.navigate([vectors]))
self.flockSubscription = Observable.empty().subscribe()
def test_event_order_is_correct_for_multiple_publishes():
# type: () -> None
stream = Subject()
send_important_email, subscription = create_subscription(stream)
payload = []
subscription.subscribe(payload.append)
send_important_email(
Email(
from_="*****@*****.**",
subject="Message",
message="Tests are good",
unread=True,
)
)
send_important_email(
Email(
from_="*****@*****.**",
subject="Message 2",
message="Tests are good 2",
unread=True,
)
)
expected_payload1 = {
"importantEmail": {
"email": {"from": "*****@*****.**", "subject": "Message"},
"inbox": {"unread": 1, "total": 2},
}
}
expected_payload2 = {
"importantEmail": {
"email": {"from": "*****@*****.**", "subject": "Message 2"},
"inbox": {"unread": 2, "total": 3},
}
}
assert len(payload) == 2
assert payload[0].data == expected_payload1
assert payload[1].data == expected_payload2
def subscribe(observer):
m = SerialDisposable()
d = CompositeDisposable(m)
r = RefCountDisposable(d)
window = [Subject()]
observer.on_next(add_ref(window[0], r))
def on_next(x):
window[0].on_next(x)
def on_error(ex):
window[0].on_error(ex)
observer.on_error(ex)
def on_completed():
window[0].on_completed()
observer.on_completed()
d.add(source.subscribe(on_next, on_error, on_completed))
def create_window_close():
try:
window_close = window_closing_selector()
except Exception as exception:
log.error("*** Exception: %s" % exception)
observer.on_error(exception)
return
def on_completed():
window[0].on_completed()
window[0] = Subject()
observer.on_next(add_ref(window[0], r))
create_window_close()
m1 = SingleAssignmentDisposable()
m.disposable = m1
m1.disposable = window_close.take(1).subscribe(
noop, on_error, on_completed)
create_window_close()
return r
def test_paused_skips(self):
subscription = [None]
scheduler = TestScheduler()
controller = Subject()
results = scheduler.create_observer()
xs = scheduler.create_hot_observable(on_next(150, 1), on_next(210, 2),
on_next(230, 3), on_next(301, 4),
on_next(350, 5), on_next(399, 6),
on_completed(500))
def action0(scheduler, state):
subscription[0] = xs.pausable(controller).subscribe(results)
controller.on_next(True)
scheduler.schedule_absolute(200, action0)
def action1(scheduler, state):
controller.on_next(False)
scheduler.schedule_absolute(300, action1)
def action2(scheduler, state):
controller.on_next(True)
scheduler.schedule_absolute(400, action2)
def action3(scheduler, state):
subscription[0].dispose()
scheduler.schedule_absolute(1000, action3)
scheduler.start()
assert results.messages == [
on_next(210, 2),
on_next(230, 3),
on_completed(500)
]
class Client:
def __init__(self, host = 'localhost', port = 8888):
self.url = 'ws://{}/{}/exchange'.format(host, port)
self.conn = None
self.opened = Subject()
self.messages = Subject()
def write_message(self, message):
self.conn.w
def connect(self):
def on_message_callback(message):
self.messages.on_next(message)
def on_connect(connection):
self.conn = connection
self.opened.on_next(connection)
self.opened.on_completed()
self.opened.dispose()
future = websocket_connect(self.url, on_message_callback=on_message_callback)
Observable.from_future(future).subscribe(on_connect)
def subscribe(observer, scheduler=None):
m = SerialDisposable()
d = CompositeDisposable(m)
r = RefCountDisposable(d)
window = [Subject()]
observer.on_next(add_ref(window[0], r))
def on_next(value):
window[0].on_next(value)
def on_error(error):
window[0].on_error(error)
observer.on_error(error)
def on_completed():
window[0].on_completed()
observer.on_completed()
d.add(source.subscribe_(on_next, on_error, on_completed, scheduler))
def create_window_on_completed():
try:
window_close = window_closing_mapper()
except Exception as exception:
observer.on_error(exception)
return
def on_completed():
window[0].on_completed()
window[0] = Subject()
observer.on_next(add_ref(window[0], 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)
create_window_on_completed()
return r
def test_multicast_hot_1(self):
scheduler = TestScheduler()
s = Subject()
xs = scheduler.create_hot_observable(on_next(40, 0), on_next(90, 1),
on_next(150, 2), on_next(210, 3),
on_next(240, 4), on_next(270, 5),
on_next(330, 6), on_next(340, 7),
on_completed(390))
o = scheduler.create_observer()
d1 = [None]
d2 = [None]
c = [None]
def action(scheduler, state):
c[0] = xs.multicast(s)
scheduler.schedule_absolute(50, action)
def action0(scheduler, state):
d1[0] = c[0].subscribe(o)
scheduler.schedule_absolute(100, action0)
def action1(scheduler, state):
d2[0] = c[0].connect()
scheduler.schedule_absolute(200, action1)
def action2(scheduler, state):
d1[0].dispose()
scheduler.schedule_absolute(300, action2)
scheduler.start()
o.messages.assert_equal(on_next(210, 3), on_next(240, 4),
on_next(270, 5))
xs.subscriptions.assert_equal(subscribe(200, 390))
class AsyncConnection(asyncio.Protocol, Connection):
def __init__(self, on_connect):
super().__init__()
self.on_connect = on_connect
def connection_made(self, transport: asyncio.Transport):
peername = transport.get_extra_info('peername')
logger.info('Connection from %s', peername)
self.transport = transport
self.data_in = Subject()
self.data_out = AnonymousObserver(self.on_data_out_next,
self.on_data_out_error,
self.on_data_out_completed)
self.on_connect(self)
def eof_received(self):
logger.debug('data eof received')
self.data_in.on_completed()
def resume_writing(self):
logger.debug('data resume')
def pause_writing(self):
logger.debug('data pause')
def connection_lost(self, exc):
logger.debug('data connection lost')
self.data_in.on_error(exc)
def data_received(self, data):
logger.debug('data received: %s', data)
self.data_in.on_next(data)
def on_data_out_next(self, data):
logger.debug('sending: %s', data)
self.transport.write(data)
def on_data_out_error(self, exception):
logger.exception('data_out error: %r', exception)
self.close()
def on_data_out_completed(self):
logger.info('data_out completed')
self.close()
def close(self):
self.transport.close()
def adapter(source):
sink_request = Subject()
def walk(top, recursive=False):
def on_subscribe(observer):
response = (source.filter(lambda i: i.id is response_observable).
take(1).map(lambda i: i.content))
dispose = response.subscribe(observer)
sink_request.on_next(
Walk(
id=response_observable,
top=top,
recursive=recursive,
))
return dispose
response_observable = Observable.create(on_subscribe)
return response_observable
return Adapter(sink=sink_request, api=Api(walk=walk, ))
def test_paused_with_state_change_in_subscriber(self):
scheduler = TestScheduler()
results = scheduler.create_observer()
xs = scheduler.create_hot_observable(on_next(150, 1), on_next(210, 2),
on_next(250, 3), on_next(270, 4),
on_next(330, 5),
on_completed(500))
controller = Subject()
pausable_buffered = xs.pausable_buffered(controller)
def action1(scheduler, state):
def on_next(value):
results.on_next(value)
controller.on_next(False)
def action2(scheduler, state):
controller.on_next(True)
scheduler.schedule_relative(100, action2)
subscription = pausable_buffered.subscribe_(
on_next, results.on_error, results.on_completed)
controller.on_next(True)
scheduler.schedule_absolute(200, action1)
scheduler.start()
assert results.messages == [
on_next(210, 2),
on_next(310, 3),
on_next(310, 4),
on_next(410, 5),
on_completed(500)
]
def test_multicast_hot_2(self):
c = [None]
d1 = [None]
d2 = [None]
scheduler = TestScheduler()
xs = scheduler.create_hot_observable(on_next(40, 0), on_next(90, 1),
on_next(150, 2), on_next(210, 3),
on_next(240, 4), on_next(270, 5),
on_next(330, 6), on_next(340, 7),
on_completed(390))
s = Subject()
o = scheduler.create_observer()
def action0(scheduler, state):
c[0] = xs.multicast(s)
scheduler.schedule_absolute(50, action0)
def action1(scheduler, state):
d2[0] = c[0].connect(scheduler)
scheduler.schedule_absolute(100, action1)
def action2(scheduler, state):
d1[0] = c[0].subscribe(o, scheduler)
scheduler.schedule_absolute(200, action2)
def action3(scheduler, state):
return d1[0].dispose()
scheduler.schedule_absolute(300, action3)
scheduler.start()
assert o.messages == [
on_next(210, 3), on_next(240, 4),
on_next(270, 5)
]
assert xs.subscriptions == [subscribe(100, 390)]
def __init__(self,
tupleSelector: TupleSelector,
cacheEnabled: bool = True) -> None:
if _CachedSubscribedData.__memoryLoggingEnabled:
_CachedSubscribedData.__memoryLoggingRefs.append(weakref.ref(self))
self.tupleSelector: TupleSelector = tupleSelector
self.vortexUuids: Set[str] = set()
self.tearDownDate: Optional[datetime] = None
self.encodedPayload: bytes = None
#: Is the cache enabled
# HINT: Once it's turned off for a tupleSelector, it remains off.
# Disabling it can also be done from VortexJS
self.cacheEnabled = cacheEnabled
#: Last Server Payload Date
# If the server has responded with a payload, this is the date in the payload
# @type {Date | null}
self.lastServerPayloadDate: Optional[datetime] = None
self.subject = Subject()
def main():
root = Tk()
root.title("Rx for Python rocks")
scheduler = TkinterScheduler(root)
mousemove = Subject()
frame = Frame(root, width=600, height=600)
frame.bind("<Motion>", mousemove.on_next)
text = 'TIME FLIES LIKE AN ARROW'
def on_next(info):
label, ev, i = info
label.place(x=ev.x + i*12 + 15, y=ev.y)
def handle_label(label, i):
label.config(dict(borderwidth=0, padx=0, pady=0))
mapper = ops.map(lambda ev: (label, ev, i))
delayer = ops.delay(i*0.1)
return mousemove.pipe(
delayer,
mapper
)
labeler = ops.flat_map_indexed(handle_label)
mapper = ops.map(lambda c: Label(frame, text=c))
rx.from_(text).pipe(
mapper,
labeler
).subscribe(on_next, on_error=print, scheduler=scheduler)
frame.pack()
root.mainloop()
def test_subject_create():
_x = None
_ex = None
done = False
def on_next(x):
nonlocal _x
_x = x
def on_error(ex):
nonlocal _ex
_ex = ex
def on_completed():
done = True
v = Observer(on_next, on_error, on_completed)
o = Observable.return_value(42)
s = Subject.create(v, o)
def on_next2(x):
nonlocal _x
_x = x
s.subscribe(on_next2)
assert (42 == _x)
s.on_next(21)
e = 'ex'
s.on_error(e)
assert (e == _ex)
s.on_completed()
assert (not done)
def make_sink_proxies(drivers):
''' Build a list of sink proxies. sink proxies are a two-level ordered
dictionary. The first level contains the lst of drivers, and the second
level contains the list of sink proxies for each driver:
drv1-->sink1
| |->sink2
|
drv2-->sink1
|->sink2
'''
sink_proxies = OrderedDict()
if drivers is not None:
for driver_name in drivers._fields:
driver = getattr(drivers, driver_name)
driver_sink = getattr(driver, 'input')
if driver_sink is not None:
driver_sink_proxies = OrderedDict()
for name in driver_sink._fields:
driver_sink_proxies[name] = Subject()
sink_proxies[driver_name] = driver.input(**driver_sink_proxies)
return sink_proxies
def __init__(self, chr_contr, executor, gen0=None, opts=default_options):
self.gen0 = gen0
self.chr_contr = chr_contr
self.pauser = Pauser()
self.executor = executor
self.executor.kpp_fun = self.pauser.kpp
self.sub_chr_best = ReplaySubject()
self.sub_gen_solved = Subject()
self.sub_gen_unsolved = Subject()
self.subj_done = Subject()
self.su_genetic = StepUpGenetic(chr_contr)
self.opts = dict(default_options)
self.init_opts(opts)
self.stop_flag = True
self.gen_flag = True
self.init_logic()
def test_add_route(self):
routes = [
httpd.AddRoute(methods=['GET'], path='/foo', id='foo'),
httpd.AddRoute(methods=['POST'], path='/bar', id='bar'),
httpd.AddRoute(methods=['PUT'], path='/biz', id='biz'),
]
actual_routes = []
loop = asyncio.new_event_loop()
loop.set_debug(True)
asyncio.set_event_loop(loop)
sink = httpd.Sink(control=Subject())
def setup(sink):
sink.control.on_next(httpd.Initialize()),
sink.control.on_next(httpd.StartServer(host='localhost', port=9999)),
for route in routes:
sink.control.on_next(route)
def on_route_item(i):
if type(i) is httpd.RouteAdded:
actual_routes.append(i)
# stop mainloop when last route is created
if i.id == routes[-1].id:
asyncio.get_event_loop().stop()
loop.call_soon(setup, sink)
source = httpd.make_driver(loop).call(sink)
source.route.subscribe(on_route_item)
loop.run_forever()
loop.close()
self.assertEqual(len(routes), len(actual_routes))
for index,route in enumerate(actual_routes):
self.assertEqual(routes[index].path, route.path)
self.assertEqual(routes[index].id, route.id)
self.assertIsInstance(route.request, Observable)
def __init__(self):
scheduler = IOLoopScheduler(IOLoop.current())
self._app = Application([
(r'/exchange', ExchangeHandler),
])
self._servers = [
['localhost', '8888'],
['localhost', '7777'],
]
self._current_server = 0
self.messages = Subject()
def passthrough_to_matching_server(msg):
if self.matching_server_connection is None:
print('server is DOWN')
return
self.matching_server_connection.write_message(msg)
self.only_messages = self.messages \
.filter(lambda msg: msg[0] == 'message') \
.map(lambda msg: msg[1]) \
.subscribe(passthrough_to_matching_server)
def subject_selector():
return Subject()
def subject_factory(scheduler):
return Subject()
def get_config():
config_file = open(os.path.join(DIRNAME, '..', 'config.json'), 'r')
config = json.load(config_file)
config_file.close()
return config
CONFIG = get_config()
VARS = {
'endpoint_id': None,
'message_queue': ReplaySubject(),
'message_id': 0,
'sock': None,
'message_buffer': []
}
EVENT_SOURCE = Subject()
def get_message_id():
"""get unique message id"""
num = VARS['message_id']
VARS['message_id'] = VARS['message_id'] + 1
return '{!s}:{!s}'.format(VARS['endpoint_id'], num)
def _on_message(msg):
if msg is None:
#disconnected
on_disconnect()
reconnect()
else:
class HttpParser(Observer):
def __init__(self, conn):
super(HttpParser, self).__init__()
self.conn = conn
self.buf = StringIO()
self.requests_in = Subject()
self.responses_out = HttpWriter(conn)
self.keep_alive_timeout_dispose = Disposable.empty()
self.read_timeout_dispose = Disposable.empty()
self.keep_alive_timer_on()
def schedule_timeout(self, seconds):
def action(scheduler, state=None):
print 'timeout', seconds
self.requests_in.on_error(HttpResponse(408, 'Request Timeout'))
return scheduler.schedule_relative(timedelta(seconds=seconds), action)
def clear_timeout(self, disposable):
try:
disposable.dispose()
except: # Twisted sometimes complains when we try to cancel timeout after it has already fired
pass
def keep_alive_timer_on(self):
self.keep_alive_timer_off()
self.keep_alive_timeout_dispose = self.schedule_timeout(
KEEP_ALIVE_TIMEOUT)
def keep_alive_timer_off(self):
self.clear_timeout(self.keep_alive_timeout_dispose)
def read_timer_on(self):
self.read_timer_off()
self.read_timeout_dispose = self.schedule_timeout(READ_TIMEOUT)
def read_timer_off(self):
self.clear_timeout(self.read_timeout_dispose)
def parse_request(self, buf):
lines = buf.split('\r\n')
first_line = lines[0].split()
if len(first_line) == 3:
self.requests_in.on_next(
HttpRequest(self.conn, first_line[0], first_line[1]))
else:
self.requests_in.on_error(HttpResponse(400, 'Bad Request'))
def on_next(self, data):
self.keep_alive_timer_off()
self.read_timer_on()
self.buf.write(data) # append new data
buf = self.buf.getvalue()
eor = buf.find('\r\n\r\n') # check we've got full request
if eor >= 0:
self.buf = StringIO()
self.buf.write(buf[eor + 4:]) # leave remainder in buf
self.parse_request(buf[:eor])
self.read_timer_off()
self.keep_alive_timer_on()
def on_error(self, e):
print 'parser got error', e
self.keep_alive_timer_off()
self.read_timer_off()
self.requests_in.on_error(HttpResponse(500, 'Internal Server Error'))
def on_completed(self):
print 'parser completed'
self.keep_alive_timer_off()
self.read_timer_off()
self.requests_in.on_completed()
def connectionMade(self):
self.data_in = Subject()
self.listener.on_next(self)
class WorkspaceProcessContext:
"""
This class is process-scoped object that is initialized using the repository handles from a
Workspace. The responsibility of this class is to:
1. Maintain an update-to-date dictionary of repository locations
1. Create `WorkspaceRequestContexts` whever a request is made
2. Run watch thread processes that monitor repository locations
In most cases, you will want to create a `WorkspaceRequestContext` to make use of this class.
"""
def __init__(self, instance, workspace, version=None):
# lazy import for perf
from rx.subjects import Subject
self._instance = check.inst_param(instance, "instance", DagsterInstance)
self._workspace = workspace
self._location_state_events = Subject()
self._location_state_subscriber = LocationStateSubscriber(
self._location_state_events_handler
)
self.version = version
self._initialize_repository_locations()
def _initialize_repository_locations(self):
self._repository_locations = {}
for location in self._workspace.repository_locations:
check.invariant(
self._repository_locations.get(location.name) is None,
'Cannot have multiple locations with the same name, got multiple "{name}"'.format(
name=location.name,
),
)
location.add_state_subscriber(self._location_state_subscriber)
self._repository_locations[location.name] = location
def create_request_context(self):
return WorkspaceRequestContext(
instance=self.instance,
workspace_snapshot=self._workspace.create_snapshot(),
repository_locations_dict=self._repository_locations.copy(),
process_context=self,
version=self.version,
)
@property
def instance(self):
return self._instance
@property
def repository_locations(self):
return list(self._repository_locations.values())
@property
def location_state_events(self):
return self._location_state_events
def _location_state_events_handler(self, event):
# If the server was updated or we were not able to reconnect, we immediately reload the
# location handle
if event.event_type in (
LocationStateChangeEventType.LOCATION_UPDATED,
LocationStateChangeEventType.LOCATION_ERROR,
):
# In case of an updated location, reload the handle to get updated repository data and
# re-attach a subscriber
# In case of a location error, just reload the handle in order to update the workspace
# with the correct error messages
self.reload_repository_location(event.location_name)
self._location_state_events.on_next(event)
def reload_repository_location(self, name):
self._workspace.reload_repository_location(name)
if self._workspace.has_repository_location(name):
new_location = self._workspace.get_repository_location(name)
new_location.add_state_subscriber(self._location_state_subscriber)
check.invariant(new_location.name == name)
self._repository_locations[name] = new_location
elif name in self._repository_locations:
del self._repository_locations[name]
return self
def reload_workspace(self):
self._workspace.reload_workspace()
self._initialize_repository_locations()
def __init__(self,
width,
height,
path,
plist,
target,
is_workspace,
is_release,
is_http,
fir='',
store_name='',
store_pwd=''):
"""
此窗口 固定宽高 ，不可变动
:param width: 窗口宽度
:param height: 窗口高度
公开属性：
window， 主窗体
source， Rx 信号体 通过 source.subscribe(... 获得回调信号
"""
TkBase.__init__(self, width, height)
self.project_path = tk.StringVar()
self.plist_path = tk.StringVar()
self.target = tk.StringVar()
self.project_path.set(os.path.abspath('..')) # 默认父级目录
self.plist_path.set(os.path.abspath('.') +
'/ipaAppStore.plist') # 默认当前目录
self.record_info = tk.StringVar()
self.record_info.set('AutomationIpaInfo')
self.is_workspace = tk.BooleanVar()
self.is_workspace.set(True)
self.is_release = tk.BooleanVar()
self.is_release.set(True)
self.is_git = tk.BooleanVar()
self.is_git.set(True)
self.is_http = tk.BooleanVar()
self.is_http.set(False)
self.fir_token = tk.StringVar()
self.fir_token.set('')
self.is_fir = tk.BooleanVar()
self.is_fir.set(True)
self.store_name = tk.StringVar()
self.store_name.set('')
self.store_pwd = tk.StringVar()
self.store_pwd.set('')
self.is_store = tk.BooleanVar()
self.is_store.set(True)
self.__make_var()
self.__make_widgets()
self.source = Subject()
self.project_path.set(path)
self.plist_path.set(plist)
self.target.set(target)
self.is_workspace.set(is_workspace)
self.is_release.set(is_release)
self.is_fir.set(not is_release)
self.is_store.set(is_release)
self.is_http.set(is_http)
self.fir_token.set(fir)
self.store_name.set(store_name)
self.store_pwd.set(store_pwd)
class TkSelect(TkBase):
def __init__(self,
width,
height,
path,
plist,
target,
is_workspace,
is_release,
is_http,
fir='',
store_name='',
store_pwd=''):
"""
此窗口 固定宽高 ，不可变动
:param width: 窗口宽度
:param height: 窗口高度
公开属性：
window， 主窗体
source， Rx 信号体 通过 source.subscribe(... 获得回调信号
"""
TkBase.__init__(self, width, height)
self.project_path = tk.StringVar()
self.plist_path = tk.StringVar()
self.target = tk.StringVar()
self.project_path.set(os.path.abspath('..')) # 默认父级目录
self.plist_path.set(os.path.abspath('.') +
'/ipaAppStore.plist') # 默认当前目录
self.record_info = tk.StringVar()
self.record_info.set('AutomationIpaInfo')
self.is_workspace = tk.BooleanVar()
self.is_workspace.set(True)
self.is_release = tk.BooleanVar()
self.is_release.set(True)
self.is_git = tk.BooleanVar()
self.is_git.set(True)
self.is_http = tk.BooleanVar()
self.is_http.set(False)
self.fir_token = tk.StringVar()
self.fir_token.set('')
self.is_fir = tk.BooleanVar()
self.is_fir.set(True)
self.store_name = tk.StringVar()
self.store_name.set('')
self.store_pwd = tk.StringVar()
self.store_pwd.set('')
self.is_store = tk.BooleanVar()
self.is_store.set(True)
self.__make_var()
self.__make_widgets()
self.source = Subject()
self.project_path.set(path)
self.plist_path.set(plist)
self.target.set(target)
self.is_workspace.set(is_workspace)
self.is_release.set(is_release)
self.is_fir.set(not is_release)
self.is_store.set(is_release)
self.is_http.set(is_http)
self.fir_token.set(fir)
self.store_name.set(store_name)
self.store_pwd.set(store_pwd)
def __make_var(self):
path = os.path.abspath('..') # 获取当前父级目录
self.project_path.set(path) # 默认父级目录
# 获取父级目录下所有文件
for name in os.listdir(path):
if name.endswith('.xcodeproj'):
self.target.set(name.split('.')[0])
self.is_workspace.set(False)
if name.endswith('.xcworkspace'):
self.target.set(name.split('.')[0])
self.is_workspace.set(True)
def run(self):
self.window.mainloop()
def quit(self):
self.window.quit()
self.window.destroy()
def __make_widgets(self):
# 底部容器
frame0 = tk.Frame(self.window)
frame0.grid(row=0, column=0)
frame1 = tk.Frame(self.window)
frame1.grid(row=1, column=0)
frame2 = tk.Frame(self.window)
frame2.grid(row=2, column=0)
# frame0 容器
self.__make_title_empty(frame0, 0, 0)
f1 = tk.Frame(frame0)
f1.grid(row=1, column=0)
f2 = tk.Frame(frame0)
f2.grid(row=1, column=1)
# frame1 容器
self.__make_title_empty(frame1, 0, 0)
self.__make_select_confirm(frame1, 1, 0)
# frame2 容器
self.__make_title_info(frame2, 0, 0)
# f1 容器
self.__make_title_empty(f1, 0, 0)
self.__make_title(f1, 0, 1, '项目目录：(选择.xcworkspace or .xcodeproj文件)')
self.__make_title_empty(f1, 1, 0)
self.__make_select_text(f1, 1, 1, 1, self.project_path)
self.__make_title_empty(f1, 2, 0)
self.__make_title(f1, 2, 1, '配置.plist 路径：(对应是否Release，不可单独修改)')
self.__make_title_empty(f1, 3, 0)
self.__make_select_text(f1, 3, 1, 2, self.plist_path)
self.__make_title_empty(f1, 4, 0)
self.__make_title(f1, 4, 1, '项目 Target：')
self.__make_title_empty(f1, 5, 0)
self.__make_select_text(f1, 5, 1, 2, self.target, False)
"""
self.__make_title_empty(f1, 6, 0)
self.__make_title(f1, 6, 1, '配置存储文件名')
self.__make_title_empty(f1, 7, 0)
self.__make_select_text(f1, 7, 1, 2, self.record_info, False)
"""
self.__make_title_empty(f1, 8, 0)
self.__make_title(f1, 8, 1, 'Fir Token：')
self.__make_title_empty(f1, 9, 0)
self.__make_select_text(f1, 9, 1, 2, self.fir_token, False)
self.__make_title_empty(f1, 10, 0)
self.__make_title(f1, 10, 1, 'App Store 账号：')
self.__make_title_empty(f1, 11, 0)
self.__make_select_text(f1, 11, 1, 2, self.store_name, False)
self.__make_title_empty(f1, 12, 0)
self.__make_title(f1, 12, 1, 'App Store 密码：')
self.__make_title_empty(f1, 13, 0)
self.__make_select_text(f1, 13, 1, 2, self.store_pwd, False)
# f2 容器
self.__make_title(f2, 0, 0, '是否.workspace：', 15, 'e')
self.__make_radio_button(f2, 0, 1, '是', True, self.is_workspace)
self.__make_radio_button(f2, 0, 2, '否', False, self.is_workspace)
self.__make_title_empty(f2, 1, 0)
self.__make_title(f2, 2, 0, '是否 Release：', 15, 'e')
self.__make_radio_button(f2, 2, 1, '是', True, self.is_release)
self.__make_radio_button(f2, 2, 2, '否', False, self.is_release)
self.__make_title_empty(f2, 3, 0)
self.__make_title(f2, 4, 0, 'Git or SVN：', 15, 'e')
self.__make_radio_button(f2, 4, 1, 'Git', True, self.is_git)
self.__make_radio_button(f2, 4, 2, 'SVN', False, self.is_git)
self.__make_title_empty(f2, 5, 0)
self.__make_title(f2, 6, 0, '开启http服务：', 15, 'e')
self.__make_radio_button(f2, 6, 1, '开', True, self.is_http)
self.__make_radio_button(f2, 6, 2, '关', False, self.is_http)
self.__make_title_empty(f2, 7, 0)
self.__make_title(f2, 8, 0, '上传到fir.im：', 15, 'e')
self.__make_radio_button(f2, 8, 1, '是', True, self.is_fir)
self.__make_radio_button(f2, 8, 2, '否', False, self.is_fir)
self.__make_title_empty(f2, 9, 0)
self.__make_title(f2, 10, 0, '上传到App Store：', 15, 'e')
self.__make_radio_button(f2, 10, 1, '是', True, self.is_store)
self.__make_radio_button(f2, 10, 2, '否', False, self.is_store)
self.__make_title_empty(f2, 11, 0)
def __make_title_empty(self, frame, row, column):
tk.Label(frame, text='', width=1, anchor='w').grid(row=row,
column=column)
def __make_title_info(self, frame, row, column):
tk.Label(frame,
text=info,
font=('Arial', 10),
fg='gray',
width=90,
justify='left',
anchor='w').grid(row=row, column=column)
def __make_title(self,
frame,
row,
column,
title=' ',
width=35,
anchor='w'):
tk.Label(frame, text=title, width=width,
anchor=anchor).grid(row=row, column=column)
def __make_select_text(self, frame, row, column, tag, text, sele=True):
entry = tk.Entry(frame, width=35, textvariable=text)
entry.grid(row=row, column=column)
if sele:
button = tk.Button(frame, text='选择')
button.grid(row=row, column=column + 1)
button['command'] = (lambda: self.__click_select(entry, tag))
def __make_radio_button(self, frame, row, column, text, val, var):
tk.Radiobutton(frame, text=text, width=5, variable=var,
value=val).grid(row=row, column=column)
def __print_selection(self, tag):
pass
def __click_select(self, entry, tag):
if tag == 1:
path = filedialog.askopenfilename()
if len(path) > 0:
t = '/'
list = path.split('/')
pro = list.pop()
path = t.join(list)
self.is_workspace.set('.xcworkspace' in pro)
tag = pro.split('.')[0]
self.project_path.set(path)
self.target.set(tag)
else:
path = filedialog.askopenfilename()
if len(path) > 0:
t = '/'
self.plist_path.set(path)
list = path.split('/')
pro = list.pop()
self.is_release.set('AppStore' in pro)
def __select_excel_input(self, entry_box):
path = filedialog.askopenfilename()
entry_box.delete(0, len(entry_box.get()))
entry_box.insert(0, path)
self.project_path = path
# 如果 函数内部没有使用到 self. 会提示 Method 'select_excel_input' may be 'static' less... (⌘F1)
# 会建议你 要么 加上@staticmethod ，要么放到class外面去
def __select_excel_output(self, entry_box):
path = askdirectory()
entry_box.delete(0, len(entry_box.get()))
entry_box.insert(0, path)
return path
def __make_select_confirm(self, frame, row, column):
button = tk.Button(frame, width=15, text='开启自动打包')
button.grid(row=row, column=column)
button['command'] = (lambda: self.__click_browser())
def __click_browser(self):
if len(self.project_path.get()) > 0 and len(
self.plist_path.get()) > 0 and len(self.target.get()) > 0:
self.quit()
# 去除了 plist 文件输入框 这里根据 选择重新配置
"""
if self.is_release.get():
self.plist_path.set(os.path.abspath('.') + '/ipaAppStore.plist')
else:
self.plist_path.set(os.path.abspath('.') + '/ipaAdHoc.plist')
"""
self.source.on_next(
(self.project_path.get(), self.plist_path.get(),
self.target.get(), self.is_workspace.get(),
self.is_release.get(), self.is_http.get(),
self.fir_token.get(), self.store_name.get(),
self.store_pwd.get()))
def create_window():
s = Subject()
q.append(s)
observer.on_next(add_ref(s, refCountDisposable))
class ControlledSubject(ObservableBase, Observer):
def __init__(self, enable_queue=True, scheduler=None):
super(ControlledSubject, self).__init__()
self.subject = Subject()
self.enable_queue = enable_queue
self.queue = [] if enable_queue else None
self.requested_count = 0
self.requested_disposable = Disposable.empty()
self.error = None
self.has_failed = False
self.has_completed = False
self.scheduler = scheduler or current_thread_scheduler
def _subscribe_core(self, observer):
return self.subject.subscribe(observer)
def on_completed(self):
self.has_completed = True
if not self.enable_queue or len(self.queue) == 0:
self.subject.on_completed()
self.dispose_current_request()
else:
self.queue.append(OnCompleted())
def on_error(self, error):
self.has_failed = True
self.error = error
if not self.enable_queue or len(self.queue) == 0:
self.subject.on_error(error)
self.dispose_current_request()
else:
self.queue.append(OnError(error))
def on_next(self, value):
if self.requested_count <= 0:
self.enable_queue and self.queue.append(OnNext(value))
else:
self.requested_count -= 1
if self.requested_count == 0:
self.dispose_current_request()
self.subject.on_next(value)
def _process_request(self, number_of_items):
if self.enable_queue:
while len(self.queue) > 0 and (number_of_items > 0
or self.queue[0].kind != 'N'):
first = self.queue.pop(0)
first.accept(self.subject)
if first.kind == 'N':
number_of_items -= 1
else:
self.dispose_current_request()
self.queue = []
return number_of_items
def request(self, number):
self.dispose_current_request()
def action(scheduler, i):
remaining = self._process_request(i)
stopped = self.has_completed and self.has_failed
if not stopped and remaining > 0:
self.requested_count = remaining
def dispose():
self.requested_count = 0
return AnonymousDisposable(dispose)
# Scheduled item is still in progress. Return a new
# disposable to allow the request to be interrupted
# via dispose.
self.requested_disposable = self.scheduler.schedule(action,
state=number)
return self.requested_disposable
def dispose_current_request(self):
if self.requested_disposable:
self.requested_disposable.dispose()
self.requested_disposable = None