def on_mouse_up(self) -> Observable[MouseButtonEvent]:
return self.on_state_change.pipe(
ops.map(lambda s: s.buttons),
ops.distinct_until_changed(),
ops.pairwise(),
ops.flat_map(lambda b: b[0] - b[1]),
ops.map(lambda b: MouseUpEvent(self, self.state.unwrap(), b)))
def open(self):
scheduler = AsyncIOScheduler(asyncio.get_event_loop())
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[Dict[str, str]] = 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: HTTPResponse) -> None:
self.write_message(x.body)
def on_error(ex: Exception):
print(ex)
searcher.subscribe(on_next=send_response,
on_error=on_error,
scheduler=scheduler)
:param temperature: the sensor temperature
:return: Line protocol to write into InfluxDB
"""
import socket
return 'iot_sensor,hostname={},type=temperature value={}'.format(
socket.gethostname(), temperature)
"""
Read temperature every minute; distinct_until_changed - produce only if temperature change
"""
data = rx \
.interval(period=timedelta(seconds=60)) \
.pipe(ops.map(lambda t: sensor_temperature()),
ops.distinct_until_changed(),
ops.map(lambda temperature: line_protocol(temperature)))
_db_client = InfluxDBClient(url="http://localhost:8086",
token="my-token",
org="my-org",
debug=True)
"""
Create client that writes data into InfluxDB
"""
_write_api = _db_client.write_api(write_options=WriteOptions(batch_size=1))
_write_api.write(bucket="my-bucket", record=data)
"""
Call after terminate a script
"""
atexit.register(on_exit, _db_client, _write_api)
def on_state_change(self) -> Observable[TState]:
return self._state_subject.pipe(ops.distinct_until_changed())
def create():
return xs.pipe(ops.distinct_until_changed())
def on_mouse_move(self) -> Observable[MouseMoveEvent]:
return self.on_state_change.pipe(
ops.map(partial(MouseMoveEvent, self)),
ops.distinct_until_changed())
def create():
return reactivex.never().pipe(ops.distinct_until_changed())
def create():
return xs.pipe(
ops.distinct_until_changed(comparer=lambda x, y: _raise(ex)), )
def create():
return xs.pipe(ops.distinct_until_changed(lambda x: _raise(ex)))
def create():
return xs.pipe(ops.distinct_until_changed(lambda x: x % 2))
def create():
return xs.pipe(
ops.distinct_until_changed(comparer=lambda x, y: False))