venv added, updated
This commit is contained in:
@@ -0,0 +1,177 @@
|
||||
import logging
|
||||
from typing import Any, Optional, Set, TypeVar, cast
|
||||
|
||||
from reactivex import abc, typing
|
||||
from reactivex.disposable import (
|
||||
CompositeDisposable,
|
||||
Disposable,
|
||||
SingleAssignmentDisposable,
|
||||
)
|
||||
|
||||
from ..periodicscheduler import PeriodicScheduler
|
||||
|
||||
_TState = TypeVar("_TState")
|
||||
|
||||
log = logging.getLogger("Rx")
|
||||
|
||||
|
||||
class WxScheduler(PeriodicScheduler):
|
||||
"""A scheduler for a wxPython event loop."""
|
||||
|
||||
def __init__(self, wx: Any) -> None:
|
||||
"""Create a new WxScheduler.
|
||||
|
||||
Args:
|
||||
wx: The wx module to use; typically, you would get this by
|
||||
import wx
|
||||
"""
|
||||
|
||||
super().__init__()
|
||||
self._wx = wx
|
||||
timer_class: Any = self._wx.Timer
|
||||
|
||||
class Timer(timer_class):
|
||||
def __init__(self, callback: typing.Action) -> None:
|
||||
super().__init__() # type: ignore
|
||||
self.callback = callback
|
||||
|
||||
def Notify(self) -> None:
|
||||
self.callback()
|
||||
|
||||
self._timer_class = Timer
|
||||
self._timers: Set[Timer] = set()
|
||||
|
||||
def cancel_all(self) -> None:
|
||||
"""Cancel all scheduled actions.
|
||||
|
||||
Should be called when destroying wx controls to prevent
|
||||
accessing dead wx objects in actions that might be pending.
|
||||
"""
|
||||
for timer in self._timers:
|
||||
timer.Stop() # type: ignore
|
||||
|
||||
def _wxtimer_schedule(
|
||||
self,
|
||||
time: typing.AbsoluteOrRelativeTime,
|
||||
action: typing.ScheduledSingleOrPeriodicAction[_TState],
|
||||
state: Optional[_TState] = None,
|
||||
periodic: bool = False,
|
||||
) -> abc.DisposableBase:
|
||||
scheduler = self
|
||||
|
||||
sad = SingleAssignmentDisposable()
|
||||
|
||||
def interval() -> None:
|
||||
nonlocal state
|
||||
if periodic:
|
||||
state = cast(typing.ScheduledPeriodicAction[_TState], action)(state)
|
||||
else:
|
||||
sad.disposable = cast(typing.ScheduledAction[_TState], action)(
|
||||
scheduler, state
|
||||
)
|
||||
|
||||
msecs = max(1, int(self.to_seconds(time) * 1000.0)) # Must be non-zero
|
||||
|
||||
log.debug("timeout wx: %s", msecs)
|
||||
|
||||
timer = self._timer_class(interval)
|
||||
# A timer can only be used from the main thread
|
||||
if self._wx.IsMainThread():
|
||||
timer.Start(msecs, oneShot=not periodic) # type: ignore
|
||||
else:
|
||||
self._wx.CallAfter(timer.Start, msecs, oneShot=not periodic) # type: ignore
|
||||
self._timers.add(timer)
|
||||
|
||||
def dispose() -> None:
|
||||
timer.Stop() # type: ignore
|
||||
self._timers.remove(timer)
|
||||
|
||||
return CompositeDisposable(sad, Disposable(dispose))
|
||||
|
||||
def schedule(
|
||||
self, action: typing.ScheduledAction[_TState], state: Optional[_TState] = None
|
||||
) -> abc.DisposableBase:
|
||||
"""Schedules an action to be executed.
|
||||
|
||||
Args:
|
||||
action: Action to be executed.
|
||||
state: [Optional] state to be given to the action function.
|
||||
|
||||
Returns:
|
||||
The disposable object used to cancel the scheduled action
|
||||
(best effort).
|
||||
"""
|
||||
sad = SingleAssignmentDisposable()
|
||||
is_disposed = False
|
||||
|
||||
def invoke_action() -> None:
|
||||
if not is_disposed:
|
||||
sad.disposable = action(self, state)
|
||||
|
||||
self._wx.CallAfter(invoke_action)
|
||||
|
||||
def dispose() -> None:
|
||||
nonlocal is_disposed
|
||||
is_disposed = True
|
||||
|
||||
return CompositeDisposable(sad, Disposable(dispose))
|
||||
|
||||
def schedule_relative(
|
||||
self,
|
||||
duetime: typing.RelativeTime,
|
||||
action: typing.ScheduledAction[_TState],
|
||||
state: Optional[_TState] = None,
|
||||
) -> abc.DisposableBase:
|
||||
"""Schedules an action to be executed after duetime.
|
||||
|
||||
Args:
|
||||
duetime: Relative time after which to execute the action.
|
||||
action: Action to be executed.
|
||||
state: [Optional] state to be given to the action function.
|
||||
|
||||
Returns:
|
||||
The disposable object used to cancel the scheduled action
|
||||
(best effort).
|
||||
"""
|
||||
return self._wxtimer_schedule(duetime, action, state=state)
|
||||
|
||||
def schedule_absolute(
|
||||
self,
|
||||
duetime: typing.AbsoluteTime,
|
||||
action: typing.ScheduledAction[_TState],
|
||||
state: Optional[_TState] = None,
|
||||
) -> abc.DisposableBase:
|
||||
"""Schedules an action to be executed at duetime.
|
||||
|
||||
Args:
|
||||
duetime: Absolute time at which to execute the action.
|
||||
action: Action to be executed.
|
||||
state: [Optional] state to be given to the action function.
|
||||
|
||||
Returns:
|
||||
The disposable object used to cancel the scheduled action
|
||||
(best effort).
|
||||
"""
|
||||
|
||||
duetime = self.to_datetime(duetime)
|
||||
return self._wxtimer_schedule(duetime - self.now, action, state=state)
|
||||
|
||||
def schedule_periodic(
|
||||
self,
|
||||
period: typing.RelativeTime,
|
||||
action: typing.ScheduledPeriodicAction[_TState],
|
||||
state: Optional[_TState] = None,
|
||||
) -> abc.DisposableBase:
|
||||
"""Schedules a periodic piece of work to be executed in the loop.
|
||||
|
||||
Args:
|
||||
period: Period in seconds for running the work repeatedly.
|
||||
action: Action to be executed.
|
||||
state: [Optional] state to be given to the action function.
|
||||
|
||||
Returns:
|
||||
The disposable object used to cancel the scheduled action
|
||||
(best effort).
|
||||
"""
|
||||
|
||||
return self._wxtimer_schedule(period, action, state=state, periodic=True)
|
||||
Reference in New Issue
Block a user