venv added, updated

myenv/lib/python3.12/site-packages/reactivex/scheduler/timeoutscheduler.py

@@ -0,0 +1,122 @@
+from threading import Lock, Timer
+from typing import MutableMapping, Optional, TypeVar
+from weakref import WeakKeyDictionary
+
+from reactivex import abc, typing
+from reactivex.disposable import (
+    CompositeDisposable,
+    Disposable,
+    SingleAssignmentDisposable,
+)
+
+from .periodicscheduler import PeriodicScheduler
+
+_TState = TypeVar("_TState")
+
+
+class TimeoutScheduler(PeriodicScheduler):
+    """A scheduler that schedules work via a timed callback."""
+
+    _lock = Lock()
+    _global: MutableMapping[type, "TimeoutScheduler"] = WeakKeyDictionary()
+
+    @classmethod
+    def singleton(cls) -> "TimeoutScheduler":
+        with TimeoutScheduler._lock:
+            try:
+                self = TimeoutScheduler._global[cls]
+            except KeyError:
+                self = super().__new__(cls)
+                TimeoutScheduler._global[cls] = self
+        return self
+
+    def __new__(cls) -> "TimeoutScheduler":
+        return cls.singleton()
+
+    def schedule(
+        self, action: abc.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()
+
+        def interval() -> None:
+            sad.disposable = self.invoke_action(action, state)
+
+        timer = Timer(0, interval)
+        timer.daemon = True
+        timer.start()
+
+        def dispose() -> None:
+            timer.cancel()
+
+        return CompositeDisposable(sad, Disposable(dispose))
+
+    def schedule_relative(
+        self,
+        duetime: typing.RelativeTime,
+        action: abc.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).
+        """
+
+        seconds = self.to_seconds(duetime)
+        if seconds <= 0.0:
+            return self.schedule(action, state)
+
+        sad = SingleAssignmentDisposable()
+
+        def interval() -> None:
+            sad.disposable = self.invoke_action(action, state)
+
+        timer = Timer(seconds, interval)
+        timer.daemon = True
+        timer.start()
+
+        def dispose() -> None:
+            timer.cancel()
+
+        return CompositeDisposable(sad, Disposable(dispose))
+
+    def schedule_absolute(
+        self,
+        duetime: typing.AbsoluteTime,
+        action: abc.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.schedule_relative(duetime - self.now, action, state)
+
+
+__all__ = ["TimeoutScheduler"]