venv added, updated

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

@@ -0,0 +1,113 @@
+import logging
+from datetime import datetime
+from typing import Any, Optional, TypeVar
+
+from reactivex import abc, typing
+from reactivex.disposable import (
+    CompositeDisposable,
+    Disposable,
+    SingleAssignmentDisposable,
+)
+
+from ..periodicscheduler import PeriodicScheduler
+
+_TState = TypeVar("_TState")
+log = logging.getLogger("Rx")
+
+
+class TwistedScheduler(PeriodicScheduler):
+    """A scheduler that schedules work via the Twisted reactor mainloop."""
+
+    def __init__(self, reactor: Any) -> None:
+        """Create a new TwistedScheduler.
+
+        Args:
+            reactor: The reactor to use; typically, you would get this
+                by from twisted.internet import reactor
+        """
+
+        super().__init__()
+        self._reactor = reactor
+
+    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).
+        """
+
+        return self.schedule_relative(0.0, action, state=state)
+
+    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).
+        """
+
+        seconds = max(0.0, self.to_seconds(duetime))
+
+        sad = SingleAssignmentDisposable()
+
+        def interval() -> None:
+            sad.disposable = action(self, state)
+
+        log.debug("timeout: %s", seconds)
+        timer = self._reactor.callLater(seconds, interval)
+
+        def dispose() -> None:
+            if not timer.called:
+                timer.cancel()
+
+        return CompositeDisposable(sad, Disposable(dispose))
+
+    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.schedule_relative(duetime - self.now, action, state=state)
+
+    @property
+    def now(self) -> datetime:
+        """Represents a notion of time for this scheduler. Tasks being
+        scheduled on a scheduler will adhere to the time denoted by this
+        property.
+
+        Returns:
+             The scheduler's current time, as a datetime instance.
+        """
+
+        return self.to_datetime(float(self._reactor.seconds()))