venv added, updated

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

@@ -0,0 +1,60 @@
+from datetime import datetime
+from typing import Optional, TypeVar
+
+from reactivex import abc, typing
+from reactivex.disposable import Disposable, MultipleAssignmentDisposable
+
+from .scheduler import Scheduler
+
+_TState = TypeVar("_TState")
+
+
+class PeriodicScheduler(Scheduler, abc.PeriodicSchedulerBase):
+    """Base class for the various periodic scheduler implementations in this
+    package as well as the mainloop sub-package.
+    """
+
+    def schedule_periodic(
+        self,
+        period: typing.RelativeTime,
+        action: typing.ScheduledPeriodicAction[_TState],
+        state: Optional[_TState] = None,
+    ) -> abc.DisposableBase:
+        """Schedules a periodic piece of work.
+
+        Args:
+            period: Period in seconds or timedelta for running the
+                work periodically.
+            action: Action to be executed.
+            state: [Optional] Initial state passed to the action upon
+                the first iteration.
+
+        Returns:
+            The disposable object used to cancel the scheduled
+            recurring action (best effort).
+        """
+
+        disp: MultipleAssignmentDisposable = MultipleAssignmentDisposable()
+        seconds: float = self.to_seconds(period)
+
+        def periodic(
+            scheduler: abc.SchedulerBase, state: Optional[_TState] = None
+        ) -> Optional[Disposable]:
+            if disp.is_disposed:
+                return None
+
+            now: datetime = scheduler.now
+
+            try:
+                state = action(state)
+            except Exception:
+                disp.dispose()
+                raise
+
+            time = seconds - (scheduler.now - now).total_seconds()
+            disp.disposable = scheduler.schedule_relative(time, periodic, state=state)
+
+            return None
+
+        disp.disposable = self.schedule_relative(period, periodic, state=state)
+        return disp