venv added, updated

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

@@ -0,0 +1,96 @@
+from threading import Lock
+from typing import MutableMapping, Optional, TypeVar
+from weakref import WeakKeyDictionary
+
+from reactivex import abc, typing
+from reactivex.internal.constants import DELTA_ZERO
+from reactivex.internal.exceptions import WouldBlockException
+
+from .scheduler import Scheduler
+
+_TState = TypeVar("_TState")
+
+
+class ImmediateScheduler(Scheduler):
+    """Represents an object that schedules units of work to run immediately,
+    on the current thread. You're not allowed to schedule timeouts using the
+    ImmediateScheduler since that will block the current thread while waiting.
+    Attempts to do so will raise a :class:`WouldBlockException`.
+    """
+
+    _lock = Lock()
+    _global: MutableMapping[type, "ImmediateScheduler"] = WeakKeyDictionary()
+
+    @classmethod
+    def singleton(cls) -> "ImmediateScheduler":
+        with ImmediateScheduler._lock:
+            try:
+                self = ImmediateScheduler._global[cls]
+            except KeyError:
+                self = super().__new__(cls)
+                ImmediateScheduler._global[cls] = self
+        return self
+
+    def __new__(cls) -> "ImmediateScheduler":
+        return cls.singleton()
+
+    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.invoke_action(action, 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).
+        """
+
+        duetime = self.to_timedelta(duetime)
+        if duetime > DELTA_ZERO:
+            raise WouldBlockException()
+
+        return self.invoke_action(action, 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.schedule_relative(duetime - self.now, action, state)