venv added, updated

myenv/lib/python3.12/site-packages/reactivex/abc/observable.py

@@ -0,0 +1,45 @@
+from abc import ABC, abstractmethod
+from typing import Callable, Generic, Optional, TypeVar, Union
+
+from .disposable import DisposableBase
+from .observer import ObserverBase, OnCompleted, OnError, OnNext
+from .scheduler import SchedulerBase
+
+_T_out = TypeVar("_T_out", covariant=True)
+
+
+class ObservableBase(Generic[_T_out], ABC):
+    """Observable abstract base class.
+
+    Represents a push-style collection."""
+
+    __slots__ = ()
+
+    @abstractmethod
+    def subscribe(
+        self,
+        on_next: Optional[Union[OnNext[_T_out], ObserverBase[_T_out]]] = None,
+        on_error: Optional[OnError] = None,
+        on_completed: Optional[OnCompleted] = None,
+        *,
+        scheduler: Optional[SchedulerBase] = None,
+    ) -> DisposableBase:
+        """Subscribe an observer to the observable sequence.
+
+        Args:
+            observer: [Optional] The object that is to receive
+                notifications.
+            scheduler: [Optional] The default scheduler to use for this
+                subscription.
+
+        Returns:
+            Disposable object representing an observer's subscription
+            to the observable sequence.
+        """
+
+        raise NotImplementedError
+
+
+Subscription = Callable[[ObserverBase[_T_out], Optional[SchedulerBase]], DisposableBase]
+
+__all__ = ["ObservableBase", "Subscription"]