venv added, updated

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

@@ -0,0 +1,72 @@
+from abc import abstractmethod
+from typing import Optional, TypeVar, Union
+
+from .disposable import DisposableBase
+from .observable import ObservableBase
+from .observer import ObserverBase, OnCompleted, OnError, OnNext
+from .scheduler import SchedulerBase
+
+_T = TypeVar("_T")
+
+
+class SubjectBase(ObserverBase[_T], ObservableBase[_T]):
+    """Subject abstract base class.
+
+    Represents an object that is both an observable sequence as well
+    as an observer.
+    """
+
+    __slots__ = ()
+
+    @abstractmethod
+    def subscribe(
+        self,
+        on_next: Optional[Union[OnNext[_T], ObserverBase[_T]]] = 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
+
+    @abstractmethod
+    def on_next(self, value: _T) -> None:
+        """Notifies the observer of a new element in the sequence.
+
+        Args:
+            value: The received element.
+        """
+
+        raise NotImplementedError
+
+    @abstractmethod
+    def on_error(self, error: Exception) -> None:
+        """Notifies the observer that an exception has occurred.
+
+        Args:
+            error: The error that has occurred.
+        """
+
+        raise NotImplementedError
+
+    @abstractmethod
+    def on_completed(self) -> None:
+        """Notifies the observer of the end of the sequence."""
+
+        raise NotImplementedError
+
+
+__all__ = ["SubjectBase"]