Add operator to get runtime object

Author: glopesdev

src/Bonsai.Scripting.Python/GetRuntime.cs

@@ -0,0 +1,30 @@
+using System;
+using System.ComponentModel;
+
+namespace Bonsai.Scripting.Python
+{
+    /// <summary>
+    /// Represents an operator that gets the Python runtime object which can be used
+    /// to import modules, evaluate expressions, and pass data to and from Python.
+    /// </summary>
+    /// <remarks>
+    /// The runtime object notification is emitted while holding the global interpreter lock.
+    /// </remarks>
+    [Description("Gets the Python runtime object which can be used to import modules, evaluate expressions, and pass data to and from Python.")]
+    public class GetRuntime : Source<RuntimeManager>
+    {
+        /// <summary>
+        /// Wraps an observable sequence to ensure all notifications are emitted
+        /// while holding the Python global interpreter lock.
+        /// </summary>
+        /// <returns>
+        /// An observable sequence that returns the active <see cref="RuntimeManager"/>
+        /// object on subscription. The value is emitted while holding the global
+        /// interpreter lock.
+        /// </returns>
+        public override IObservable<RuntimeManager> Generate()
+        {
+            return RuntimeManager.RuntimeSource.ObserveOnGIL();
+        }
+    }
+}