Export the shell package unconditionally

Author: msimacek

graalpython/com.oracle.graal.python.shell/src/META-INF/native-image/org.graalvm.python.shell/python-launcher/native-image.properties

@@ -33,7 +33,6 @@
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
-import java.lang.invoke.MethodHandles;
 import java.lang.management.ManagementFactory;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
@@ -56,7 +55,6 @@
 import org.graalvm.polyglot.Context;
 import org.graalvm.polyglot.Context.Builder;
 import org.graalvm.polyglot.Engine;
-import org.graalvm.polyglot.HostAccess;
 import org.graalvm.polyglot.PolyglotException;
 import org.graalvm.polyglot.Source;
 import org.graalvm.polyglot.Value;
@@ -826,11 +824,6 @@ protected void launch(Builder contextBuilder) {
             contextBuilder.engine(Engine.newBuilder().allowExperimentalOptions(true).options(enginePolyglotOptions).build());
         }
 
-        if (GraalPythonMain.class.getModule().isNamed()) {
-            // Needed so that we can access JLine callback via interop
-            contextBuilder.extendHostAccess(HostAccess.ALL, builder -> builder.useModuleLookup(MethodHandles.lookup()));
-        }
-
         int rc = 1;
         try (Context context = contextBuilder.build()) {
             runVersionAction(versionAction, context.getEngine());

graalpython/com.oracle.graal.python.shell/src/com/oracle/graal/python/shell/GraalPythonMain.java

@@ -918,6 +918,8 @@
                 "name": "org.graalvm.py.launcher",
                 "exports": [
                     "com.oracle.graal.python.shell to org.graalvm.launcher",
+                    # Exported to be accessible from readline callbacks
+                    "com.oracle.graal.python.shell",
                 ],
             },
             "useModulePath": True,