Fix: setup console for non-REPL mode

Author: fangerer

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

@@ -505,7 +505,7 @@ protected void launch(Builder contextBuilder) {
 
             if (commandString != null || inputFile != null) {
                 try {
-                    evalNonInteractive(context);
+                    evalNonInteractive(context, consoleHandler);
                     rc = 0;
                 } catch (PolyglotException e) {
                     if (!e.isExit()) {
@@ -590,7 +590,11 @@ private static void printPythonLikeStackTrace(PolyglotException e) {
         System.err.println(e.getMessage());
     }
 
-    private void evalNonInteractive(Context context) throws IOException {
+    private void evalNonInteractive(Context context, ConsoleHandler consoleHandler) throws IOException {
+        // We need to setup the terminal even when not running the REPL because code may request
+        // input from the terminal.
+        setupTerminal(consoleHandler);
+
         Source src;
         if (commandString != null) {
             src = Source.newBuilder(getLanguageId(), commandString, "<string>").build();
@@ -855,6 +859,14 @@ private void setupREPL(Context context, ConsoleHandler consoleHandler) {
 
     }
 
+    private void setupTerminal(ConsoleHandler consoleHandler) {
+        consoleHandler.setupReader(() -> false, () -> 0, (item) -> {
+        }, (pos) -> null, (pos, item) -> {
+        }, (pos) -> {
+        }, () -> {
+        }, null);
+    }
+
     /**
      * Some system properties have already been read at this point, so to change them, we just
      * re-execute the process with the additional options.