added single-buffer ctrl+enter Python halt

direct/src/directscripts/python-mode.el

@@ -585,6 +585,7 @@ support for features needed by `python-mode'.")
   ;; VR STUDIO ENHANCEMENTS
   (define-key py-shell-map "\C-d"  'comint-delchar-or-maybe-python-resume)
   (define-key py-shell-map [return] 'comint-interrupt-subjob-or-maybe-return)
+  (define-key py-shell-map [C-return] 'comint-interrupt-subjob-or-maybe-return-curbuf)
   (define-key py-shell-map "\C-c\C-r" 'python-resume)
   (define-key py-shell-map "\C-c\C-s" 'pyd-shell)
   (define-key py-shell-map "\C-c\C-f" 'py-kill-shells)
@@ -3421,6 +3422,33 @@ These are Python temporary files awaiting execution."
     )
   )
 
+(defun comint-interrupt-subjob-or-maybe-return-curbuf (arg)
+  "Enter a return (comint-send-input) or send a comint-interrupt-subjob
+   if point is at the end of the buffer and there is no input"
+  (interactive "p")
+  (let ((proc (get-buffer-process (current-buffer))))
+    (if (and (eobp) proc (= (point) (marker-position (process-mark proc))))
+	(let ((current (point)))
+	  (goto-char (- current 4))
+	  (if (or (search-forward ">>> " current t)
+		  (search-forward "... " current t))
+	      (comint-send-input)
+	    (save-current-buffer
+	      (goto-char current)
+              (let ((procbuf (process-buffer proc)))
+                (set-buffer procbuf)
+                (goto-char (point-max))
+                (if (and (eobp) proc (= (point) (marker-position (process-mark proc))))
+                    (comint-interrupt-subjob))
+                )
+              )
+	    )
+	  )
+      (comint-send-input)
+      )
+    )
+  )
+
 (defun py-point-to-max (proc)
   ;; updates the cursor position of a buffer for all windows
   ;; into that buffer