(py-execute-region): Watch out for shell-command-on-region killing a
zero sized output buffer.
diff --git a/Misc/python-mode.el b/Misc/python-mode.el
index 2f5f767..6d10dcf 100644
--- a/Misc/python-mode.el
+++ b/Misc/python-mode.el
@@ -1133,6 +1133,7 @@
(set-buffer curbuf))))
(defun py-postprocess-output-buffer (buf)
+ ;; Highlight exceptions found in BUF
(let (line file bol)
(save-excursion
(set-buffer buf)
@@ -1257,10 +1258,15 @@
(t
;; otherwise either run it synchronously in a subprocess
(shell-command-on-region start end py-python-command py-output-buffer)
- (setq py-exception-buffer (current-buffer))
- (py-postprocess-output-buffer py-output-buffer)
- (pop-to-buffer py-output-buffer)
- ))))
+ ;; shell-command-on-region kills the output buffer if it never
+ ;; existed and there's no output from the command
+ (if (not (get-buffer py-output-buffer))
+ (message "No output.")
+ (setq py-exception-buffer (current-buffer))
+ (py-postprocess-output-buffer py-output-buffer)
+ (pop-to-buffer py-output-buffer)
+ ))
+ )))
;; Code execution command
(defun py-execute-buffer (&optional async)