ieure

(defun pdl-agenda ()
  "Switch to my agenda, regenerating it in the process."
  (interactive)
  (save-selected-window
    (pop-to-buffer
     (prog1 org-agenda-buffer-name
       (if (get-buffer org-agenda-buffer-name)
           (org-agenda-redo)
         (org-agenda nil "a")
         (org-agenda-day-view))))))

ieure

def maybe_raise(an_exception):
    if some_condition:
        raise an_exception


try:
    raise Exception("test 123")
except Exception, ex:
    maybe_raise(ex)