[patch] clear the screen with curses if possible and fall back to system('clear')

clear_screen.patch (text/plain), 888 bytes, created by Zac Medico on 2007-10-01 03:17:06 UTC

Index: bin/dispatch-conf
===================================================================
--- bin/dispatch-conf	(revision 7876)
+++ bin/dispatch-conf	(working copy)
@@ -213,6 +213,7 @@
             show_new_diff = 0
 
             while 1:
+                clear_screen()
                 if show_new_diff:
                     os.system((self.options['diff']) % (conf['new'], mrgconf))
                     show_new_diff = 0
@@ -366,6 +367,19 @@
         termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
     return ch
 
+def clear_screen():
+    try:
+        import curses
+        try:
+            curses.setupterm()
+            sys.stdout.write(curses.tigetstr("clear"))
+            sys.stdout.flush()
+            return
+        except curses.error:
+            pass
+    except ImportError:
+        pass
+    os.system("clear 2>/dev/null")
 
 # run
 d = dispatch ()