[gnue] r7025 - trunk/gnue-common/src/apps

[btami]

Author: btami
Date: 2005-02-15 03:04:45 -0600 (Tue, 15 Feb 2005)
New Revision: 7025

Modified:
   trunk/gnue-common/src/apps/GBaseApp.py
Log:
added --silent option to GBaseApp

Modified: trunk/gnue-common/src/apps/GBaseApp.py
===================================================================
--- trunk/gnue-common/src/apps/GBaseApp.py      2005-02-15 08:45:55 UTC (rev 
7024)
+++ trunk/gnue-common/src/apps/GBaseApp.py      2005-02-15 09:04:45 UTC (rev 
7025)
@@ -105,6 +105,9 @@
         help = _('Sends all debugging messages to a specified file '
                  '(e.g., "--debug-file trace.log" sends all output to '
                  '"trace.log")')),
+
+      CommandOption ('silent', category = "base",
+        help = _('Displays no output at all.')),
 
       CommandOption ('help', category = "base", action = self.printHelp,
         help = _('Displays this help screen.')),
@@ -254,6 +257,26 @@
       task()
 
     self._run = self.run
+
+    # Are we silent?
+    if self.OPTIONS['silent']:
+      # our file objects (/dev/null and nul) has no encoding, unlike stdout...
+      import __builtin__
+      __builtin__.__dict__['u_'] = __builtin__.__dict__['_']
+      if os.name == 'posix':
+        sout = open('/dev/null','w')
+        serr = open('/dev/null','w')
+      elif os.name == 'nt':
+        sout = open('nul', 'w')
+        serr = open('nul', 'w')
+
+      try:
+        sys.stdout.close()
+        sys.stdout = sout
+        sys.stderr.close()
+        sys.stderr = serr
+      except:
+        pass
 
     # Should we profile?
     if self.OPTIONS['profile']:
@@ -597,4 +620,3 @@
                            o(u_("For help, type: %s --help") % self.COMMAND))
     else:
       sys.stderr.write ("%s\n" % o(detail))
-