Show main exception only with --verbose

websockify/websocketproxy.py

@@ -402,6 +402,7 @@ def websockify_init():
         try:    opts.target_port = int(opts.target_port)
         except: parser.error("Error parsing target port")
 
+    try:
         # Transform to absolute path as daemon may chdir
         if opts.target_cfg:
             opts.target_cfg = os.path.abspath(opts.target_cfg)
@@ -417,6 +418,11 @@ def websockify_init():
             # Use internal service framework
             server = WebSocketProxy(**opts.__dict__)
             server.start_server()
+    except:
+        if opts.verbose:
+            raise
+        else:
+            print >> sys.stderr, 'Unexpected error:', sys.exc_info()[1]
 
 
 class LibProxyServer(ForkingMixIn, HTTPServer):