From ec528b916b57282e8df5c9a64e171e1640b9fc44 Mon Sep 17 00:00:00 2001
From: Fabian Dill <fabian.dill@web.de>
Date: Wed, 15 Apr 2020 09:56:28 +0200
Subject: [PATCH] mark optional fields in brackets

---
 MultiServer.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/MultiServer.py b/MultiServer.py
index dd23050e..8dac87e4 100644
--- a/MultiServer.py
+++ b/MultiServer.py
@@ -376,9 +376,13 @@ class CommandProcessor(metaclass=CommandMeta):
             for argname, parameter in spec.items():
                 if argname == "self":
                     continue
-                argtext += argname
+
                 if isinstance(parameter.default, str):
-                    argtext += "=" + parameter.default
+                    if not parameter.default:
+                        argname = f"[{argname}]"
+                    else:
+                        argname += "=" + parameter.default
+                argtext += argname
                 argtext += " "
             s += f"{self.marker}{command} {argtext}\n    {method.__doc__}\n"
         return s