Adding more lenient checks of TTYPE to avoid a visible traceback. The error with TTYPE utf-8 tracebacks seems to be in an older version of tintin++, newer versions don't show this behaviour. Older versions of tintin++ will display one Huh? (with logged traceback) after which everything will work. This is reported in issue 219.

src/commands/cmdparser.py

@@ -5,6 +5,8 @@ replacing cmdparser function. The replacement parser must
 return a CommandCandidates object.
 """
 
+from src.utils.logger import log_trace
+
 def cmdparser(raw_string, cmdset, caller, match_index=None):
     """
     This function is called by the cmdhandler once it has 
@@ -46,11 +48,15 @@ def cmdparser(raw_string, cmdset, caller, match_index=None):
     # match everything that begins with a matching cmdname.
     l_raw_string = raw_string.lower()
     for cmd in cmdset:        
-        matches.extend([create_match(cmdname, raw_string, cmd)
-                        for cmdname in [cmd.key] + cmd.aliases
-                        if cmdname and l_raw_string.startswith(cmdname.lower())
-                        and (not cmd.arg_regex or
-                             cmd.arg_regex.match(l_raw_string[len(cmdname):]))])
+        try:
+            matches.extend([create_match(cmdname, raw_string, cmd)
+                            for cmdname in [cmd.key] + cmd.aliases
+                            if cmdname and l_raw_string.startswith(cmdname.lower())
+                            and (not cmd.arg_regex or
+                                 cmd.arg_regex.match(l_raw_string[len(cmdname):]))])
+        except Exception:
+            log_trace()
+
     if not matches:
         # no matches found. 
         if '-' in raw_string:

src/server/telnet.py

@@ -133,23 +133,23 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, Session):
         """
         generic hook method for engine to call in order to send data 
         through the telnet connection. 
-        Data Evennia -> Player. 'data' argument is not used 
+        Data Evennia -> Player. 
+        data argument may contain a dict with output flags.
         """
         try:                                                                                                           
             string = utils.to_str(string, encoding=self.encoding)                                                      
         except Exception, e:                                                                                           
             self.sendLine(str(e))                                                                                      
             return 
-        xterm256 = self.protocol_flags.get('TTYPE', {}).get('256 COLORS')
-        nomarkup = not (xterm256 or not self.protocol_flags.get('TTYPE') 
-                        or self.protocol_flags.get('TTYPE', {}).get('ANSI'))
-        raw = False                                                                                                    
+        ttype = self.protocol_flags.get('TTYPE', {})
+        nomarkup = not (ttype.get('256 COLORS') or ttype.get('ANSI') or not ttype.get("init_done"))
+        raw = False
         if type(data) == dict:                                                                                         
             # check if we want escape codes to go through unparsed.
             raw = data.get("raw", False)
-            # check if we want to remove all markup
+            # check if we want to remove all markup (TTYPE override)
             nomarkup = data.get("nomarkup", False)
         if raw:                                                                                                        
             self.sendLine(string)                                                                                      
         else:
-            self.sendLine(ansi.parse_ansi(string, strip_ansi=nomarkup, xterm256=xterm256))
+            self.sendLine(ansi.parse_ansi(string, strip_ansi=nomarkup, xterm256=ttype.get('256 COLORS')))

src/server/ttype.py

@@ -41,7 +41,7 @@ class Ttype(object):
         """
         self.ttype_step = 0 
         self.protocol = protocol
-        self.protocol.protocol_flags['TTYPE'] = {}
+        self.protocol.protocol_flags['TTYPE'] = {"init_done":False}
 
         # setup protocol to handle ttype initialization and negotiation
         self.protocol.negotiationMap[TTYPE] = self.do_ttype                
@@ -52,7 +52,7 @@ class Ttype(object):
         """
         Callback if ttype is not supported by client. 
         """
-        pass
+        self.protocol.protocol_flags['TTYPE'] = False 
 
     def do_ttype(self, option):
         """
@@ -65,6 +65,9 @@ class Ttype(object):
         stored on protocol.protocol_flags under the TTYPE key.
         """
 
+        if self.protocol.protocol_flags['TTYPE']['init_done']:
+            return 
+
         self.ttype_step += 1
 
         if self.ttype_step == 1: 
@@ -89,5 +92,7 @@ class Ttype(object):
                     self.protocol.protocol_flags['TTYPE'][standard] = status
                     if status: 
                         option = option % codenum
+                self.protocol.protocol_flags['TTYPE']['init_done'] = True
+
             #print "ttype results:", self.protocol.protocol_flags['TTYPE']