X-Git-Url: https://mudpy.org/gitweb?a=blobdiff_plain;f=lib%2Fmudpy%2Ftelnet.py;h=9feac03c2d3d5fb62163788b7c20bd933b4e0048;hb=49f76e99340119c5bd403a05913531aed07e5e9b;hp=3ce73a308b85ef390ae1d3c9f57c539ef38b8483;hpb=a9b9405dd3f37bea336b297d9cef848868591557;p=mudpy.git

diff --git a/lib/mudpy/telnet.py b/lib/mudpy/telnet.py
index 3ce73a3..9feac03 100644
--- a/lib/mudpy/telnet.py
+++ b/lib/mudpy/telnet.py
@@ -1,10 +1,11 @@
-# -*- coding: utf-8 -*-
 """Telnet functions and constants for the mudpy engine."""
 
-# Copyright (c) 2004-2012 Jeremy Stanley <fungi@yuggoth.org>. Permission
+# Copyright (c) 2004-2015 Jeremy Stanley <fungi@yuggoth.org>. Permission
 # to use, copy, modify, and distribute this software is granted under
 # terms provided in the LICENSE file distributed with this software.
 
+import mudpy
+
 # telnet options (from bsd's arpa/telnet.h since telnetlib's are ambiguous)
 TELOPT_BINARY = 0  # transmit 8-bit data by the receiver (rfc 856)
 TELOPT_ECHO = 1  # echo received data back to the sender (rfc 857)
@@ -49,8 +50,7 @@ US = 1
 
 def telnet_proto(*arguments):
     """Return a concatenated series of Telnet protocol commands."""
-    # (this will need to be byte type during 2to3 migration)
-    return "".join([chr(x) for x in arguments])
+    return bytes((arguments))
 
 
 def send_command(user, *command):
@@ -59,8 +59,7 @@ def send_command(user, *command):
 
 
 def is_enabled(user, telopt, party, state=YES):
-    """Returns True if the indicated Telnet option is enabled, False if
-        not."""
+    """Indicates whether a specified Telnet option is enabled."""
     if (telopt, party) in user.telopts and user.telopts[
        (telopt, party)
        ] is state:
@@ -87,8 +86,7 @@ def enable(user, telopt, party):
 
 
 def disable(user, telopt, party):
-    """Negotiates disabling a Telnet option for the indicated user's
-        socket."""
+    """Negotiates disabling a Telnet option for the user's socket."""
     if party is HIM:
         txneg = DONT
     else:
@@ -106,7 +104,6 @@ def disable(user, telopt, party):
 
 def negotiate_telnet_options(user):
     """Reply to and remove telnet negotiation options from partial_input."""
-    import mudpy.misc
 
     # make a local copy to play with
     text = user.partial_input
@@ -126,8 +123,7 @@ def negotiate_telnet_options(user):
             break
 
         # the byte following the IAC is our command
-        # (this will need to be byte type during 2to3 migration)
-        command = ord(text[position + 1])
+        command = text[position+1]
 
         # replace a double (literal) IAC if there's an LF later
         if command is IAC:
@@ -139,8 +135,7 @@ def negotiate_telnet_options(user):
 
         # implement an RFC 1143 option negotiation queue here
         elif len_text > position + 2 and WILL <= command <= DONT:
-            # this will need to be byte type during 2to3 migration
-            telopt = ord(text[position + 2])
+            telopt = text[position+2]
             if telopt in supported:
                 if command <= WONT:
                     party = HIM
@@ -184,12 +179,10 @@ def negotiate_telnet_options(user):
 
         # subnegotiation options
         elif len_text > position + 4 and command is SB:
-            # this will need to be byte type during 2to3 migration
             telopt = ord(text[position + 2])
             if telopt is TELOPT_NAWS:
-                # this will need to be byte type during 2to3 migration
-                user.columns = ord(text[position + 3]) * \
-                    256 + ord(text[position + 4])
+                user.columns = (
+                    ord(text[position + 3]) * 256 + ord(text[position + 4]))
             end_subnegotiation = text.find(telnet_proto(IAC, SE), position)
             if end_subnegotiation > 0:
                 text = text[:position] + text[end_subnegotiation + 2:]