start with a process interface

extern.py

+from npc import Npc
+
+import random
+
+class Extern (Npc):
+	class DLevel(Npc.DialogLevel):
+		def __init__ (self,extern,wdir,binary):
+			super().__init__(extern)
+			
+		def analyzeAnswer(self, teller, verb, message):
+			return ("say", "hello", None)
+	
+	def __init__(self,game,name,char,wdir,binary):
+		super().__init__(game, Extern.DLevel(self, wdir, binary))
+		self.name = name
+		self.char = char
+	
+	def __str__ (self):
+		return self.name
+	
+	def __repr__ (self):
+		return self.char
+	
+	def blocksMove(self):
+		return False

game.py

@@ -7,6 +7,7 @@ import sys
 from util import log_file
 from treasure import Treasure
 from euclid import Euclid
+from extern import Extern
 
 class Game:
 	def __init__(self, labyrinthFileName, adminPW, logFileName=None, port=1234):
@@ -14,17 +15,23 @@ class Game:
 		self.admins = []
 		with open(labyrinthFileName,'r') as f:
 			self.labyrinth = labyrinth.Labyrinth(game=self,stream=f)
+		# set up labyrinth and its content
 		treasure = Treasure(self)
 		ttile = random.choice(self.labyrinth.getFreeTiles())
 		self.labyrinth.createThing(treasure,ttile)
 		euclid = Euclid(self)
 		etile = random.choice(self.labyrinth.getFreeTiles())
-		self.labyrinth.createThing(euclid,etile)
+		#self.labyrinth.createThing(euclid,etile)
+		eliza = Extern(self, "Eliza", "Z", "eliza", "simple")
+		ztile = random.choice(self.labyrinth.getFreeTiles())
+		self.labyrinth.createThing(eliza,ztile)
+		# set up socket
 		self.sock = socket.socket()
 		self.sock.bind(('0.0.0.0', port))
 		self.sock.listen(100)
 		self.sel = selectors.DefaultSelector()
 		self.sel.register(self.sock, selectors.EVENT_READ, self.accept)
+		# log file and admin stuff
 		self.logFile = None if logFileName is None else open(logFileName, 'a')
 		self.adminPW = adminPW