Abort script on keypress from user.

If there's no ports, say so.
If there's no unburnt ports, say so.

flexible.py

@@ -420,7 +420,8 @@ class ScriptPort(object):
             self.defer = None
 
     def player(self, chunk: bytes):
-        pass
+        # If we receive anything -- ABORT!
+        self.deactivate()
 
     def game_prompt(self, prompt: str):
         log.msg("{0} : {1}".format(self.state, prompt))
@@ -618,13 +619,20 @@ class ScriptPort(object):
                             self.deactivate()
                             return
 
-                    # possible = [ x for x in self.warps if x in self.game.portdata ]
-                    possible = [ x for x in self.warps if x in self.game.portdata and not port_burnt(self.game.portdata[x]) ]
+                    possible = [ x for x in self.warps if x in self.game.portdata ]
+                    log.msg("Ppossible:", possible)
+                    if len(possible) == 0:
+                        self.state = 0
+                        self.queue_game.put(self.r + self.nl + "I don't see any ports in [{0}].".format(self.warps) + self.nl)
+                        self.deactivate()
+                        return
+
+                    possible = [ x for x in possible if not port_burnt(self.game.portdata[x]) ]
                     log.msg("Possible:", possible)
                     self.possible = possible
                     if len(possible) == 0:
                         self.state = 0
-                        self.queue_game.put(self.r + self.nl + "I don't see any (not burnt) ports in [{0}].".format(self.warps) + self.nl)
+                        self.queue_game.put(self.r + self.nl + "I don't see any unburnt ports in [{0}].".format(self.warps) + self.nl)
                         self.deactivate()
                         return
                     elif len(possible) == 1:
@@ -701,6 +709,10 @@ class ScriptPort(object):
                 log.msg("start: {0} % {1} price {2}".format(start_price, self.sell_perc, price))                
                 self.sell_perc += 1
                 self.queue_player.put("{0}\r".format(price))
+            if "We're not interested." in line:
+                log.msg("Try, try again.  :(")
+                self.state = 5
+                self.trade()                
 
         elif self.state == 10:
             if "Sector  : " in line: