Python-сообщество

import random
import time

class ExitException(Exception):
    pass
    
class Gamer:
    def __init__(self, name="noname"):
        self.name = name
        self.try_count = 0
        self.game_points = 0
        self.try_points = 0
    
    def throw_bone(self):
        #random value here
        curr_val = random.randrange(1, 7)
        self.try_count += 1
        print "Bone stops at %s." % curr_val
        if curr_val == 1:
            self.try_points = 0
            self.stop()
            return False
        self.try_points += curr_val
        return True
    
    def stop(self):
        self.game_points += self.try_points
        self.try_count = 0
        self.try_points = 0
        print self.name, "have %s points." % self.game_points
    
    def whant_throw_again(self):
        ask = 0
        while not (ask in ("Y", "N", "E")):
            ask = raw_input("Are you want to throw the bone again? (Y/N ir E to end the game): ").upper()
            if ask == "E":
                raise ExitException()
        return True if ask == "Y" else False
        
        
class Computer(Gamer):
    def __init__(self, name, difficulty=1):
        Gamer.__init__(self, name)
        self.veriety = 0
        # veriety of next throw = 100 - (a * try_count + try_points * b)
        difficulty_level = {0: {"max": 10, "a": 5, "b": 1},
                            1: {"max": 20, "a": 10, "b": 2},
                            2: {"max": 25, "a": 5, "b": 3}}
        self.dif = difficulty_level[difficulty]
    
    def whant_throw_again(self):
        veriety = 100 - self.dif["a"] * self.try_count - self.dif["b"] * self.try_points
        if self.try_points > self.dif["max"]:
            veriety = min(25, veriety)
        self.veriety = veriety
        # Pretending that we think.
        time.sleep(0.5)
        
        return random.randrange(1, 101) <= veriety

    def __cmp__(self, user):
        return 1 if self.game_points > user.game_points else -1
        
class Game:
    def __init__(self, players, max_points=100):
        self.max = 100
        self.players = players
        self.p_count = len(players)
        self.curr_gamer = random.randrange(self.p_count)
        
    def next_user(self):
        self.curr_gamer += 1
        if self.curr_gamer == self.p_count:
            self.curr_gamer = 0
        return self.players[self.curr_gamer]

    def start(self):
        user = self.next_user()
        try:
            while user.game_points < 100:
                user = self.next_user()
                print ""
                print user.name, "turn:"
                while True:
                    if not user.throw_bone():
                        break
                    if not user.whant_throw_again():
                        user.stop()
                        break
            self.stop()
        except ExitException:
            self.stop()
    
    def stop(self):
        print "\n"
        for user in self.players:
            print "%s have %s points." % (user.name, user.game_points)
        print "And the winer is %s!" % max(self.players).name

def comp_test():
    print "---> Coputer throws bone..."
    u = Computer("Josh", 1)
    for i in range(10):
            u.throw_bone()
            print "[",u.veriety, u.whant_throw_again(), u.try_points, "]"
        
    print "... and hits his friend :)"

def user_test():
    print "---> Your turn..."
    u = Gamer("Griffon")
    for i in range(3):
            u.throw_bone()
            try:
                u.whant_throw_again()
            except ExitException:
                print "Exit"
    print "... its all right?"
    
def test():
    comp_test()
    user_test()
    
#test()

u1 = Gamer(raw_input("Enter your name:\n"))
x = None
while not (x in ("1", "2", "3")):
    print "Chose your opponent:\n1 - Josh\n2 - Ben\n3 - Stupid"
    x = raw_input()

comps = {0: "Josh", 1: "Ben", 2: "Stupid"}
u2 = Computer(comps[int(x)-1], int(x)-1)

game = Game((u1, u2))
game.start()