def train(self, *, iterations):
deck = Deck()
self.iteration = 1
self.cumulative_stack_utilities = [
0 for stack_size in range(TOTAL_STACKS +
1) # (stack_size) / TOTAL_STACKS
]
for self.iteration in range(1, iterations):
for p0_stack in range(1, TOTAL_STACKS):
p1_stack = TOTAL_STACKS - p0_stack
deck.reset()
deck.shuffle()
p0_hand = Hand([deck.pop(), deck.pop()])
p1_hand = Hand([deck.pop(), deck.pop()])
big_blind = min(BIG_BLIND, p0_stack, p1_stack)
self.cumulative_stack_utilities[p0_stack] += self.cfr(
deck,
(p0_hand, p1_hand),
EMPTY_HISTORY,
(p0_stack, p1_stack),
(SMALL_BLIND, big_blind),
(1, 1),
)
# print(f"Average game value: {utility/iterations}")
print(f"Iterations: {iterations}")
print("Stack size,Utility")
for stack_size, utility in enumerate(self.cumulative_stack_utilities):
print(f"{stack_size},{self.get_average_stack_utility(stack_size)}")
for node in map(lambda node: node[1], sorted(self.node_map.items())):
print(node)
def test_shuffles_card_in_random_order(self, mock_shuffle):
deck = Deck()
cards = [Card(rank="2", suit="Clubs"), Card(rank="Ace", suit="Spades")]
deck.add_cards(cards)
deck.shuffle()
mock_shuffle.assert_called_once_with(cards)
def test_deck_shuffles_the_cards(self, mock_shuffle):
deck = Deck()
cards = [
Card(rank="Ace", suite="clubs"),
Card(rank="8", suite="clubs")
]
deck.add_cards(cards)
deck.shuffle()
mock_shuffle.assert_called_once_with(cards)
def setupDeck(heroHand, villainHand, currentBoard=None): deck = Deck() # Remove dealt cards from Deck deck.cards.remove(heroHand.card1) deck.cards.remove(heroHand.card2) deck.cards.remove(villainHand.card1) deck.cards.remove(villainHand.card2) if currentBoard: for card in currentBoard.cards: deck.cards.remove(card) deck.shuffle() return deck
def compute_hand_win_probability(deck: Deck, private_hand_0: Hand,
private_hand_1: Hand):
"""
Returns a real between 0 and 1 representing the expected win rate
of Private Hand 0 against Private Hand 1, when randomly sampling
public cards.
"""
wins = 0
for _ in range(EXPECTED_VALUE_SIMULATIONS):
deck.shuffle()
public_cards = deck.peek(5)
full_hand_0 = Hand(private_hand_0.cards + public_cards)
full_hand_1 = Hand(private_hand_1.cards + public_cards)
if full_hand_0 > full_hand_1:
wins += 1
elif full_hand_0 == full_hand_1:
wins += 0.5
return wins / EXPECTED_VALUE_SIMULATIONS
class Game:
def __init__(self, small_b, big_b):
self.small_blind = small_b
self.big_blind = big_b
self.players = [None, None, None, None, None, None, None, None]
self.fil_players = []
self.flop = []
self.turn = None
self.river = None
self.deck = None
self.small_b_pos = None
self.big_b_pos = None
self.utg_pos = None
self.small_b_pos_f = None
self.big_b_pos_f = None
self.side_pot = 0
self.pot = 0
self.current_bet = 0 # highest bet on the table
self.round_num = 0
self.side_pot_active = False
self.folded_val = 0
self.round_over = False
def add_player(self, seat_pos, username, chips, id):
if seat_pos < 8:
if not self.players[seat_pos]:
self.players[seat_pos] = Player()
self.players[seat_pos].user = username
self.players[seat_pos].seat_num = seat_pos
self.players[seat_pos].coins = chips
self.players[seat_pos].id = id
def start_round(self):
self.flop = []
self.turn = None
self.river = None
self.deck = Deck()
self.deck.shuffle()
def deal_cards(self):
for i in range(8):
if self.players[i] is not None:
fst_card = self.deck.deck_card.pop(0)
self.players[i].addToHand(fst_card)
s_card = self.deck.deck_card.pop(0)
self.players[i].addToHand(s_card)
print(self.players[i].user, ":", fst_card, "and", s_card)
def deal_flop(self):
self.flop.append(self.deck.deck_card.pop(0))
self.flop.append(self.deck.deck_card.pop(0))
self.flop.append(self.deck.deck_card.pop(0))
print("The flop is:")
for i in self.flop:
print(i.number, i.suit)
for i in self.flop:
for j in self.fil_players:
j.addToHand(i)
def deal_turn(self):
self.turn = self.deck.deck_card.pop(0)
for j in self.fil_players:
j.addToHand(self.turn)
print("The turn is: ", self.turn)
def deal_river(self):
self.river = self.deck.deck_card.pop(0)
for j in self.fil_players:
j.addToHand(self.river)
print("The river is: ", self.river)
def set_blinds(self):
cnt = 0
if self.round_num == 0:
self.round_num += 1
for i in range(8):
if self.players[i] is not None:
self.players[i].small_blind = False
self.players[i].big_blind = False
for i in range(8):
if self.players[i] is not None and cnt == 0:
self.players[i].small_blind = True
self.small_b_pos = i
cnt += 1
elif self.players[i] is not None and cnt == 1:
self.players[i].big_blind = True
self.big_b_pos = i
cnt += 1
else:
big_b_set = False
for i in range(8):
if self.players[i] is not None and self.players[
i].small_blind and cnt == 0:
self.players[i].small_blind = False
elif self.players[i] is not None and self.players[
i].big_blind and cnt == 0:
self.players[i].small_blind = True
self.players[i].big_blind = False
self.small_b_pos = i
cnt += 1
elif self.players[i] is not None and cnt == 1:
self.players[i].big_blind = True
self.big_b_pos = i
big_b_set = True
cnt += 1
elif i == 7 and big_b_set == False:
for j in range(8):
if self.players[j] is not None and cnt == 1:
self.players[j].big_blind = True
self.big_b_pos = i
big_b_set = True
self.round_num = 0
cnt = 0
def one_pl_left(self):
cnt = 0
for i in self.fil_players:
if i.is_playing:
cnt += 1
if cnt == 1:
return True
def last_player_pos(self):
for i in range(len(self.fil_players)):
if self.fil_players[i].is_playing:
return i
def fst_pos_after_bb(self):
lst = []
for i in range(1, len(self.fil_players)):
if self.fil_players[(self.big_b_pos_f + i) %
len(self.fil_players)].is_playing:
lst.append((self.big_b_pos_f + i) % len(self.fil_players))
return lst[0]
def process_turn(self, pl_id, bet_size):
for i in self.fil_players:
if i.id == pl_id:
if bet_size == -1:
print("You have folded.")
i.fold()
self.folded_val += i.cumu_bet
if self.one_pl_left():
print(self.fil_players[self.last_player_pos()].user,
" has won the pot")
self.fil_players[
self.last_player_pos()].coins += self.pot
self.round_over = True
self.pot = 0
break
elif bet_size + i.bet == self.current_bet:
i.call_check_raise(bet_size)
i.coins -= bet_size
self.pot += bet_size
self.current_bet = i.bet
i.cumu_bet += i.bet
i.rebet = False
elif bet_size + i.bet > self.current_bet:
i.call_check_raise(bet_size)
i.coins -= bet_size
self.pot += bet_size
self.current_bet = i.bet
i.cumu_bet += i.bet
i.rebet = False
for j in self.fil_players:
if j.is_playing and not j.id == i.id:
j.rebet = True
elif bet_size == -2: # means player is still in but has no coins to bet
i.rebet = False
else:
print("Invalid bet. You have folded.")
i.fold()
if self.one_pl_left():
print(self.fil_players[self.last_player_pos()].user,
" has won the pot")
self.fil_players[
self.last_player_pos()].coins += self.pot
self.pot = 0
break
def bet_round_pf_new(self):
re_bet = True
while re_bet:
re_bet = False
for j in range(1, len(self.fil_players) + 1):
if self.fil_players[(self.big_b_pos_f + j) % len(
self.fil_players)].is_playing and self.fil_players[
(self.big_b_pos_f + j) %
len(self.fil_players)].coins != 0:
x = int(input("Enter a bet(-1 if folding): "))
y = self.fil_players[(self.big_b_pos_f + j) %
len(self.fil_players)].id
self.process_turn(y, x)
some_true = False
for i in self.fil_players:
if i.is_playing:
if i.rebet:
some_true = True
if not some_true:
break
for i in self.fil_players:
if i.is_playing:
if i.rebet:
re_bet = True
if not re_bet:
self.current_bet = 0
for i in self.players:
if i is not None:
i.bet = 0
i.rebet = True
for i in self.fil_players:
i.bet = 0
i.rebet = True
def bet_round_af_new(self):
re_bet = True
while re_bet:
re_bet = False
for j in range(len(self.fil_players)):
if self.fil_players[(self.small_b_pos_f + j) % len(
self.fil_players)].is_playing and self.fil_players[
(self.big_b_pos_f + j) %
len(self.fil_players)].coins != 0:
x = int(input("Enter a bet(-1 if folding): "))
y = self.fil_players[(self.small_b_pos_f + j) %
len(self.fil_players)].id
self.process_turn(y, x)
some_true = False
for i in self.fil_players:
if i.is_playing:
if i.rebet:
some_true = True
if not some_true:
break
for i in self.fil_players:
if i.is_playing:
if i.rebet:
re_bet = True
if not re_bet:
self.current_bet = 0
for i in self.players:
if i is not None:
i.bet = 0
i.rebet = True
for i in self.fil_players:
i.bet = 0
i.rebet = True
def check_dup(self, list_elems):
if len(list_elems) == len(set(list_elems)):
return False
else:
return True
def get_cumu(self, c):
return c.cumu_bet
def get_winner(self):
winner = []
win_cumu_bets = []
loser_bets = []
players_in = 0
for i in self.fil_players:
if i.is_playing:
players_in += 1
top_val = 0
for i in self.fil_players:
if i.bestHand() > top_val:
top_val = i.bestHand()
winner = [i]
win_cumu_bets = [i.cumu_bet]
elif i.bestHand() == top_val:
winner.append(i)
win_cumu_bets.append(i.cumu_bet)
for i in self.fil_players:
if i not in winner:
loser_bets.append(i)
winner.sort(key=self.get_cumu)
for i in winner:
i.coins += i.cumu_bet
print(i.user, "wins", "with a", i.top_hand[0])
prev_win = 0
prev_bet = 0
while winner:
for i in loser_bets:
if i.cumu_bet <= winner[0].cumu_bet:
r_value = round(i.cumu_bet / len(winner))
winner[0].coins += r_value
i.cumu_bet -= r_value
else:
prev_win = round((winner[0].cumu_bet - prev_bet) /
len(winner)) + prev_win
winner[0].coins += prev_win
i.cumu_bet -= prev_win
prev_bet = winner[0].cumu_bet
winner.pop(0)
for i in loser_bets:
i.coins += i.cumu_bet
self.pot = 0
def sb_bb_setup(self):
for i in range(8):
if self.players[i] is not None and self.players[i].small_blind:
self.players[i].call_check_raise(self.small_blind)
self.players[
i].coins = self.players[i].coins - self.small_blind
self.players[i].bet = self.small_blind
self.pot += self.small_blind
print(self.players[i].user, " puts in a small blind of ",
self.small_blind)
if self.players[i] is not None and self.players[i].big_blind:
self.players[i].call_check_raise(self.big_blind)
self.players[i].coins = self.players[i].coins - self.big_blind
self.pot += self.big_blind
self.current_bet = self.big_blind
self.players[i].bet = self.big_blind
print(self.players[i].user, " puts in a small blind of ",
self.big_blind)
def filter_players(self):
for i in self.players:
if i is not None:
self.fil_players.append(i)
def play(self):
self.start_round()
self.deal_cards()
self.set_blinds()
self.sb_bb_setup()
self.filter_players()
for i in range(len(self.fil_players)):
if self.fil_players[i].big_blind:
self.small_b_pos_f = (i - 1) % len(self.fil_players)
self.big_b_pos_f = i
self.bet_round_pf_new()
if not self.round_over:
self.deal_flop()
print("---------------------")
def test_shuffle(self):
deck1 = Deck()
deck2 = Deck()
deck2.shuffle()
assert deck1.cards != deck2.cards
assert len(deck2.cards) == 52
