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madbotv1_2_player.py
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madbotv1_2_player.py
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import argparse
import socket
import sys
import random
import math
# import matplotlib.pyplot as plt
from pokereval.card import Card
from pokereval.hand_evaluator import HandEvaluator
"""
Simple example pokerbot, written in python.
This is an example of a bare bones pokerbot. It only sets up the socket
necessary to connect with the engine and then always returns the same action.
It is meant as an example of how a pokerbot should communicate with the engine.
"""
class Player:
def run(self, input_socket):
# Get a file-object for reading packets from the socket.
# Using this ensures that you get exactly one packet per read.
f_in = input_socket.makefile()
conv = create_pbots_hand_to_twohandeval_dict()
while True:
# Block until the engine sends us a packet.
data = f_in.readline().strip()
# If data is None, connection has closed.
if not data:
print "Gameover, engine disconnected."
break
# Here is where you should implement code to parse the packets from
# the engine and act on it. We are just printing it instead.
print data
# When appropriate, reply to the engine with a legal action.
# The engine will ignore all spurious responses.
# The engine will also check/fold for you if you return an
# illegal action.
# When sending responses, terminate each response with a newline
# character (\n) or your bot will hang!
data = data.split() # Split data into list
command = data[0]
if command == "NEWGAME":
hand = [""]*4 # Initialize hand to be empty
risk = 1
max_preflop_equity, max_flop_equity, max_turn_equity, max_river_equity = 0, 0, 0, 0 # Flush all equities
elif command == "NEWHAND":
if PLOT_FLAG == True: # Logging
MADBot_delta.append(str(data[-3]))
otherbot_delta.append(str(data[-2]))
hand = data[3:7]
two_pairs = return_pairs(hand)
convs_two_pairs = [(convert_pbots_hand_to_twohandeval(hole[0], conv), convert_pbots_hand_to_twohandeval(hole[1], conv)) for hole in two_pairs]
max_preflop_equity = max([HandEvaluator.evaluate_hand([Card(h[0][0], h[0][1]), Card(h[1][0], h[1][1])], []) for h in convs_two_pairs])
elif command == "GETACTION":
# Currently CHECK on every move. You'll want to change this.
print 'risk', risk
info = parse_GETACTION(data)
if info['numBoardCards'] == 0:
l, u = get_lower_and_upper_bounds(info["legalActions"][-1])[1]
if max_preflop_equity >= 0.99:
s.send("RAISE:" + str(u) + "\n")
elif max_preflop_equity >= 0.97:
avg = int((u+l)/2)
s.send("RAISE:" + str(avg) + "\n")
elif max_preflop_equity >= 0.95:
s.send("RAISE:" + str(l) + "\n")
else:
s.send("CALL\n")
elif info['numBoardCards'] == 3:
conv_all_cards = []
conv_board_cards = convert_list_to_card_list([convert_pbots_hand_to_twohandeval(card, conv) for card in info['boardCards']]) # in Card form
max_flop_equity = max([HandEvaluator.evaluate_hand([Card(h[0][0], h[0][1]), Card(h[1][0], h[1][1])], conv_board_cards) for h in convs_two_pairs])
cmd, (l, u) = get_lower_and_upper_bounds(info["legalActions"][-1])
if cmd != "CALL":
rand = random.random()
if risk < 0.1:
if (rand >= 0.05):
s.send("FOLD\n")
else:
s.send("CHECK\n")
else:
if max_flop_equity >= 0.90:
if (rand < 0.05):
s.send("CHECK\n")
elif (risk < 0.2):
s.send("CALL\n")
else:
s.send(cmd + ":" + str(u) + "\n")
elif max_flop_equity >= 0.80:
if (risk < 0.2):
if (rand < 0.1):
s.send("CALL\n")
else:
s.send("CHECK\n")
elif (rand < 0.10):
s.send("CHECK\n")
else:
avg = int((u+l)/2)
s.send(cmd + ":" + str(avg) + "\n")
elif max_flop_equity >= 0.60:
if (rand < 0.15) or risk < 0.2:
s.send("CHECK\n")
else:
s.send(cmd + ":" + str(l) + "\n")
else:
if (rand < 0.05):
s.send("CALL\n")
else:
s.send("FOLD\n")
else:
s.send("CALL\n")
elif info['numBoardCards'] == 4:
conv_all_cards = []
conv_board_cards = convert_list_to_card_list([convert_pbots_hand_to_twohandeval(card, conv) for card in info['boardCards']]) # in Card form
max_flop_equity = max([HandEvaluator.evaluate_hand([Card(h[0][0], h[0][1]), Card(h[1][0], h[1][1])], conv_board_cards) for h in convs_two_pairs])
cmd, (l, u) = get_lower_and_upper_bounds(info["legalActions"][-1])
if cmd != "CALL":
rand = random.random()
if risk < 0.1:
if (rand >= 0.05):
s.send("FOLD\n")
else:
s.send("CHECK\n")
else:
if max_flop_equity >= 0.95:
if (rand < 0.05):
s.send("CHECK\n")
elif (risk < 0.01):
s.send("CALL\n")
else:
s.send(cmd + ":" + str(u) + "\n")
elif max_flop_equity >= 0.85:
if (risk < 0.2):
if (rand < 0.1):
s.send("CALL\n")
else:
s.send("CHECK\n")
elif (rand < 0.10):
s.send("CHECK\n")
else:
avg = int((u+l)/2)
s.send(cmd + ":" + str(avg) + "\n")
elif max_flop_equity >= 0.50:
if (rand < 0.15) or risk < 0.2:
s.send("CHECK\n")
else:
s.send("CHECK\n")
else:
if (rand < 0.05):
s.send("CALL\n")
else:
s.send("FOLD\n")
else:
s.send("CALL\n")
elif info['numBoardCards'] == 5:
conv_all_cards = []
conv_board_cards = convert_list_to_card_list([convert_pbots_hand_to_twohandeval(card, conv) for card in info['boardCards']]) # in Card form
max_flop_equity = max([HandEvaluator.evaluate_hand([Card(h[0][0], h[0][1]), Card(h[1][0], h[1][1])], conv_board_cards) for h in convs_two_pairs])
cmd, (l, u) = get_lower_and_upper_bounds(info["legalActions"][-1])
if cmd != "CALL":
rand = random.random()
if risk < 0.1:
if (rand >= 0.05):
s.send("FOLD\n")
else:
s.send("CHECK\n")
else:
if max_flop_equity >= 0.95:
if (rand < 0.05):
s.send("CHECK\n")
elif (risk < 0.01):
s.send("CALL\n")
else:
s.send(cmd + ":" + str(u) + "\n")
elif max_flop_equity >= 0.85:
if (risk < 0.2):
if (rand < 0.1):
s.send("CALL\n")
else:
s.send("CHECK\n")
elif (rand < 0.10):
s.send("CHECK\n")
else:
avg = int((u+l)/2)
s.send(cmd + ":" + str(avg) + "\n")
elif max_flop_equity >= 0.50:
if (rand < 0.15) or risk < 0.2:
s.send("CHECK\n")
else:
s.send("CHECK\n")
else:
if (rand < 0.05):
s.send("CALL\n")
else:
s.send("FOLD\n")
else:
s.send("CALL\n")
else:
s.send("CALL\n")
elif command == "REQUESTKEYVALUES":
# At the end, the engine will allow your bot save key/value pairs.
# Send FINISH to indicate you're done.
s.send("FINISH\n")
elif command == "HANDOVER":
hand = [""]*4 # Empty the hand
bankroll = int(data[1])
risk = 1
if bankroll < 100:
diff = 100 - bankroll
if (float(math.log(diff)/math.log(10))) == 0:
risk = 1
elif bankroll > -50:
risk = 1.0 / (float(math.log(diff)/math.log(10)))**(2)
else:
risk = 1.0 / (float(math.log(diff)/math.log(10)))**2
max_preflop_equity, max_flop_equity, max_turn_equity, max_river_equity = 0, 0, 0, 0 # Flush all equities
# Clean up the socket.
print MADBot_delta
print otherbot_delta
print "\n".join(MADBot_delta)
print "=================================================="
print "\n".join(otherbot_delta)
s.close()
def convert_list_to_card_list(lst):
"""
lst has entries like (N, M), and will convert it to Card(N, M)
"""
card_lst = []
for i in lst:
card_lst.append(Card(i[0], i[1]))
return card_lst
def create_pbots_hand_to_twohandeval_dict():
"""
create dictionary used in the conversion to be used by pokerval library;
see convert_pbots_hand_to_twohandeval(hand) for details about conversions
"""
conv = dict()
conv["1"] = 1
conv["2"] = 2
conv["3"] = 3
conv["4"] = 4
conv["5"] = 5
conv["6"] = 6
conv["7"] = 7
conv["8"] = 8
conv["9"] = 9
conv["T"] = 10
conv["J"] = 11
conv["Q"] = 12
conv["K"] = 13
conv["A"] = 14
conv["s"] = 1
conv["h"] = 2
conv["d"] = 3
conv["c"] = 4
return conv
def convert_pbots_hand_to_twohandeval(hand, conv):
"""
hand: format Ax, where A is # and x is suit
pokereval_hand: format tuple (N, M) where N is number and M is suit,
where N ranges from 2-A and M ranges from 1-4
1: spades
2: hearts
3: diamonds
4: clubs
"""
return (conv[hand[0]], conv[hand[1]])
def return_pairs(hand):
"""
hand: list of size 4, each element is a card
Return: returns all (4 choose 2) pairs of the original hand to compute 2-card preflop equities
"""
return [(hand[0], hand[1]), (hand[0], hand[2]), (hand[0], hand[3]), (hand[1], hand[2]), (hand[1], hand[3]), (hand[2], hand[3])]
def parse_GETACTION(data):
"""
parse the GETACTION line from engine
return dictionary of all elements in the line
"""
info = dict()
info['potSize'] = int(data[1])
info['numBoardCards'] = int(data[2])
info['boardCards'] = data[3:3+info['numBoardCards']]
info['numLastActions'] = int(data[3+info['numBoardCards']:4+info['numBoardCards']][0])
info['lastActions'] = data[4+info['numBoardCards']:4+info['numBoardCards']+info['numLastActions']]
info['numLegalActions'] = int(data[4+info['numBoardCards']+info['numLastActions']:5+info['numBoardCards']+info['numLastActions']][0])
info['legalActions'] = data[5+info['numBoardCards']+info['numLastActions']:5+info['numBoardCards']+info['numLastActions']+info['numLegalActions']]
info['timebank'] = float(data[-1])
return info
def get_lower_and_upper_bounds(string):
"""
string: of the form BET:XX:YY or RAISE:XX:YY (not necessarily two digits)
return: (XX, YY)
"""
last_colon = string.rfind(":")
first_colon = string.find(":")
if last_colon == -1 or first_colon == -1:
return "CALL", (0, 0)
return [string[:first_colon], (int(string[first_colon+1:last_colon]), int(string[last_colon+1:]))]
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='A Pokerbot.', add_help=False, prog='pokerbot')
parser.add_argument('-h', dest='host', type=str, default='localhost', help='Host to connect to, defaults to localhost')
parser.add_argument('port', metavar='PORT', type=int, help='Port on host to connect to')
args = parser.parse_args()
PLOT_FLAG = True # Plots the results of the MADBot and other player.
MADBot_delta = []
otherbot_delta = []
# Create a socket connection to the engine.
print 'Connecting to %s:%d' % (args.host, args.port)
try:
s = socket.create_connection((args.host, args.port))
except socket.error as e:
print 'Error connecting! Aborting'
exit()
bot = Player()
bot.run(s)