def convert_to_cheating_data(data):
"""
:param data: format is SelfPlayWorker.buffer
:return:
"""
state_list = []
policy_list = []
value_list = []
for state_fen, policy, value in data:
state_planes = canon_input_planes(state_fen)
if is_black_turn(state_fen):
policy = Config.flip_policy(policy)
move_number = int(state_fen.split(' ')[5])
value_certainty = min(
5, move_number
) / 5 # reduces the noise of the opening... plz train faster
sl_value = value * value_certainty + testeval(
state_fen, False) * (1 - value_certainty)
state_list.append(state_planes)
policy_list.append(policy)
value_list.append(sl_value)
return np.asarray(state_list, dtype=np.float32), np.asarray(
policy_list, dtype=np.float32), np.asarray(value_list,
dtype=np.float32)
def action(self, env: GoBangEnv, can_stop=True) -> (str):
"""
Figures out the next best move
within the specified environment and returns a string describing the action to take.
:param GoBangEnv env: environment in which to figure out the action
:param boolean can_stop: whether we are allowed to take no action (return None)
:return: None if no action should be taken (indicating a resign). Otherwise, returns a string
indicating the action to take in uci format
"""
self.reset()
# for tl in range(self.play_config.thinking_loop):
root_value, naked_value = self.search_moves(env)
policy = self.calc_policy(env)
my_action = int(
np.random.choice(range(self.labels_n),
p=self.apply_temperature(policy,
env.num_halfmoves)))
# if can_stop and self.play_config.resign_threshold is not None and \
# root_value <= self.play_config.resign_threshold \
# and env.num_halfmoves > self.play_config.min_resign_turn:
# # noinspection PyTypeChecker
# return None
# else:
self.moves.append(
[get_state_by_input_planes(env.observation),
list(policy)]) # ??list??????json.dump()????
# ?????????
move = [env.observation, list(policy)]
for _state, _policy in Config.flip_moves(move):
self.moves.append(
[get_state_by_input_planes(np.array(_state)), _policy])
return self.config.labels[my_action]
def convert_to_cheating_data(data):
"""
:param data: format is SelfPlayWorker.buffer
:return:
"""
state_list = []
policy_list = []
value_list = []
env = ChessEnv().reset()
for state_fen, policy, value in data:
move_number = int(state_fen.split(' ')[5])
# f2 = maybe_flip_fen(maybe_flip_fen(state_fen,True),True)
# assert state_fen == f2
next_move = env.deltamove(state_fen)
if next_move == None: # new game!
assert state_fen == chess.STARTING_FEN
env.reset()
else:
env.step(next_move, False)
state_planes = env.canonical_input_planes()
# assert env.check_current_planes(state_planes)
side_to_move = state_fen.split(" ")[1]
if side_to_move == 'b':
#assert np.sum(policy) == 0
policy = Config.flip_policy(policy)
else:
#assert abs(np.sum(policy) - 1) < 1e-8
pass
# if np.sum(policy) != 0:
# policy /= np.sum(policy)
#assert abs(np.sum(policy) - 1) < 1e-8
assert len(policy) == 1968
assert state_planes.dtype == np.float32
value_certainty = min(
15, move_number
) / 15 # reduces the noise of the opening... plz train faster
SL_value = value * value_certainty + env.testeval() * (1 -
value_certainty)
state_list.append(state_planes)
policy_list.append(policy)
value_list.append(SL_value)
return np.array(state_list, dtype=np.float32), np.array(
policy_list, dtype=np.float32), np.array(value_list, dtype=np.float32)
def expand_and_evaluate(self, env) -> (np.ndarray, float):
""" expand new leaf, this is called only once per state
this is called with state locked
insert P(a|s), return leaf_v
"""
state_planes = env.canonical_input_planes()
leaf_p, leaf_v = self.predict(state_planes)
# these are canonical policy and value (i.e. side to move is "white")
if not env.white_to_move:
leaf_p = Config.flip_policy(
leaf_p) # get it back to python-chess form
return leaf_p, leaf_v
def calc_policy(self, env):
"""calc π(a|s0)
:return:
"""
state = state_key(env)
my_visitstats = self.tree[state]
policy = np.zeros(self.labels_n)
for action, a_s in my_visitstats.a.items():
policy[self.move_lookup[action]] = a_s.n
policy /= np.sum(policy)
if not env.white_to_move:
policy = Config.flip_policy(policy)
return policy
def __init__(self):
# Tensorflow session
import tensorflow as tf
log.debug("Initializing Tensorflow session...")
tf_session_config = tf.ConfigProto()
tf_session_config.gpu_options.allow_growth = True
self.sess = tf.Session(config=tf_session_config)
from chess_zero.config import Config, PlayWithHumanConfig
from chess_zero.env.chess_env import ChessEnv
self.chess_env_class = ChessEnv
default_config = Config()
PlayWithHumanConfig().update_play_config(default_config.play)
self.alpha_player = self.get_player_from_model(default_config)
def expand_and_evaluate(self, env) -> (np.ndarray, float):
""" expand new leaf, this is called only once per state
this is called with state locked
insert P(a|s), return leaf_v
"""
state_planes = env.canonical_input_planes()
leaf_p, leaf_v = self.predict(state_planes)
# these are canonical policy and value (i.e. side to move is "white")
if env.board.turn == chess.BLACK:
leaf_p = Config.flip_policy(
leaf_p) # get it back to python-chess form
#np.testing.assert_array_equal(Config.flip_policy(Config.flip_policy(leaf_p)), leaf_p)
return leaf_p, leaf_v
def expand_and_evaluate(self, env) -> (np.ndarray, float):
""" expand new leaf, this is called only once per state
this is called with state locked
insert P(a|s), return leaf_v
This gets a prediction for the policy and value of the state within the given env
:return (float, float): the policy and value predictions for this state
"""
state_planes = env.canonical_input_planes()
leaf_p, leaf_v = self.predict(state_planes)
# these are canonical policy and value (i.e. side to move is "white")
if not env.white_to_move:
leaf_p = Config.flip_policy(leaf_p) # get it back to python-chess form
return leaf_p, leaf_v
def expand_and_evaluate(self, env) -> (np.ndarray, float):
"""expand new leaf
this is called with state locked
insert P(a|s), return leaf_v
:param ChessEnv env:
:return: leaf_v
"""
if self.play_config.tablebase_access and env.board.num_pieces() <= 5:
return self.tablebase_and_evaluate(env)
state = env.board.gather_features(self.config.model.t_history)
leaf_p, leaf_v = self.predict(state)
if env.board.turn == chess.BLACK:
leaf_p = Config.flip_policy(leaf_p)
return leaf_p, leaf_v
def load_data_from_file(filename, t_history):
# necessary to catch an exception here...? if the play data file isn't completely written yet, then some error will be thrown about a "missing delimiter", etc.
data = read_game_data_from_file(filename)
state_list = []
policy_list = []
value_list = []
board = MyBoard(None)
board.fullmove_number = 1000 # an arbitrary large value.
for state, policy, value in data:
board.push_fen(state)
state = board.gather_features(t_history)
if board.turn == chess.BLACK:
policy = Config.flip_policy(policy)
state_list.append(state)
policy_list.append(policy)
value_list.append(value)
return state_list, policy_list, value_list
def convert_to_cheating_data(data):
"""
:param data: format is SelfPlayWorker.buffer
:return:
"""
state_list = []
policy_list = []
value_list = []
for state_fen, policy, value in data:
state_planes = canon_input_planes(state_fen)
if is_black_turn(state_fen):
policy = Config.flip_policy(policy)
move_number = int(state_fen.split(' ')[5])
value_certainty = min(5, move_number)/5 # reduces the noise of the opening... plz train faster
sl_value = value*value_certainty + testeval(state_fen, False)*(1-value_certainty)
state_list.append(state_planes)
policy_list.append(policy)
value_list.append(sl_value)
return np.asarray(state_list, dtype=np.float32), np.asarray(policy_list, dtype=np.float32), np.asarray(value_list, dtype=np.float32)
def start(config=Config(config_type='mini')):
return ManEvaluateWorker(config).start()
def create(self):
# Initial Alpha Zero setup
default_config = Config()
PlayWithHumanConfig().update_play_config(default_config.play)
return self.get_player_from_model(default_config)
#在棋盘相应位置落相应颜色棋子
plot_chess(i + 1, j + 1, screen, no)
action = f'{i}_{j}_{no}'
print(action)
pygame.display.flip()
env.step(action)
clock.tick(60)
if env.white_won:
put_text('白棋胜利，请重新游戏', screen, 30)
else:
put_text('黑棋胜利，请重新游戏', screen, 30)
sleep(10)
if __name__ == "__main__":
try:
pygame.init()
pygame.mixer.init()
import chess_zero.lib.tf_util as tu
os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"] = "0"
tu.set_session_config(allow_growth=True)
PvEWorker(Config(config_type='mini')).start()
except SystemExit:
pass
except:
traceback.print_exc()
pygame.quit()
input()
from chess_zero.lib.logger import setup_logger
from chess_zero.config import Config
from chess_zero.manager import create_parser, setup, logger
from chess_zero.worker import sl
import os
import sys
import multiprocessing as mp
_PATH_ = os.path.dirname(os.path.dirname(__file__))
if _PATH_ not in sys.path:
sys.path.append(_PATH_)
mp.set_start_method('spawn')
sys.setrecursionlimit(10000)
parser = create_parser()
args = parser.parse_args()
config_type = args.type
if args.cmd == 'uci':
disable(999999) # plz don't interfere with uci
config = Config(config_type=config_type)
setup(config, args)
logger.info(f"config type: {config_type}")
sl.start(config)
# The gRPC serve function.
#
# Params:
# max_workers: pool of threads to execute calls asynchronously
# port: gRPC server port
#
# Add all your classes to the server here.
# (from generated .py files by protobuf compiler)
def serve(max_workers=10, port=7777):
server = grpc.server(futures.ThreadPoolExecutor(max_workers=max_workers))
grpc_bt_grpc.add_AlphaZeroServicer_to_server(AlphaZeroServicer(), server)
server.add_insecure_port("[::]:{}".format(port))
return server
if __name__ == "__main__":
"""
Runs the gRPC server to communicate with the Snet Daemon.
"""
# Initial Alpha Zero setup
default_config = Config()
PlayWithHumanConfig().update_play_config(default_config.play)
ALPHA_ZERO_PLAYER = get_player_from_model(default_config)
parser = service.common.common_parser(__file__)
args = parser.parse_args(sys.argv[1:])
service.common.main_loop(serve, args)
