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Copy pathgtp_wrapper.py
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123 lines (101 loc) · 3.84 KB
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# Copyright 2018 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import gtp
import gtp_extensions
import coords
import datetime
import go
import random
import sys
import os
from dual_net import DualNetwork
from strategies import MCTSPlayerMixin, CGOSPlayerMixin
def translate_gtp_colors(gtp_color):
if gtp_color == gtp.BLACK:
return go.BLACK
elif gtp_color == gtp.WHITE:
return go.WHITE
else:
return go.EMPTY
class GtpInterface(object):
def __init__(self):
self.size = 9
self.position = None
self.komi = 6.5
def set_size(self, n):
if n != go.N:
raise ValueError(("Can't handle boardsize {n}!"
"Restart with env var BOARD_SIZE={n}").format(n=n))
def set_komi(self, komi):
self.komi = komi
self.position.komi = komi
def clear(self):
if self.position and len(self.position.recent) > 1:
try:
sgf = self.to_sgf()
with open(datetime.datetime.now().strftime("%Y-%m-%d-%H:%M.sgf"), 'w') as f:
f.write(sgf)
except NotImplementedError:
pass
except:
print("Error saving sgf", file=sys.stderr, flush=True)
self.position = go.Position(komi=self.komi)
self.initialize_game(self.position)
def accomodate_out_of_turn(self, color):
if not translate_gtp_colors(color) == self.position.to_play:
self.position.flip_playerturn(mutate=True)
def make_move(self, color, vertex):
c = coords.parse_pygtp_coords(vertex)
# let's assume this never happens for now.
# self.accomodate_out_of_turn(color)
return self.play_move(c)
def get_move(self, color):
self.accomodate_out_of_turn(color)
move = self.suggest_move(self.position)
if self.should_resign():
return gtp.RESIGN
return coords.unparse_pygtp_coords(move)
def final_score(self):
return self.position.result_string()
def showboard(self):
print('\n\n' + str(self.position) + '\n\n', file=sys.stderr)
return True
def should_resign(self):
raise NotImplementedError
def get_score(self):
return self.position.result_string()
def suggest_move(self, position):
raise NotImplementedError
def play_move(self, c):
raise NotImplementedError
def initialize_game(self):
raise NotImplementedError
def chat(self, msg_type, sender, text):
raise NotImplementedError
def to_sgf(self):
raise NotImplementedError
class MCTSPlayer(MCTSPlayerMixin, GtpInterface): pass
class CGOSPlayer(CGOSPlayerMixin, GtpInterface): pass
def make_gtp_instance(read_file, readouts_per_move=100, verbosity=1, cgos_mode=False):
n = DualNetwork(read_file)
instance = MCTSPlayer(n, simulations_per_move=readouts_per_move, verbosity=verbosity, two_player_mode=True)
gtp_engine = gtp.Engine(instance)
if cgos_mode:
instance = CGOSPlayer(n, seconds_per_move=5, verbosity=verbosity, two_player_mode=True)
else:
instance = MCTSPlayer(n, simulations_per_move=readouts_per_move,
verbosity=verbosity, two_player_mode=True)
name ="Somebot-" + os.path.basename(read_file)
gtp_engine = gtp_extensions.GTPDeluxe(instance, name=name)
return gtp_engine