-
Notifications
You must be signed in to change notification settings - Fork 0
/
gtp.py
161 lines (136 loc) · 5.62 KB
/
gtp.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
import argparse
import torch
import go_data_gen
from model import GoNet
from io_conversions import *
def str_to_color(color_str):
"""Convert GTP color string to go_data_gen.Color enum."""
if color_str.lower() in ['b', 'black']:
return go_data_gen.Color.Black
elif color_str.lower() in ['w', 'white']:
return go_data_gen.Color.White
else:
raise ValueError(f"Invalid color string: {color_str}")
def color_to_str(color):
"""Convert go_data_gen.Color enum to GTP color string."""
if color == go_data_gen.Color.Black:
return 'B'
elif color == go_data_gen.Color.White:
return 'W'
else:
raise ValueError(f"Invalid Color enum: {color}")
def str_to_coord(vertex):
"""Convert GTP vertex (e.g., 'D4') to (row, col) tuple."""
if vertex.lower() == 'pass':
return go_data_gen.pass_coord
col = ord(vertex[0].upper()) - ord('A')
if col > 7: # Skip 'I'
col -= 1
row = int(vertex[1:]) - 1
return (18 - row, col) # Flip row to match the desired coordinate system
def coord_to_str(coord):
"""Convert (row, col) tuple to GTP vertex."""
if coord == go_data_gen.pass_coord:
return 'pass'
row, col = coord
if col > 7:
col += 1 # Skip 'I'
return f"{chr(col + ord('A'))}{19 - row}"
def fixed_handicap(num_stones):
handicap_positions = {
2: [(3, 15), (15, 3)],
3: [(3, 15), (15, 3), (15, 15)],
4: [(3, 3), (3, 15), (15, 3), (15, 15)],
5: [(3, 3), (3, 15), (9, 9), (15, 3), (15, 15)],
6: [(3, 3), (3, 15), (9, 3), (9, 15), (15, 3), (15, 15)],
7: [(3, 3), (3, 15), (9, 3), (9, 9), (9, 15), (15, 3), (15, 15)],
8: [(3, 3), (3, 9), (3, 15), (9, 3), (9, 15), (15, 3), (15, 9), (15, 15)],
9: [(3, 3), (3, 9), (3, 15), (9, 3), (9, 9), (9, 15), (15, 3), (15, 9), (15, 15)]
}
if num_stones in handicap_positions:
return handicap_positions[num_stones]
else:
return None
class GoGTPEngine:
def __init__(self, model, board, device):
self.model = model
self.board = board
self.device = device
self.size = (19, 19)
self.komi = 7.5
self.commands = [
'list_commands', 'boardsize', 'clear_board', 'komi', 'play', 'genmove',
'fixed_handicap', 'place_free_handicap', 'set_free_handicap', 'quit'
]
def run(self):
while True:
input_line = input().strip()
if input_line == "quit":
break
command = input_line.split()
if command[0] == "list_commands":
print("= " + "\n".join(self.commands))
elif command[0] == "boardsize":
size = int(command[1])
self.size = (size, size)
self.board = go_data_gen.Board(self.size, self.komi)
print("=")
elif command[0] == "clear_board":
self.board.reset()
print("=")
elif command[0] == "komi":
self.komi = float(command[1])
self.board.komi = self.komi
print("=")
elif command[0] == "play":
color = str_to_color(command[1].lower())
coord = str_to_coord(command[2])
self.board.play(go_data_gen.Move(color, coord))
print("=")
elif command[0] == "genmove":
color = str_to_color(command[1].lower())
coord = self.model.gen_move(board, color)
self.board.play(go_data_gen.Move(color, coord))
print("= " + coord_to_str(coord))
elif command[0] == "fixed_handicap":
num_stones = int(command[1])
handicap_coords = fixed_handicap(num_stones)
if handicap_coords:
for coord in handicap_coords:
self.board.setup_move(go_data_gen.Move(
go_data_gen.Color.Black, coord))
print("= " + " ".join(coord_to_str(coord)
for coord in handicap_coords))
else:
print("? invalid number of handicap stones")
elif command[0] == "place_free_handicap":
num_stones = int(command[1])
handicap_coords = []
for i in range(num_stones):
coord = self.model.gen_move(
self.board, go_data_gen.Color.Black)
self.board.setup_move(go_data_gen.Move(
go_data_gen.Color.Black, coord))
handicap_coords.append(coord)
print("= " + " ".join(coord_to_str(coord)
for coord in handicap_coords))
elif command[0] == "set_free_handicap":
for coord in command[1:]:
self.board.setup_move(go_data_gen.Move(
go_data_gen.Color.Black, str_to_coord(coord)))
print("=")
else:
print("? unknown_command")
print("# {}".format(input_line))
if __name__ == "__main__":
parser = argparse.ArgumentParser(
description="Load a GoNet model and run the GoGTPEngine")
parser.add_argument("checkpoint_path", type=str,
help="Path to the checkpoint file")
args = parser.parse_args()
device = "cuda" if torch.cuda.is_available() else "cpu"
model = GoNet.load_from_checkpoint(
checkpoint_path=args.checkpoint_path, device=device)
board = go_data_gen.Board()
engine = GoGTPEngine(model, board, device)
engine.run()