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
162
163
|
#!/usr/bin/env python3
import sys
import os
import shutil
import argparse
parser = argparse.ArgumentParser(description='''BlankPlays challenge extractor.
Extracts challenges from log files generated by Macondo's autoplay command.''')
parser.add_argument('-w', '--word-list', required=True, help='File containing list of words, separated by newlines.')
parser.add_argument('-o', '--output', required=True, help='Directory to put challenges in (will be created if does not exist).')
parser.add_argument('--start-idx', default=0, help='Number of first challenge (default: 0)')
parser.add_argument('log_files', nargs='*', help='Macondo log files')
args = parser.parse_args()
if not args.log_files:
print('At least one log file must be specified.')
sys.exit(1)
alphabet = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'
# board size
N = 15
word_list = set(line.strip().upper() for line in open(args.word_list, encoding='utf-8'))
# can change these to implement non-ASCII tiles
def encode(tile: str) -> int:
return ord(tile)
def decode(tile: int) -> str:
if tile == 0: return '.'
return chr(tile)
class GameState:
def __init__(self) -> None:
self.board = bytearray(N * N)
def make_play(self, play: str) -> None:
if play.startswith('(exch') or play == '(Pass)':
return
coord = play[:3].strip()
tiles = play[4:]
horizontal = coord[0].isdigit()
if horizontal:
row = int(coord[:-1]) - 1
col = ord(coord[-1]) - ord('A')
else:
row = int(coord[1:]) - 1
col = ord(coord[0]) - ord('A')
for c in tiles:
assert row >= 0 and col >= 0 and row < N and col < N
if c != '.':
self.board[row * N + col] = encode(c)
if horizontal:
col += 1
else:
row += 1
def board_string(self) -> str:
rows = []
for row in range(15):
rows.append(''.join(decode(tile) for tile in self.board[row*N:(row+1)*N]) + '\n')
return ''.join(rows)
def try_place(self, row: int, col: int, letter: str) -> list[str]:
board = self.board[:]
if board[row*N+col]:
# there's already a tile here
return []
board[row*N+col] = encode(letter)
neighbours = []
if row > 0:
neighbours.append(board[(row-1)*N+col])
if row < N-1:
neighbours.append(board[(row+1)*N+col])
if col > 0:
neighbours.append(board[row*N+col-1])
if col < N-1:
neighbours.append(board[row*N+col+1])
if all(n == 0 for n in neighbours):
# doesn't connect to any existing plays
return []
i = col
while i > 0 and board[row*N+i-1]:
i -= 1
horizontal_word = ''
while i < 15 and board[row*N+i]:
horizontal_word += decode(board[row*N+i])
i += 1
words = []
if len(horizontal_word) > 1:
words.append(horizontal_word)
i = row
while i > 0 and board[(i-1)*N+col]:
i -= 1
vertical_word = ''
while i < 15 and board[i*N+col]:
vertical_word += decode(board[i*N+col])
i += 1
if len(vertical_word) > 1:
words.append(vertical_word)
if not all(word in word_list for word in words):
return []
return words
def blank_plays(self) -> list[tuple[int, str, list[str]]]:
plays = []
for row in range(N):
for col in range(N):
for letter in alphabet:
words_formed = self.try_place(row, col, letter)
if words_formed:
plays.append((row*15+col, letter, words_formed))
return plays
def output(self, filename: str) -> None:
if os.path.exists(filename):
print(filename, 'already exists. Aborting.')
sys.exit(1)
with open('challenge.tmp', 'wb') as out:
out.write(self.board_string().encode())
for square, letter, _ in self.blank_plays():
out.write(f'{square} {letter}\n'.encode())
os.rename('challenge.tmp', filename)
def is_nice(play: tuple[int, str, list[str]]) -> bool:
_square, letter, words = play
# we want 5+-letter words that aren't just S hooks
return any(len(w) >= 5 and not (letter == 'S' and w.endswith('S')) for w in words)
output_dir = args.output
game_idx = args.start_idx
count = 0
try:
os.mkdir(output_dir)
except FileExistsError:
pass
for filename in args.log_files:
games_file = open(filename, encoding='utf-8')
lines = iter(games_file)
next(lines) # skip header
games = {}
for line in lines:
line = line.strip()
fields = line.split(',')
game_id = fields[1]
if game_id not in games:
games[game_id] = GameState()
play = fields[4]
games[game_id].make_play(play)
if fields[3] == '?':
game = games[game_id]
plays = game.blank_plays()
nice_plays = [play for play in plays if is_nice(play)]
# require at least 3 plays that make 5+-letter words
if len(nice_plays) >= 3:
game.output(f'{output_dir}/{game_idx:05}.txt')
print(game.board_string())
print(len(plays), 'plays')
count += 1
game_idx += 1
print(count, 'challenges made.')
|
