Check word prefixes to reduce problem space

Produce a prefix wordlist from a dictionary wordlist using the
`filter_prefix.sh` script.
This commit is contained in:
2021-12-28 22:58:18 -05:00
parent 10e45a22d2
commit b816054fb3
4 changed files with 36685 additions and 16 deletions
+18 -16
View File
@@ -9,7 +9,7 @@ def readBoggleFile(file):
def readWordlist(file):
with open(file, 'r') as f:
return {k:0 for k in f.read().split()}
return {k:1 for k in f.read().split()}
def getAdjacentIndexes(board, row, col):
maxHeight = len(board) - 1
@@ -34,22 +34,24 @@ def getAdjacentIndexes(board, row, col):
return indexes
def findWordsByIndex(board, wordlist, row, col, depth, adjacentIndexes, prefix = '', path = [], foundWords = {}):
if depth == 0:
def findWordsByIndex(board, wordlist, row, col, depth, adjacentIndexes, prefix = '', path = [], foundWords = {}, prefixes = None, maxDepth = 5, prefixLen = 0):
if depth == maxDepth:
return {}
if prefixes != None and depth == prefixLen and prefix not in prefixes:
return {}
prefix = prefix + board[row][col]
foundWords = deepcopy(foundWords)
path = deepcopy(path)
prefix = prefix + board[row][col]
path.append((row, col))
if prefix in wordlist:
foundWords[prefix] = 1
adjacents = [x for x in adjacentIndexes[(row, col)] if x not in path]
#print('adj:', adjacents, 'p:', (row,col), 'pre:', prefix)
for a in adjacents:
newWords = findWordsByIndex(board, wordlist, a[0], a[1], depth-1, adjacentIndexes, prefix, path, foundWords)
newWords = findWordsByIndex(board, wordlist, a[0], a[1], depth+1, adjacentIndexes, prefix, path, foundWords, prefixes, maxDepth, prefixLen)
for k,v in newWords.items():
if k in wordlist and k in foundWords:
# Add and increment word counts
@@ -60,13 +62,13 @@ def findWordsByIndex(board, wordlist, row, col, depth, adjacentIndexes, prefix =
return foundWords
def findWords(board, adjacentIndexes, maxDepth = 5):
def findWords(board, adjacentIndexes, maxDepth = 5, prefixes = None, prefixLen = 0):
words = {}
for row in range(len(board)):
for col in range(len(board[0])):
# Find words for each row/col starting points
wordlist = readWordlist(WORDLISTS_PATH + 'words_' + board[row][col] + '.txt')
newWords = findWordsByIndex(board, wordlist, row, col, maxDepth, adjacentIndexes)
newWords = findWordsByIndex(board, wordlist, row, col, 0, adjacentIndexes, prefixes = prefixes, maxDepth = maxDepth, prefixLen = prefixLen)
for w,v in newWords.items():
# Add and increment word counts
words[w] = words[w] + v if w in words.keys() else v
@@ -75,8 +77,8 @@ def findWords(board, adjacentIndexes, maxDepth = 5):
if __name__ == '__main__':
if len(sys.argv) != 2:
print('Usage: python3 blogger.py boggle_board_file.txt')
if len(sys.argv) != 3:
print('Usage: python3 blogger.py BOARD_FILE MAX_WORD_LENGTH')
else:
board = readBoggleFile(sys.argv[1])
print(board)
@@ -85,14 +87,14 @@ if __name__ == '__main__':
for c in range(len(board)):
adjacentIndexes[(r,c)] = getAdjacentIndexes(board, r, c)
adjacentLetters = {k:[board[pos[0]][pos[1]] for pos in v] for (k,v) in adjacentIndexes.items()}
maxSize = 8
words = findWords(board, adjacentIndexes, maxSize)
words = [w for w in words if len(w) > 2]
maxSize = int(sys.argv[2], 10)
prefixes = readWordlist('./wordlists/all/prefix4.txt')
words = findWords(board, adjacentIndexes, maxSize, prefixes, 4)
#words = findWords(board, adjacentIndexes, maxSize)
for w in words:
print(w)
#print([w for w in words if len(w) == 3])
#words = [w for w in words if len(w) > 2]
#print([w for w in words if len(w) == 3])