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Wordle Solver Github.py
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Wordle Solver Github.py
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from timeit import default_timer as timer
from multiprocessing import Pool
NB_CPUS = 16
ENGLISH_WORDS_FILE = r"word_list.txt"
#ENGLISH_WORDS_FILE = r"comprehensive_word_list.txt"
ENGLISH_WORDS_SET = [line.strip().lower() for line in open(ENGLISH_WORDS_FILE, 'r')]
class Wordle_grid:
def __init__(self, attempts_list, colors_list):
# 'x' is grey, 'g' is green, 'y' is yellow
if len(attempts_list) != len(colors_list):
raise ValueError
colors_list = [list(colors) for colors in colors_list].copy()
for colors in colors_list:
if len(colors) != 5:
raise ValueError
for color in colors:
if color not in ['x', 'g', 'y']:
raise ValueError
for attempt in attempts_list:
if len(attempt) != 5:
raise ValueError
self.attempts_list = attempts_list
self.colors_list = colors_list
def display_wordle_grid(self):
display = '\033[90m' + '\n' + '-----' + '\n' + "display wordle grid:" + '\n'
for attempt_index, attempt in enumerate(self.attempts_list):
for letter_index, letter in enumerate(attempt):
if self.colors_list[attempt_index][letter_index] == 'g':
display += '\033[92m' + letter
elif self.colors_list[attempt_index][letter_index] == 'y':
display += '\033[93m' + letter
else:
display += '\033[90m' + letter
display += '\033[90m' + '\n'
display += '-----'
print(display)
def analyse_wordle_grid(self):
# all remaining letters, including confirmed ones
remaining_letters = ['q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', 'a', 's', 'd',
'f', 'g', 'h', 'j', 'k', 'l', 'z', 'x', 'c', 'v', 'b', 'n', 'm']
# green letters
green_positions = []
green_letters = []
# yellow letters
yellow_positions = []
yellow_letters = []
# potential multiple letters identified
double_letters = []
triple_letters = []
quadruple_letters = []
quintuple_letters = []
# letters whose exact number of occurrences has been identified
strictly_single_letters = []
strictly_double_letters = []
strictly_triple_letters = []
strictly_quadruple_letters = []
# already identified letters that cannot be place at certain positions
misplaced_positions = []
misplaced_letters = []
for attempt_index, attempt in enumerate(self.attempts_list):
for letter_index, letter in enumerate(attempt):
duplicate_letter_index_list = [duplicate_index for duplicate_index, duplicate_letter in
enumerate(attempt) if duplicate_letter == letter]
duplicate_letter_color_list = [self.colors_list[attempt_index][duplicate_index] for duplicate_index in
duplicate_letter_index_list]
nb_grey = duplicate_letter_color_list.count('x')
nb_green = duplicate_letter_color_list.count('g')
nb_yellow = duplicate_letter_color_list.count('y')
nb_colored = nb_green + nb_yellow
if self.colors_list[attempt_index][letter_index] == 'x' and nb_colored == 0 and letter in remaining_letters:
remaining_letters.remove(letter)
if self.colors_list[attempt_index][letter_index] == 'g':
green_positions.append(letter_index + 1)
green_letters.append(letter)
if self.colors_list[attempt_index][letter_index] == 'y':
yellow_positions.append(letter_index + 1)
yellow_letters.append(letter)
if nb_grey > 0:
if nb_colored == 1:
if letter not in strictly_single_letters:
strictly_single_letters.append(letter)
if nb_colored == 2:
if letter not in strictly_double_letters:
strictly_double_letters.append(letter)
if nb_colored == 3:
if letter not in strictly_triple_letters:
strictly_triple_letters.append(letter)
if nb_colored == 4:
if letter not in strictly_quadruple_letters:
strictly_quadruple_letters.append(letter)
if nb_colored > 0:
current_misplaced_positions = [misplaced_position + 1 for misplaced_position in
duplicate_letter_index_list if
self.colors_list[attempt_index][misplaced_position] == 'x']
misplaced_positions += current_misplaced_positions
misplaced_letters += [letter for misplaced_position in current_misplaced_positions]
else:
if nb_colored == 2:
if letter not in double_letters:
double_letters.append(letter)
if nb_colored == 3:
if letter not in triple_letters:
triple_letters.append(letter)
if nb_colored == 4:
if letter not in quadruple_letters:
quadruple_letters.append(letter)
if nb_colored == 5:
if letter not in quintuple_letters:
quintuple_letters.append(letter)
self.remaining_letters = remaining_letters
self.green_positions = green_positions
self.green_letters = green_letters
self.yellow_positions = yellow_positions
self.yellow_letters = yellow_letters
self.double_letters = double_letters
self.triple_letters = triple_letters
self.quadruple_letters = quadruple_letters
self.quintuple_letters = quintuple_letters
self.strictly_single_letters = strictly_single_letters
self.strictly_double_letters = strictly_double_letters
self.strictly_triple_letters = strictly_triple_letters
self.strictly_quadruple_letters = strictly_quadruple_letters
self.misplaced_positions = misplaced_positions
self.misplaced_letters = misplaced_letters
def get_possible_solutions_wordle_grid(self):
remaining_letters = self.remaining_letters
green_positions = self.green_positions
green_letters = self.green_letters
yellow_positions = self.yellow_positions
yellow_letters = self.yellow_letters
double_letters = self.double_letters
triple_letters = self.triple_letters
quadruple_letters = self.quadruple_letters
quintuple_letters = self.quintuple_letters
strictly_single_letters = self.strictly_single_letters
strictly_double_letters = self.strictly_double_letters
strictly_triple_letters = self.strictly_triple_letters
strictly_quadruple_letters = self.strictly_quadruple_letters
misplaced_positions = self.misplaced_positions
misplaced_letters = self.misplaced_letters
confirmed_letters = green_letters + yellow_letters
possible_solutions = []
for word in ENGLISH_WORDS_SET:
if any(letter not in word for letter in confirmed_letters):
valid_solution = False
elif any(letter not in remaining_letters for letter in word):
valid_solution = False
elif any(word[green_positions[green_index] - 1] != green_letter for green_index, green_letter in
enumerate(green_letters)):
valid_solution = False
elif any(word[yellow_positions[yellow_index] - 1] == yellow_letter for yellow_index, yellow_letter in
enumerate(yellow_letters)):
valid_solution = False
elif any(word.count(double_letter) < 2 for double_letter in double_letters):
valid_solution = False
elif any(word.count(triple_letter) < 3 for triple_letter in triple_letters):
valid_solution = False
elif any(word.count(quadruple_letter) < 4 for quadruple_letter in quadruple_letters):
valid_solution = False
elif any(word.count(quintuple_letter) < 5 for quintuple_letter in quintuple_letters):
valid_solution = False
elif any(word.count(strictly_single_letter) != 1 for strictly_single_letter in strictly_single_letters):
valid_solution = False
elif any(word.count(strictly_double_letter) != 2 for strictly_double_letter in strictly_double_letters):
valid_solution = False
elif any(word.count(strictly_triple_letter) != 3 for strictly_triple_letter in strictly_triple_letters):
valid_solution = False
elif any(word.count(strictly_quadruple_letter) != 4 for strictly_quadruple_letter in
strictly_quadruple_letters):
valid_solution = False
elif any(word[misplaced_positions[misplaced_index] - 1] == misplaced_letter for
misplaced_index, misplaced_letter in enumerate(misplaced_letters)):
valid_solution = False
else:
valid_solution = True
if valid_solution:
possible_solutions.append(word)
self.possible_solutions = possible_solutions
def display_possible_solutions_wordle_grid(self):
possible_solutions = self.possible_solutions
result = '\n' + '-----' + '\n' + str(len(possible_solutions)) + " possible solution(s):"
for word in possible_solutions:
result += '\n' + word
result += '\n' + '-----' + '\n'
print(result)
def get_optimal_attempts_wordle_grid(self):
print('-----' + '\n' + "computing optimal attempt(s)..." + '\n' + '-----' + '\n')
# alternative to a for loop to run on the 16 cores of the cpu
with Pool(NB_CPUS) as p:
tentative_attempt_scores = p.map(self.get_tentative_attempt_score, ENGLISH_WORDS_SET)
optimal_attempts_indices = [index for index, score in enumerate(tentative_attempt_scores) if
score == min(tentative_attempt_scores)]
optimal_attempts = [solution for index, solution in enumerate(ENGLISH_WORDS_SET) if
index in optimal_attempts_indices]
self.optimal_attempts = optimal_attempts
def get_tentative_attempt_score(self, tentative_attempt):
possible_solutions = self.possible_solutions
score = 0
for trial_winning_solution in possible_solutions:
if tentative_attempt != trial_winning_solution:
trial_wordle_grid = self.get_trial_wordle_grid(tentative_attempt, trial_winning_solution)
trial_wordle_grid.analyse_wordle_grid()
trial_wordle_grid.get_possible_solutions_wordle_grid()
score += len(trial_wordle_grid.possible_solutions)
return score
def display_optimal_attempts_wordle_grid(self):
optimal_attempts = self.optimal_attempts
result = '-----' + '\n' + str(len(optimal_attempts)) + " optimal attempt(s):"
for word in optimal_attempts:
result += '\n' + word
result += '\n' + '-----'
print(result)
def get_trial_wordle_grid(self, tentative_attempt, trial_winning_solution):
new_attempts_list = self.attempts_list.copy()
new_attempts_list.append(tentative_attempt)
new_colors_list = self.colors_list.copy()
colors = []
for letter_index, letter in enumerate(tentative_attempt):
if letter == trial_winning_solution[letter_index]:
colors.append('g')
elif letter in trial_winning_solution:
colors.append('y')
else:
colors.append('x')
for letter_index, letter in enumerate(tentative_attempt):
if colors[letter_index] == 'y':
count_previous_letter = len([previous_letter for previous_letter in tentative_attempt[:letter_index] if
previous_letter == letter])
count_forward_green_letter = len([forward_letter for forward_letter_index, forward_letter in
enumerate(tentative_attempt[letter_index:]) if
forward_letter == letter and colors[
letter_index + forward_letter_index] == 'g'])
count_trial_winning_solution_letter = len(
[trial_winning_solution_letter for trial_winning_solution_letter in trial_winning_solution if
trial_winning_solution_letter == letter])
if count_previous_letter + count_forward_green_letter >= count_trial_winning_solution_letter:
colors[letter_index] = 'x'
new_colors_list.append(colors)
trial_wordle_grid = Wordle_grid(new_attempts_list, new_colors_list)
return trial_wordle_grid
def display_total_computation_time(start, end):
print('\n' + '-----' + '\n' "total computation time:" + '\n' + str(round(end - start, 2)) + "s" + '\n' + '-----')
def run_wordle_solver(attempts_list, colors_list):
start = timer()
grid = Wordle_grid(attempts_list, colors_list)
grid.display_wordle_grid()
grid.analyse_wordle_grid()
grid.get_possible_solutions_wordle_grid()
grid.display_possible_solutions_wordle_grid()
grid.get_optimal_attempts_wordle_grid()
grid.display_optimal_attempts_wordle_grid()
end = timer()
display_total_computation_time(start, end)
if __name__ == "__main__":
attempts_list = ['train', 'cleat']
colors_list = ['yxyxx', 'xxggy']
run_wordle_solver(attempts_list, colors_list)