77 lines
1.9 KiB
Python
77 lines
1.9 KiB
Python
#!/usr/bin/python
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import random
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from enum import Enum
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import dictionary
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class LetterResult(Enum):
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"""Is an individual letter in a word in the result?"""
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CORRECT = "C"
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MOVE = "M"
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INCORRECT = "I"
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UNKNOWN = "U"
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class InvalidWord(Exception):
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"""Thrown when an input word is not a valid Wordle."""
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pass
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def select_word(words=dictionary.words()):
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return random.choice(list(words))
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def grade_word(target, guess, words=dictionary.words()):
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# We don't check word length, since all valid words are 5 letters.
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if guess not in words:
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raise InvalidWord(f"{guess} is not a valid Wordle.")
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result = [LetterResult.UNKNOWN] * dictionary.WORDLE_LENGTH
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# We copy target, and remove letters if we find them. This handles duplicate letters correctly.
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# For example, if the target is "pulls" and we guess "apple", only the first "p" should be a
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# MOVE. The second should be INCORRECT.
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remaining = list(target)
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# Find all correct results first.
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for i in range(dictionary.WORDLE_LENGTH):
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if target[i] == guess[i]:
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result[i] = LetterResult.CORRECT
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remaining.remove(guess[i])
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for i in range(dictionary.WORDLE_LENGTH):
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if result[i] == LetterResult.UNKNOWN:
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if guess[i] in remaining:
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# Letter is in the wrong place.
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result[i] = LetterResult.MOVE
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remaining.remove(guess[i])
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else:
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# Letter is not in target.
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result[i] = LetterResult.INCORRECT
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return result
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def display_result(result, text):
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opening = {
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LetterResult.CORRECT: "\033[92m",
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LetterResult.MOVE: "\033[33m",
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LetterResult.INCORRECT: "\033[36m",
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LetterResult.UNKNOWN: "",
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}
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closing = "\033[0m"
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return f"{opening[result]}{text}{closing}"
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def success_result(result):
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for r in result:
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if r != LetterResult.CORRECT:
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return False
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return True
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