gistfile1.txt

#!/usr/bin/python3

# program '.....' unused_letters exclusions
# board='..i..' guess=['roate','spunk','climb'] 3:a 1:s 4:m
#  program '..i..' rotepunkclb 3:a 1:s 4:m

import sys

def main() -> int:
    pattern = sys.argv[1]
    unused_letters = sys.argv[2]
    exclusions = sys.argv[3:]

    for u in unused_letters:
        if u in pattern:
            print('user error: letter %s in \'%s\'' % (u, pattern))
            return(1)

    wordlist = open('/usr/share/dict/words')
    for word in wordlist:
        word = word.strip()

        # 1. remove any words that aren't 5 letters
        if len(word) != 5:
            continue

        # 2. remove any words that don't have letters that we know ARE used
        used = ''
        for x in exclusions:
            used = used + x.split(':').pop()
        if not matches_all_letters(word, used):
            continue

        # 3. remove any words that don't have a letter in the spot where we know it is
        if not matches_pattern(word, pattern):
            continue

        # 4. remove any words that include letters that we know aren't used
        if matches_letters(word, unused_letters):
            continue

        # 5. remove any words that have a letter in the spot where we know it's not
        if matches_exclusions(word, exclusions):
            continue

        print(word)


def matches_exclusions(word, exclusions) -> bool:
    for exclusion in exclusions:
        (position,letters) = exclusion.split(':')
        # position=3, letters=a
        pos = int(position) - 1
        for letter in letters:
            if word[pos] == letter:
                return True
    return False


def matches_pattern(word, pattern) -> bool:
    # ..i..
    for i in range(0, len(pattern)):
        if pattern[i] == '.':
            continue
        elif pattern[i] == word[i]:
            continue
        return False
    return True


def matches_letters(word, letters) -> bool:
    # rotepunkclb
    for letter in letters:
        if letter in word:
            return True
    return False


def matches_all_letters(word, letters) -> bool:
    for letter in letters:
        if letter not in word:
            return False
    return True


if __name__ == '__main__':
    sys.exit(main())