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Implements Scrabble. Also allows user to recover all game moves from given board and score list as well as brute-force find best move.
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scrabble Merge pull request #4 from narimiran/new_board Jan 2, 2018
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MANIFEST.in
README.md
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README.md

Table of Contents

Scrabble

This package implements the game of Scrabble and also adds features that recover previous moves as well as determine the best next move for a given Scrabble game.

Installing from pypi

pip3 install scrabble

Installing from source

git clone git@github.com:benjamincrom/scrabble.git
cd scrabble/
python3 setup.py install

Testing

Tests take about two hours to run on an average machine.

python3 setup.py test

Recover Scrabble Game

Recover the moves of a Scrabble game given only the final board and the list of player scores for each move.

Usage:

$ recover_scrabble_game [INPUT_FILENAME]

See scrabble/tests/sample_input_files for examples of correctly formatted input files

Example:

$ recover_scrabble_game ./tests/sample_input_files/sample_input30.json

[
    [
        [(('h', 8), '*OWDY')],
        [(('e', 10), 'R(A)ZE')],
        [(('h', 12), '(Y)IP')],
        [(('b', 13), 'MOV(E)')],
        [(('c', 6), 'GU(Y)')],
        [(('l', 10), '(D)OTE')],
        [(('e', 3), '(G)UILE')],
        [(('i', 2), 'B(E)ER')],
        [(('i', 5), '(R)IP')],
        [(('g', 2), 'H(I)NT')],
        [(('l', 2), '(D)UNE')],
        [(('j', 12), '(PI)TA')],
        [(('h', 9), '(O)R*')],
        [(('o', 13), 'LI(T)')],
        [(('e', 15), 'BANAN(A)')]
    ], [
        [(('d', 11), 'FAME(D)')],
        [(('d', 8), 'CRIE(*)')],
        [
            (('i', 12), '(I)T'),
            (('j', 12), '(P)I'),
            (('i', 13), 'TIGHT')
        ],
        [(('e', 3), 'GRAYE(R)')],
        [(('l', 10), 'DAS(H)')],
        [(('o', 8), 'OV(E)N')],
        [(('c', 4), 'JA(R)')],
        [(('c', 4), '(J)I(G)')],
        [(('b', 10), 'LOO(M)S')],
        [
            (('l', 2), 'DOWEL'),
            (('i', 5), '(RIP)E')
        ],
        [(('o', 1), 'R(E)ASON')],
        [(('m', 13), '(T)AX')],
        [(('l', 15), 'E(X)IT')],
        [
            (('a', 14), 'I(S)'),
            (('a', 14), 'ID')
        ],
        [(('j', 7), 'SE(*)K')]
    ]
]

Play Scrabble Game

Create a new Scrabble game object

  • scrabble.main.ScrabbleGame(num_players)
>>> from scrabble.main import ScrabbleGame
>>> game = ScrabbleGame(num_players=4)
>>> game
  abcdefghijklmno
1 _______________
2 _______________
3 _______________
4 _______________
5 _______________
6 _______________
7 _______________
8 _______★_______
9 _______________
10_______________
11_______________
12_______________
13_______________
14_______________
15_______________
[[G, T, E, A, D, P, C], [E, I, S, O, N, G, M], [M, S, T, U, R, O, J], [E, *, L, A, R, I, A]]
Moves played: 0
Player 1's move
72 tiles remain in bag
Player 1: 0
Player 2: 0
Player 3: 0
Player 4: 0

Make Move

  • scrabble.main.ScrabbleGame.place_word(word, start_location, is_vertical_move)

Place a word from the rack of the next player onto the board. If the move is legal you will be prompted as to whether or not the move was successfully challenged. If the move goes through through then the method will return True. If the move is illegal you will not receive a challenge prompt and the method will return False.

>>> game.place_word(word='GATE', start_location=('h', 8), is_vertical_move=False)
Challenge successful (Y/N)N
True

>>> game
  abcdefghijklmno
1 _______________
2 _______________
3 _______________
4 _______________
5 _______________
6 _______________
7 _______________
8 _______GATE____
9 _______________
10_______________
11_______________
12_______________
13_______________
14_______________
15_______________
[[D, P, C, O, E, F, N], [E, I, S, O, N, G, M], [M, S, T, U, R, O, J], [E, *, L, A, R, I, A]]
Moves played: 1
Player 2's move
68 tiles remain in bag
Player 1: 10
Player 2: 0
Player 3: 0
Player 4: 0

Find Best Move (Brute Force)

  • scrabble.main.ScrabbleGame.get_best_move()

Find the best move via brute-force search. Returns the move score and move tuple of the form (location, word, is_vertical_move).

>>> game.get_best_move()

(27, (('l', 4), 'EGOISM', True))

Exchange Tiles

  • scrabble.main.ScrabbleGame.exchange(letter_list)

Exchange up to all a player's rack tiles as long as the bag has at least one entire rack of tiles remaining.

>>> game.exchange(letter_list=['E', 'I', 'S', 'O'])
True

>>> game
  abcdefghijklmno
1 _______________
2 _______________
3 _______________
4 _______________
5 _______________
6 _______________
7 _______________
8 _______GATE____
9 _______________
10_______________
11_______________
12_______________
13_______________
14_______________
15_______________
[[D, P, C, O, E, F, N], [A, P, R, M, N, G, M], [M, S, T, U, R, O, J], [E, *, L, A, R, I, A]]
Moves played: 1
Player 3's move
68 tiles remain in bag
Player 1: 10
Player 2: 0
Player 3: 0
Player 4: 0

Conclude Game

  • scrabble.main.ScrabbleGame.conclude_game(empty_rack_id=None)

Calculates final scores and declares a winner. This method will automatically be called and bonuses automatically awarded if one player has an empty rack (plays out) when the tile bag is empty.

>>> game.conclude_game()
Game Over! Player 1 wins with a score of 10
You can’t perform that action at this time.