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solution2.py
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executable file
·102 lines (75 loc) · 2.83 KB
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#!/usr/bin/env python3
"""Tic-Tac-Toe"""
import argparse
import re
# --------------------------------------------------
def get_args():
"""Get command-line arguments"""
parser = argparse.ArgumentParser(
description='Tic-Tac-Toe',
formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-b',
'--board',
help='The state of the board',
metavar='board',
type=str,
default='.' * 9)
parser.add_argument('-p',
'--player',
help='Player',
choices='XO',
metavar='player',
type=str,
default=None)
parser.add_argument('-c',
'--cell',
help='Cell 1-9',
metavar='cell',
type=int,
choices=range(1, 10),
default=None)
args = parser.parse_args()
if any([args.player, args.cell]) and not all([args.player, args.cell]):
parser.error('Must provide both --player and --cell')
if not re.search('^[.XO]{9}$', args.board):
parser.error(f'--board "{args.board}" must be 9 characters of ., X, O')
if args.player and args.cell and args.board[args.cell - 1] in 'XO':
parser.error(f'--cell "{args.cell}" already taken')
return args
# --------------------------------------------------
def main():
"""Make a jazz noise here"""
args = get_args()
board = list(args.board)
if args.player and args.cell:
board[args.cell - 1] = args.player
print(format_board(board))
winner = find_winner(board)
print(f'{winner} has won!' if winner else 'No winner.')
# --------------------------------------------------
def format_board(board):
"""Format the board"""
cells = []
for i, char in enumerate(board, start=1):
cells.append(str(i) if char == '.' else char)
bar = '-------------'
cells_tmpl = '| {} | {} | {} |'
return '\n'.join([
bar,
cells_tmpl.format(cells[0], cells[1], cells[2]), bar,
cells_tmpl.format(cells[3], cells[4], cells[5]), bar,
cells_tmpl.format(cells[6], cells[7], cells[8]), bar
])
# --------------------------------------------------
def find_winner(board):
"""Return the winner"""
winning = [[0, 1, 2], [3, 4, 5], [6, 7, 8], [0, 3, 6], [1, 4, 7],
[2, 5, 8], [0, 4, 8], [2, 4, 6]]
for combo in winning:
group = list(map(lambda i: board[i], combo))
for player in ['X', 'O']:
if all(x == player for x in group):
return player
# --------------------------------------------------
if __name__ == '__main__':
main()