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solution2.py
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executable file
·122 lines (95 loc) · 2.74 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()