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Решение на Морски шах от Калоян Калудов

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Към профила на Калоян Калудов

Резултати

  • 6 точки от тестове
  • 0 бонус точки
  • 6 точки общо
  • 8 успешни тест(а)
  • 0 неуспешни тест(а)

Код

class InvalidValue(Exception):
pass
class NotYourTurn(Exception):
pass
class InvalidMove(Exception):
pass
class InvalidKey(Exception):
pass
class TicTacToeBoard:
def __init__(self):
self.status = "Game in progress."
self.last_turn = " "
self.moves_played = 0
self.board = [[" "]*3 for x in range(3)]
def __str__(self):
string = (
"\n -------------\n" +
"3 | " + self.board[0][2] +
" | " + self.board[1][2] +
" | " + self.board[2][2] +
" |\n" +
" -------------\n" +
"2 | " + self.board[0][1] +
" | " + self.board[1][1] +
" | " + self.board[2][1] +
" |\n" +
" -------------\n" +
"1 | " + self.board[0][0] +
" | " + self.board[1][0] +
" | " + self.board[2][0] +
" |\n" +
" -------------\n"
" A B C \n")
return string
def _read_coords(self, coords):
if len(coords) > 2:
raise InvalidKey("Invalid coordinates")
try:
x = ord(coords[0]) - ord("A")
y = int(coords[1]) - 1
except Exception:
raise InvalidKey("Invalid coordinates")
if x not in range(3) or y not in range(3):
raise InvalidKey("Invalid coordinates")
return (x, y)
def __getitem__(self, coords):
c = self._read_coords(coords)
return self.board[c[0]][c[1]]
def __setitem__(self, coords, value):
if value not in ("X", "O"):
raise InvalidValue(value)
if value == self.last_turn:
raise NotYourTurn("It's not your turn!")
self.last_turn = value
c = self._read_coords(coords)
if self.board[c[0]][c[1]] != " ":
raise InvalidMove("This field has been taken")
self.board[c[0]][c[1]] = value
self.moves_played += 1
if self.status == "Game in progress.":
self.status = self._check_game_status()
def _check_game_status(self):
for x in range(3):
if self.board[x][0] == self.board[x][1] == self.board[x][2] != " ":
return self.board[x][0] + " wins!"
for y in range(3):
if self.board[0][y] == self.board[1][y] == self.board[2][y] != " ":
return self.board[0][y] + " wins!"
if self.board[0][0] == self.board[1][1] == self.board[2][2] != " ":
return self.board[1][1] + " wins!"
if self.board[2][0] == self.board[1][1] == self.board[0][2] != " ":
return self.board[1][1] + " wins!"
if self.moves_played == 9:
return "Draw!"
return "Game in progress."
def game_status(self):
return self.status

Лог от изпълнението

........
----------------------------------------------------------------------
Ran 8 tests in 0.124s

OK

История (2 версии и 2 коментара)

Калоян обнови решението на 14.04.2013 16:41 (преди над 11 години)

+class InvalidValue(Exception):
+ def __init__(self, value):
+ super(InvalidValue, self).__init__()
+ self.value = value
+
+
+class NotYourTurn(Exception):
+ def __init__(self):
+ super(NotYourTurn, self).__init__()
+
+
+class InvalidMove(Exception):
+ def __init__(self):
+ super(InvalidMove, self).__init__()
+
+
+class InvalidKey(Exception):
+ def __init__(self):
+ super(InvalidKey, self).__init__()
+
+
+class TicTacToeBoard:
+ def __init__(self):
+ self.status = "Game in progress."
+ self.last_turn = " "
+ self.moves_played = 0
+ self.board = [[" "]*3 for x in range(3)]
+
+ def __str__(self):
+ string = (
+ "\n -------------\n" +
+ "3 | " + self.board[0][2] +
+ " | " + self.board[1][2] +
+ " | " + self.board[2][2] +
+ " |\n" +
+ " -------------\n" +
+ "2 | " + self.board[0][1] +
+ " | " + self.board[1][1] +
+ " | " + self.board[2][1] +
+ " |\n" +
+ " -------------\n" +
+ "1 | " + self.board[0][0] +
+ " | " + self.board[1][0] +
+ " | " + self.board[2][0] +
+ " |\n" +
+ " -------------\n"
+ " A B C \n")
+
+ return string
+
+ def _read_coords(self, coords):
+ if len(coords) > 2:
+ raise InvalidKey()
+ return
+
+ try:
+ x = ord(coords[0]) - ord("A")
+ y = int(coords[1]) - 1
+ except Exception:
+ raise InvalidKey()
+ return
+
+ if x not in range(3) or y not in range(3):
+ raise InvalidKey()
+ return
+
+ return (x, y)
+
+ def __getitem__(self, coords):
+ c = self._read_coords(coords)
+ return self.board[c[0]][c[1]]
+
+ def __setitem__(self, coords, value):
+ if value not in ("X", "O"):
+ raise InvalidValue(value)
+ return
+
+ if value == self.last_turn:
+ raise NotYourTurn()
+ return
+
+ self.last_turn = value
+
+ c = self._read_coords(coords)
+
+ if self.board[c[0]][c[1]] != " ":
+ raise InvalidMove()
+ return
+
+ self.board[c[0]][c[1]] = value
+
+ self.moves_played += 1
+
+ if self.status == "Game in progress.":
+ self.status = self._check_game_status()
+
+ def _check_game_status(self):
+ for x in range(3):
+ if self.board[x][0] == self.board[x][1] == self.board[x][2] != " ":
+ return self.board[x][0] + " wins!"
+
+ for y in range(3):
+ if self.board[0][y] == self.board[1][y] == self.board[2][y] != " ":
+ return self.board[0][y] + " wins!"
+
+ if self.board[0][0] == self.board[1][1] == self.board[2][2] != " ":
+ return self.board[1][1] + " wins!"
+
+ if self.board[2][0] == self.board[1][1] == self.board[0][2] != " ":
+ return self.board[1][1] + " wins!"
+
+ if self.moves_played == 9:
+ return "Draw!"
+
+ return "Game in progress."
+
+ def game_status(self):
+ return self.status

По-добрата практика е съобщението при изключение е да се подава като аргумент:

raise NotYourTurn("It's not your turn!")

Ако наследяваш Exception не е нужно да добавяш value атрибут. Неговия конструктор има атрибут args и str(exception) връща първият аргумент подаден на конструктора.

Калоян обнови решението на 14.04.2013 21:22 (преди над 11 години)

class InvalidValue(Exception):
- def __init__(self, value):
- super(InvalidValue, self).__init__()
- self.value = value
+ pass
class NotYourTurn(Exception):
- def __init__(self):
- super(NotYourTurn, self).__init__()
+ pass
class InvalidMove(Exception):
- def __init__(self):
- super(InvalidMove, self).__init__()
+ pass
class InvalidKey(Exception):
- def __init__(self):
- super(InvalidKey, self).__init__()
+ pass
class TicTacToeBoard:
def __init__(self):
self.status = "Game in progress."
self.last_turn = " "
self.moves_played = 0
self.board = [[" "]*3 for x in range(3)]
def __str__(self):
string = (
"\n -------------\n" +
"3 | " + self.board[0][2] +
" | " + self.board[1][2] +
" | " + self.board[2][2] +
" |\n" +
" -------------\n" +
"2 | " + self.board[0][1] +
" | " + self.board[1][1] +
" | " + self.board[2][1] +
" |\n" +
" -------------\n" +
"1 | " + self.board[0][0] +
" | " + self.board[1][0] +
" | " + self.board[2][0] +
" |\n" +
" -------------\n"
" A B C \n")
return string
def _read_coords(self, coords):
if len(coords) > 2:
- raise InvalidKey()
- return
+ raise InvalidKey("Invalid coordinates")
try:
x = ord(coords[0]) - ord("A")
y = int(coords[1]) - 1
except Exception:
- raise InvalidKey()
- return
+ raise InvalidKey("Invalid coordinates")
if x not in range(3) or y not in range(3):
- raise InvalidKey()
- return
+ raise InvalidKey("Invalid coordinates")
return (x, y)
def __getitem__(self, coords):
c = self._read_coords(coords)
return self.board[c[0]][c[1]]
def __setitem__(self, coords, value):
if value not in ("X", "O"):
raise InvalidValue(value)
- return
if value == self.last_turn:
- raise NotYourTurn()
- return
+ raise NotYourTurn("It's not your turn!")
self.last_turn = value
c = self._read_coords(coords)
if self.board[c[0]][c[1]] != " ":
- raise InvalidMove()
- return
+ raise InvalidMove("This field has been taken")
self.board[c[0]][c[1]] = value
self.moves_played += 1
if self.status == "Game in progress.":
self.status = self._check_game_status()
def _check_game_status(self):
for x in range(3):
if self.board[x][0] == self.board[x][1] == self.board[x][2] != " ":
return self.board[x][0] + " wins!"
for y in range(3):
if self.board[0][y] == self.board[1][y] == self.board[2][y] != " ":
return self.board[0][y] + " wins!"
if self.board[0][0] == self.board[1][1] == self.board[2][2] != " ":
return self.board[1][1] + " wins!"
if self.board[2][0] == self.board[1][1] == self.board[0][2] != " ":
return self.board[1][1] + " wins!"
if self.moves_played == 9:
return "Draw!"
return "Game in progress."
def game_status(self):
- return self.status
+ return self.status