Програмиране с Python

Курс във Факултета по Математика и Информатика към СУ

Решение на Питоните хапят! от Добринка Табакова

Обратно към всички решения

Към профила на Добринка Табакова

Резултати

  • 5 точки от тестове
  • 1 бонус точка
  • 6 точки общо
  • 11 успешни тест(а)
  • 2 неуспешни тест(а)

Код

class WorldLine(dict):
def __init__(self, width):
dict.__init__(self)
self.width = width
def __getitem__(self, row):
if row < 0 or row >= self.width:
raise IndexError(Exception)
return self.get(row, Cell())
class World():
def __init__(self, width):
self.width = width
self.world = {}
for i in range(width):
world_line = WorldLine(width)
self.world[i] = world_line
def __str__(self):
result = ""
for i in range(self.width):
for j in range(self.width):
world_object = self.world[i][j].contents
result += self.__render_world_object(world_object)
result += "\n"
return result
def __render_world_object(self, world_object):
if world_object is None:
return ".."
elif type(world_object) == Food:
return "<3"
elif type(world_object) == PythonPart:
return "##"
elif type(world_object) == PythonHead:
return "@@"
def __getitem__(self, row):
if row < 0 or row >= self.width:
raise IndexError(Exception)
return self.world[row]
def __len__(self):
return self.width
class WorldObject:
pass
class Food(WorldObject):
def __init__(self, energy=0):
self.energy = energy
class PythonPart(WorldObject):
def __init__(self, coords=None):
self.coords = coords
class PythonHead(PythonPart):
pass
class Cell:
def __init__(self, world_object=None):
self.contents = world_object
if world_object and not isinstance(world_object, WorldObject):
raise TypeError(Exception)
def is_empty(self):
return (self.contents is None)
class Vec2D(tuple):
def __new__(self, x, y):
return tuple.__new__(self, (x, y))
def __init__(self, x, y):
self.x = x
self.y = y
def __add__(self, other):
return Vec2D(self[0] + other[0], self[1] + other[1])
def __mul__(self, scalar):
return Vec2D(self[0]*scalar, self[1]*scalar)
def __sub__(self, other):
return Vec2D(self[0] - other[0], self[1] - other[1])
def __neg__(self):
return self*-1
class Python:
LEFT = Vec2D(0, -1)
RIGHT = Vec2D(0, 1)
UP = Vec2D(-1, 0)
DOWN = Vec2D(1, 0)
def __init__(self, world, coords, size, direction):
self.world = world
if not self.are_coords_valid(coords):
raise Death(Exception)
self.size = size
self.direction = direction
self.head = PythonHead(coords)
self.world[coords.x][coords.y] = Cell(self.head)
self.py = [self.head]
for i in range(size):
py_part_coords = self.py[i].coords+(direction*-1)
if not self.are_coords_valid(py_part_coords):
raise Death(Exception)
py_part = PythonPart(py_part_coords)
self.py.append(py_part)
self.world[py_part_coords.x][py_part_coords.y] = Cell(py_part)
def are_coords_valid(self, coords):
if ((coords.x < 0) or (coords.y < 0) or
(coords.x >= len(self.world)) or
(coords.y >= len(self.world)) or
(not self.world[coords.x][coords.y].is_empty() and
type(self.world[coords.x][coords.y].contents) != Food)):
return False
return True
def move(self, direction):
if self.direction == -direction:
raise Death(Exception)
self.direction = direction
head_new_coords = self.head.coords+direction
if not self.are_coords_valid(head_new_coords):
raise Death(Exception)
head_old_coords = self.head.coords
new_py_part = PythonPart(Vec2D(head_old_coords.x, head_old_coords.y))
self.py.insert(1, new_py_part)
self.world[head_old_coords.x][head_old_coords.y] = Cell(new_py_part)
contents = self.world[head_new_coords.x][head_new_coords.y].contents
if (type(contents) == Food):
self.size += 1
else:
last_part_coords = self.py.pop().coords
self.world[last_part_coords.x][last_part_coords.y] = Cell()
self.head.coords = head_new_coords
self.world[head_new_coords.x][head_new_coords.y] = Cell(self.head)
class IndexError(Exception):
pass
class Death(Exception):
pass

Лог от изпълнението

.E...E.......
======================================================================
ERROR: test_move_backwards (test.PythonTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130606-14014-zbe0h8/test.py", line 105, in test_move_backwards
    py.move(-direction)
  File "/tmp/d20130606-14014-zbe0h8/solution.py", line 138, in move
    raise Death(Exception)
solution.Death: <class 'Exception'>

======================================================================
ERROR: test_snake_death (test.PythonTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "lib/language/python/runner.py", line 60, in thread
    raise it.exc_info[1]
  File "lib/language/python/runner.py", line 48, in run
    self.result = func(*args, **kwargs)
  File "/tmp/d20130606-14014-zbe0h8/test.py", line 59, in test_snake_death
    py2 = Python(world, Vec2D(8, 5), 3, Python.UP)
  File "/tmp/d20130606-14014-zbe0h8/solution.py", line 111, in __init__
    raise Death(Exception)
solution.Death: <class 'Exception'>

----------------------------------------------------------------------
Ran 13 tests in 0.012s

FAILED (errors=2)

История (2 версии и 3 коментара)

Добринка обнови решението на 12.05.2013 19:06 (преди почти 11 години)

+class WorldLine(dict):
+
+ def __init__(self, width):
+ dict.__init__(self)
+ self.width = width
+
+ def __getitem__(self, row):
+ if row < 0 or row >= self.width:
+ raise IndexError(Exception)
+ return self.get(row, Cell())
+
+
+class World():
+
+ def __init__(self, width):
+ self.width = width
+ self.world = {}
+ for i in range(width):
+ world_line = WorldLine(width)
+ self.world[i] = world_line
+
+ def __str__(self):
+ result = ""
+ for i in range(self.width):
+ for j in range(self.width):
+ world_object = self.world[i][j].contents
+ result += self.__render_world_object(world_object)
+ result += "\n"
+ return result
+
+ def __render_world_object(self, world_object):
+ if world_object is None:
+ return ".."
+ elif type(world_object) == Food:
+ return "<3"
+ elif type(world_object) == PythonPart:
+ return "##"
+ elif type(world_object) == PythonHead:
+ return "@@"
+
+ def __getitem__(self, row):
+ if row < 0 or row >= self.width:
+ raise IndexError(Exception)
+ return self.world[row]
+
+ def __len__(self):
+ return self.width
+
+
+class WorldObject:
+ pass
+
+
+class Food(WorldObject):
+
+ def __init__(self, energy=0):
+ self.energy = energy
+
+
+class PythonPart(WorldObject):
+ def __init__(self, coords=None):
+ self.coords = coords
+
+
+class PythonHead(PythonPart):
+ pass
+
+
+class Cell:
+
+ def __init__(self, world_object=None):
+ self.contents = world_object
+ if world_object and not isinstance(world_object, WorldObject):
+ raise TypeError(Exception)
+
+ def is_empty(self):
+ return (self.contents is None)
+
+
+class Vec2D(tuple):
+ def __new__(self, x, y):
+ return tuple.__new__(self, (x, y))
+
+ def __init__(self, x, y):
+ self.x = x
+ self.y = y
+
+ def __add__(self, other):
+ return Vec2D(self[0] + other[0], self[1] + other[1])
+
+ def __mul__(self, scalar):
+ return Vec2D(self[0]*scalar, self[1]*scalar)
+
+ def __neg__(self):
+ return self*-1
+
+
+class Python:
+
+ LEFT = Vec2D(0, -1)
+ RIGHT = Vec2D(0, 1)
+ UP = Vec2D(-1, 0)
+ DOWN = Vec2D(1, 0)
+
+ def __init__(self, world, coords, size, direction):
+ self.world = world
+ if not self.are_coords_valid(coords):
+ raise Death(Exception)
+
+ self.size = size
+ self.direction = direction
+ self.head = PythonHead(coords)
+ self.world[coords.x][coords.y] = Cell(self.head)
+
+ self.py = [self.head]
+ for i in range(size):
+ py_part_coords = self.py[i].coords+(direction*-1)
+ if not self.are_coords_valid(py_part_coords):
+ raise Death(Exception)
+ py_part = PythonPart(py_part_coords)
+ self.py.append(py_part)
+ self.world[py_part_coords.x][py_part_coords.y] = Cell(py_part)
+
+ def are_coords_valid(self, coords):
+ if ((coords.x < 0) or (coords.y < 0) or
+ (coords.x >= len(self.world)) or
+ (coords.y >= len(self.world)) or
+ (not self.world[coords.x][coords.y].is_empty() and
+ type(self.world[coords.x][coords.y].contents) != Food)):
+ return False
+ return True
+
+ def move(self, direction):
+ if self.direction == -direction:
+ raise Death(Exception)
+
+ self.direction = direction
+ head_new_coords = self.head.coords+direction
+ if not self.are_coords_valid(head_new_coords):
+ raise Death(Exception)
+
+ head_old_coords = self.head.coords
+ new_py_part = PythonPart(Vec2D(head_old_coords.x, head_old_coords.y))
+ self.py.insert(1, new_py_part)
+ self.world[head_old_coords.x][head_old_coords.y] = Cell(new_py_part)
+ contents = self.world[head_new_coords.x][head_new_coords.y].contents
+ if (type(contents) == Food):
+ self.size += 1
+ else:
+ last_part_coords = self.py.pop().coords
+ self.world[last_part_coords.x][last_part_coords.y] = Cell()
+
+ self.head.coords = head_new_coords
+ self.world[head_new_coords.x][head_new_coords.y] = Cell(self.head)
+
+
+class IndexError(Exception):
+ pass
+
+
+class Death(Exception):
+ pass

Добринка обнови решението на 13.05.2013 23:27 (преди почти 11 години)

class WorldLine(dict):
def __init__(self, width):
dict.__init__(self)
self.width = width
def __getitem__(self, row):
if row < 0 or row >= self.width:
raise IndexError(Exception)
return self.get(row, Cell())
class World():
def __init__(self, width):
self.width = width
self.world = {}
for i in range(width):
world_line = WorldLine(width)
self.world[i] = world_line
def __str__(self):
result = ""
for i in range(self.width):
for j in range(self.width):
world_object = self.world[i][j].contents
result += self.__render_world_object(world_object)
result += "\n"
return result
def __render_world_object(self, world_object):
if world_object is None:
return ".."
elif type(world_object) == Food:
return "<3"
elif type(world_object) == PythonPart:
return "##"
elif type(world_object) == PythonHead:
return "@@"
def __getitem__(self, row):
if row < 0 or row >= self.width:
raise IndexError(Exception)
return self.world[row]
def __len__(self):
return self.width
class WorldObject:
pass
class Food(WorldObject):
def __init__(self, energy=0):
self.energy = energy
class PythonPart(WorldObject):
def __init__(self, coords=None):
self.coords = coords
class PythonHead(PythonPart):
pass
class Cell:
def __init__(self, world_object=None):
self.contents = world_object
if world_object and not isinstance(world_object, WorldObject):
raise TypeError(Exception)
def is_empty(self):
return (self.contents is None)
class Vec2D(tuple):
def __new__(self, x, y):
return tuple.__new__(self, (x, y))
def __init__(self, x, y):
self.x = x
self.y = y
def __add__(self, other):
return Vec2D(self[0] + other[0], self[1] + other[1])
def __mul__(self, scalar):
return Vec2D(self[0]*scalar, self[1]*scalar)
+ def __sub__(self, other):
+ return Vec2D(self[0] - other[0], self[1] - other[1])
+
def __neg__(self):
return self*-1
class Python:
LEFT = Vec2D(0, -1)
RIGHT = Vec2D(0, 1)
UP = Vec2D(-1, 0)
DOWN = Vec2D(1, 0)
def __init__(self, world, coords, size, direction):
self.world = world
if not self.are_coords_valid(coords):
raise Death(Exception)
self.size = size
self.direction = direction
self.head = PythonHead(coords)
self.world[coords.x][coords.y] = Cell(self.head)
self.py = [self.head]
for i in range(size):
py_part_coords = self.py[i].coords+(direction*-1)
if not self.are_coords_valid(py_part_coords):
raise Death(Exception)
py_part = PythonPart(py_part_coords)
self.py.append(py_part)
self.world[py_part_coords.x][py_part_coords.y] = Cell(py_part)
def are_coords_valid(self, coords):
if ((coords.x < 0) or (coords.y < 0) or
(coords.x >= len(self.world)) or
(coords.y >= len(self.world)) or
(not self.world[coords.x][coords.y].is_empty() and
type(self.world[coords.x][coords.y].contents) != Food)):
return False
return True
def move(self, direction):
if self.direction == -direction:
raise Death(Exception)
-
+
self.direction = direction
head_new_coords = self.head.coords+direction
if not self.are_coords_valid(head_new_coords):
raise Death(Exception)
head_old_coords = self.head.coords
new_py_part = PythonPart(Vec2D(head_old_coords.x, head_old_coords.y))
self.py.insert(1, new_py_part)
self.world[head_old_coords.x][head_old_coords.y] = Cell(new_py_part)
contents = self.world[head_new_coords.x][head_new_coords.y].contents
if (type(contents) == Food):
self.size += 1
else:
last_part_coords = self.py.pop().coords
self.world[last_part_coords.x][last_part_coords.y] = Cell()
self.head.coords = head_new_coords
self.world[head_new_coords.x][head_new_coords.y] = Cell(self.head)
class IndexError(Exception):
pass
class Death(Exception):
pass