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sample.py
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sample.py
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import json
PLAYER_ARG = {
"name": "players",
"type": "int",
"min": 2,
"max": 2,
"description": "number of players"
}
def read_json():
content = input()
opening_curly_brackets = content.count("{")
closing_curly_brackets = content.count("}")
while opening_curly_brackets < 1 or closing_curly_brackets != opening_curly_brackets:
content += input()
opening_curly_brackets = content.count("{")
closing_curly_brackets = content.count("}")
content = content.strip()
content = json.loads(content)
return content
def print_error(type, **kwargs):
quit = kwargs.pop("fatal", False)
d = {"type": type}
d.update(kwargs)
print(json.dumps({"errors": [d]}, indent=2))
if quit:
exit()
def init(grid):
content = read_json()
if "init" not in content:
print_error("BAD_FORMAT",
message="init key is missing",
fatal=True)
init_content = content["init"]
if "players" not in init_content:
print_error("MISSING_ARGUMENT",
arg=PLAYER_ARG,
fatal=True)
if init_content["players"] != 2:
print_error("INCORRECT_VALUE",
arg=PLAYER_ARG,
value=init_content["players"],
fatal=True)
if len(init_content) > 1:
for k, v in init_content.items():
if k != "players":
print_error("UNEXPECTED_ARGUMENT",
argname=k,
value=v,
fatal=True)
print(json.dumps(grid.current_instructions, indent=2))
def turn(grid):
content = read_json()
if "actions" not in content:
print_error("BAD_FORMAT",
message="actions key is missing")
return False
actions = content["actions"]
if not isinstance(actions, list):
print_error("BAD_FORMAT",
message="actions value is not a list")
return False
if len(actions) != 1:
print_error("BAD_FORMAT",
message="exactly one action is expected")
return False
action = actions[0]
if not isinstance(action, dict):
print_error("BAD_FORMAT",
message="action is not a dict containing player, x and y values")
if not {"x", "y", "player"}.issubset(action.keys()):
print_error("BAD_FORMAT",
message="action is not a dict containing player, x and y values")
if int(action["player"]) != grid.current_player:
print_error("MISSING_ACTION",
player=grid.current_player,
requested_action=grid.current_action)
return False
try:
score = grid.click(int(action["x"]), int(action["y"]))
except AttributeError:
print_error("WRONG_ACTION",
subtype="OUT_OF_ZONE",
player=grid.current_player,
action=action,
requested_action=grid.current_action)
return False
print(json.dumps(grid.current_instructions, indent=2))
return score != 0
def str_all_values(content):
if isinstance(content, dict):
for k, v in content.items():
content[k] = str_all_values(v)
elif isinstance(content, list):
for i, v in enumerate(content):
content[i] = str_all_values(v)
else:
content = str(content)
return content
class Grid:
def __init__(self, case_size=100):
self.__case_size = case_size
self.__grid = [[0] * 3 for x in range(3)]
self.__current_player = 1
def check_winner(self):
grid = self.__grid
for i in range(3):
if grid[0][i] != 0:
if all(grid[j][i] == grid[0][i] for j in range(1, 3)):
return grid[0][i]
if grid[i][0] != 0:
if all(grid[i][j] == grid[i][0] for j in range(1, 3)):
return grid[i][0]
if grid[0][0] != 0:
if all(grid[j][j] == grid[0][0] for j in range(1, 3)):
return grid[0][0]
if grid[0][2] != 0:
if all(grid[j][2 - j] == grid[0][2] for j in range(1, 3)):
return grid[0][2]
return 0
def click(self, x, y):
x = x // self.__case_size
y = y // self.__case_size
if x < 0 or x > 2:
raise AttributeError("x not in range")
if y < 0 or y > 2:
raise AttributeError("y not in range")
if self.__grid[x][y] != 0:
raise AttributeError("case already taken")
self.__grid[x][y] = self.__current_player
self.__current_player = 1 if self.__current_player == 2 else 2
return self.check_winner()
@property
def clickable_zones(self):
zones = []
for x in range(3):
for y in range(3):
if self.__grid[x][y] == 0:
zones.append({
"x": x * self.__case_size,
"y": y * self.__case_size,
"width": self.__case_size,
"height": self.__case_size
})
return zones
@property
def current_player(self):
return self.__current_player
@property
def current_action(self):
return {
"type": "CLICK",
"player": self.current_player,
"zones": self.clickable_zones
}
@property
def current_display(self):
content = [
{"tag": "style", "content": "line{stroke:black;stroke-width:4;}"}
]
for i in range(1, 3):
content.append({
"tag": "line",
"x1": 0,
"y1": i * self.__case_size,
"x2": 3 * self.__case_size,
"y2": i * self.__case_size
})
content.append({
"tag": "line",
"x1": i * self.__case_size,
"y1": 0,
"x2": i * self.__case_size,
"y2": 3 * self.__case_size
})
for x in range(3):
for y in range(3):
if self.__grid[x][y] == 0:
continue
color = "blue"
if self.__grid[x][y] == 2:
color = "red"
content.append({
"tag": "circle",
"cx": int((0.5 + x) * self.__case_size),
"cy": int((0.5 + y) * self.__case_size),
"r": self.__case_size // 3,
"fill": color
})
return str_all_values({
"width": self.__case_size * 3,
"height": self.__case_size * 3,
"content": content
})
@property
def current_instructions(self):
display = self.current_display
scores = [0, 0]
game_over = False
winner = self.check_winner()
if winner:
game_over = True
scores[winner - 1] = 1
return {
"displays": [{**display, "player": 1}, {**display, "player": 2}],
"requested_actions": [self.current_action],
"game_state": {
"scores": scores,
"game_over": game_over
}
}
if __name__ == "__main__":
grid = Grid()
init(grid)
while not turn(grid):
pass