2026-rff_mp/groshevava/docs/data/observers.py

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import os
from abc import ABC, abstractmethod
from typing import Optional, List
from models import Maze, Cell
class Observer(ABC):
@abstractmethod
def update(self, event: str, data=None):
pass
class ConsoleView(Observer):
WALL_CHAR = ''
START_CHAR = 'S'
EXIT_CHAR = 'E'
PATH_CHAR = ''
PLAYER_CHAR = 'P'
PASSAGE_CHAR = ' '
def update(self, event: str, data=None):
if event == "search_started":
print(f"\n Запущен поиск с помощью: {data['strategy']}")
elif event == "path_found":
stats = data['stats']
print(f" Путь найден! {stats}")
elif event == "path_not_found":
stats = data['stats']
print(f" Путь НЕ найден. {stats}")
elif event == "step":
self.render(data['maze'], data['current'], data.get('path'))
@staticmethod
def render(maze: Maze, player_pos: Optional[Cell] = None, path: Optional[List[Cell]] = None):
os.system('cls' if os.name == 'nt' else 'clear')
path_set = set(path) if path else set()
print("" + "" * maze.width + "")
for y in range(maze.height):
row_str = ""
for x in range(maze.width):
cell = maze.getCell(x, y)
if player_pos and cell == player_pos:
row_str += ConsoleView.PLAYER_CHAR
elif cell.isStart:
row_str += ConsoleView.START_CHAR
elif cell.isExit:
row_str += ConsoleView.EXIT_CHAR
elif cell in path_set:
row_str += ConsoleView.PATH_CHAR
elif cell.isWall:
row_str += ConsoleView.WALL_CHAR
else:
row_str += ConsoleView.PASSAGE_CHAR
row_str += ""
print(row_str)
print("" + "" * maze.width + "")