2026-rff_mp/pogodinda/lab2/src/observer.py

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from abc import ABC, abstractmethod
from typing import List, Optional
from maze import Maze, Cell
class Observer(ABC):
"""Интерфейс наблюдателя (Observer pattern)."""
@abstractmethod
def update(self, event: str):
pass
class ConsoleView(Observer):
"""
Консольное представление лабиринта.
"""
def __init__(self):
self.events: List[str] = []
def update(self, event: str):
"""Получаем уведомление о событии."""
self.events.append(event)
print(f"[Observer] Событие: {event}")
def render(self, maze: Maze, player_position: Cell = None, path: List[Cell] = None):
"""
Отрисовка лабиринта в консоли.
"""
path_set = set(path) if path else set()
for y in range(maze.height):
row = []
for x in range(maze.width):
cell = maze.get_cell(x, y)
if player_position and cell == player_position:
row.append('P')
elif cell in path_set:
row.append('*')
else:
row.append(str(cell))
print(''.join(row))
print()
def render_stats(self, stats):
"""Отрисовка статистики поиска."""
print(f"Алгоритм: {stats.algorithm_name}")
print(f"Время: {stats.time_ms:.4f} мс")
print(f"Посещено клеток: {stats.visited_cells}")
print(f"Длина пути: {stats.path_length}")