SmirnovaVYu #380
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@ -1,56 +0,0 @@
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from abc import ABC, abstractmethod
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from models import Cell, Maze
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class MazeBuilder(ABC):
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@abstractmethod
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def build_from_file(self, filename: str) -> Maze:
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pass
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class TextFileMazeBuilder(MazeBuilder):
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WALL_CHAR = '#'
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START_CHAR = 'S'
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EXIT_CHAR = 'E'
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PASS_CHAR = ' '
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def build_from_file(self, filename: str) -> Maze:
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with open(filename, 'r', encoding='utf-8') as f:
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lines = [line.rstrip('\n') for line in f.readlines()]
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if not lines:
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raise ValueError("Файл с лабиринтом пуст")
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height = len(lines)
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width = max(len(line) for line in lines)
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maze = Maze(width, height)
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for y, line in enumerate(lines):
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for x, ch in enumerate(line):
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if x >= width:
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continue
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cell = Cell(x, y)
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if ch == self.WALL_CHAR:
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cell.is_wall = True
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elif ch == self.START_CHAR:
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cell.is_start = True
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elif ch == self.EXIT_CHAR:
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cell.is_exit = True
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elif ch == self.PASS_CHAR:
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pass
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else:
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cell.is_wall = True
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maze.set_cell(x, y, cell)
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if maze.start is None:
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raise ValueError("В лабиринте нет стартовой клетки (S)")
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if maze.exit is None:
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raise ValueError("В лабиринте нет выхода (E)")
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return maze
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