добавлен код builders

komissarovgo/docs2/data2/maze_lab/builders.py

@@ -0,0 +1,59 @@
+from abc import ABC, abstractmethod
+from typing import List
+from models import Cell, Maze
+
+
+class MazeBuilder(ABC):
+    
+    
+    @abstractmethod
+    def build_from_file(self, filename: str) -> Maze:
+        pass
+
+
+class TextFileMazeBuilder(MazeBuilder):
+    
+    
+    def build_from_file(self, filename: str) -> Maze:
+        with open(filename, 'r', encoding='utf-8') as file:
+            lines = [line.rstrip('\n') for line in file.readlines()]
+        
+        if not lines:
+            raise ValueError("Файл пуст")
+        
+        height = len(lines)
+        width = max(len(line) for line in lines)
+        
+        maze = Maze(width, height)
+        cells = []
+        
+        for y, line in enumerate(lines):
+            row = []
+            for x in range(width):
+                if x < len(line):
+                    char = line[x]
+                else:
+                    char = ' '
+                
+                cell = Cell(x, y)
+                
+                if char == '#':
+                    cell.is_wall = True
+                elif char == 'S':
+                    cell.is_start = True
+                elif char == 'E':
+                    cell.is_exit = True
+                else:
+                    cell.is_wall = False
+                
+                row.append(cell)
+            cells.append(row)
+        
+        maze.set_cells(cells)
+        
+        if maze.start is None:
+            raise ValueError("Нет стартовой клетки (S)")
+        if maze.exit is None:
+            raise ValueError("Нет выходной клетки (E)")
+        
+        return maze