2 этап

nikolaevda/task2/Zadanie2.py

@@ -53,4 +53,49 @@ class Maze:
         cell = self.get_cell(x, y)
         if cell:
             cell.is_exit = True
-            self.exit = cell
+            self.exit = cell
+
+
+
+class MazeBuilder:
+    """интерфейс строителя лабиринта"""
+    
+    def buildFromFile(self, filename):
+        raise NotImplementedError
+
+
+class TextFileMazeBuilder(MazeBuilder):
+    """загрузка лабиринта из текстового файла"""
+    
+    def buildFromFile(self, filename):
+        with open(filename, 'r', encoding='utf-8') as f:
+            lines = [line.rstrip('\n') for line in f.readlines()]
+        
+        height = len(lines)
+        width = max(len(line) for line in lines) if height > 0 else 0
+        
+        for i in range(height):
+            if len(lines[i]) < width:
+                lines[i] = lines[i] + ' ' * (width - len(lines[i]))
+        
+        maze = Maze(width, height)
+        start_count = 0
+        exit_count = 0
+        
+        for y, line in enumerate(lines):
+            for x, ch in enumerate(line):
+                if ch == '#':
+                    maze.get_cell(x, y).is_wall = True
+                elif ch == 'S':
+                    maze.set_start(x, y)
+                    start_count += 1
+                elif ch == 'E':
+                    maze.set_exit(x, y)
+                    exit_count += 1
+                else:
+                    maze.get_cell(x, y).is_wall = False
+        
+        if start_count != 1 or exit_count != 1:
+            raise ValueError(f"Ошибка: S={start_count}, E={exit_count} (нужно по одному)")
+        
+        return maze