Update app.py

app.py

@@ -140,8 +140,18 @@ def visualize_path(start_x, start_y, goal_x, goal_y, algorithm):
         color = '#FF0000'
         title = "Bellman-Ford Algorithm"
     
-    # Arka plan resmini yükle
-    bg_img = Image.open('static/images/map.jpg')
+    # Arka plan resmini yükle - absolute path
+    import os
+    base_dir = os.path.dirname(os.path.abspath(__file__))
+    img_path = os.path.join(base_dir, 'static', 'images', 'map.jpg')
+    
+    if not os.path.exists(img_path):
+        print(f"Image not found at: {img_path}")
+        print(f"Current dir: {os.getcwd()}")
+        print(f"Files in current dir: {os.listdir('.')}")
+        raise FileNotFoundError(f"Map image not found at {img_path}")
+    
+    bg_img = Image.open(img_path)
     bg_width, bg_height = bg_img.size
     
     # Her hücrenin piksel boyutu
@@ -209,22 +219,28 @@ def index():
 
 @app.route('/find_path', methods=['POST'])
 def find_path():
-    data = request.json
-    start_x = int(data['start_x'])
-    start_y = int(data['start_y'])
-    goal_x = int(data['goal_x'])
-    goal_y = int(data['goal_y'])
-    algorithm = data['algorithm']
-    
-    img = visualize_path(start_x, start_y, goal_x, goal_y, algorithm)
-    
-    # PIL Image'i base64'e çevir
-    buf = io.BytesIO()
-    img.save(buf, format='PNG')
-    buf.seek(0)
-    img_base64 = base64.b64encode(buf.getvalue()).decode('utf-8')
-    
-    return jsonify({'image': f'data:image/png;base64,{img_base64}'})
+    try:
+        data = request.json
+        start_x = int(data['start_x'])
+        start_y = int(data['start_y'])
+        goal_x = int(data['goal_x'])
+        goal_y = int(data['goal_y'])
+        algorithm = data['algorithm']
+        
+        img = visualize_path(start_x, start_y, goal_x, goal_y, algorithm)
+        
+        # PIL Image'i base64'e çevir
+        buf = io.BytesIO()
+        img.save(buf, format='PNG')
+        buf.seek(0)
+        img_base64 = base64.b64encode(buf.getvalue()).decode('utf-8')
+        
+        return jsonify({'image': f'data:image/png;base64,{img_base64}'})
+    except Exception as e:
+        print(f"Error: {str(e)}")
+        import traceback
+        traceback.print_exc()
+        return jsonify({'error': str(e)}), 500
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=7860, debug=False)
+    app.run(host="0.0.0.0", port=7860, debug=True)