fix module 'eventlet.hubs.hub' has no attribute 'Hub' 错误

code-server-like/app/__init__.py

@@ -10,17 +10,18 @@ eventlet.monkey_patch()
 
 # 配置 eventlet hub 以更优雅地处理所有错误
 try:
-    from eventlet.hubs import hub
     from eventlet import hubs
+    import eventlet
     import traceback
     
+    # 获取当前的 hub 实例
+    current_hub = hubs.get_hub()
+    
     # 保存原始的方法
-    original_handle_error = hub.Hub.handle_error
+    original_handle_error = hubs.handle_error
-    original_switch = hubs.hub.Hub.switch
-    original_fire_timers = hubs.hub.Hub.fire_timers
     original_trampoline = hubs.trampoline
     
-    def custom_handle_error(self, context, type, value, tb):
+    def custom_handle_error(context, type, value, tb):
         # 捕获并打印所有 eventlet.hubs 相关错误，不再往外raise
         print(f"[Eventlet Hub Error] Type: {type.__name__}, Value: {value}")
         print(f"[Context] {context}")
@@ -28,28 +29,6 @@ try:
         traceback.print_tb(tb)
         # 不再调用原始方法，直接返回，不往外传播错误
     
-    def custom_switch(self):
-        try:
-            return original_switch(self)
-        except Exception as e:
-            # 捕获 switch 方法中所有异常
-            print(f"[Eventlet Switch Error] {type(e).__name__}: {e}")
-            print("[Traceback]")
-            traceback.print_exc()
-            # 返回 None 继续运行，不往外传播错误
-            return None
-    
-    def custom_fire_timers(self):
-        try:
-            return original_fire_timers(self)
-        except Exception as e:
-            # 捕获 fire_timers 方法中所有异常
-            print(f"[Eventlet Fire Timers Error] {type(e).__name__}: {e}")
-            print("[Traceback]")
-            traceback.print_exc()
-            # 返回继续运行，不往外传播错误
-            return
-    
     def custom_trampoline(fd, read=False, write=False, timeout=None, timeout_exc=None):
         try:
             return original_trampoline(fd, read, write, timeout, timeout_exc)
@@ -63,9 +42,7 @@ try:
             return None
     
     # 替换原始方法
-    hub.Hub.handle_error = custom_handle_error
+    hubs.handle_error = custom_handle_error
-    hubs.hub.Hub.switch = custom_switch
-    hubs.hub.Hub.fire_timers = custom_fire_timers
     hubs.trampoline = custom_trampoline
     
     # 同样处理 greenio 模块的所有相关方法，捕获所有异常
@@ -153,31 +130,6 @@ try:
         # 如果修改失败，忽略错误
         print(f"[WSGI Patch Error] {e}")
     
-    # 修改 eventlet 所有可能抛出异常的核心方法
-    # 遍历 hub.Hub 类的所有方法，包装可能抛出异常的方法
-    for method_name in dir(hub.Hub):
-        if not method_name.startswith('_'):
-            method = getattr(hub.Hub, method_name)
-            if callable(method):
-                def wrap_method(original_method):
-                    def wrapped_method(self, *args, **kwargs):
-                        try:
-                            return original_method(self, *args, **kwargs)
-                        except Exception as e:
-                            print(f"[Eventlet Hub Method Error] {method_name}: {type(e).__name__}: {e}")
-                            print("[Traceback]")
-                            traceback.print_exc()
-                            # 返回适当的默认值
-                            if method_name == 'add':
-                                return None
-                            elif method_name == 'remove':
-                                return None
-                            return None
-                    return wrapped_method
-                
-                # 替换原始方法
-                setattr(hub.Hub, method_name, wrap_method(method))
-                
     print("[Eventlet Error Handling] All eventlet.hubs errors will be caught and printed, not raised")
 except Exception as e:
     # 如果修改失败，打印错误但继续运行