現象：

Traceback (most recent call last):
  File "src\\gevent\\greenlet.py", line 908, in gevent._gevent_cgreenlet.Greenlet.run
  File "************\venv\lib\site-packages\flask\ctx.py", line 157, in wrapper
    return f(*args, **kwargs)
  File "************\venv\lib\site-packages\flask\ctx.py", line 464, in __exit__
    self.auto_pop(exc_value)
  File "************\venv\lib\site-packages\flask\ctx.py", line 452, in auto_pop
    self.pop(exc)
  File "************\venv\lib\site-packages\flask\ctx.py", line 438, in pop
    app_ctx.pop(exc)
  File "************\venv\lib\site-packages\flask\ctx.py", line 241, in pop
    assert rv is self, "Popped wrong app context.  (%r instead of %r)" % (rv, self)
AssertionError: Popped wrong app context.  (<flask.ctx.AppContext object at 0x000001DD7CF510F0> instead of <flask.ctx.AppContext object at 0x000001DD7CFBA5C0>)
2023-05-31T02:26:16Z <Greenlet at 0x1dd7cf79048: handle_data(<Queue at 0x1dd7cf7de80>, sid_spaces={'ws': <geventwebsocket.websocket.WebSocket object)> failed with AssertionError

• 在處理完畢相關事情，外部連接斷開時，移除對棧中本次協程上下文
• 不影響業務邏輯。

原因分析：

• 使用時條件：flask、gevent、copy_current_request_context

解決辦法：

• 解決策略：在創建協程時，拷貝request的等上下文之前，應創建app上下文
• 方案：

def copy_current_app_context(f):
    from flask.globals import _app_ctx_stack
    tx = _app_ctx_stack.top

    def wrapper(*args, **kwargs):
        with tx:
            return f(*args, **kwargs)

    return wrapper