utils.py 文件源码

def get_current_request() -> IRequest:
    """
    Return the current request by heuristically looking it up from stack
    """
    try:
        task_context = aiotask_context.get('request')
        if task_context is not None:
            return task_context
    except (ValueError, AttributeError, RuntimeError):
        pass

    # fallback
    frame = inspect.currentframe()
    while frame is not None:
        request = getattr(frame.f_locals.get('self'), 'request', None)
        if request is not None:
            return request
        elif isinstance(frame.f_locals.get('request'), Request):
            return frame.f_locals['request']
        frame = frame.f_back
    raise RequestNotFound(RequestNotFound.__doc__)