tornado.ioloop — Main event loop IOLoop objects Running an IOLoop I/O events Callbacks and timeouts Debugging and error handling Methods for subclasses tornado.iostream — Convenient wrappers for non-blocking timer. is_running() Return True if this PeriodicCallback has been started. New in version 4.1. Debugging and error handling IOLoop.handle_callback_exception(callback) This method is called whenever a

tornado.ioloop — Main event loop IOLoop objects Running an IOLoop I/O events Callbacks and timeouts Debugging and error handling Methods for subclasses tornado.iostream — Convenient wrappers for non-blocking timer. is_running() Return True if this PeriodicCallback has been started. New in version 4.1. Debugging and error handling IOLoop.handle_callback_exception(callback) This method is called whenever a

timer. is_running() Return True if this PeriodicCallback has been started. New in version 4.1. Debugging and error handling IOLoop.handle_callback_exception(callback) This method is called whenever a

timer. is_running() Return True if this PeriodicCallback has been started. New in version 4.1. Debugging and error handling IOLoop.handle_callback_exception(callback) This method is called whenever a

called while a socket is being torn down: # http://erickt.github.io/blog/2014/11/19/adventures-in-debugging- a-potential-osx-kernel-bug/ # Since the socket is being closed anyway, treat this as an Optional[Dict[str, Any]]: # Look for default host if not behind load balancer (for debugging) if "X-Real-Ip" not in request.headers: if self.host_pattern.match(self.application

called while a socket is being torn down: # http://erickt.github.io/blog/2014/11/19/adventures-in-debugging- a-potential-osx-kernel-bug/ # Since the socket is being closed anyway, treat this as an Optional[Dict[str, Any]]: # Look for default host if not behind load balancer (for debugging) if "X-Real-Ip" not in request.headers: if self.host_pattern.match(self.application