await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated redirects were followed, only includes the final request. start_time: Time at which the HTTP operation started, based on time.time [https://docs.python.org/3.6/library/time.html#time.time] (not the monotonic httputil.HTTPMessageDelegate[source] This method is called by the server when a new request has started. server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection. request_conn

await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated redirects were followed, only includes the final request. start_time: Time at which the HTTP operation started, based on time.time [https://docs.python.org/3.6/library/time.html#time.time] (not the monotonic httputil.HTTPMessageDelegate[source] This method is called by the server when a new request has started. server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection. request_conn

while True: await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated were followed, only includes the final request. • start_time: Time at which the HTTP operation started, based on time.time (not the monotonic clock used by IOLoop.time). May be None if the request timed start_request(server_conn, request_conn) This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connec-

while True: await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated were followed, only includes the final request. • start_time: Time at which the HTTP operation started, based on time.time (not the monotonic clock used by IOLoop.time). May be None if the request timed tor- nado.httputil.HTTPMessageDelegate This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connec-

while True: await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated were followed, only includes the final request. • start_time: Time at which the HTTP operation started, based on time.time (not the monotonic clock used by IOLoop.time). May be None if the request timed tor- nado.httputil.HTTPMessageDelegate This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connec-

await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated redirects were followed, only includes the final request. start_time: Time at which the HTTP operation started, based on time.time [https://docs.python.org/3.6/library/time.html#time.time] (not the monotonic start_request(server_conn, request_conn) This method is called by the server when a new request has started. server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection. request_conn

yield do_something() yield gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated start_request(server_conn, request_conn) This method is called by the server when a new request has started. server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection. request_conn IOLoop for the current thread. An IOLoop automatically becomes current for its thread when it is started, but it is sometimes useful to call make_current explicitly before starting the IOLoop, so that code

while True: yield do_something() yield gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated start_request(server_conn, request_conn) This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connec- IOLoop for the current thread. An IOLoop automatically becomes current for its thread when it is started, but it is sometimes useful to call make_current explicitly before starting the IOLoop, so that code

while True: await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated were followed, only includes the final request. • start_time: Time at which the HTTP operation started, based on time.time (not the monotonic clock used by IOLoop.time). May be None if the request timed HTTPConnection) → HTTPMessageDelegate This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection

while True: await do_something() await gen.sleep(60) # Coroutines that loop forever are generally started with # spawn_callback(). IOLoop.current().spawn_callback(minute_loop) Sometimes a more complicated were followed, only includes the final request. • start_time: Time at which the HTTP operation started, based on time.time (not the monotonic clock used by IOLoop.time). May be None if the request timed HTTPConnection) → HTTPMessageDelegate This method is called by the server when a new request has started. Parameters • server_conn – is an opaque object representing the long-lived (e.g. tcp-level) connection