Note, that will consume one of your web server processes/threads for the entire duration of the processing -- might be better with an async server like gevent.
Anthony On Friday, February 16, 2018 at 6:48:56 PM UTC-5, Val K wrote: > > Just a very simple example using https://github.com/axios/axios > > > def long_load(): > ret = DIV() > ret.append(SCRIPT(_src=URL('static/js','axios.min.js'))) > ret.append(SCRIPT( > """ > function DownLoadTick(e){ > document.getElementById("result").innerHTML = > e.target.response; > }; > function long_load(){ > axios({ > url: 'streamer', > timeout: 1000000, > onDownloadProgress: DownLoadTick, > withCredentials: true > }); > }; > """ > )) > ret.append(DIV(_id='result')) > ret.append(BUTTON('click me', _onclick = 'long_load()')) > return dict(ret=ret) > > def streamer(): > i=0 > while True: > # do something for a long time > time.sleep(1) > yield DIV('part %s' % i).xml() > i+=1 > if i>5: > yield DIV('Done!').xml() > break > > > > > > > On Tuesday, February 13, 2018 at 10:28:13 PM UTC+3, Ramos wrote: >> >> Hello i have a controller that scans a lot of databases searching for >> some data. >> The view in the end gets that data a makes a dashboard. >> >> If the controller takes 10 minutes , the view is blank for 10 minutes and >> that is not a good thing for the user. >> >> How can i have the controller to send the data to the view and the view >> to display data as it is being calculated from the controller? >> Is it possible in a simple manner? >> >> >> >> Regards >> António >> > -- Resources: - http://web2py.com - http://web2py.com/book (Documentation) - http://github.com/web2py/web2py (Source code) - https://code.google.com/p/web2py/issues/list (Report Issues) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to web2py+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
