django doesnt wait for my time.sleep

[dk]

i am using matplotlib to generate a plot/graph,  even do that python is generating the file and saving it so I can use it later on in my web page, django show the page before the process finish,

so I decided to put a time.sleep(3)  so it wait 3 sec while all this happen, but doesn't respect that =(

any ideas why that might happen or a workaround?  

I usually get in my web page an old plot so I have to click refresh on the page to get the new actual one =(.

thank.s

[Erik Cederstrand]

> Den 04/03/2015 kl. 18.03 skrev dk <dem...@gmail.com>:
>
> i am using matplotlib to generate a plot/graph, even do that python is generating the file and saving it so I can use it later on in my web page, django show the page before the process finish,
> so I decided to put a time.sleep(3) so it wait 3 sec while all this happen, but doesn't respect that =(
>
> any ideas why that might happen or a workaround?

Please post the relevant code. Without that, it's really just quesswork.

Erik

[Bill Freeman]

Sleeping in a web server, which potentially has many users, is considered bad form, even if it works.  A better place for such time outs is in JavaScript in the browser.  Some designs use a view that the JavaScript (or user) can poll to determine when the resource is available.

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[Vijay Khemlani]

Also, why would matplotlib return without having finished its job?

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