Python CGI and Browser timeout

Sat Apr 28 11:01:56 EDT 2007

Steve Holden wrote:
> Sebastian Bassi wrote:
>> On 26 Apr 2007 14:48:29 -0700, skulka3 at gmail.com <skulka3 at gmail.com> wrote:
>>> In order to work around this problem, I started printing empty strings
>>> (i.e. print "") so that the browser does not timeout.
>> How do you print something while doing the query and waiting for the results?
>> I saw some pages that display something like: "This page will be
>> updated in X seconds to show the results" (X is an estimated time
>> depending of server load), after a JS countdown, it refresh itself and
>> show the result or another "This page will be updated in X seconds to
>> show the results".
> 
> The usual way is by "client pull": send the content you want the user to 
> see, and include a Refresh: header - the easiest way is to include a 
> META tag in the html content <head> section like
> 
>    <meta http-equiv="refresh" content="N; URL=other-web-address">
> 
> So the page can continually check whether the user's job is finished, if 
> it isn't just sending out the same content and then when it is printing 
> the details.
> 
I should have pointed out that N is the number of seconds to wait before 
refreshing.

regards
  Steve
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