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serial data and web

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  serial data and web manduk <nasdul@NOSPAMxxx.it> - 2014-12-09 12:39 +0100
    Re: serial data and web Mihamina Rakotomandimby <mihamina.rakotomandimby@rktmb.org> - 2014-12-09 14:55 +0300
      Re: serial data and web manduk <nasdul@NOSPAMxxx.it> - 2014-12-09 14:24 +0100
        Re: serial data and web Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-12-09 23:28 -0500
        Re: serial data and web Mihamina Rakotomandimby <mihamina.rakotomandimby@rktmb.org> - 2014-12-10 09:55 +0300

#82193 — serial data and web

I would like to get data from serial port and send it to a web page.
I think that getting data from serial port shopuld not be difficult in 
python. I've found some interesting links about it.
How can I send after the datas directly to a web page?

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#82194

[Multipart message — attachments visible in raw view] — view raw

On 12/09/2014 02:39 PM, manduk wrote:
> I would like to get data from serial port and send it to a web page.
> I think that getting data from serial port shopuld not be difficult in 
> python. I've found some interesting links about it.
> How can I send after the datas directly to a web page?

"A web page"?
Did you mean a Web server?

Basically, you'll have to upload your data to a Web Server, then the 
server will serve your data.
Depending on how your server is setup, you'll have to use FTP, RSync, 
HTTP GET or POST or PUT,...
There is plenty of ways to upload some content.

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#82197

> "A web page"?
> Did you mean a Web server?

ok I mean I would like to view the datas on a web page

> Basically, you'll have to upload your data to a Web Server, then the
> server will serve your data.
> Depending on how your server is setup, you'll have to use FTP, RSync,
> HTTP GET or POST or PUT,...
> There is plenty of ways to upload some content.
>
not only upload in a folder of a webserver...I wish to see in real time 
the datas in a public html page.
I get the data from serial port and then I put them in a remote page.
Which is the best way to transfer datas from a text file for example and 
send it on web?

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#82257

On Tue, 09 Dec 2014 14:24:51 +0100, manduk <nasdul@NOSPAMxxx.it> declaimed
the following:

>
>> "A web page"?
>> Did you mean a Web server?
>
>ok I mean I would like to view the datas on a web page
>
>> Basically, you'll have to upload your data to a Web Server, then the
>> server will serve your data.
>> Depending on how your server is setup, you'll have to use FTP, RSync,
>> HTTP GET or POST or PUT,...
>> There is plenty of ways to upload some content.
>>
>not only upload in a folder of a webserver...I wish to see in real time 
>the datas in a public html page.
>I get the data from serial port and then I put them in a remote page.
>Which is the best way to transfer datas from a text file for example and 
>send it on web?

	Normal HTML is a "pull" technology... The client (browser) has to ask
the server to send it the page.

	To have dynamically updating web page requires either: a web page that
does a timed redirect back to itself (going to be very annoying as the page
keeps reloading at whatever interval was given to the redirect), OR the use
of Javascript to modify the HTML during the load, OR Javascript to modify
pages in real-time -- cf: http://en.wikipedia.org/wiki/Dynamic_HTML and
http://en.wikipedia.org/wiki/Ajax_%28programming%29

	Python would only be involved in updating the data on the server -- on
it's own it likely can't push updates to the browser.

-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/

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#82265

On 12/10/2014 07:28 AM, Dennis Lee Bieber wrote:
> On Tue, 09 Dec 2014 14:24:51 +0100, manduk <nasdul@NOSPAMxxx.it> declaimed
> the following:
>
>>> "A web page"?
>>> Did you mean a Web server?
>> ok I mean I would like to view the datas on a web page
>>
>>> Basically, you'll have to upload your data to a Web Server, then the
>>> server will serve your data.
>>> Depending on how your server is setup, you'll have to use FTP, RSync,
>>> HTTP GET or POST or PUT,...
>>> There is plenty of ways to upload some content.
>>>
>> not only upload in a folder of a webserver...I wish to see in real time
>> the datas in a public html page.
>> I get the data from serial port and then I put them in a remote page.
>> Which is the best way to transfer datas from a text file for example and
>> send it on web?
> 	Normal HTML is a "pull" technology... The client (browser) has to ask
> the server to send it the page.
>
> 	To have dynamically updating web page requires either: a web page that
> does a timed redirect back to itself (going to be very annoying as the page
> keeps reloading at whatever interval was given to the redirect), OR the use
> of Javascript to modify the HTML during the load, OR Javascript to modify
> pages in real-time -- cf: http://en.wikipedia.org/wiki/Dynamic_HTML and
> http://en.wikipedia.org/wiki/Ajax_%28programming%29

Which is a loop for pulling.
There is another alternative: Websockets.
But it is still a "young" technolgy.

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