libraries question

[kb...@hw.ac.uk]

Hi, does brython allow you make use of the useful python libraries such as matplotlib, sic-kit learn, pygame etc? If not could I run them on the server and use brython like a user interface for the browser? thanks

[Kiko]

2015-11-11 20:42 GMT+01:00 <kb...@hw.ac.uk>:

Hi, does brython allow you make use of the useful python libraries such as matplotlib, sic-kit learn, pygame etc? If not could I run them on the server and use brython like a user interface for the browser? thanks

Short answer: NO, these libs doesn't work on the client side.

A more detailed answer: As a rule of thumb, it happens something similar to what happens to Pypy, libs with C/C++/Fortran/compiled code doesn't work out of the box and you should rewrite parts of these libs to make it work. If the lib is written in pure python it could work with Brython.

If you want to use Python on the server you can use Brython (client) to communicate with it. I'm doing a brython(client)+flask(server) app and it works pretty well.

 

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[kb...@hw.ac.uk]

Thanks for your reply, much appreciated! I'm new to programming and my background is in another engineering discipline. Am I correct in thinking that if you need to use any of the libraries I mentioned above then you run a python program on the sever with those libraries and communicate with the client running Brython? If so, is there any noticeable lag during use? Could I for example make a game where the engine and logic is written in python on the server (using some of the handy libraries) and use brython on the client for the graphics? 

[Christophe Bal]

Hello.

Can you give a basic example of communication between Flask and brython ? This could be useful for all thé comunity.

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[Olemis Lang]

On 11/11/15, kb...@hw.ac.uk <kb...@hw.ac.uk> wrote:
>
[...]

>
> Could I for example make a game where the engine and logic is written in
> python on the server (using some of the handy libraries) and use brython on
> the client for the graphics?

sure !

[...]

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[Kiko]

2015-11-12 0:10 GMT+01:00 Christophe Bal <proj...@gmail.com>:

Hello.

Can you give a basic example of communication between Flask and brython ? This could be useful for all thé comunity.

In flask, for instance, you can get info from a hidden form and pass it to the url (view), you could use ajax,.. I think the usage is similar to what you would do between flask/django/RoR/.../server and js/Brython/client

 

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[Christophe Bal]

Thanks Kiko.

Have you try a ReST structure ?

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[Kiko]

2015-11-12 16:01 GMT+01:00 Christophe Bal <proj...@gmail.com>:

Thanks Kiko.

Have you try a ReST structure ?

Not yet.

I'm experimenting with flask and it is far from my field (science).

 

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[Kiko]

2015-11-12 16:04 GMT+01:00 Kiko <kikoco...@gmail.com>:

2015-11-12 16:01 GMT+01:00 Christophe Bal <proj...@gmail.com>:

Thanks Kiko.

Have you try a ReST structure ?

Not yet.

I'm experimenting with flask and it is far from my field (science).

Hi, Christophe. Have a look here:
https://groups.google.com/forum/?hl=es#!topic/brython/h4_mbZI49S0

You can use the app also providing lan and lot coordinates in the url, e.g.:
http://map2wiki.runbear.webfactional.com/index?lon=-3.68482&lat=40.43294&zoom=18

It is not REST elegant but it is a simple example of an API... :-P

[Christophe Bal]

Thanks a lot for the links.

Christophe BAL

Enseignant de mathématiques en Lycée et développeur Python amateur

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French math teacher in a "Lycée" and Python amateur developer

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