Can you drop a Python script into a Django page?

[jc]

Hi,

Is it possible to drop a Python script (around 50 lines) into one of your django pages? Would this be embedding into the template code? I am experimenting with doing this but I haven't had any luck in finding out how.

An example of what I am trying to do is to place a script like this http://www.goldb.org/ystockquote.html and see if I can't drop it into a page like this http://demo.satchmoproject.com/category/book/fiction/ and have it print out the info on the page.

First thing that comes to mind is once I figure out how to embed the script, how will I execute it? 

thanks,

jimmy

[Joey Espinosa]

Jimmy,

Does it NEED to be embedded into the page? I ask because something like this would be a lot easier if you executed server-side, and simply returned the output to the front-end using AJAX.

Would that serve your purpose here, or am I misunderstanding the original question?

--
Joey "JoeLinux" Espinosa
Software Developer
http://about.me/joelinux

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[jc]

Oh, that would totally be fine. I have no idea how to do that, do you know of any docs that might show me how to execute this code on the server-side and print out via AJAX?

thanks!

jimmy

[Joey Espinosa]

Jimmy,

Not sure what JavaScript library you use (or if you're familiar with JavaScript at all), but this is a very rudimentary example:

First, create a View in Django that you can call, and capture the results:

import os
from django.http import HttpResponse
...
def ajax(req):
    if req.is_ajax():
        stdout = os.popen("script_you_want_to_run.py")
        output = stdout.read()
        return HttpResponse(output)

Make sure you can call it by adding it in your urls.py (be sure that it's defined above any other line that may redirect you somewhere else):

urlpatterns = patterns('',
    url(r'^ajax', 'your_project.your_app.views.ajax'),

    ... 

) 

Then call it from whatever template you're wanting to use (I'm going to use Dojo for this example, just because it's my favorite JavaScript library):

var resultDisplay = dojo.byId("results");  // whatever element you want to display your results
dojo.xhrGet({
    url: '/ajax',  // this accesses the view you created earlier
    load: function(data) {
        resultDisplay.innerHTML = data;  // 'data' should be the output that you returned from the view
    }
});

Again, this is very basic, but this should get you started. Use some test scenarios to try it out just so you get the idea (such as dropping in a Python script that does nothing but output "Hello").

I hope this helped.

    

--
Joey "JoeLinux" Espinosa

jimmy

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[jc]

Oh, this does help...tremendously. Thanks for taking the time out and explaining. I think that's enough for me to start learning via the docs/experimenting and hopefully get something implemented.

If I can't implement this, do you know anyone that could do this for a fee?

thanks,

jimmy

[Joey Espinosa]

Jimmy,

I don't know your specific situation, but this is probably not worth a fee. You already know Django and Python, all you need to do is extend that knowledge with some AJAX.

If you run into problems, there's always this group ;)

--
Joey "JoeLinux" Espinosa
Software Developer
http://about.me/joelinux

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[Steve McConville]

> Is it possible to drop a Python script (around 50 lines) into one of your
> django pages? Would this be embedding into the template code?

You could wrap it in a custom template tag:

https://docs.djangoproject.com/en/1.3/howto/custom-template-tags/

--
steve