Re: Is it possible to output a graph from Matplotlib into Django like this?

One reason why I don't quite like the idea is because I am writing a
reporting webapp and there are many different graphs that can
generated. Needing to write 2 views for 1 type of graph can get pretty
tedious!

On Apr 11, 6:39 pm, Xavier Ordoquy <xordo...@linovia.com> wrote:
> Le 11 avr. 2011 à 12:21, nai a écrit :
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> > This is the give example from Matplotlib for Django:
>
> > def simple(request):
> >    import random
>
> >    from matplotlib.backends.backend_agg import FigureCanvasAgg as
> > FigureCanvas
> >    from matplotlib.figure import Figure
> >    from matplotlib.dates import DateFormatter
>
> >    fig=Figure()
> >    ax=fig.add_subplot(111)
> >    x=[]
> >    y=[]
> >    now=datetime.datetime.now()
> >    delta=datetime.timedelta(days=1)
> >    for i in range(10):
> >        x.append(now)
> >        now+=delta
> >        y.append(random.randint(0, 1000))
> >    ax.plot_date(x, y, '-')
> >    ax.xaxis.set_major_formatter(DateFormatter('%Y-%m-%d'))
> >    fig.autofmt_xdate()
> >    canvas=FigureCanvas(fig)
> >    response=django.http.HttpResponse(content_type='image/png')
> >    canvas.print_png(response)
> >    return response
>
> > Is there anyway I can return the image like this `return
> > render_to_response('template.html', {'graph': <graph generated by
> > matplotlib or some other graphing package>}`
>
> Hi,
>
> Is there any reasons why you couldn't have a view that would just render the image and the other one that would have a img tag pointing to the first view ?
> It is possible to embed an image in the web page, but I'm sure it goes against the best practices.
>
> Regards,
> Xavier.

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