Django snippets

from django.shortcuts import render_to_response
from django.http import HttpResponse
from django.template import Template, Context
from rlextra.rml2pdf import rml2pdf
import cStringIO

def getPDF(request):
    """Returns PDF as a binary stream."""
    if 'q' in request.GET:
        name = request.GET['q']
        t = Template(open('hello.rml').read())
        c = Context({"name": name})
        rml = t.render(c)
        buf = cStringIO.StringIO()
        #create the pdf
        rml2pdf.go(rml, outputFileName=buf)
        buf.reset()
        pdfData = buf.read()
        #send the response
        response = HttpResponse(mimetype='application/pdf')
        response.write(pdfData)
        response['Content-Disposition'] = 'attachment; filename=output.pdf'
        return response