from io import BytesIO

from django.http import HttpResponse
from django.template.loader import get_template
from xhtml2pdf import pisa


def render_to_pdf(template, context):
    html = get_template(template).render(context)
    result = BytesIO()
    pdf = pisa.pisaDocument(BytesIO(html.encode("ISO-8859-1")), result)
    if pdf.err:
        return HttpResponse("Invalid PDF", status_code=400, content_type='text/plan')
    return HttpResponse(result.getvalue(), content_type='application/pdf')