Render to pdf

python

# Util .py
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_src, context_dict={}):
    template = get_template(template_src)
    html  = template.render(context_dict)
    result = BytesIO()
    pdf = pisa.pisaDocument(BytesIO(html.encode("ISO-8859-1")), result)
    if not pdf.err:
        return HttpResponse(result.getvalue(), content_type='application/pdf')
    return None


# usage.py
def print_report(request, *args):
    template = get_template('path')
    context = {
        'report': 'never mind
    }
    template.render(context)
    pdf = render_to_pdf('diagnosis/report_print.html', context)
    if pdf:
        response = HttpResponse(pdf, content_type='application/pdf')
        filename = "report_for {} {}.pdf".format(key, instance.order.customer)
        content = "inline; filename='%s'" % filename
        download = request.GET.get("download")
        if download:
            content = "attachment; filename='%s'" % filename
        response['Content-Disposition'] = content
        return response
    return HttpResponse("Not found")