Untitled

#requirements.txt
xhtml2pdf
mimerender

#-----
#controller.py
from app.main.util import report_helper

@api.route('/pdf')
class PdfGenerate(Resource):
    @api.doc('generate a pdf')
    def get(self):
        """
        Generate a PDF from an html template file using jinja2 and xhtml2pdf
        :return: Generated PDF
        """

        html = report_helper.generate_report()

        resp = Response(html.getvalue())
        resp.headers['Content-Type'] = 'application/pdf'
        resp.headers['Content-Disposition'] = 'inline; filename=export.pdf'

        html.close()

        return resp

#------
#report_helper.py

import jinja2
from xhtml2pdf import pisa
from io import StringIO, BytesIO


def create_pdf(data):
    pdf = BytesIO()
    pisa.pisaDocument(StringIO(data), pdf)
    return pdf


def generate_report():
    return create_pdf(
        render_template('report.html')
    )


def render_template(name):
    template_loader = jinja2.FileSystemLoader(searchpath='./app/main/util/')
    template_env = jinja2.Environment(loader=template_loader)
    template = template_env.get_template(name)
    output_text = template.render(
        start_date='Mon 03 May',
        end_date='Mon 10 May',
        user='Jeff'
    )

    return output_text

#------
#report.html
<html>
    <head>
    </head>
    <body>
    {% block body %}
        <h2>Some page title.</h2>
        <table width="100%" cellpadding="4" cellspacing="0">
            <tbody>
                <tr>
                    <td width="100%">Some text.</td>
                </tr>
            </tbody>
            <tbody>
                <tr style="border: 1px solid #000000;">
                    <td width="100%">
                        <h3 style="text-align: center;">Some subtitle</h3>
                        <div>{{ user }}</div>
                        <div>{{ start_date }} - {{ end_date }}</div>
                    </td>
                </tr>
            </tbody>
        </table>
        <hr style="margin: 3em 0;"/>
    {% endblock %}
    </body>
</html>