Hi, 

I have a custom wizard with fields : "file_name"(Char), "model_id"(active model), "content_report"(html) . 

I added a print button in this wizard . When I click on this button I want to generate reporte with name = "file_name" and content of report = "content_report" , without using a report template. Only with python code?

I'm trying with this code:

def print_report(self):
    self.ensure_one()
    action_report = self.env['ir.actions.report']
    bodies, html_ids, header, footer, specific_paperformat_args = action_report._prepare_html(self.content_report)
    pdf_content = action_report._run_wkhtmltopdf(
        bodies,
        report_ref=None,
        header=header,
        footer=footer,
        landscape=False,
        specific_paperformat_args=specific_paperformat_args,
        set_viewport_size=False,
    )
    self.update({'file_content': base64.b64encode(pdf_content)})

But I got this error : 

 File "/usr/lib/python3/dist-packages/odoo/addons/base/models/ir_actions_report.py", line 337, in _prepare_html body_parent = root.xpath('//main')[0] IndexError: list index out of range

How can I do it? Any help please?

Thanks.