wkhtmltopdf create PDF from html

1. clean the html content

   remove some string tag, some section of html not need for pdf

   replace the static file path to local file path

   example: rendered_html = final_html.replace(f'{base_url}static’, f’file:///{app_root}/static’)

2. wkhtmlpdf executable path and configuration

   “use pdfkit for support “

   path_wkhtmlpdf = f'{BASE_DIR}\wkhtmltopdf\bin\wkhtmltopdf.exe’
   pdf_config = pdfkit.configuration(wkhtmltopdf=path_html_to_pdf)

   “pdf configurations”

   options = {

        'page-size': 'Letter',
        'margin-top': '0.5in',
        'margin-bottom': '0.5in',
        'margin-right': '0.15in',
        'margin-left': '0.15in',
        'dpi': 300,
        'header-center': f'{header_txt}',
        'custom-header': [('Accept-Encoding', 'gzip')],
        'header-line': '',
        'header-font-size': 9,
        'header-spacing': 4,
        'footer-right': 'Page [page] of [topage]',
        'footer-center': f'Copyright © {datetime.datetime.now().year}',
        'footer-font-size': 6,
        'footer-line': '',
        'footer-spacing': 4,
        'encoding': "utf-8",
        'no-outline': None,
        'javascript-delay': 600,
        'enable-local-file-access': '',
        'quiet': '',
        'print-media-type': ''
    }
   
    pdfkit.from_string(rendered_html_pdf, pdf_file, configuration=to_pdf_config, options=options,
                       css=f'{BASE_DIR}\\static\\css\\pdf.css')
    
    and put some css configuration for pdf in this pdf.css
   

see more from wkhtmlpdf website.