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Django WeasyPrint CBV

Project description

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A Django class-based view generating PDF responses using WeasyPrint.


Install and update using pip:

pip install -U django-weasyprint

WeasyPrint is automatically installed as a dependency of this package. If you run into any problems be sure to check their install instructions for help!


Use WeasyTemplateView as class based view base class or the mixin WeasyTemplateResponseMixin on a TemplateView (or subclass thereof).


import functools

from django.conf import settings
from django.views.generic import DetailView

from django_weasyprint import WeasyTemplateResponseMixin
from django_weasyprint.views import WeasyTemplateResponse
from django_weasyprint.utils import django_url_fetcher

class MyDetailView(DetailView):
    # vanilla Django DetailView
    template_name = 'mymodel.html'

def custom_url_fetcher(url, *args, **kwargs):
    # rewrite requests for CDN URLs to file path in STATIC_ROOT to use local file
    cloud_storage_url = ''
    if url.startswith(cloud_storage_url):
        url = 'file://' + url.replace(cloud_storage_url, settings.STATIC_URL)
    return django_url_fetcher(url, *args, **kwargs)

class CustomWeasyTemplateResponse(WeasyTemplateResponse):
    # customized response class to pass a kwarg to URL fetcher
    def get_url_fetcher(self):
        # disable host and certificate check
        context = ssl.create_default_context()
        context.check_hostname = False
        context.verify_mode = ssl.CERT_NONE
        return functools.partial(custom_url_fetcher, ssl_context=context)

class PrintView(WeasyTemplateResponseMixin, MyDetailView):
    # output of MyDetailView rendered as PDF with hardcoded CSS
    pdf_stylesheets = [
        settings.STATIC_ROOT + 'css/app.css',
    # show pdf in-line (default: True, show download dialog)
    pdf_attachment = False
    # custom response class to configure url-fetcher
    response_class = CustomWeasyTemplateResponse

class DownloadView(WeasyTemplateResponseMixin, MyDetailView):
    # suggested filename (is required for attachment/download!)
    pdf_filename = 'foo.pdf'

class DynamicNameView(WeasyTemplateResponseMixin, MyDetailView):
    # dynamically generate filename
    def get_pdf_filename(self):
        return 'foo-{at}.pdf'.format(
<!-- mymodel.html -->
<!doctype html>
        <!-- Use "static" template tag and configure STATIC_URL as usual. -->
        <link rel="stylesheet" href="{% static 'css/app.css' %}" />
        Hello PDF-world!


By default WeasyTemplateResponse determines the base_url for weasyprint.HTML and weasyprint.CSS automatically using Django’s request.build_absolute_uri().

To disable that set WEASYPRINT_BASEURL to a fixed value, e.g.:

# Disable prefixing relative URLs with request.build_absolute_uri().
# Instead, handle them as absolute file paths.



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