django-orchestra/orchestra/utils/html.py

37 lines
1.1 KiB
Python

import textwrap
from django.templatetags.static import static
from django.utils.translation import ugettext_lazy as _
from orchestra.utils.sys import run
def html_to_pdf(html, pagination=False):
""" converts HTL to PDF using wkhtmltopdf """
context = {
'pagination': textwrap.dedent("""\
--footer-center "Page [page] of [topage]" \\
--footer-font-name sans \\
--footer-font-size 7 \\
--footer-spacing 7"""
) if pagination else '',
}
cmd = textwrap.dedent("""\
PATH=$PATH:/usr/local/bin/
xvfb-run -a -s "-screen 0 2480x3508x16" wkhtmltopdf -q \\
--use-xserver \\
%(pagination)s \\
--margin-bottom 22 \\
--margin-top 20 - - \
""") % context
return run(cmd, stdin=html.encode('utf-8')).stdout
def get_on_site_link(url):
context = {
'title': _("View on site"),
'url': url,
'image': '<img src="%s"></img>' % static('orchestra/images/view-on-site.png'),
}
return '<a href="%(url)s" title="%(title)s">%(image)s</a>' % context