django-orchestra-test/orchestra/utils/html.py

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import textwrap
from django.templatetags.static import static
from django.utils.html import format_html
from django.utils.translation import ugettext_lazy as _
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from orchestra.utils.sys import run
def html_to_pdf(html, pagination=False):
""" converts HTL to PDF using wkhtmltopdf """
context = {
'pagination': textwrap.dedent("""\
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--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 \\
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--margin-bottom 22 \\
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--margin-top 20 - - \
""") % context
return run(cmd, stdin=html.encode('utf-8')).stdout
def get_on_site_link(url):
context = {
'title': _("View on site %s") % url,
'url': url,
'image': format_html('<img src="{}"></img>', static('orchestra/images/view-on-site.png')),
}
return format_html('<a href="{url}" title="{title}">{image}</a>', **context)