eatslugs/generic/templatetags/xhtml11rst.py

   1 from django import template
   2 from django.conf import settings
   3 from django.utils.encoding import smart_str, force_unicode
   4 from django.utils.safestring import mark_safe
   5 from generic import docutils_xhtml11
   6
   7 register = template.Library()
   8
   9 def restructuredtext(value):
  10     try:
  11         from docutils.core import publish_parts
  12     except ImportError:
  13         if settings.DEBUG:
  14             raise template.TemplateSyntaxError, "Error in {% restructuredtext %} filter: The Python docutils library isn't installed."
  15         return force_unicode(value)
  16     else:
  17         docutils_settings = getattr(settings, "RESTRUCTUREDTEXT_FILTER_SETTINGS", {})
  18         parts = publish_parts(source=smart_str(value), writer=docutils_xhtml11.Writer(), settings_overrides=docutils_settings)
  19         return mark_safe(force_unicode(parts["fragment"]))
  20 restructuredtext.is_safe = True
  21
  22 register.filter(restructuredtext)