notes/templatetags/notes_extras.py

   1 from django import template
   2 from django.template.defaultfilters import stringfilter
   3
   4 import markdown as md
   5 from markdown.extensions import Extension
   6
   7 import calendar
   8
   9 register = template.Library()
  10
  11 # See https://python-markdown.github.io/change_log/release-3.0/#safe_mode-and-html_replacement_text-keywords-deprecated
  12 class EscapeHtml(Extension):
  13     def extendMarkdown(self, md):
  14         md.preprocessors.deregister('html_block')
  15         md.inlinePatterns.deregister('html')
  16
  17 @register.filter
  18 @stringfilter
  19 def markdown(value):
  20     return md.markdown(value, extensions=[EscapeHtml(), 'nl2br'])
  21
  22 @register.filter
  23 def month_name(value):
  24     return calendar.month_name[value]