forum/templatetags/extra_filters.py

   1 from django import template
   2 from django.utils.safestring import mark_safe
   3 import logging
   4 import markdown
   5
   6 register = template.Library()
   7
   8 @template.defaultfilters.stringfilter
   9 @register.filter
  10 def collapse(input):
  11     return ' '.join(input.split())
  12
  13
  14 @register.filter
  15 def can_edit_post(user, post):
  16     return user.can_edit_post(post)
  17
  18
  19 @register.filter
  20 def decorated_int(number, cls="thousand"):
  21     try:
  22         number = int(number)    # allow strings or numbers passed in
  23         if number > 999:
  24             thousands = float(number) / 1000.0
  25             format = "%.1f" if number < 99500 else "%.0f"
  26             s = format % thousands
  27
  28             return mark_safe("<span class=\"%s\">%sk</span>" % (cls, s))
  29         return number
  30     except:
  31         return number
  32
  33 @register.filter
  34 def or_preview(setting, request):
  35     if request.user.is_superuser:
  36         previewing = request.session.get('previewing_settings', {})
  37         if setting.name in previewing:
  38             return previewing[setting.name]
  39
  40     return setting.value
  41
  42 @register.filter
  43 def getval(map, key):
  44     return map and map.get(key, None) or None
  45
  46
  47 @register.filter
  48 def contained_in(item, container):
  49     return item in container
  50
  51 @register.filter
  52 def static_content(content, render_mode):
  53     if render_mode == 'markdown':
  54         return mark_safe(markdown.markdown(unicode(content), ["settingsparser"]))
  55     elif render_mode == "html":
  56         return mark_safe(unicode(content))
  57     else:
  58         return unicode(content)