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
  26             if number < 99500:
  27                 format = "%.1f"
  28             else:
  29                 format = "%.0f"
  30
  31             s = format % thousands
  32
  33             return mark_safe("<span class=\"%s\">%sk</span>" % (cls, s))
  34         return number
  35     except:
  36         return number
  37
  38 @register.filter
  39 def or_preview(setting, request):
  40     if request.user.is_superuser:
  41         previewing = request.session.get('previewing_settings', {})
  42         if setting.name in previewing:
  43             return previewing[setting.name]
  44
  45     return setting.value
  46
  47 @register.filter
  48 def getval(map, key):
  49     return map and map.get(key, None) or None
  50
  51
  52 @register.filter
  53 def contained_in(item, container):
  54     return item in container
  55
  56 @register.filter
  57 def static_content(content, render_mode):
  58     if render_mode == 'markdown':
  59         return mark_safe(markdown.markdown(unicode(content), ["settingsparser"]))
  60     elif render_mode == "html":
  61         return mark_safe(unicode(content))
  62     else:
  63         return unicode(content)