from django import template

register = template.Library()

@register.filter(name="safe")
def safesafe(value):
   try:
      from django.template.defaultfilters import safe
      return safe(value)
   except ImportError:
      return value

@register.filter(name="force_escape")
def safeforce_escape(value):
   try:
      from django.template.defaultfilters import force_escape
      return force_escape(value)
   except ImportError:
      return value




class IgnoreAutoEscapeNode(template.Node):
   def __init__(self, nodelist):
      self.nodelist = nodelist
   def render(self, context):
      output = self.nodelist.render(context)
      return output

@register.tag("autoescape")
def safeautoescape(parser, token):
   try:
      from django.template.defaulttags import autoescape
      return autoescape(parser, token)
   except ImportError:
      nodelist = parser.parse(('endautoescape',))
      parser.delete_first_token()
      return IgnoreAutoEscapeNode(nodelist)

