template.py

   1 # BC CMS - Content Management System
   2 # Copyright (c) 2008, Carlos Daniel Ruvalcaba Valenzuela
   3 # All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without modification,
   6 # are permitted provided that the following conditions are met:
   7 #
   8 #    * Redistributions of source code must retain the above copyright notice, this
   9 #      list of conditions and the following disclaimer.
  10 #    * Redistributions in binary form must reproduce the above copyright notice, this
  11 #      list of conditions and the following disclaimer in the documentation and/or other
  12 #      materials provided with the distribution.
  13 #    * Neither the name of the BlackChair Software nor the names of its contributors may be
  14 #      used to endorse or promote products derived from this software without specific prior
  15 #      written permission.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
  18 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  19 # FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  20 # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  23 # IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  24 # OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 from django.http import HttpResponse
  27 from django.template import RequestContext
  28 from django.template.loader import render_to_string
  29
  30 # with thanks to Peter Hunt (http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/465427)
  31 decorator_with_args = lambda decorator: lambda *args, **kwargs: lambda func: \
  32                       decorator(func, *args, **kwargs)
  33
  34 # with thanks to Robert Thomson (http://www.djangosnippets.org/snippets/459/)
  35 @decorator_with_args
  36 def template_django(func, template=None):
  37     def DJANGO_TEMPLATE(request, *args, **kwargs):
  38         res = func(request, *args, **kwargs)
  39         if not res:
  40             res = {}
  41         if type(res) == dict:
  42             try:
  43                 return HttpResponse(render_to_string(template, res, RequestContext(request)))
  44             except:
  45                 #if settings.DEBUG:
  46                 #return HttpResponse("Templating Error", status=500)
  47                 raise
  48         else:
  49             return res
  50     DJANGO_TEMPLATE.__name__ = func.__name__
  51     DJANGO_TEMPLATE.__doc__ = func.__doc__
  52     DJANGO_TEMPLATE.__dict__ = func.__dict__
  53     return DJANGO_TEMPLATE