--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/p4l/templateloaders.py	Fri Oct 11 11:46:18 2013 +0200
@@ -0,0 +1,71 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright IRI (c) 2013
+#
+# contact@iri.centrepompidou.fr
+#
+# This software is governed by the CeCILL-B license under French law and
+# abiding by the rules of distribution of free software.  You can  use, 
+# modify and/ or redistribute the software under the terms of the CeCILL-B
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# "http://www.cecill.info". 
+#
+# As a counterpart to the access to the source code and  rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty  and the software's author,  the holder of the
+# economic rights,  and the successive licensors  have only  limited
+# liability. 
+#
+# In this respect, the user's attention is drawn to the risks associated
+# with loading,  using,  modifying and/or developing or reproducing the
+# software by the user in light of its specific status of free software,
+# that may mean  that it is complicated to manipulate,  and  that  also
+# therefore means  that it is reserved for developers  and  experienced
+# professionals having in-depth computer knowledge. Users are therefore
+# encouraged to load and test the software's suitability as regards their
+# requirements in conditions enabling the security of their systems and/or 
+# data to be ensured and,  more generally, to use and operate it in the 
+# same conditions as regards security. 
+#
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL-B license and that you accept its terms.
+#
+
+'''
+Created on Oct 9, 2013
+
+From http://djangosnippets.org/snippets/1376/
+
+@author: ymh
+'''
+from os.path import dirname, join, abspath, isdir
+
+from django.core.exceptions import ImproperlyConfigured
+from django.db.models import get_app
+from django.template import TemplateDoesNotExist
+from django.template.loaders.filesystem import Loader as FilesystemLoader
+
+
+def get_template_vars(template_name):
+    app_name, template_name = template_name.split(":", 1)
+    try:
+        template_dir = abspath(join(dirname(get_app(app_name).__file__), 'templates'))
+    except ImproperlyConfigured:
+        raise TemplateDoesNotExist()
+    
+    return template_name, template_dir
+
+class Loader(FilesystemLoader):
+    
+    is_usable = True
+    
+    def get_template_sources(self, template_name, template_dirs=None):
+        if ":" not in template_name:
+            raise TemplateDoesNotExist()
+        template_name, template_dir = get_template_vars(template_name)
+        
+        if not isdir(template_dir):
+            raise TemplateDoesNotExist()
+
+        return [join(template_dir, template_name)]
+