Update stats processing

sitescripts/utils.py

Index: sitescripts/utils.py
===================================================================
--- a/sitescripts/utils.py
+++ b/sitescripts/utils.py
@@ -114,30 +114,41 @@ def get_template(template, autoescape=Tr
   if not key in _template_cache:
     if autoescape:
       env = get_template_environment()
     else:
       env = get_unescaped_template_environment()
     _template_cache[key] = env.get_template(template)
   return _template_cache[key]
 
-@cached(())
+@cached(float("inf"))
 def get_template_environment():
   """
     Returns a Jinja2 template environment with autoescaping enabled.
   """
   from sitescripts.templateFilters import filters
   import jinja2
-  env = jinja2.Environment(loader=jinja2.FileSystemLoader(siteScriptsPath), autoescape=True, extensions=['jinja2.ext.autoescape'])
+  env = jinja2.Environment(loader=jinja2.FileSystemLoader(siteScriptsPath), autoescape=True)
   env.filters.update(filters)
   return env
 
-@cached(())
+@cached(float("inf"))
 def get_unescaped_template_environment():
   """
     Returns a Jinja2 template environment without autoescaping. Don't use this to
     generate HTML files!
   """
   from sitescripts.templateFilters import filters
   import jinja2
   env = jinja2.Environment(loader=jinja2.FileSystemLoader(siteScriptsPath))
   env.filters.update(filters)
   return env
+
+def get_custom_template_environment(additional_filters):
+  """
+    Returns a custom Jinja2 template environment with additional filters.
+  """
+  from sitescripts.templateFilters import filters
+  import jinja2
+  env = jinja2.Environment(loader=jinja2.FileSystemLoader(siteScriptsPath), autoescape=True)
+  env.filters.update(filters)
+  env.filters.update(additional_filters)
+  return env