From ae60bafb11bcf3a85a8ed3c78b8fc57961e8c3b6 Mon Sep 17 00:00:00 2001
From: Ben Bangert <ben@groovie.org>
Date: Tue, 16 Nov 2010 10:46:23 -0800
Subject: - Added Mako TemplateLookup settings for ``mako.error_handler``,  
 ``mako.default_filters``, and ``mako.imports``.

---
 CHANGES.txt                |  3 +++
 docs/narr/environment.rst  | 48 ++++++++++++++++++++++++++++++++++++++++++++++
 pyramid/mako_templating.py |  6 ++++++
 3 files changed, 57 insertions(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index f1e55ffce..e8595d6fc 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -4,6 +4,9 @@ Next release
 Features
 --------
 
+- Added Mako TemplateLookup settings for ``mako.error_handler``,
+  ``mako.default_filters``, and ``mako.imports``.
+
 - Normalized all paster templates: each now uses the name ``main`` to
   represent the function that returns a WSGI application, each now uses
   WebError, each now has roughly the same shape of development.ini style.
diff --git a/docs/narr/environment.rst b/docs/narr/environment.rst
index 2aa4064cd..6df0998d6 100644
--- a/docs/narr/environment.rst
+++ b/docs/narr/environment.rst
@@ -201,6 +201,54 @@ should be changed accordingly.
 |                             |
 +-----------------------------+
 
+Mako Error Handler
+++++++++++++++++++
+
+Python callable which is called whenever Mako compile or runtime exceptions
+occur. The callable is passed the current context as well as the exception. If
+the callable returns True, the exception is considered to be handled, else it
+is re-raised after the function completes. Is used to provide custom
+error-rendering functions.
+
++-----------------------------+
+| Config File Setting Name    |
++=============================+
+|  ``mako.error_handler``   _ |
+|                             |
+|                             |
+|                             |
++-----------------------------+
+
+Mako Default Filters
+++++++++++++++++++++
+
+List of string filter names that will be applied to all Mako expressions.
+
++-----------------------------+
+| Config File Setting Name    |
++=============================+
+|  ``mako.default_filters`` _ |
+|                             |
+|                             |
+|                             |
++-----------------------------+
+
+Mako Import
++++++++++++
+
+String list of Python statements, typically individual “import” lines, which
+will be placed into the module level preamble of all generated Python modules.
+
+
++-----------------------------+
+| Config File Setting Name    |
++=============================+
+|  ``mako.imports``________ _ |
+|                             |
+|                             |
+|                             |
++-----------------------------+
+
 Examples
 --------
 
diff --git a/pyramid/mako_templating.py b/pyramid/mako_templating.py
index b63009e2c..e2330f3ad 100644
--- a/pyramid/mako_templating.py
+++ b/pyramid/mako_templating.py
@@ -64,6 +64,9 @@ def renderer_factory(info):
         directories = settings.get('mako.directories')
         module_directory = settings.get('mako.module_directory')
         input_encoding = settings.get('mako.input_encoding', 'utf-8')
+        error_handler = settings.get('mako.error_handler', None)
+        default_filters = settings.get('mako.default_filters', [])
+        imports = settings.get('mako.imports', [])
         if directories is None:
             raise ConfigurationError(
                 'Mako template used without a ``mako.directories`` setting')
@@ -72,6 +75,9 @@ def renderer_factory(info):
         lookup = PkgResourceTemplateLookup(directories=directories,
                                            module_directory=module_directory,
                                            input_encoding=input_encoding,
+                                           error_handler=error_handler,
+                                           default_filters=default_filters,
+                                           imports=imports,
                                            filesystem_checks=reload_templates)
         registry_lock.acquire()
         try:
-- 
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