From: Armin Ronacher <armin.ronacher@active-4.com>
Date: Sun, 25 Sep 2011 12:30:12 +0000 (+0200)
Subject: Added GAE debugging snippet
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=c1bc16415bbaa03d663e6de91fae529c8ec4bb6c;p=jinja2.git

Added GAE debugging snippet
---

diff --git a/docs/faq.rst b/docs/faq.rst
index 2e4be8c..d066bff 100644
--- a/docs/faq.rst
+++ b/docs/faq.rst
@@ -153,6 +153,18 @@ the traceback may be incomplete.  There is currently no good workaround
 for Jython or the AppEngine as ctypes is unavailable there and it's not
 possible to use the debugsupport extension.
 
+If you are working in the Google Appengine development server you can
+whitelist the ctypes module to restore the tracebacks.  This however won't
+work in production environments::
+
+    import os
+    if os.environ.get('SERVER_SOFTWARE', '').startswith('Dev'):
+        from google.appengine.tools.dev_appserver import HardenedModulesHook
+        HardenedModulesHook._WHITE_LIST_C_MODULES += ['_ctypes', 'gestalt']
+
+Credit for this snippet goes to `Thomas Johansson
+<http://stackoverflow.com/questions/3086091/debug-jinja2-in-google-app-engine/3694434#3694434>`_
+
 Why is there no Python 2.3 support?
 -----------------------------------