Add errors details on abort responses. Add an instance var on BaseHan…

…dler to store the current session.

handlers.py

@@ -11,6 +11,7 @@
 class Base(webapp2.RequestHandler):
   def dispatch(self):
       session_store = User.get_session_store()
+      self.session = User.get_session()
       try:
           super(Base, self).dispatch()
       finally:

ngforms.py

@@ -21,7 +21,7 @@ def validate(self):
     data = json.decode(request.body)
 
     if not isinstance(data, dict):
-      webapp2.abort(403)
+      webapp2.abort(403, detail='not a dict')
 
     for f in self.fields:
       if not f.id in self.validations:
@@ -37,7 +37,9 @@ def validate(self):
         val.input = f.id
 
         if not val.validate(self):
-          webapp2.abort(403)
+          webapp2.abort(403, 
+            detail='validation error, id: %s name: %s value: %s' 
+            % (f.id, f.name, value))
 
     return self.field_values
 
@@ -57,7 +59,7 @@ def field(self, id):
       return self.field_values[id]
 
     request = webapp2.get_request()
-    webapp2.abort(403)
+    webapp2.abort(403, detail='not a string, id: %s' % id)
 
 
 class Validation(object):

tests.py

@@ -1,7 +1,11 @@
 
+import webapp2
+from webapp2_extras import json
+
 import unittest
 
 from google.appengine.ext import testbed
+from google.appengine.datastore import datastore_stub_util
 
 
 class Base(unittest.TestCase):