From 003e522b5784f50bc6f41168d0b087cc25d2aa4f Mon Sep 17 00:00:00 2001
From: Malthe Borch <mborch@gmail.com>
Date: Fri, 29 Aug 2008 18:24:03 +0000
Subject: Added event notification after WSGI application is created and
 configured.

---
 repoze/bfg/interfaces.py        | 14 ++++++++++++++
 repoze/bfg/router.py            |  6 +++++-
 repoze/bfg/tests/test_router.py | 15 ++++++++++++++-
 3 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/repoze/bfg/interfaces.py b/repoze/bfg/interfaces.py
index 3a4c45373..d1a8fc63a 100644
--- a/repoze/bfg/interfaces.py
+++ b/repoze/bfg/interfaces.py
@@ -1,6 +1,9 @@
+from zope.interface import implements
 from zope.interface import Interface
 from zope.interface import Attribute
 
+from zope.component.interfaces import IObjectEvent
+
 class IRequest(Interface):
     """ Marker interface for a request object """
     
@@ -84,3 +87,14 @@ class ISettings(Interface):
     """ Runtime settings for repoze.bfg """
     reload_templates = Attribute('Reload templates when they change')
     
+class IWSGIApplicationCreatedEvent(IObjectEvent):
+    """ Event issued after the application has been created and
+    configured."""
+    
+    app = Attribute(u"Published application")
+
+class WSGIApplicationCreatedEvent(object):    
+    implements(IWSGIApplicationCreatedEvent)
+    
+    def __init__(self, app):
+        self.app = app
diff --git a/repoze/bfg/router.py b/repoze/bfg/router.py
index 49ccd1ad6..21ac17564 100644
--- a/repoze/bfg/router.py
+++ b/repoze/bfg/router.py
@@ -3,6 +3,7 @@ from zope.component import queryMultiAdapter
 from zope.component import queryUtility
 from zope.component.event import dispatch
 from zope.interface import directlyProvides
+from zope.event import notify
 
 from webob import Request
 from webob.exc import HTTPNotFound
@@ -15,6 +16,7 @@ from repoze.bfg.interfaces import IView
 from repoze.bfg.interfaces import IViewPermission
 from repoze.bfg.interfaces import ISecurityPolicy
 from repoze.bfg.interfaces import IRequest
+from repoze.bfg.interfaces import WSGIApplicationCreatedEvent
 
 from repoze.bfg.registry import registry_manager
 
@@ -89,6 +91,8 @@ def make_app(root_policy, package=None, filename='configure.zcml',
     specific option value, e.g. ``{'reload_templates':True}``"""
     from repoze.bfg.registry import makeRegistry
     registry = makeRegistry(filename, package, options)
-    return Router(root_policy, registry)
+    app = Router(root_policy, registry)
+    notify(WSGIApplicationCreatedEvent(app))
+    return app
 
     
diff --git a/repoze/bfg/tests/test_router.py b/repoze/bfg/tests/test_router.py
index 381091d56..87dcbba66 100644
--- a/repoze/bfg/tests/test_router.py
+++ b/repoze/bfg/tests/test_router.py
@@ -264,7 +264,7 @@ class RouterTests(unittest.TestCase, PlacelessSetup):
         self.assertEqual(request_events[0].request.environ, environ)
         self.assertEqual(len(response_events), 1)
         self.assertEqual(response_events[0].response, response)
-
+    
 class MakeAppTests(unittest.TestCase, PlacelessSetup):
     def setUp(self):
         PlacelessSetup.setUp(self)
@@ -284,6 +284,19 @@ class MakeAppTests(unittest.TestCase, PlacelessSetup):
         self.assertEqual(app.registry.__name__, 'repoze.bfg.tests.fixtureapp')
         self.assertEqual(app.root_policy, rootpolicy)
 
+    def test_event(self):
+        def subscriber(event):
+            event.app.created = True        
+        from zope.component import getGlobalSiteManager
+        from repoze.bfg.interfaces import IWSGIApplicationCreatedEvent
+        getGlobalSiteManager().registerHandler(
+            subscriber, (IWSGIApplicationCreatedEvent,))        
+        from repoze.bfg.tests import fixtureapp
+        make_app = self._getFUT()
+        rootpolicy = make_rootpolicy(None)
+        app = make_app(rootpolicy, fixtureapp)
+        assert app.created is True
+
 class DummyContext:
     pass
 
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