Ported examples over to new config. documented upgrading

examples/minitwit/README

@@ -10,7 +10,9 @@
 
     ~ How do I use it?
 
-      1. edit the configuration in the minitwit.py file
+      1. edit the configuration in the minitwit.py file or
+         export an MINITWIT_SETTINGS environment variable
+         pointing to a configuration file.
 
       2. fire up a python shell and run this:
 

examples/minitwit/minitwit.py

@@ -27,11 +27,13 @@ SECRET_KEY = 'development key'
 
 # create our little application :)
 app = Flask(__name__)
+app.config.from_object(__name__)
+app.config.from_envvar('MINITWIT_SETTINGS', silent=True)
 
 
 def connect_db():
     """Returns a new connection to the database."""
-    return sqlite3.connect(DATABASE)
+    return sqlite3.connect(app.config['DATABASE'])
 
 
 def init_db():
@@ -237,12 +239,9 @@ def logout():
     return redirect(url_for('public_timeline'))
 
 
-# add some filters to jinja and set the secret key and debug mode
-# from the configuration.
+# add some filters to jinja
 app.jinja_env.filters['datetimeformat'] = format_datetime
 app.jinja_env.filters['gravatar'] = gravatar_url
-app.secret_key = SECRET_KEY
-app.debug = DEBUG
 
 
 if __name__ == '__main__':

examples/minitwit/minitwit_tests.py

@@ -18,14 +18,14 @@ class MiniTwitTestCase(unittest.TestCase):
 
     def setUp(self):
         """Before each test, set up a blank database"""
-        self.db_fd, minitwit.DATABASE = tempfile.mkstemp()
+        self.db_fd, minitwit.app.config['DATABASE'] = tempfile.mkstemp()
         self.app = minitwit.app.test_client()
         minitwit.init_db()
 
     def tearDown(self):
         """Get rid of the database again after each test."""
         os.close(self.db_fd)
-        os.unlink(minitwit.DATABASE)
+        os.unlink(minitwit.app.config['DATABASE'])
 
     # helper functions