Add a features modules that process the flask dict.

app.py

@@ -8,6 +8,8 @@ from flask.ext.principal import Principal
 from flask.ext.login import LoginManager
 from flask.ext.mail import Mail
 
+import features
+
 from storage import Storage
 from config import DefaultConfig
 from data.userfiles import Userfiles
@@ -28,6 +30,10 @@ overrides = json.loads(os.environ.get('QUAY_CONFIG', '{}'))
 logger.debug('Applying %s config overrides.', len(overrides))
 app.config.from_object(overrides)
 
+features.import_features(app.config)
+
+print "Billing: %s" % features.BILLING
+
 Principal(app, use_sessions=False)
 
 login_manager = LoginManager()

config.py

@@ -109,6 +109,9 @@ class DefaultConfig(object):
       STATUS_TAGS[tag_name] = tag_svg.read()
 
 
+  FEATURE_BILLING = False
+
+
 class FakeTransaction(object):
   def __enter__(self):
     return self

features/__init__.py

@@ -0,0 +1,5 @@
+def import_features(config_dict):
+  for feature, feature_val in config_dict.items():
+    if feature.startswith('FEATURE_'):
+      feature_name = feature[8:]
+      globals()[feature_name] = feature_val