subdomain dispatcher

app.py

@@ -1,35 +1,9 @@
 from gevent import monkey, pywsgi
 monkey.patch_all()
-from realms import create_app, config
-from threading import Lock
+from realms import config, init_db, make_app, SubdomainDispatcher
 
-class SubdomainDispatcher(object):
-
-    def __init__(self, domain, create_app):
-        self.domain = domain
-        self.create_app = create_app
-        self.lock = Lock()
-        self.instances = {}
-
-    def get_application(self, host):
-        host = host.split(':')[0]
-        assert host.endswith(self.domain), 'Configuration error'
-        subdomain = host[:-len(self.domain)].rstrip('.')
-        with self.lock:
-            app = self.instances.get(subdomain)
-            if app is None:
-                app = self.create_app(subdomain)
-                self.instances[subdomain] = app
-            return app
-
-    def __call__(self, environ, start_response):
-        app = self.get_application(environ['HTTP_HOST'])
-        return app(environ, start_response)
-
-
-def make_app(subdomain):
-    return create_app(subdomain)
 
 if __name__ == '__main__':
+    init_db(config.db['dbname'])
     app = SubdomainDispatcher(config.domain, make_app)
     pywsgi.WSGIServer(('', config.port), app).serve_forever()