make managed session more like a real session

flask_socketio/__init__.py

@@ -16,6 +16,7 @@
 import socketio
 import flask
 from flask import _request_ctx_stack, json as flask_json
+from flask.sessions import SessionMixin
 from werkzeug.debug import DebuggedApplication
 from werkzeug.serving import run_with_reloader
 
@@ -42,6 +43,13 @@ def __call__(self, environ, start_response):
                                                          start_response)
 
 
+class _ManagedSession(SessionMixin, dict):
+    """This class is used for user sessions that are managed by
+    Flask-SocketIO. It is simple dict, expanded with the Flask session
+    attributes."""
+    pass
+
+
 class SocketIO(object):
     """Create a Flask-SocketIO server.
 
@@ -606,7 +614,7 @@ def _handle_event(self, handler, message, namespace, sid, *args):
                 # created as a copy of the regular user session
                 if 'saved_session' not in self.server.environ[sid]:
                     self.server.environ[sid]['saved_session'] = \
-                        dict(flask.session)
+                        _ManagedSession(flask.session)
                 session_obj = self.server.environ[sid]['saved_session']
             else:
                 # let Flask handle the user session