Get session ID from cookie, load corresponding session data from coupled store and inject session data into
            the request context.

def process_request(self, request, response):
        """Get session ID from cookie, load corresponding session data from coupled store and inject session data into
            the request context.
        """
        sid = request.cookies.get(self.cookie_name, None)
        data = {}
        if sid is not None:
            if self.store.exists(sid):
                data = self.store.get(sid)
        request.context.update({self.context_name: data})