Ng>$dZGddZdS)z:Middleware for making it easier to do distributed tracing.c$eZdZdZdZdefdZdS)TracingMiddlewareaZMiddleware for propagating distributed tracing context using LangSmith. This middleware checks for the 'langsmith-trace' header and propagates the tracing context if present. It does not start new traces by default. It is designed to work with ASGI applications. Attributes: app: The ASGI application being wrapped. c.ddlm}||_||_dS)zInitialize the middleware.)tracing_contextN)langsmith.run_helpersr _with_headersapp)selfr rs P/var/www/html/ai-engine/env/lib/python3.11/site-packages/langsmith/middleware.py__init__zTracingMiddleware.__init__s'999999,scopec0K|ddkrjd|vrft|d}d|vrM||5||||d{Vdddn #1swxYwYdS||||d{VdS)aHandle incoming requests and propagate tracing context if applicable. Args: scope: A dict containing ASGI connection scope. receive: An awaitable callable for receiving ASGI events. send: An awaitable callable for sending ASGI events. If the request is HTTP and contains the 'langsmith-trace' header, it propagates the tracing context before calling the wrapped application. Otherwise, it calls the application directly without modifying the context. typehttpheadersslangsmith-trace)parentN)dictrr )r rreceivesendrs r __call__zTracingMiddleware.__call__s =F " "yE'9'95+,,G!W,,''w'7799((5'4888888888999999999999999hhugt,,,,,,,,,,,sA,,A03A0N)__name__ __module__ __qualname____doc__r rrr r rrsH-D------r rN)rrrr r rs=@@$-$-$-$-$-$-$-$-$-$-r