wanting to connect to a opc server using python

[cynix284]

I am trying to connect to an opc-ua server by using python. I have defined username and password in the server.
when i am trying to connect to the server it gives me an error.
for connection i am using activate_session() function.
can anybody tell me how to connect to an server having username and password in python.

[AndreasHeine]

https://github.com/AndreasHeine/SecurePythonOpcUaClient/blob/33a5a0c94a45fea4a394bdc2f7d75fe06215bc07/client.py#L6-L7