You can request the DBA team to provide 755 permissions on the oracle install directory so, every user has read access on the binaries and for tnsname.ora mostly it will be a installer ID other than sas then, you need access to id DBA team used for installation to edit the tnsnames.ora file. Other thing I suggest to use a softlink to a file which sas has write access so, you can edit it in future.     -Hari Mummidi ... View more

I think the default port is 5570 for CAS Server and you are using 443 in the python code, 443 is used if you are using HTTPS API calls import swat s = swat.CAS("cloud.example.com", 5570,user,pwd) For HTTPS end point  s = swat.CAS("https://webserver.example.com/cas-shared-default-http/",username=user,passsword=pwd) Make Sure you have the trusted cacerts imported to local machine from the server. More details can be found from  https://go.documentation.sas.com/api/docsets/caspg3/3.4/content/caspg3.pdf ... View more