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in python 3 environment when kerberos_host_fqdn option is used In Pyhton 2, the sasl layer does not accept unicode strings, so we have to explicitly encode the kerberos_host_fqdn string to ascii. However, this is not the case in python 3, where we have to omit the encode, because if we don't do this, impala-shell wants to use the following service principal during Kerberos auth: my_service_name/b'my.kerberos.host.fqdn'@MY.REALM instead of the correct one, which is: my_service_name/my.kerberos.host.fqdn@MY.REALM (This is because the output of the encode function is a byte array in python 3.) Tested with new unit tests and with a snapshot build manually in CDP PVC DS. Change-Id: I8b157d76824ad67faf531a529256a8afe2ab9d49 Reviewed-on: http://gerrit.cloudera.org:8080/20691 Reviewed-by: Michael Smith <michael.smith@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com> Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com>
To install new packages: 1) Add your package to deps/requirements.txt, or deps/compiled-requirements.txt if the the package needs a C/C++ compiler to build . You should specify the version number using the "foo == x.y.z" notation so future upgrades can be done automatically. 2) Run deps/download_requirements, it will download the package to the deps dir. 3) Run the "impala-python" command, this should detect that requirements.txt changed and automatically rebuild the virtualenv. 4) Now in the python prompt, you should be able to import the new module. To upgrade a package: 1) Edit deps/requirement.txt to use the version you need. 2) Go to step 2 above.