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64b324ac40
Build Python 3 eggs for the shell tarball so it works with both Python 2 and Python 3. The impala-shell script selects eggs based on the available Python version. Inlines thrift for impala-shell so we can easily build Python 2 and Python 3 versions, consistent with other libraries. The impala-shell version should always be at least as new as IMPALA_THRIFT_PY_VERSION. Thrift 0.13.0+ wraps all exceptions during TSocket read/write operations in TTransportException. Specifically socket.error that we got as raw exceptions are now wrapped. Unwraps them before raising to preserve prior behavior. A specific Python version can be selected with IMPALA_PYTHON_EXECUTABLE; otherwise it will use 'python', and if unavailable try 'python3'. Adds tests for impala-shell tarball with Python 3. Change-Id: I94f86de9e2a6303151c2f0e6454b5f629cbc9444 Reviewed-on: http://gerrit.cloudera.org:8080/18653 Reviewed-by: Wenzhe Zhou <wzhou@cloudera.com> Reviewed-by: Joe McDonnell <joemcdonnell@cloudera.com> Tested-by: Impala Public Jenkins <impala-public-jenkins@cloudera.com>