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When rebasing from an older commit, the version change in virtualenv can cause there to be multiple virtualenv tarballs of different versions in the infra/python/deps directory. bootstrap_virtualenv.py currently doesn't handle this gracefully, because it is looking for all virtualenv*.tar.gz files and fails when it finds more than one. This changes bootstrap_virtualenv.py to get the virtualenv version from the requirements.txt file and only look for the tarball with that version. If it fails to get the version, it falls back to the old method. Testing: - Copied virtualenv-16.7.10.tar.gz to virtualenv-16.7.9.tar.gz and verified that bootstrap_virtualenv.py works Change-Id: Iebfa9ba5e223d5187414e02e24f34562418fae40 Reviewed-on: http://gerrit.cloudera.org:8080/17249 Reviewed-by: Joe McDonnell <joemcdonnell@cloudera.com> Tested-by: Joe McDonnell <joemcdonnell@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.