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Building readline on linux requires that a dev package of ncurses is installed but it's typically not installed by default. It turns out that pip's requirements file format has a way to mark modules as OS dependent, we just need to use it. Change-Id: Iacb5289a8406cfb975dd98867450228f4df275eb Reviewed-on: http://gerrit.cloudera.org:8080/1640 Reviewed-by: Martin Grund <mgrund@cloudera.com> Tested-by: Internal Jenkins
To install new packages: 1) Add your package to deps/requirements.txt. 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.