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Add Packages to the desc-stack Environment

If you are new to DESC and DESC python environments, please consult our related documentation for NERSC or IN2P3.

You may have additional packages or an updated version of a package that you want to install alongside desc-stack (or desc-stack-weekly or desc-stack-weekly-latest).

  • If this is a package of general interest, please consult within your Working Groups and then request the package be added to desc-python and/or desc-stack by opening an issue in desc-help.

To add package(s) locally to your desc-stack environment

Create a directory to store the installation artifacts associated with your new packages, create the DESCSTACKUSERBASE environment variable and then pip install the packages you wish to add.

  •  cd $SCRATCH   # I just chose SCRATCH.. you could use another area
 mkdir <yourInstallArea>
 export DESCSTACKUSERBASE=$PWD/<yourInstallArea>   # This env var is recognized by the desc-stack-weekly setup, so --user installs will use this dir
 # For desc-python, use DESCPYTHONUSERAREA.  For desc-python-bleed, use DESCPYTHONBLEEDUSERBASE
 python /global/common/software/lsst/common/miniconda/start-kernel-cli.py desc-stack-weekly
 unset PYTHONNOUSERSITE
 pip install --user --no-build-isolation <NewPackage>

To enable your installed packages the next time you set up desc-stack-weekly in Jupyter or on the command line, you will need to set the following in your $HOME/.bashrc:

export DESCSTACKUSERBASE=<fullPathtoYourInstallArea>