NEURON pyenv install script

nrnpyenv_install.sh

#!/bin/bash
# https://github.com/neuronsimulator/nrn/issues/409#issuecomment-576953060
#
# If first arg is "clean" then remove the neuron module
#  from site-packages and exit.
#
# If first arg is "test" then run "python -c 'import neuron; neuron.test()'"
#
# If first arg is "install" then build and install with support for all
# subsequent pyenv version names.

# The "pyenv versions" that we want to work with.
versions=${@:2}

set -e

clean=
test=
if test "$1" = "clean" ; then
  clean="yes"
fi
if test "$1" = "test" ; then
  test="yes"
fi

set PATH="$HOME/.pyenv/bin:$PATH"
export PATH
which pyenv
#just in case
unset PYTHONPATH
unset NEURONHOME


pythons=""
eval "$(pyenv init -)"
for i in $versions ; do
  pyenv shell $i
  python=`pyenv which python`
  if test "$test" = "yes" ; then
    echo "testing $i"
    python -c 'import neuron; neuron.test()'
  fi
  pyenv shell --unset
  pythons="${pythons}${python};"
  pydir=`dirname $python`
  pydir=`realpath $pydir/..`
  sitepack=`find $pydir -name site-packages`
  if test "$clean" = "yes" ; then
    echo "cleaning $sitepack"
    if test -d "$sitepack" ; then
      (cd $sitepack ; rm -f -r neuron NEURON*)
    else
      echo "could not find site-packages for $python"
    fi
  fi
done

if test "$clean" = "yes" ; then
  echo "cleaned $versions"
  exit 0
fi
if test "$test" = "yes"; then
  echo "tested $versions"
  exit 0
fi

echo $pythons

if [ -d "build" ]; then rm -rf build fi
mkdir build && cd build
cmake .. -DCMAKE_INSTALL_PREFIX=install \
 -DNRN_ENABLE_INTERVIEWS=OFF \
 -DNRN_ENABLE_CORENEURON=OFF \
 -DNRN_MODULE_INSTALL_OPTIONS="" \
 -DNRN_ENABLE_PYTHON_DYNAMIC=ON \
 -DNRN_PYTHON_DYNAMIC="$pythons"

make -j
make install