Link Numpy and Scipy to a virtual env

link_numpy_scipy_to_virtual_env.sh

#!/bin/bash
set -e
if [[ -z $1 ]]
then
  echo "must supply virtualenvname"
  exit 128
fi

# This lists the packages to link from the system site packages
PACKAGES_TO_INSTALL=(numpy scipy)

virtual_site_packages=/opt/virtualenvs/${1}/lib/python2.7/site-packages

# Set up the packages in arr
for pkg in ${PACKAGES_TO_INSTALL[*]}
do
  global_pkg=`python -c "import ${pkg}; import os; import sys; sys.stdout.write(os.path.split(${pkg}.__file__)[0])"`
  virtual_pkg=$virtual_site_packages/$pkg
  if [ -e "$global_pkg" ]
  then
    ln -sf $global_pkg $virtual_pkg
  else
    echo "Package $pkg was not installed on the system. Aborting."
    exit 1
  fi
done