Helper script to use esky with salt

mk_freeze.sh

#!/bin/sh
trap '[ -f patch.$$ ] && patch -R < patch.$$' 0
PATH="$PATH:`pwd`/patchelf/src"
set -e
#exec >/dev/null
[ -f setup.py ] || { printf "You seem to be in the wrong directory.\n"} >&2; exit 1; }
if ! which patchelf >/dev/null 2>&1; then
    printf "Couldn't find 'patchelf', going to download and compile.\n" >&2
    git clone https://github.com/NixOS/patchelf
    (
    cd patchelf
    git checkout 0.6
    ./bootstrap.sh
    ./configure
    make
    )
fi
which virtualenv >/dev/null 2>&1 ||  { printf "'virtualenv' not found.\n" >&2; exit 1; }
which swig >/dev/null 2>&1 || { printf "'swig' not found.\n" >&2; exit 1; }
if [ -f freeze.cfg ]; then
    exec < freeze.cfg
    read deps
    read includes
    read ppath
else
    printf "Enter a space separated list of packages to add as requirements:\n"
    read deps
    printf "Enter a space separated list of modules to attempt to include in the freeze:\n"
    read includes
    printf "Enter a colon separated list of paths to include in PYTHONPATH:\n"
    read ppath
fi
export deps includes ppath
(
    virtualenv --system-site-packages .env
    . .env/bin/activate
    pip install --upgrade pip
    pip install --egg bbfreeze esky
    cp setup.py setup.py.$$
    cp requirements.txt requirements.txt.$$
    for i in ${includes}; do
        sed -i "/elif sys\\.platform\\.startswith('linux'):/a\\
    freezer_includes.append('$i')" setup.py.$$
    done
    for i in ${deps}; do
        echo $i >> requirements.txt.$$
    done
    diff -u setup.py setup.py.$$ > setup.py.patch.$$ || true
    diff -u requirements.txt requirements.txt.$$ > requirements.txt.patch.$$ || true
    rm setup.py.$$ requirements.txt.$$
    patch < setup.py.patch.$$
    patch < requirements.txt.patch.$$
    python setup.py develop
    python setup.py bdist
    PYTHONPATH="$PYTHONPATH:$ppath" python setup.py bdist_esky
)

If one would, for example, like to include the redis module so the redis returner can be used and ldap for a custom grain, the freeze.cfg would look like this:

redis python-ldap
redis ldap