docker-venv-export.sh

#!/bin/bash
#
#  Virtual Env Export
#  
#  Copies the dist-packages directory out of a built container.
#  
#  This allows you access the packages installed (say for IDE support).


if [ $# -lt 1 ]; then
    echo "Usage: $0 CONTAINER [DEST]"
    exit 1
fi

CONTAINER="$1"

CONTAINER_ID=$(docker create "$CONTAINER")

DEST_CONTAINER=$(echo "$CONTAINER" | sed 's/[a-zA-Z0-9_\-]\+\.\([a-zA-Z0-9_\-]\+\)\.[0-9]\+/\1/')

DEST="${2-$DEST_CONTAINER-venv}"
mkdir -p "${DEST}"
set -x
docker cp "$CONTAINER_ID":/usr/local/lib/python2.7/dist-packages "${DEST}"
set +x
docker rm "$CONTAINER_ID"
echo "VirtualEnv copied to ${DEST}/dist-packages"