venv_switch.sh

#!/bin/sh
# venv_switch.sh
# switch between different virtual environments

# verify a virtualenv is passed in
if [ $# -ne 1 ]
then
    echo 'Usage: venv_switch venv-label'
    exit -1
fi

# verify the virtualenv exists
VENV_PATH=~/python-projects/virtualenv/$1

# activate env script
ACTIVATE_ENV=~/python-projects/virtualenv/activate

echo $VENV_PATH
if [ -e $VENV_PATH ]
then
    echo 'Switching to virtualenv' $VENV_PATH
    echo "Starting new bash shell.  Simply 'exit' to return to previous shell"
else
    echo 'Error: virtualenv' $VENV_PATH 'does not exist!'
    exit -1
fi

rm $ACTIVATE_ENV
ln -s ~/python-projects/virtualenv/$1/bin/activate $ACTIVATE_ENV

# Launch new terminal
bash --rcfile ~/.virtualenvrc