setdsm sets the DJANGO_SETTINGS_MODULE to the settings.py in the current directory and add the current directory and it’s parent to PYTHONPATH. Source: http://www.juiceanalytics.com/writing/django_settings_module/

setdsm.sh

function setdsm() {
    # add the current directory and the parent directory to PYTHONPATH
    # sets DJANGO_SETTINGS_MODULE
    export PYTHONPATH=$PYTHONPATH:$PWD/..
    export PYTHONPATH=$PYTHONPATH:$PWD
    if [ -z "$1" ]; then 
        x=${PWD/\/[^\/]*\/}
        export DJANGO_SETTINGS_MODULE=$x.settings
    else    
        export DJANGO_SETTINGS_MODULE=$1
    fi

    echo "DJANGO_SETTINGS_MODULE set to $DJANGO_SETTINGS_MODULE"
}