Create virtualenv

virtualenv -ppython3 venv
source venv/bin/activate
pip install -r requirements.txt # install dependencies
pip install -e . # install package itself

For available commands and config parameters run

graph-data --help

Generate 200 students in a single batch to stdout

graph-data --batch_size 200 batch

Generate 500 batches, each containing 200 students into /tmp/dump directory

graph-data --batches 500 --batch_size 200 --output_dir /tmp/dump dump