scripts/setup.py

import os


os.environ["SANDBOX_ROOT"] = os.path.dirname(os.path.abspath(__file__)) + "/.."
os.environ["PYTHONPATH"] = f"{os.getenv('SANDBOX_ROOT')}:{os.getenv('PYTHONPATH')}"

print(f";; SANDBOX_ROOT=\"{os.getenv('SANDBOX_ROOT')}\"")
print(f";; PYTHONPATH=\"{os.getenv('PYTHONPATH')}\"")