Interactively dry-run Django code that changes data in the DB, with ability to commit at the end

django_dry_run.py

from django.db import transaction

t = transaction.atomic()
t.__enter__()

# Do your stuff here...
pass

# If you want to *rollback* you changes:
t.__exit__('temp', 'temp', 'temp')

# If you want to *commit* your changes:
t.__exit__(None, None, None)