def physical_db(temp_folder):
"""Setup a database in a temp folder."""
db_path = os.path.join(temp_folder, 'store.sqlite3')
db_uri = "sqlite:///{}".format(db_path)
db = Brain(uri=db_uri)
db.create_all()
return db
def db():
"""Setup an empty database."""
_db = Brain()
_db.create_all()
return _db