@staticmethod
    def from_file(fn, **options):
        if hasattr(fn, 'read'):
            return TableFu(fn, **options)
        with open(fn) as f:
            return TableFu(f, **options)
Decorator that rolls back all open connections after fn execution.
dataset/ETHPy150Open eyeseast/python-tablefu/table_fu/__init__.py/TableFu.from_file--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/engines.py/rollback_open_connections