def exists(self):
        try:
            self._get_description()
        except ServerError as e:
            if 'was not found' in str(e):
                return False
            else:
                raise
        except:
            raise

        return True
Verify that a downloaded file has the expected sha1.
dataset/ETHPy150Open tdevelioglu/python-f5/f5/poolmember.py/PoolMember.exists--crossover with--dataset/ETHPy150Open dvarrazzo/pgxnclient/pgxnclient/commands/install.py/Download.verify_checksum