__init__.py 文件源码

def run(self, with_intermediate_file=False, cwd=None):
        """Method to run the backup command where it applies."""

        command = self.build_dump_command()

        if with_intermediate_file:
            try:
                backup_file_f = open('%s/%s' % (self.output_directory,
                                                self.backup_file), 'w')
            except IOError as exc:
                raise

            p = subprocess.Popen(command.split(), stdout=backup_file_f,
                                 env=self.env, cwd=cwd)
            p.wait()
            backup_file_f.flush()
        else:
            FNULL = open(os.devnull, 'w')
            p = subprocess.Popen(command.split(), env=self.env, cwd=cwd,
                                 stdout=FNULL, stderr=subprocess.STDOUT)