| 20 | |
| 21 | |
| 22 | class Error(Exception): |
| 23 | def __init__(self, cmd, stdout, stderr): |
| 24 | super(Error, self).__init__( |
| 25 | '{} error (see stderr output for detail)'.format(cmd) |
| 26 | ) |
| 27 | self.stdout = stdout |
| 28 | self.stderr = stderr |
| 29 | |
| 30 | |
| 31 | def _get_input_args(input_node): |