(self)
| 22 | raise io.UnsupportedOperation("File not open for writing") |
| 23 | |
| 24 | def _check_can_seek(self): |
| 25 | if not self.readable(): |
| 26 | raise io.UnsupportedOperation("Seeking is only supported " |
| 27 | "on files open for reading") |
| 28 | if not self.seekable(): |
| 29 | raise io.UnsupportedOperation("The underlying file object " |
| 30 | "does not support seeking") |
| 31 | |
| 32 | |
| 33 | class DecompressReader(io.RawIOBase): |