| def is_fp_closed(obj): | |
| """ | |
| Checks whether a given file-like object is closed. | |
| :param obj: | |
| The file-like object to check. | |
| """ | |
| try: | |
| # Check via the official file-like-object way. | |
| return obj.closed | |
| except AttributeError: | |
| pass | |
| try: | |
| # Check if the object is a container for another file-like object that | |
| # gets released on exhaustion (e.g. HTTPResponse). | |
| return obj.fp is None | |
| except AttributeError: | |
| pass | |
| raise ValueError("Unable to determine whether fp is closed.") |