Utility method to generate the many possible pickle configurations.
()
| 5504 | |
| 5505 | @staticmethod |
| 5506 | def _generate_pickle_copiers(): |
| 5507 | """Utility method to generate the many possible pickle configurations. |
| 5508 | """ |
| 5509 | class PickleCopier: |
| 5510 | "This class copies object using pickle." |
| 5511 | def __init__(self, proto, dumps, loads): |
| 5512 | self.proto = proto |
| 5513 | self.dumps = dumps |
| 5514 | self.loads = loads |
| 5515 | def copy(self, obj): |
| 5516 | return self.loads(self.dumps(obj, self.proto)) |
| 5517 | def __repr__(self): |
| 5518 | # We try to be as descriptive as possible here since this is |
| 5519 | # the string which we will allow us to tell the pickle |
| 5520 | # configuration we are using during debugging. |
| 5521 | return ("PickleCopier(proto={}, dumps={}.{}, loads={}.{})" |
| 5522 | .format(self.proto, |
| 5523 | self.dumps.__module__, self.dumps.__qualname__, |
| 5524 | self.loads.__module__, self.loads.__qualname__)) |
| 5525 | return (PickleCopier(*args) for args in |
| 5526 | itertools.product(range(pickle.HIGHEST_PROTOCOL + 1), |
| 5527 | {pickle.dumps, pickle._dumps}, |
| 5528 | {pickle.loads, pickle._loads})) |
| 5529 | |
| 5530 | @support.thread_unsafe |
| 5531 | def test_pickle_slots(self): |
no test coverage detected