An adapter to work around old checkpoint format, where the keys are op names instead of tensor names (with :0).
| 40 | |
| 41 | |
| 42 | class CheckpointReaderAdapter(object): |
| 43 | """ |
| 44 | An adapter to work around old checkpoint format, where the keys are op |
| 45 | names instead of tensor names (with :0). |
| 46 | """ |
| 47 | def __init__(self, reader): |
| 48 | self._reader = reader |
| 49 | m = self._reader.get_variable_to_shape_map() |
| 50 | self._map = {k if k.endswith(':0') else k + ':0': v |
| 51 | for k, v in six.iteritems(m)} |
| 52 | |
| 53 | def get_variable_to_shape_map(self): |
| 54 | return self._map |
| 55 | |
| 56 | def get_tensor(self, name): |
| 57 | if self._reader.has_tensor(name): |
| 58 | return self._reader.get_tensor(name) |
| 59 | if name in self._map: |
| 60 | assert name.endswith(':0'), name |
| 61 | name = name[:-2] |
| 62 | return self._reader.get_tensor(name) |
| 63 | |
| 64 | def has_tensor(self, name): |
| 65 | return name in self._map |
| 66 | |
| 67 | # some checkpoint might not have ':0' |
| 68 | def get_real_name(self, name): |
| 69 | if self._reader.has_tensor(name): |
| 70 | return name |
| 71 | assert self.has_tensor(name) |
| 72 | return name[:-2] |
| 73 | |
| 74 | |
| 75 | class MismatchLogger(object): |
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