Returns whether `x` is a placeholder. Arguments: x: A candidate placeholder. Returns: Boolean.
(x)
| 1053 | |
| 1054 | |
| 1055 | def is_placeholder(x): |
| 1056 | """Returns whether `x` is a placeholder. |
| 1057 | |
| 1058 | Arguments: |
| 1059 | x: A candidate placeholder. |
| 1060 | |
| 1061 | Returns: |
| 1062 | Boolean. |
| 1063 | """ |
| 1064 | try: |
| 1065 | if isinstance(x, composite_tensor.CompositeTensor): |
| 1066 | flat_components = nest.flatten(x, expand_composites=True) |
| 1067 | return py_any(is_placeholder(c) for c in flat_components) |
| 1068 | else: |
| 1069 | return x.op.type == 'Placeholder' |
| 1070 | except AttributeError: |
| 1071 | return False |
| 1072 | |
| 1073 | |
| 1074 | def freezable_variable(value, shape=None, name=None): |
no test coverage detected