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#6213 Prepend "meta" to MetaTensor.__repr__ and MetaTensor.__str__ for easier identification #6214

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Merged
wyli merged 3 commits into from
Mar 21, 2023
Merged

#6213 Prepend "meta" to MetaTensor.__repr__ and MetaTensor.__str__ for easier identification #6214

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19d05c2
Prepend "meta" to `MetaTensor.__repr__` and `MetaTensor.__str__` for …
Mar 21, 2023
c2849d6
Update docstrings to no longer say output is identical to torch.Tensor
Mar 21, 2023
102d0ab
Merge branch 'dev' into metatensor-repr
wyli Mar 21, 2023
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10 changes: 6 additions & 4 deletions monai/data/meta_tensor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -569,17 +569,19 @@ def ensure_torch_and_prune_meta(

def __repr__(self):
"""
Prints a representation of the tensor identical to ``torch.Tensor.__repr__``.
Prints a representation of the tensor.
Prepends "meta" to ``torch.Tensor.__repr__``.
Use ``print_verbose`` for associated metadata.
"""
return self.as_tensor().__repr__()
return f"meta{self.as_tensor().__repr__()}"

def __str__(self):
"""
Prints a representation of the tensor identical to ``torch.Tensor.__str__``.
Prints a representation of the tensor.
Prepends "meta" to ``torch.Tensor.__str__``.
Use ``print_verbose`` for associated metadata.
"""
return str(self.as_tensor())
return f"meta{str(self.as_tensor())}"

def print_verbose(self) -> None:
"""Verbose print with meta data."""
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4 changes: 2 additions & 2 deletions tests/test_meta_tensor.py
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Expand Up @@ -430,8 +430,8 @@ def test_decollate(self, dtype):

def test_str(self):
t = MetaTensor([1.0], affine=torch.tensor(1), meta={"fname": "filename"})
self.assertEqual(str(t), "tensor([1.])")
self.assertEqual(t.__repr__(), "tensor([1.])")
self.assertEqual(str(t), "metatensor([1.])")
self.assertEqual(t.__repr__(), "metatensor([1.])")

def test_shape(self):
s = MetaTensor([1])
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