def test_reader_pixeldata(a_dataset):
"""Check json serialization of pixeldata"""
only_pixeldata = Dataset()
only_pixeldata.PixelData = a_dataset.PixelData
only_pixeldata.SpecificCharacterSet = a_dataset.SpecificCharacterSet
output = to_json(only_pixeldata)
loaded = Dataset.from_json(json.loads(output))
assert loaded.PixelData == a_dataset.PixelData
def test_reconstruct(a_dataset):
"""Read dataset, serialise, then deserialise"""
original = list(deepcopy(a_dataset))
reloaded = Dataset.from_json(to_json(a_dataset))
# make sure all elements that were included are the same as original
for data_element in reloaded:
assert data_element in original
def to_dict(self) -> Dict:
"""Serializable representation of this annotated dataset.
Insert NO_ANNOTATION type annotations for each DICOM element, so that
annotations can easily be added in a text editor
"""
annotations_dict = {x.tag: x.to_dict() for x in self.annotations}
for element in self.dataset:
if element.tag not in annotations_dict:
# No annotation for this tag. Add an empty one to help json editors
annotation = EmptyAnnotation(tag=element.tag,
tag_info=str(element))
annotations_dict[annotation.tag_key] = annotation.to_dict()
return {
"dataset": to_json(self.dataset),
"annotations": list(annotations_dict.values()),
"description": self.description,
}
def to_json(self):
return to_json(self.dataset)
def test_reader(a_dataset):
"""Simple load to from dicom json"""
output = to_json(a_dataset)
loaded = Dataset.from_json(json.loads(output))
assert len(loaded) == 106