Пример #1
0
    def test_remove_all_func(self):
        """
        %header
        REMOVE ALL func:contains_hibbard
        """
        print("Test tag removal by")
        dicom_file = get_file(self.dataset)

        def contains_hibbard(dicom, value, field, item):
            from pydicom.tag import Tag

            tag = Tag(field.element.tag)

            if tag in dicom:
                currentvalue = str(dicom.get(tag).value).lower()
                if "hibbard" in currentvalue:
                    return True
                return False

        actions = [{
            "action": "REMOVE",
            "field": "ALL",
            "value": "func:contains_hibbard"
        }]
        recipe = create_recipe(actions)

        # Create a parser, define function for it
        parser = DicomParser(dicom_file, recipe=recipe)
        parser.define("contains_hibbard", contains_hibbard)
        parser.parse()

        self.assertEqual(156, len(parser.dicom))
        with self.assertRaises(KeyError):
            check1 = parser.dicom["ReferringPhysicianName"].value
        with self.assertRaises(KeyError):
            check2 = parser.dicom["PhysiciansOfRecord"].value
        with self.assertRaises(KeyError):
            check3 = parser.dicom["RequestingPhysician"].value
        with self.assertRaises(KeyError):
            check4 = parser.dicom["00331019"].value
Пример #2
0
    def test_extract_groups(self):
        print("Test deid.dicom.groups extract_values_list")
        from deid.dicom.groups import extract_values_list, extract_fields_list

        dicom = get_dicom(self.dataset)
        fields = get_fields(dicom)

        # Test split action
        actions = [{
            "action": "SPLIT",
            "field": "PatientID",
            "value": 'by="^";minlength=4'
        }]
        expected_names = dicom.get("PatientID").split("^")
        actual = extract_values_list(dicom, actions)
        self.assertEqual(actual, expected_names)

        # Test field action
        actions = [{"action": "FIELD", "field": "startswith:Operator"}]
        expected_operator = [
            x.element.value for uid, x in fields.items()
            if x.element.keyword.startswith("Operator")
        ]
        actual = extract_values_list(dicom, actions)
        self.assertEqual(actual, expected_operator)

        print("Test deid.dicom.groups extract_fields_list")
        actions = [{"action": "FIELD", "field": "contains:Instance"}]
        expected = {
            uid: x
            for uid, x in fields.items() if "Instance" in x.element.keyword
        }
        actual = extract_fields_list(dicom, actions)
        for uid in expected:
            assert uid in actual

        # Get identifiers for file
        ids = get_identifiers(dicom)
        self.assertTrue(isinstance(ids, dict))

        # Add keys to be used for replace to ids - these first are for values
        parser = DicomParser(dicom, recipe=self.deid)
        parser.define("cookie_names", expected_names)
        parser.define("operator_names", expected_operator)

        # This is for fields
        parser.define("instance_fields", expected)
        parser.define("id", "new-cookie-id")
        parser.define("source_id", "new-operator-id")
        parser.parse()

        # Were the changes made?
        assert parser.dicom.get("PatientID") == "new-cookie-id"
        assert parser.dicom.get("OperatorsName") == "new-operator-id"

        # Instance fields should be removed based on recipe
        for uid, field in parser.lookup["instance_fields"].items():
            self.assertTrue(field.element.keyword not in parser.dicom)

        # Start over
        dicom = get_dicom(self.dataset)

        # We need to provide ids with variables "id" and "source_id"
        ids = {
            dicom.filename: {
                "id": "new-cookie-id",
                "source_id": "new-operator-id"
            }
        }

        # Returns list of updated dicom, since save is False
        replaced = replace_identifiers(dicom,
                                       save=False,
                                       deid=self.deid,
                                       ids=ids)
        cleaned = replaced.pop()

        self.assertEqual(cleaned.get("PatientID"), "new-cookie-id")
        self.assertEqual(cleaned.get("OperatorsName"), "new-operator-id")