def _run_action(self, field, action, value=None):
"""perform_action (above) typically is called using a loaded deid,
and _run_addition is typically done via an addition in a config
Both result in a call to this function. If an action fails or is not
done, None is returned, and the calling function should handle this.
"""
# Blank the value
if action == "BLANK":
self.blank_field(field)
# Unlikely to be called from perform_action
elif action == "ADD":
self.add_field(field, value)
# Code the value with something in the response
elif action == "REPLACE":
self.replace_field(field, value)
# Code the value with something in the response
elif action == "JITTER":
value = parse_value(item=self.lookup,
dicom=self.dicom,
value=value,
field=field)
if value is not None:
# Jitter the field by the supplied value
jitter_timestamp(dicom=self.dicom,
field=field.element.keyword,
value=value)
else:
bot.warning("JITTER %s unsuccessful" % field)
# elif "KEEP" --> Do nothing. Keep the original
# Remove the field entirely
elif action == "REMOVE":
# If a value is defined, parse it (could be filter)
do_removal = True
if value != None:
do_removal = parse_value(item=self.lookup,
dicom=self.dicom,
value=value,
field=field)
if do_removal == True:
self.delete_field(field)
def test_jitter_timestamp(self):
from deid.dicom.actions import jitter_timestamp
dicom = get_dicom(self.dataset)
print("Testing test_jitter_timestamp")
print("Case 1: Testing jitter_timestamp with DICOM Date (DA)")
dicom.StudyDate = '20131210'
dicom.data_element("StudyDate").VR = 'DA'
jitter_timestamp(dicom, "StudyDate", 10)
expected = '20131220'
self.assertEqual(dicom.StudyDate, expected)
print("Case 2: Testing with DICOM timestamp (DT)")
dicom.AcquisitionDateTime = '20131210081530'
dicom.data_element("AcquisitionDateTime").VR = 'DT'
jitter_timestamp(dicom, "AcquisitionDateTime", 10)
expected = '20131220081530.000000'
self.assertEqual(dicom.AcquisitionDateTime, expected)
print("Case 3: Testing with non-standard DICOM date (DA)")
dicom.StudyDate = '2013/12/10'
dicom.data_element("StudyDate").VR = 'DA'
jitter_timestamp(dicom, "StudyDate", 10)
expected = '20131220'
self.assertEqual(dicom.StudyDate, expected)
print("Case 4: Testing negative jitter value")
dicom.StudyDate = '20131210'
jitter_timestamp(dicom, "StudyDate", -5)
expected = '20131205'
self.assertEqual(dicom.StudyDate, expected)
print("Case 5: Testing with empty field")
dicom.StudyDate = expected = ''
jitter_timestamp(dicom, "StudyDate", 10)
self.assertEqual(dicom.StudyDate, expected)
print('Case 6: Testing with nonexistent field')
del dicom.StudyDate
jitter_timestamp(dicom, "StudyDate", 10)
self.assertTrue("StudyDate" not in dicom)
print("Case 7: Testing JITTER recipe action")
from deid.dicom.actions import perform_action
dicom.StudyDate = '20131210'
dicom.data_element("StudyDate").VR = 'DA'
JITTER = {"action": "JITTER", "field": "StudyDate", "value": "-5"}
expected = '20131205'
dicom = perform_action(dicom=dicom, action=JITTER)
self.assertTrue(dicom.StudyDate, expected)
def test_jitter_timestamp(self):
from deid.dicom.actions import jitter_timestamp
dicom = get_dicom(self.dataset)
print("Testing test_jitter_timestamp")
print("Case 1: Testing jitter_timestamp with DICOM Date (DA)")
dicom.StudyDate = "20131210"
dicom.data_element("StudyDate").VR = "DA"
jitter_timestamp(dicom, "StudyDate", 10)
expected = "20131220"
self.assertEqual(dicom.StudyDate, expected)
print("Case 2: Testing with DICOM timestamp (DT)")
dicom.AcquisitionDateTime = "20131210081530"
dicom.data_element("AcquisitionDateTime").VR = "DT"
jitter_timestamp(dicom, "AcquisitionDateTime", 10)
expected = "20131220081530.000000"
self.assertEqual(dicom.AcquisitionDateTime, expected)
print("Case 3: Testing with non-standard DICOM date (DA)")
dicom.StudyDate = "2013/12/10"
dicom.data_element("StudyDate").VR = "DA"
jitter_timestamp(dicom, "StudyDate", 10)
expected = "20131220"
self.assertEqual(dicom.StudyDate, expected)
print("Case 4: Testing negative jitter value")
dicom.StudyDate = "20131210"
jitter_timestamp(dicom, "StudyDate", -5)
expected = "20131205"
self.assertEqual(dicom.StudyDate, expected)
print("Case 5: Testing with empty field")
dicom.StudyDate = expected = ""
jitter_timestamp(dicom, "StudyDate", 10)
self.assertEqual(dicom.StudyDate, expected)
print("Case 6: Testing with nonexistent field")
del dicom.StudyDate
jitter_timestamp(dicom, "StudyDate", 10)
self.assertTrue("StudyDate" not in dicom)