def test_callback_receive_c_find(self):
"""Check callback for receiving DIMSE C-FIND messages."""
# C-FIND-RQ
primitive = C_FIND()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.Identifier = BytesIO()
# No dataset
msg = C_FIND_RQ()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_find_rq(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
msg = C_FIND_RQ()
msg.primitive_to_message(primitive)
# Dataset
self.dimse.debug_receive_c_find_rq(msg)
# C-FIND-RSP
primitive = C_FIND()
primitive.MessageIDBeingRespondedTo = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.Identifier = BytesIO()
# No dataset
primitive.Status = 0x0000 # Must be for pending
msg = C_FIND_RSP()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_find_rsp(msg)
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
msg = C_FIND_RSP()
msg.primitive_to_message(primitive)
# Dataset
msg.data_set = BytesIO(encode(ref_ds, True, True))
self.dimse.debug_receive_c_find_rsp(msg)
# Non-pending status
msg.data_set.Status = 0x0001
self.dimse.debug_receive_c_find_rsp(msg)
# C-CANCEL-FIND-RQ
self.dimse.debug_receive_c_cancel_rq(msg)
def test_callback_receive_c_store(self):
"""Check callback for sending DIMSE C-STORE messages."""
# C-STORE-RQ
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO()
# No dataset
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_store_rq(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.DataSet = BytesIO(encode(ref_ds, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
# Dataset
self.dimse.debug_receive_c_store_rq(msg)
# C-STORE-RSP
primitive = C_STORE()
primitive.MessageIDBeingRespondedTo = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO()
# Check statuses + no dataset
for status in [0x0000, 0xb000, 0xb007, 0xb006, 0xa700, 0xa900, 0xc000]:
primitive.Status = status
msg = C_STORE_RSP()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_store_rsp(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
msg = C_STORE_RSP()
msg.primitive_to_message(primitive)
# Dataset
msg.data_set = BytesIO(encode(ref_ds, True, True))
self.dimse.debug_receive_c_store_rsp(msg)
def test_assignment(self):
""" Check assignment works correctly """
primitive = N_EVENT_REPORT()
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AffectedSOPInstanceUID
primitive.AffectedSOPInstanceUID = b'1.2.1'
assert primitive.AffectedSOPInstanceUID == UID('1.2.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = UID('1.2.2')
assert primitive.AffectedSOPInstanceUID == UID('1.2.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = '1.2.3'
assert primitive.AffectedSOPInstanceUID == UID('1.2.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# Event Information
ds = Dataset()
ds.PatientID = '1234567'
primitive.EventInformation = BytesIO(encode(ds, True, True))
ds = decode(primitive.EventInformation, True, True)
assert ds.PatientID == '1234567'
# Event Reply
ds = Dataset()
ds.PatientID = '123456'
primitive.EventReply = BytesIO(encode(ds, True, True))
ds = decode(primitive.EventReply, True, True)
assert ds.PatientID == '123456'
# Event Type ID
primitive.EventTypeID = 0x0000
assert primitive.EventTypeID == 0x0000
# MessageID
primitive.MessageID = 11
assert 11 == primitive.MessageID
# MessageIDBeingRespondedTo
primitive.MessageIDBeingRespondedTo = 13
assert 13 == primitive.MessageIDBeingRespondedTo
# Status
primitive.Status = 0x0000
assert primitive.Status == 0x0000
def test_implicit_little(self):
"""Test encoding using implicit VR little endian."""
ds = Dataset()
ds.PatientName = 'CITIZEN^Snips'
ds_enc = encode(ds, True, True)
assert ds_enc == (b'\x10\x00\x10\x00\x0e\x00\x00\x00\x43\x49'
b'\x54\x49\x5a\x45\x4e\x5e\x53\x6e\x69\x70'
b'\x73\x20')
ds.PerimeterValue = 10
ds_enc = encode(ds, True, True)
assert ds_enc is None
def test_explicit_big(self):
"""Test encoding using explicit VR big endian."""
ds = Dataset()
ds.PatientName = 'CITIZEN^Snips'
ds_enc = encode(ds, False, False)
assert ds_enc == (b'\x00\x10\x00\x10\x50\x4e\x00\x0e\x43\x49'
b'\x54\x49\x5a\x45\x4e\x5e\x53\x6e\x69\x70'
b'\x73\x20')
ds.PerimeterValue = 10
ds_enc = encode(ds, False, False)
assert ds_enc is None
def test_explicit_little(self):
"""Test encoding using explicit VR little endian."""
ds = Dataset()
ds.PatientName = "CITIZEN^Snips"
ds_enc = encode(ds, False, True)
assert ds_enc == (
b"\x10\x00\x10\x00\x50\x4e\x0e\x00\x43\x49"
b"\x54\x49\x5a\x45\x4e\x5e\x53\x6e\x69\x70"
b"\x73\x20"
)
ds.PerimeterValue = 10
ds_enc = encode(ds, False, True)
assert ds_enc is None
def test_conversion_rq(self):
""" Check conversion to a -RQ PDU produces the correct output """
primitive = C_MOVE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.Priority = 0x02
primitive.MoveDestination = validate_ae_title("MOVE_SCP")
ref_identifier = Dataset()
ref_identifier.PatientID = '*'
ref_identifier.QueryRetrieveLevel = "PATIENT"
primitive.Identifier = BytesIO(encode(ref_identifier, True, True))
dimse_msg = C_MOVE_RQ()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_move_rq_cmd
assert ds_pdv == c_move_rq_ds
def test_conversion_rsp(self):
"""Check conversion to a -RSP PDU produces the correct output"""
primitive = C_FIND()
primitive.MessageIDBeingRespondedTo = 5
primitive.AffectedSOPClassUID = "1.2.840.10008.5.1.4.1.1.2"
primitive.Status = 0xFF00
ref_identifier = Dataset()
ref_identifier.QueryRetrieveLevel = "PATIENT"
ref_identifier.RetrieveAETitle = "FINDSCP"
ref_identifier.PatientName = "ANON^A^B^C^D"
primitive.Identifier = BytesIO(encode(ref_identifier, True, True))
dimse_msg = C_FIND_RSP()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_find_rsp_cmd
# print(len(ds_pdv), len(c_find_rsp_ds))
# print(' '.join([f"{b:02X}" for b in ds_pdv]))
# print(' '.join([f"{b:02X}" for b in c_find_rsp_ds]))
assert ds_pdv == c_find_rsp_ds
def test_conversion_rsp(self):
""" Check conversion to a -RSP PDU produces the correct output """
primitive = C_MOVE()
primitive.MessageIDBeingRespondedTo = 5
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.Status = 0xFF00
primitive.NumberOfRemainingSuboperations = 3
primitive.NumberOfCompletedSuboperations = 1
primitive.NumberOfFailedSuboperations = 2
primitive.NumberOfWarningSuboperations = 4
ref_identifier = Dataset()
ref_identifier.QueryRetrieveLevel = "PATIENT"
ref_identifier.PatientID = "*"
primitive.Identifier = BytesIO(encode(ref_identifier, True, True))
dimse_msg = C_MOVE_RSP()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_move_rsp_cmd
assert ds_pdv == c_move_rsp_ds
def test_conversion_rsp(self):
""" Check conversion to a -RSP PDU produces the correct output """
primitive = N_ACTION()
primitive.MessageIDBeingRespondedTo = 5
primitive.AffectedSOPClassUID = '1.2.4.10'
primitive.AffectedSOPInstanceUID = '1.2.4.5.7.8'
primitive.Status = 0x0000
primitive.ActionTypeID = 1
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = "Tube HeNe"
primitive.ActionReply = BytesIO(encode(ds, True, True))
dimse_msg = N_ACTION_RSP()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
assert len(pdvs) == 2
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == n_action_rsp_cmd
assert ds_pdv == n_action_rsp_ds
def test_conversion_rq(self):
""" Check conversion to a -RQ PDU produces the correct output """
primitive = N_ACTION()
primitive.MessageID = 7
primitive.RequestedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.RequestedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48'
primitive.ActionTypeID = 1
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = "Tube HeNe"
primitive.ActionInformation = BytesIO(encode(ds, True, True))
dimse_msg = N_ACTION_RQ()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
assert len(pdvs) == 2
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == n_action_rq_cmd
assert ds_pdv == n_action_rq_ds
def test_conversion_rq(self):
""" Check conversion to a -RQ PDU produces the correct output """
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.DataSet = BytesIO(encode(ref_ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
pdvs = []
for fragment in dimse_msg.encode_msg(1, 16382):
pdvs.append(fragment)
cs_pdv = pdvs[0].presentation_data_value_list[0][1]
ds_pdv = pdvs[1].presentation_data_value_list[0][1]
assert cs_pdv == c_store_rq_cmd_b
assert ds_pdv == c_store_rq_ds_b
def test_assignment(self):
""" Check assignment works correctly """
primitive = C_STORE()
primitive.MessageID = 11
assert primitive.MessageID == 11
primitive.MessageIDBeingRespondedTo = 13
assert primitive.MessageIDBeingRespondedTo == 13
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AffectedSOPInstanceUID
primitive.AffectedSOPInstanceUID = b'1.2.1'
assert primitive.AffectedSOPInstanceUID == UID('1.2.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = UID('1.2.2')
assert primitive.AffectedSOPInstanceUID == UID('1.2.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = '1.2.3'
assert primitive.AffectedSOPInstanceUID == UID('1.2.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.Priority = 0x02
assert primitive.Priority == 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
assert primitive.MoveOriginatorApplicationEntityTitle == b'UNITTEST_SCP '
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST_SCP'
assert primitive.MoveOriginatorApplicationEntityTitle == b'UNITTEST_SCP '
primitive.MoveOriginatorMessageID = 15
assert primitive.MoveOriginatorMessageID == 15
ref_ds = Dataset()
ref_ds.PatientID = 1234567
primitive.DataSet = BytesIO(encode(ref_ds, True, True))
#assert primitive.DataSet, ref_ds)
primitive.Status = 0x0000
assert primitive.Status == 0x0000
primitive.Status = 0xC123
assert primitive.Status == 0xC123
primitive.Status = 0xEE01
assert primitive.Status == 0xEE01
def setup(self):
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO(encode(DATASET, True, True))
self.msg = C_STORE_RQ()
self.msg.primitive_to_message(primitive)
def handle(event):
if write_ds == 1:
with tempfile.TemporaryFile('w+b') as tfile:
ds = event.dataset
ds.file_meta = event.file_meta
ds.save_as(tfile)
elif write_ds in (2, 3):
with tempfile.TemporaryFile('w+b') as tfile:
tfile.write(encode(event.file_meta, False, True))
tfile.write(event.request.DataSet.getvalue())
return 0x0000
def setup(self):
"""Run prior to each test"""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = b'UNITTEST'
primitive.MoveOriginatorMessageID = 3
primitive.DataSet = BytesIO(encode(DATASET, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(primitive)
self.fragments = msg.encode_msg(1, 16382)
def _set_command_group_length(self):
"""Reset the Command Group Length element value.
Once the `command_set` Dataset has been built and filled with
values, this should be called to set the (Command Group Length* element
value correctly.
"""
# Remove CommandGroupLength to stop it messing up the length calc
del self.command_set.CommandGroupLength
# The Command Set is always Implicit VR Little Endian
self.command_set.CommandGroupLength = len(
encode(self.command_set, True, True))
def test_encode(self):
"""Test encoding of a DIMSE message."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = "1.1.1"
primitive.AffectedSOPInstanceUID = "1.2.1"
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = "UNITTEST"
primitive.MoveOriginatorMessageID = 3
# Test encode without dataset
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(12, 16):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b"\x01"
assert p_data_list[-1].presentation_data_value_list[0][1][
0:1] == b"\x03"
assert dimse_msg.context_id == 12
# Test encode with dataset
ds = Dataset()
ds.PatientID = "Test1101"
ds.PatientName = "Tube^HeNe"
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(13, 10):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b"\x01"
assert p_data_list[-1].presentation_data_value_list[0][1][
0:1] == b"\x02"
assert p_data_list[-2].presentation_data_value_list[0][1][
0:1] == b"\x00"
assert p_data_list[-10].presentation_data_value_list[0][1][
0:1] == b"\x03"
assert dimse_msg.context_id == 13
p_data_list = []
for pdata in dimse_msg.encode_msg(1, 31682):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][
1] == c_store_rq_cmd
assert p_data_list[1].presentation_data_value_list[0][1] == c_store_ds
def test_assignment(self):
""" Check assignment works correctly """
primitive = C_GET()
primitive.MessageID = 11
assert primitive.MessageID == 11
primitive.MessageIDBeingRespondedTo = 13
assert primitive.MessageIDBeingRespondedTo == 13
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.Priority = 0x02
assert primitive.Priority == 0x02
ref_ds = Dataset()
ref_ds.PatientID = 1234567
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
#assert primitive.DataSet, ref_ds)
primitive.Status = 0x0000
assert primitive.Status == 0x0000
primitive.Status = 0xC123
assert primitive.Status == 0xC123
primitive.Status = 0xEE01
assert primitive.Status == 0xEE01
primitive.NumberOfRemainingSuboperations = 1
assert primitive.NumberOfRemainingSuboperations == 1
primitive.NumberOfCompletedSuboperations = 2
assert primitive.NumberOfCompletedSuboperations == 2
primitive.NumberOfFailedSuboperations = 3
assert primitive.NumberOfFailedSuboperations == 3
primitive.NumberOfWarningSuboperations = 4
assert primitive.NumberOfWarningSuboperations == 4
def test_is_valid_request(self):
"""Test N_SET.is_valid_request"""
primitive = N_SET()
assert not primitive.is_valid_request
primitive.MessageID = 1
assert not primitive.is_valid_request
primitive.RequestedSOPClassUID = '1.2'
assert not primitive.is_valid_request
primitive.RequestedSOPInstanceUID = '1.2.1'
assert not primitive.is_valid_request
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = "Tube HeNe"
primitive.ModificationList = BytesIO(encode(ds, True, True))
assert primitive.is_valid_request
def test_decode(self):
"""Test decoding of a DIMSE message."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = "1.1.1"
primitive.AffectedSOPInstanceUID = "1.2.1"
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = "UNITTEST"
primitive.MoveOriginatorMessageID = 3
ds = Dataset()
ds.PatientID = "Test1101"
ds.PatientName = "Tube^HeNe"
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
# CMD: (1x4, 3x1), DS: (0x1, 2x1)
p_data = dimse_msg.encode_msg(12, 24)
# Command set decoding
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 1
dimse_msg.decode_msg(next(p_data)) # MCHB 3 - end of command set
assert dimse_msg.__class__ == C_STORE_RQ
# Test decoded command set
cs = dimse_msg.command_set
assert cs.CommandGroupLength == 94
assert cs.AffectedSOPClassUID == UID("1.1.1")
assert cs.AffectedSOPInstanceUID == UID("1.2.1")
assert cs.Priority == 2
assert cs.CommandDataSetType == 1
assert cs.CommandField == 1
assert cs.MoveOriginatorApplicationEntityTitle == "UNITTEST"
assert cs.MoveOriginatorMessageID == 3
# Test decoded dataset
dimse_msg.decode_msg(next(p_data)) # MCHB 1 # MCHB 0
dimse_msg.decode_msg(next(p_data)) # MCHB 1 # MCHB 2
assert dimse_msg.data_set.getvalue() == c_store_ds[1:]
# Test returns false
msg = C_STORE_RSP()
assert not msg.decode_msg(c_store_rsp_cmd)
def test_assignment(self):
""" Check assignment works correctly """
primitive = N_CREATE()
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AffectedSOPInstanceUID
primitive.AffectedSOPInstanceUID = b'1.2.1'
assert primitive.AffectedSOPInstanceUID == UID('1.2.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = UID('1.2.2')
assert primitive.AffectedSOPInstanceUID == UID('1.2.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPInstanceUID = '1.2.3'
assert primitive.AffectedSOPInstanceUID == UID('1.2.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
# AttributeList
ref_ds = Dataset()
ref_ds.PatientID = '1234567'
primitive.AttributeList = BytesIO(encode(ref_ds, True, True))
ds = decode(primitive.AttributeList, True, True)
assert ds.PatientID == '1234567'
# MessageID
primitive.MessageID = 11
assert 11 == primitive.MessageID
# MessageIDBeingRespondedTo
primitive.MessageIDBeingRespondedTo = 13
assert 13 == primitive.MessageIDBeingRespondedTo
# Status
primitive.Status = 0x0000
assert primitive.Status == 0x0000
def test_assignment(self):
""" Check assignment works correctly """
primitive = C_MOVE()
primitive.MessageID = 11
assert primitive.MessageID == 11
primitive.MessageIDBeingRespondedTo = 13
assert primitive.MessageIDBeingRespondedTo == 13
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.Priority = 0x02
assert primitive.Priority == 0x02
primitive.MoveDestination = 'UNITTEST_SCP'
assert primitive.MoveDestination == b'UNITTEST_SCP '
ref_ds = Dataset()
ref_ds.PatientID = 1234567
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
#assert primitive.DataSet, ref_ds)
primitive.Status = 0x0000
assert primitive.Status == 0x0000
primitive.Status = 0xC123
assert primitive.Status == 0xC123
primitive.Status = 0xEE01
assert primitive.Status == 0xEE01
def test_cstore_rq(self):
"""Test creation of a DIMSE Message from a primitive works OK."""
# Testing that primitive_to_message doesn't affect the original class
# definition
req = C_STORE()
req.MessageID = 12
req.AffectedSOPClassUID = self.ds.SOPClassUID
req.AffectedSOPInstanceUID = self.ds.SOPInstanceUID
req.Priority = 0x02
req.MoveOriginatorApplicationEntityTitle = None
req.MoveOriginatorMessageID = None
req.DataSet = BytesIO(encode(self.ds, True, True))
msg = C_STORE_RQ()
msg.primitive_to_message(req)
cs = msg.command_set
assert cs.CommandGroupLength == 88
assert cs.AffectedSOPClassUID == "1.2.840.10008.5.1.4.1.1"
assert cs.CommandField == 1
assert cs.MessageID == 12
assert cs.Priority == 2
assert cs.CommandDataSetType == 1
assert cs.AffectedSOPInstanceUID == "1.2.3.4"
assert "MoveOriginatorApplicationEntityTitle" not in cs
assert "MoveOriginatorMessageID" not in cs
assert msg.data_set.getvalue() != b""
# Test new class instance is OK
msg = C_STORE_RQ()
cs = msg.command_set
ds = msg.data_set
assert cs.CommandGroupLength is None
assert cs.AffectedSOPClassUID in ["", None] # pydicom upstream change
assert cs.CommandField is None
assert cs.MessageID is None
assert cs.Priority is None
assert cs.CommandDataSetType is None
assert cs.AffectedSOPInstanceUID in ["", None]
assert cs.MoveOriginatorApplicationEntityTitle is None
assert cs.MoveOriginatorMessageID is None
assert ds.getvalue() == b""
def test_callback_receive_c_move(self):
"""Check callback for receiving DIMSE C-MOVE messages."""
# C-MOVE-RQ
msg = C_MOVE_RQ()
self.dimse.debug_receive_c_move_rq(msg)
# C-MOVE-RSP
primitive = C_MOVE()
primitive.MessageIDBeingRespondedTo = 7
primitive.AffectedSOPClassUID = '1.2.840.10008.5.1.4.1.1.2'
primitive.AffectedSOPInstanceUID = '1.2.392.200036.9116.2.6.1.48.' \
'1215709044.1459316254.522441'
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST_SCP'
primitive.MoveOriginatorMessageID = 3
primitive.Identifier = BytesIO()
primitive.NumberOfCompletedSuboperations = 1
primitive.NumberOfWarningSuboperations = 3
primitive.NumberOfFailedSuboperations = 4
# No dataset, remaining subops
primitive.Status = 0x0000 # Must be for pending
msg = C_MOVE_RSP()
msg.primitive_to_message(primitive)
self.dimse.debug_receive_c_move_rsp(msg)
# Dataset
ref_ds = Dataset()
ref_ds.PatientID = 'Test1101'
ref_ds.PatientName = "Tube HeNe"
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
primitive.NumberOfRemainingSuboperations = 2
msg = C_GET_RSP()
msg.primitive_to_message(primitive)
# Dataset
self.dimse.debug_receive_c_move_rsp(msg)
# C-CANCEL-MOVE-RQ
self.dimse.debug_receive_c_cancel_rq(msg)
def test_encode_zero(self):
"""Test encoding with a 0 max pdu length."""
primitive = C_STORE()
primitive.MessageID = 7
primitive.AffectedSOPClassUID = '1.1.1'
primitive.AffectedSOPInstanceUID = '1.2.1'
primitive.Priority = 0x02
primitive.MoveOriginatorApplicationEntityTitle = 'UNITTEST'
primitive.MoveOriginatorMessageID = 3
# Test encode without dataset
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(12, 0):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b'\x03'
assert dimse_msg.context_id == 12
# Test encode with dataset
ds = Dataset()
ds.PatientID = 'Test1101'
ds.PatientName = 'Tube^HeNe'
primitive.DataSet = BytesIO(encode(ds, True, True))
dimse_msg = C_STORE_RQ()
dimse_msg.primitive_to_message(primitive)
p_data_list = []
for pdata in dimse_msg.encode_msg(13, 0):
p_data_list.append(pdata)
assert p_data_list[0].presentation_data_value_list[0][1][
0:1] == b'\x03'
assert p_data_list[0].presentation_data_value_list[0][
1] == c_store_rq_cmd
assert p_data_list[1].presentation_data_value_list[0][1][
0:1] == b'\x02'
assert p_data_list[1].presentation_data_value_list[0][1] == c_store_ds
assert dimse_msg.context_id == 13
def test_assignment(self):
""" Check assignment works correctly """
primitive = C_FIND()
primitive.MessageID = 11
assert primitive.MessageID == 11
primitive.MessageIDBeingRespondedTo = 13
assert primitive.MessageIDBeingRespondedTo == 13
# AffectedSOPClassUID
primitive.AffectedSOPClassUID = '1.1.1'
assert primitive.AffectedSOPClassUID == UID('1.1.1')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = UID('1.1.2')
assert primitive.AffectedSOPClassUID == UID('1.1.2')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.AffectedSOPClassUID = b'1.1.3'
assert primitive.AffectedSOPClassUID == UID('1.1.3')
assert isinstance(primitive.AffectedSOPClassUID, UID)
primitive.Priority = 0x02
assert primitive.Priority == 0x02
ref_ds = Dataset()
ref_ds.PatientID = '*'
ref_ds.QueryRetrieveLevel = "PATIENT"
primitive.Identifier = BytesIO(encode(ref_ds, True, True))
#assert primitive.DataSet, ref_ds)
primitive.Status = 0x0000
assert primitive.Status == 0x0000
primitive.Status = 0xC123
assert primitive.Status == 0xC123
primitive.Status = 0xEE01
assert primitive.Status == 0xEE01
def encode_msg(self, context_id, max_pdu_length):
"""Yield P-DATA primitive(s) for the current DIMSE Message.
**Encoding**
The encoding of the Command Set shall be Little Endian Implicit VR,
while the Data Set will be encoded as per the agreed presentation
context.
A P-DATA request PDV List parameter shall contain one or more PDVs.
Each PDV is wholly contained in a given P-DATA request and doesn't
span across several P-DATA request primitives.
The fragmentation of any message results in a series of PDVs that shall
be sent, on a given association, by a corresponding series of P-DATA
requests preserving the ordering of the fragments of any message.
No fragments of any other messages shall be sent until all fragments
of the current message have been sent.
Parameters
----------
context_id : int
The ID of the agreed presentation context.
max_pdu_length : int
The maximum PDV length in bytes.
Yields
------
pdu_primitives.P_DATA
The current DIMSE message as one or more P-DATA service
primitives.
References
----------
* DICOM Standard, Part 7, Section 6.3.1
* DICOM Standard, Part 8, Annex E
"""
self.context_id = context_id
# The Command Set is always Little Endian Implicit VR (PS3.7 6.3.1)
# encode(dataset, is_implicit_VR, is_little_endian)
encoded_command_set = encode(self.command_set, True, True)
# COMMAND SET (always)
# Split the command set into fragments with maximum size max_pdu_length
if max_pdu_length == 0:
no_fragments = 1
else:
no_fragments = ceil(
len(encoded_command_set) / (max_pdu_length - 6))
cmd_fragments = self._generate_pdv_fragments(encoded_command_set,
max_pdu_length)
# First to (n - 1)th command data fragment - bits xxxxxx01
for ii in range(int(no_fragments - 1)):
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x01' + next(cmd_fragments)])
yield pdata
# Last command data fragment - bits xxxxxx11
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x03' + next(cmd_fragments)])
yield pdata
# DATASET (if available)
# Check that the Data Set is not empty
if self.data_set is not None:
encoded_data_set = self.data_set.getvalue()
if encoded_data_set:
# Split the data set into fragments with maximum
# size max_pdu_length
if max_pdu_length == 0:
no_fragments = 1
else:
no_fragments = ceil(
len(encoded_data_set) / (max_pdu_length - 6))
ds_fragments = self._generate_pdv_fragments(
encoded_data_set, max_pdu_length)
# First to (n - 1)th dataset fragment - bits xxxxxx00
for ii in range(int(no_fragments - 1)):
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x00' + next(ds_fragments)])
yield pdata
# Last dataset fragment - bits xxxxxx10
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x02' + next(ds_fragments)])
yield pdata
def Encode(self, context_id, max_pdu):
"""
Encode the DIMSE Message as one or more P-DATA service primitives
PS3.7 6.3.1
The encoding of the Command Set shall be Little Endian Implicit VR
Parameters
----------
context_id : int
The ID of the presentation context agreed to under which we are
sending the data
max_pdu_length : int
The maximum PDU length in bytes
Returns
-------
p_data_list : list of pynetdicom.primitives.P_DATA
A list of one or more P-DATA service primitives
"""
self.ID = context_id
p_data_list = []
# The Command Set is always Little Endian Implicit VR (PS3.7 6.3.1)
# encode(dataset, is_implicit_VR, is_little_endian)
encoded_command_set = encode(self.command_set, True, True)
## COMMAND SET
# Split the command set into framents with maximum size max_pdu
pdvs = fragment(max_pdu, encoded_command_set)
# First to (n - 1)th command data fragment - b XXXXXX01
for ii in pdvs[:-1]:
pdata = P_DATA()
pdata.presentation_data_value_list = [[self.ID, pack('b', 1) + ii]]
p_data_list.append(pdata)
# Nth command data fragment - b XXXXXX11
pdata = P_DATA()
pdata.presentation_data_value_list = [[self.ID, pack('b', 3) + pdvs[-1]]]
p_data_list.append(pdata)
## DATASET (if available)
# Split out dataset up into fragment with maximum size of max_pdu
# Check that the Data Set is not empty
if self.data_set is None:
pass
elif self.data_set.getvalue() != b'':
# Technically these are APDUs, not PDVs
pdvs = fragment(max_pdu, self.data_set)
# First to (n - 1)th dataset fragment - b XXXXXX00
for ii in pdvs[:-1]:
pdata = P_DATA()
pdata.presentation_data_value_list = [[self.ID, pack('b', 0) + ii]]
p_data_list.append(pdata)
# Nth dataset fragment - b XXXXXX10
pdata = P_DATA()
pdata.presentation_data_value_list = \
[[self.ID, pack('b', 2) + pdvs[-1]]]
p_data_list.append(pdata)
return p_data_list
def test_encode_empty(self):
"""Test encoding an empty dataset."""
out = encode(Dataset(), True, True)
assert out == b''
def encode_msg(self, context_id, max_pdu_length):
"""Yield P-DATA primitives for the current DIMSE Message.
**Encoding**
The encoding of the Command Set shall be *Little Endian Implicit VR*,
while the *Data Set* will be encoded as per the agreed presentation
context.
A P-DATA request's PDV List parameter shall contain one or more PDVs.
Each PDV is wholly contained in a given P-DATA request and doesn't
span across several P-DATA request primitives.
The fragmentation of any message results in a series of PDVs that shall
be sent, on a given association, by a corresponding series of P-DATA
requests preserving the ordering of the fragments of any message.
No fragments of any other messages shall be sent until all fragments
of the current message have been sent.
Parameters
----------
context_id : int
The *ID* of the agreed presentation context.
max_pdu_length : int
The maximum PDV length (in bytes).
Yields
------
pdu_primitives.P_DATA
The current DIMSE message as one or more P-DATA service
primitives.
References
----------
* DICOM Standard, Part 7,
:dcm:`Section 6.3.1<part07/sect_6.3.html#sect_6.3.1>`
* DICOM Standard, Part 8, :dcm:`Annex E<part08/chapter_E.html>`
"""
self.context_id = context_id
# The Command Set is always Little Endian Implicit VR (PS3.7 6.3.1)
# encode(dataset, is_implicit_VR, is_little_endian)
encoded_command_set = encode(self.command_set, True, True)
# COMMAND SET (always)
# Split the command set into fragments with maximum size max_pdu_length
if max_pdu_length == 0:
nr_fragments = 1
else:
nr_fragments = ceil(
len(encoded_command_set) / (max_pdu_length - 6))
cmd_fragments = self._generate_pdv_fragments(encoded_command_set,
max_pdu_length)
# First to (n - 1)th command data fragment - bits xxxxxx01
for ii in range(int(nr_fragments - 1)):
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x01' + next(cmd_fragments)])
yield pdata
# Last command data fragment - bits xxxxxx11
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x03' + next(cmd_fragments)])
yield pdata
# DATASET (if available)
# Check that the Data Set is not empty
if self.data_set is not None:
encoded_data_set = self.data_set.getvalue()
if encoded_data_set:
# Split the data set into fragments with maximum
# size max_pdu_length
if max_pdu_length == 0:
nr_fragments = 1
else:
nr_fragments = ceil(
len(encoded_data_set) / (max_pdu_length - 6))
ds_fragments = self._generate_pdv_fragments(
encoded_data_set, max_pdu_length)
# First to (n - 1)th dataset fragment - bits xxxxxx00
for ii in range(int(nr_fragments - 1)):
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x00' + next(ds_fragments)])
yield pdata
# Last dataset fragment - bits xxxxxx10
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x02' + next(ds_fragments)])
yield pdata
elif self._data_set_file is not None:
# Read and send encoded dataset from file
# Buffer size determined by io.DEFAULT_BUFFER_SIZE
with open(self._data_set_file[0], 'rb') as f:
end = f.seek(0, 2)
length = end - f.seek(self._data_set_file[1])
if max_pdu_length == 0:
nr_fragments = 1
max_pdu_length = length + 6
else:
nr_fragments = ceil(length / (max_pdu_length - 6))
# First to (n - 1)th dataset fragment - bits xxxxxx00
for ii in range(int(nr_fragments - 1)):
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x00' + f.read(max_pdu_length - 6)])
yield pdata
# Last dataset fragment - bits xxxxxx10
pdata = P_DATA()
pdata.presentation_data_value_list.append(
[context_id, b'\x02' + f.read(max_pdu_length - 6)])
yield pdata