def time_create_double_transfer_syntax(self):
"""Time creating context with two transfer syntaxes."""
for x in range(500):
cx = PresentationContext()
cx.context_id = 1
cx.abstract_syntax = '1.2.840.10008.5.1.4.1.1.2'
cx.transfer_syntax = ['1.2.840.10008.1.2', '1.2.840.10008.1.2.1']
def send_c_store(ae: AE, dcm_path: str, scp_address: Tuple[str, int],
idx: int) -> None:
host, port = scp_address
logger.debug(
f"Establishing an association with DIMSE C-STORE SCP ({host}, {port})")
dataset = read_file(dcm_path)
abstract_syntax = dataset.file_meta[0x00020002].value
transfer_syntax = dataset.file_meta[0x00020010].value
context = PresentationContext()
context.abstract_syntax = abstract_syntax
context.transfer_syntax = [transfer_syntax]
assoc = ae.associate(host, port, contexts=[context])
if not assoc.is_established:
logger.error("Failed to associate with SCP. Exiting...")
assoc.release()
return
try:
response = assoc.send_c_store(dataset)
status = response[0x00000900].value
dcm_file_name = os.path.basename(dcm_path)
association_syntax = f"{abstract_syntax}{transfer_syntax}"
logger.info(
f"({idx}) Sent C-STORE '{dcm_file_name}' - syntax={association_syntax} - status={status}"
)
finally:
assoc.release()
def time_create_single_transfer_syntax(self):
"""Time creating contexts with a single transfer syntax"""
for x in range(500):
cx = PresentationContext()
cx.context_id = 1
cx.abstract_syntax = '1.2.840.10008.5.1.4.1.1.2'
cx.transfer_syntax = ['1.2.840.10008.1.2']
def setup(self):
self.contexts = []
for x in range(500):
cx = PresentationContext()
cx.context_id = 1
cx.abstract_syntax = '1.2.840.10008.5.1.4.1.1.2'
cx.transfer_syntax = [
'1.2.840.10008.1.2', '1.2.840.10008.1.2.1',
'1.2.840.10008.1.2.2'
]
self.contexts.append(cx)
def time_create_triple_transfer_syntax(self):
"""Time creating context with three transfer syntaxes."""
for x in range(500):
cx = PresentationContext()
cx.context_id = 1
cx.abstract_syntax = "1.2.840.10008.5.1.4.1.1.2"
cx.transfer_syntax = [
"1.2.840.10008.1.2",
"1.2.840.10008.1.2.1",
"1.2.840.10008.1.2.2",
]
def time_create_from_sop(self):
"""Test the time taken to create a PresentationContext from every
available standard DICOM UID.
"""
for uid in UID_dictionary:
cx = PresentationContext()
cx.context_id = 1
cx.abstract_syntax = uid
cx.transfer_syntax = [
'1.2.840.10008.1.2', '1.2.840.10008.1.2.1',
'1.2.840.10008.1.2.2'
]
def setup(self):
# Requestor presentation contexts - max 128
self.requestor_contexts = []
for ii, cx in enumerate(StoragePresentationContexts):
cx.context_id = ii * 2 + 1
self.requestor_contexts.append(cx)
# Acceptor presentation contexts - no max
self.acceptor_contexts = []
for uid in UID_dictionary:
cx = PresentationContext()
cx.abstract_syntax = uid
cx.transfer_syntax = [
'1.2.840.10008.1.2', '1.2.840.10008.1.2.1',
'1.2.840.10008.1.2.2'
]
self.acceptor_contexts.append(cx)
def setup(self):
# Requestor presentation contexts - max 126
self.requestor_contexts = []
for ii, cx in enumerate(StoragePresentationContexts):
cx.context_id = ii * 2 + 1
cx.SCP = True
cx.SCU = True
self.requestor_contexts.append(cx)
# Acceptor presentation contexts - no max
self.acceptor_contexts = []
for uid in UID_dictionary:
context = PresentationContext()
context.context_id = 1
context.abstract_syntax = uid
context.transfer_syntax = ['1.2.840.10008.1.2']
context.Result = 0x00
context.SCP = True
context.SCU = True
self.acceptor_contexts.append(context)
def test_conversion(self):
""" Check conversion to a PDU produces the correct output """
assoc = A_ASSOCIATE()
assoc.application_context_name = "1.2.840.10008.3.1.1.1"
assoc.calling_ae_title = 'ECHOSCU'
assoc.called_ae_title = 'ANY-SCP'
assoc.maximum_length_received = 16382
assoc.implementation_class_uid = '1.2.826.0.1.3680043.9.3811.0.9.0'
imp_ver_name = ImplementationVersionNameNotification()
imp_ver_name.implementation_version_name = 'PYNETDICOM_090'
assoc.user_information.append(imp_ver_name)
pc = PresentationContext()
pc.context_id = 1
pc.abstract_syntax = '1.2.840.10008.1.1'
pc.transfer_syntax = ['1.2.840.10008.1.2']
assoc.presentation_context_definition_list = [pc]
pdu = A_ASSOCIATE_RQ()
pdu.from_primitive(assoc)
data = pdu.encode()
assert data == (
b"\x01\x00\x00\x00\x00\xd1\x00\x01\x00\x00\x41\x4e\x59\x2d\x53\x43"
b"\x50\x20\x20\x20\x20\x20\x20\x20\x20\x20\x45\x43\x48\x4f\x53\x43"
b"\x55\x20\x20\x20\x20\x20\x20\x20\x20\x20\x00\x00\x00\x00\x00\x00"
b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
b"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x00\x15\x31\x2e"
b"\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x33\x2e\x31\x2e"
b"\x31\x2e\x31\x20\x00\x00\x2e\x01\x00\x00\x00\x30\x00\x00\x11\x31"
b"\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30\x38\x2e\x31\x2e\x31"
b"\x40\x00\x00\x11\x31\x2e\x32\x2e\x38\x34\x30\x2e\x31\x30\x30\x30"
b"\x38\x2e\x31\x2e\x32\x50\x00\x00\x3e\x51\x00\x00\x04\x00\x00\x3f"
b"\xfe\x52\x00\x00\x20\x31\x2e\x32\x2e\x38\x32\x36\x2e\x30\x2e\x31"
b"\x2e\x33\x36\x38\x30\x30\x34\x33\x2e\x39\x2e\x33\x38\x31\x31\x2e"
b"\x30\x2e\x39\x2e\x30\x55\x00\x00\x0e\x50\x59\x4e\x45\x54\x44\x49"
b"\x43\x4f\x4d\x5f\x30\x39\x30"
)
def setup(self):
# Requestor presentation contexts - max 126
self.requestor_contexts = []
for ii, cx in enumerate(StoragePresentationContexts):
cx.context_id = ii * 2 + 1
cx.scp_role = True
cx.scu_role = True
self.requestor_contexts.append(cx)
# Acceptor presentation contexts - no max
self.acceptor_contexts = []
for uid in UID_dictionary:
cx = PresentationContext()
cx.abstract_syntax = uid
cx.transfer_syntax = [
"1.2.840.10008.1.2",
"1.2.840.10008.1.2.1",
"1.2.840.10008.1.2.2",
]
self.acceptor_contexts.append(cx)
self.ac_roles = {uid: (True, False) for uid in UID_dictionary}
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from pynetdicom.presentation import PresentationContext
from pynetdicom import build_context
cx = PresentationContext()
cx.context_id = 1
# 1.2.840.10008.1.1 - Verification SOP Class
# 1.2.840.10008.5.1.4.1.1 - CT Image Storage
cx.abstract_syntax = '1.2.840.10008.1.1'
# 1.2.840.10008.1.2 - Implicit VR Little Endian
# 1.2.840.10008.1.2.4.50 - JPEG Baseline
cx.transfer_syntax = ['1.2.840.10008.1.2', '1.2.840.10008.1.2.4.50']
print(cx)
cx1 = build_context(
'1.2.840.10008.1.1', ['1.2.840.10008.5.1.4.1.1.3.1']
)
print(cx1)
cx2 = build_context('1.2.840.10008.1.1')
print(cx2)