def add_transfer_syntax(self, syntax):
"""Append a transfer syntax to the presentation context.
Parameters
----------
syntax : pydicom.uid.UID, bytes or str
The transfer syntax to add to the presentation context.
"""
if isinstance(syntax, str):
syntax = UID(syntax)
elif isinstance(syntax, bytes):
syntax = UID(syntax.decode('ascii'))
else:
LOGGER.error("Attempted to add an invalid transfer syntax")
return
if syntax is not None and not validate_uid(syntax):
LOGGER.error("'transfer_syntax' contains an invalid UID")
raise ValueError("'transfer_syntax' contains an invalid UID")
if syntax and not syntax.is_valid:
LOGGER.warning(
"The Transfer Syntax Name '{}' is non-conformant".format(
syntax))
# If the transfer syntax is rejected we may add an empty str
if syntax not in self._transfer_syntax and syntax != '':
if not syntax.is_valid:
LOGGER.warning("A non-conformant UID has been added "
"to 'transfer_syntax'")
if not syntax.is_private and not syntax.is_transfer_syntax:
LOGGER.warning("A UID has been added to 'transfer_syntax' "
"that is not a transfer syntax")
self._transfer_syntax.append(syntax)
def abstract_syntax(self, uid):
"""Set the presentation context's *Abstract Syntax*.
Parameters
----------
uid : str or bytes or pydicom.uid.UID
The abstract syntax UIDs
"""
if isinstance(uid, bytes):
uid = UID(uid.decode('ascii'))
elif isinstance(uid, str):
uid = UID(uid)
else:
raise TypeError("'abstract_syntax' must be str or bytes or UID")
if not validate_uid(uid):
LOGGER.error("'abstract_syntax' is an invalid UID")
raise ValueError("'abstract_syntax' is an invalid UID")
if uid and not uid.is_valid:
LOGGER.warning(
"The Abstract Syntax Name '{}' is non-conformant".format(uid)
)
self._abstract_syntax = uid
def test_validate_uid_conformance_false(self, uid, is_valid):
_config.ENFORCE_UID_CONFORMANCE = False
assert validate_uid(UID(uid)) == is_valid[1]
def test_validate_uid_conformance_true(self, uid, is_valid):
_config.ENFORCE_UID_CONFORMANCE = True
assert validate_uid(UID(uid)) == is_valid[0]
