def load_cas_from_xmi(source: Union[IO, str],
typesystem: TypeSystem = None,
lenient: bool = False,
trusted: bool = False) -> Cas:
""" Loads a CAS from a XMI source.
Args:
source: The XML source. If `source` is a string, then it is assumed to be an XML string.
If `source` is a file-like object, then the data is read from it.
typesystem: The type system that belongs to this CAS. If `None`, an empty type system is provided.
lenient: If `True`, unknown Types will be ignored. If `False`, unknown Types will cause an exception.
The default is `False`.
trusted: If `True`, disables checks like XML parser security restrictions.
Returns:
The deserialized CAS
"""
if typesystem is None:
typesystem = TypeSystem()
deserializer = CasXmiDeserializer()
if isinstance(source, str):
return deserializer.deserialize(BytesIO(source.encode("utf-8")),
typesystem=typesystem,
lenient=lenient,
trusted=trusted)
else:
return deserializer.deserialize(source,
typesystem=typesystem,
lenient=lenient,
trusted=trusted)
def load_cas_from_xmi(
source: Union[IO, str], typesystem: TypeSystem = TypeSystem()) -> Cas:
deserializer = CasXmiDeserializer()
if isinstance(source, str):
return deserializer.deserialize(BytesIO(source.encode('utf-8')),
typesystem=typesystem)
else:
return deserializer.deserialize(source, typesystem=typesystem)
def __init__(self, typesystem: TypeSystem = TypeSystem()):
self._typesystem = typesystem
# When new attributes are added, they also need to be added in Cas::_copy. The copying
# relies on the fact that all the members of the Cas are mutable references. It is not
# possible right now to add not-mutable references because the view functionality heavily
# relies on this functionality.
self._sofas = {}
self._views = {}
self._xmi_id_generator = IdGenerator()
self._sofa_num_generator = IdGenerator()
# Every CAS comes with a an initial view called `_InitialView`
self._add_view("_InitialView")
self._current_view = self._views["_InitialView"] # type: View
def load_cas_from_xmi(source: Union[IO, str], typesystem: TypeSystem = TypeSystem()) -> Cas:
""" Loads a CAS from a XMI source.
Args:
source: The XML source. If `source` is a string, then it is assumed to be an XML string.
If `source` is a file-like object, then the data is read from it.
typesystem: The type system that belongs to this CAS. If `None`, an empty type system is provided.
Returns:
The deserialized CAS
"""
deserializer = CasXmiDeserializer()
if isinstance(source, str):
return deserializer.deserialize(BytesIO(source.encode("utf-8")), typesystem=typesystem)
else:
return deserializer.deserialize(source, typesystem=typesystem)
def __init__(self, typesystem: TypeSystem = None):
""" Creates a CAS with the specified typesystem. If no typesystem is given, then the default one
is used which only contains UIMA-predefined types.
Args:
typesystem: The types system to use.
"""
self._typesystem = typesystem if typesystem else TypeSystem()
# When new attributes are added, they also need to be added in Cas::_copy. The copying
# relies on the fact that all the members of the Cas are mutable references. It is not
# possible right now to add not-mutable references because the view functionality heavily
# relies on this functionality.
self._sofas = {}
self._views = {}
self._xmi_id_generator = IdGenerator()
self._sofa_num_generator = IdGenerator()
# Every CAS comes with a an initial view called `_InitialView`
self._add_view("_InitialView")
self._current_view = self._views["_InitialView"] # type: View