def __delattr__(self, item):
""" """
if self._finalized:
raise TypeError("Modification of attribute value is not allowed!")
try:
del self.__storage__[item]
except KeyError:
msg = "Object from {0!s} has no attribute `{1}`".format(
self.__class__.__name__, item)
reraise(AttributeError, msg)
def __getattr__(self, item):
"""
:param item:
:return:
"""
try:
return self.__storage__[item]
except KeyError:
msg = "Object from {0!s} has no attribute `{1}`".format(
self.__class__.__name__, item)
reraise(AttributeError, msg)
def fql(obj):
""" """
try:
func = obj.__fql__
try:
func.__self__
except AttributeError:
reraise(
ValueError, "__fql__ is not bound method, make sure class initialized!"
)
return func()
except AttributeError:
raise AttributeError("Object must have __fql__ method available")
def _validate(self, value):
""" """
super(FhirField, self)._validate(value)
if self.resource_interface:
try:
verifyObject(
self._resource_interface_class, value.foreground_origin(), False
)
except (
BrokenImplementation,
BrokenMethodImplementation,
DoesNotImplement,
) as exc:
return reraise(Invalid, str(exc))
if self.resource_type and value.resource_type != self.resource_type:
msg = (
"Resource type must be `{0}` but we got {1} " "which is not allowed!"
).format(self.resource_type, value.resource_type)
raise ConstraintNotSatisfied(msg, field_name=self.getName())
if self.resource_class:
klass = self._resource_class
if value.foreground_origin() is not None and not isinstance(
value.foreground_origin(), klass
):
msg = (
"Wrong fhir resource value is provided! "
"Value should be object of {0!r} but got {1!r}".format(
klass, value.foreground_origin().__class__
)
)
raise WrongContainedType(msg, field_name=self.getName())
if value.foreground_origin() is not None:
try:
value.foreground_origin().as_json()
except (FHIRValidationError, TypeError) as exc:
msg = (
"There is invalid element inside " "fhir model object.\n{0!s}"
).format(exc)
return reraise(Invalid, msg)
def patch(self, patch_data):
if not isinstance(patch_data, (list, tuple)):
raise WrongType(
"patch value must be list or tuple type! but got `{0}` type.".format(
type(patch_data)
),
type(patch_data),
None,
)
if not bool(self):
raise Invalid(
"None object cannot be patched! "
"Make sure fhir resource value is not empty!"
)
try:
patcher = jsonpatch.JsonPatch(patch_data)
value = patcher.apply(self._resource_obj.as_json())
new_value = self._resource_obj.__class__(value)
object.__setattr__(self, "_resource_obj", new_value)
except jsonpatch.JsonPatchException as exc:
return reraise(Invalid, str(exc))
def create_connection(conn_string, klass=None, **extra):
""" """
mod_pattern = "fhirpath.connectors.factory.{driver_mod}.create"
if isinstance(conn_string, (tuple, list)):
url = [make_url(conn) for conn in conn_string]
url_ = url[0]
else:
url_ = url = make_url(conn_string)
driver_mod = url_.drivername.split("+")[0]
try:
factory = import_string(mod_pattern.format(driver_mod=driver_mod))
return factory(url, klass, **extra)
except ImportError:
reraise(
Invalid,
"Invalid ({0}) drivername or not supported yet!.".format(
url_.drivername),
)
def _validate_object(self, obj: FhirResourceType = None): # noqa: E999
""" """
if obj is None:
return
try:
verifyObject(IFhirResource, obj, False)
except (
BrokenImplementation,
BrokenMethodImplementation,
MultipleInvalid,
) as exc:
return reraise(Invalid, str(exc))
except DoesNotImplement as exc:
msg = "Object must be derived from valid FHIR resource class!"
msg += "But it is found that object is derived from `{0}`".format(
obj.__class__.__module__ + "." + obj.__class__.__name__
)
msg += "\nOriginal Exception: {0!s}".format(exc)
return reraise(WrongType, msg, field_name=self.getName())
def _init(
self, resource_class, resource_interface, resource_type, fhir_release, **kw
):
""" """
if "default" in kw:
if (
isinstance(kw["default"], (str, dict)) or kw["default"] is None
) is False:
msg = (
"Only dict or string or None is accepted as "
"default value but got {0}".format(type(kw["default"]))
)
raise Invalid(msg)
field_attributes = get_fields(IFhirField)
attribute = field_attributes["resource_class"].bind(self)
if resource_class is None:
attribute.validate(resource_class)
attribute_val = None
else:
attribute_val = attribute.from_unicode(resource_class)
attribute.set(self, attribute_val)
attribute = field_attributes["resource_interface"].bind(self)
if resource_interface is None:
attribute.validate(resource_interface)
attribute_val = None
else:
attribute_val = attribute.from_unicode(resource_interface)
attribute.set(self, attribute_val)
attribute = field_attributes["resource_type"].bind(self)
if resource_type is None:
attribute.validate(resource_type)
attribute_val = None
else:
attribute_val = attribute.from_unicode(resource_type)
attribute.set(self, attribute_val)
attribute = field_attributes["fhir_release"].bind(self)
if fhir_release is None:
attribute.validate(fhir_release)
attribute_val = None
else:
attribute_val = attribute.from_unicode(fhir_release)
# just for ensure correct value
FHIR_VERSION[attribute_val]
attribute.set(self, attribute_val)
if self.resource_type and self.resource_class is not None:
raise Invalid(
"Either `resource_class` or `resource_type` value is acceptable! "
"you cannot provide both!"
)
if self.resource_class:
try:
klass = import_string(self.resource_class)
self.ensure_fhir_abstract(klass)
except ImportError:
msg = (
"Invalid FHIR Resource class `{0}`! "
"Please check the module or class name."
).format(self.resource_class)
return reraise(Invalid, msg)
if not IFhirResource.implementedBy(klass):
raise Invalid(
"{0!r} must be valid resource class from fhir.resources".format(
klass
)
)
self._resource_class = klass
if self.resource_type:
try:
self._resource_class = implementer(IFhirResource)(
lookup_fhir_class(self.resource_type)
)
except ImportError:
msg = "{0} is not valid fhir resource type!".format(self.resource_type)
return reraise(Invalid, msg)
if self.resource_interface:
try:
klass = implementer(IFhirResource)(
import_string(self.resource_interface)
)
except ImportError:
msg = (
"Invalid FHIR Resource Interface`{0}`! "
"Please check the module or class name."
).format(self.resource_interface)
return reraise(Invalid, msg)
if not IInterface.providedBy(klass):
raise WrongType("An interface is required", klass, self.__name__)
if klass is not IFhirResource and not issubclass(klass, IFhirResource):
msg = "`{0!r}` must be derived from {1}".format(
klass,
IFhirResource.__module__ + "." + IFhirResource.__class__.__name__,
)
raise Invalid(msg)
self._resource_interface_class = klass
