def _load(self, body, resource, nested_in=None):
"""Load this field from a JSON object.
:param body: parsed JSON body.
:param resource: ResourceBase instance for which the field is loaded.
:param nested_in: parent resource path (for error reporting only),
must be a list of strings or None.
:raises: MissingAttributeError if a required field is missing.
:raises: MalformedAttributeError on invalid field value or type.
:returns: loaded and verified value
"""
name = self._path[-1]
for path_item in self._path[:-1]:
body = body.get(path_item, {})
if name not in body:
if self._required:
path = (nested_in or []) + self._path
raise exceptions.MissingAttributeError(
attribute='/'.join(path), resource=resource.path)
else:
# Do not run the adapter on the default value
return self._default
try:
value = self._adapter(body[name])
except (UnicodeError, ValueError, TypeError) as exc:
path = (nested_in or []) + self._path
raise exceptions.MalformedAttributeError(attribute='/'.join(path),
resource=resource.path,
error=exc)
return value
def _load(self, body, resource, nested_in=None):
"""Load this field from a JSON object.
:param body: parsed JSON body.
:param resource: ResourceBase instance for which the field is loaded.
:param nested_in: parent resource path (for error reporting only),
must be a list of strings or None.
:raises: MissingAttributeError if a required field is missing
and not defaulted.
:raises: MalformedAttributeError on invalid field value or type.
:returns: loaded and verified value
"""
name = self._path[-1]
for path_item in self._path[:-1]:
body = body.get(path_item, {})
try:
item = self._get_item(body, name)
except KeyError:
if self._required:
path = (nested_in or []) + self._path
if self._default is None:
raise exceptions.MissingAttributeError(
attribute='/'.join(path),
resource=resource.path)
logging.warning(
'Applying default "%s" on required, but missing '
'attribute "%s"' % (self._default, path))
# Do not run the adapter on the default value
return self._default
# NOTE(etingof): this is just to account for schema violation
if item is None:
return
try:
return self._adapter(item)
except (UnicodeError, ValueError, TypeError) as exc:
path = (nested_in or []) + self._path
raise exceptions.MalformedAttributeError(
attribute='/'.join(path),
resource=resource.path,
error=exc)
def _load(self, body, resource, nested_in=None):
"""Load this field from a JSON object.
:param body: parsed JSON body.
:param resource: ResourceBase instance for which the field is loaded.
:param nested_in: parent resource path (for error reporting only),
must be a list of strings or None.
:raises: MissingAttributeError if a required field is missing.
:raises: MalformedAttributeError on invalid field value or type.
:returns: loaded and verified value
"""
name = self._path[-1]
for path_item in self._path[:-1]:
body = body.get(path_item, {})
try:
item = self._get_item(body, name)
except KeyError:
if self._required:
path = (nested_in or []) + self._path
raise exceptions.MissingAttributeError(
attribute='/'.join(path), resource=resource.path)
else:
# Do not run the adapter on the default value
return self._default
try:
# Get the value based on the name, defaulting to an empty dict
# Check to ensure that value is implemented by OEM
# TODO(etingof): we should revisit this logic/code
if (item is not None and item != {}
and str(item).lower() != 'none'):
value = self._adapter(item)
else:
value = item
except (UnicodeError, ValueError, TypeError) as exc:
path = (nested_in or []) + self._path
raise exceptions.MalformedAttributeError(attribute='/'.join(path),
resource=resource.path,
error=exc)
return value
