def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if "code" not in self.kwargs:
try:
self.kwargs["code"] = self.code
except AttributeError:
pass
if not message:
try:
message = self.msg_fmt % kwargs
except Exception:
exc_info = sys.exc_info()
# kwargs doesn't match a variable in the message
# log the issue and the kwargs
LOG.exception(_LE("Exception in string format operation"))
for name, value in kwargs.items():
LOG.error("%s: %s" % (name, value)) # noqa
if CONF.oslo_versionedobjects.fatal_exception_format_errors:
raise six.reraise(*exc_info)
else:
# at least get the core message out if something happened
message = self.msg_fmt
super(VersionedObjectsException, self).__init__(message)
def obj_class_from_name(cls, objname, objver):
"""Returns a class from the registry based on a name and version."""
if objname not in VersionedObjectRegistry.obj_classes():
LOG.error(_LE('Unable to instantiate unregistered object type '
'%(objtype)s'), dict(objtype=objname))
raise exception.UnsupportedObjectError(objtype=objname)
# NOTE(comstud): If there's not an exact match, return the highest
# compatible version. The objects stored in the class are sorted
# such that highest version is first, so only set compatible_match
# once below.
compatible_match = None
for objclass in VersionedObjectRegistry.obj_classes()[objname]:
if objclass.VERSION == objver:
return objclass
if (not compatible_match and
versionutils.is_compatible(objver, objclass.VERSION)):
compatible_match = objclass
if compatible_match:
return compatible_match
# As mentioned above, latest version is always first in the list.
latest_ver = VersionedObjectRegistry.obj_classes()[objname][0].VERSION
raise exception.IncompatibleObjectVersion(objname=objname,
objver=objver,
supported=latest_ver)
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if 'code' not in self.kwargs:
try:
self.kwargs['code'] = self.code
except AttributeError:
pass
if not message:
try:
message = self.msg_fmt % kwargs
except Exception:
exc_info = sys.exc_info()
# kwargs doesn't match a variable in the message
# log the issue and the kwargs
LOG.exception(_LE('Exception in string format operation'))
for name, value in kwargs.items():
LOG.error("%s: %s" % (name, value)) # noqa
if CONF.oslo_versionedobjects.fatal_exception_format_errors:
raise six.reraise(*exc_info)
else:
# at least get the core message out if something happened
message = self.msg_fmt
super(VersionedObjectsException, self).__init__(message)
def obj_class_from_name(cls, objname, objver):
"""Returns a class from the registry based on a name and version."""
if objname not in VersionedObjectRegistry.obj_classes():
LOG.error(
_LE('Unable to instantiate unregistered object type '
'%(objtype)s'), dict(objtype=objname))
raise exception.UnsupportedObjectError(objtype=objname)
# NOTE(comstud): If there's not an exact match, return the highest
# compatible version. The objects stored in the class are sorted
# such that highest version is first, so only set compatible_match
# once below.
compatible_match = None
for objclass in VersionedObjectRegistry.obj_classes()[objname]:
if objclass.VERSION == objver:
return objclass
if (not compatible_match
and vutils.is_compatible(objver, objclass.VERSION)):
compatible_match = objclass
if compatible_match:
return compatible_match
# As mentioned above, latest version is always first in the list.
latest_ver = VersionedObjectRegistry.obj_classes()[objname][0].VERSION
raise exception.IncompatibleObjectVersion(objname=objname,
objver=objver,
supported=latest_ver)
def setter(self, value, name=name, field=field):
attrname = _get_attrname(name)
field_value = field.coerce(self, name, value)
if field.read_only and hasattr(self, attrname):
# Note(yjiang5): _from_db_object() may iterate
# every field and write, no exception in such situation.
if getattr(self, attrname) != field_value:
raise exception.ReadOnlyFieldError(field=name)
else:
return
self._changed_fields.add(name)
try:
return setattr(self, attrname, field_value)
except Exception:
attr = "%s.%s" % (self.obj_name(), name)
LOG.exception(_LE('Error setting %(attr)s'), {'attr': attr})
raise
def setter(self, value, name=name, field=field):
attrname = _get_attrname(name)
field_value = field.coerce(self, name, value)
if field.read_only and hasattr(self, attrname):
# Note(yjiang5): _from_db_object() may iterate
# every field and write, no exception in such situation.
if getattr(self, attrname) != field_value:
raise exception.ReadOnlyFieldError(field=name)
else:
return
self._changed_fields.add(name)
try:
return setattr(self, attrname, field_value)
except Exception:
with excutils.save_and_reraise_exception():
attr = "%s.%s" % (self.obj_name(), name)
LOG.exception(_LE('Error setting %(attr)s'),
{'attr': attr})
def coerce(obj, attr, value):
if isinstance(value, six.string_types):
lowered = value.lower().replace('-', ':')
if MACAddress._REGEX.match(lowered):
return lowered
raise ValueError(_LE("Malformed MAC %s"), value)
def coerce(obj, attr, value):
if isinstance(value, six.string_types):
lowered = value.lower().replace('-', ':')
if MACAddress._REGEX.match(lowered):
return lowered
raise ValueError(_LE("Malformed MAC %s"), value)
def coerce(obj, attr, value):
if isinstance(value, six.string_types):
newvalue = value.lower()
if PCIAddress._REGEX.match(newvalue):
return newvalue
raise ValueError(_LE("Malformed PCI address %s"), value)
def coerce(obj, attr, value):
if isinstance(value, six.string_types):
newvalue = value.lower()
if PCIAddress._REGEX.match(newvalue):
return newvalue
raise ValueError(_LE("Malformed PCI address %s"), value)
