def version_is_compatible(imp_version, version):
"""Determine whether versions are compatible.
:param imp_version: The version implemented
:param version: The version requested by an incoming message.
"""
return versionutils.is_compatible(version, imp_version)
def version_is_compatible(imp_version, version):
"""Determine whether versions are compatible.
:param imp_version: The version implemented
:param version: The version requested by an incoming message.
"""
return versionutils.is_compatible(version, imp_version)
def obj_class_from_name(cls, objname, objver):
"""Returns a class from the registry based on a name and version."""
if objname not in cls._obj_classes:
LOG.error(
_('Unable to instantiate unregistered object type '
'%(objtype)s') % dict(objtype=objname))
raise UnsupportedObjectError(objtype=objname)
compatible_match = None
for objclass in cls._obj_classes[objname]:
if objclass.VERSION == objver:
return objclass
if versionutils.is_compatible(objver, objclass.VERSION):
compatible_match = objclass
if compatible_match:
return compatible_match
raise IncompatibleObjectVersion(objname=objname, objver=objver)
def obj_class_from_name(cls, objname, objver):
"""Returns a class from the registry based on a name and version."""
if objname not in cls._obj_classes:
LOG.error(_('Unable to instantiate unregistered object type '
'%(objtype)s') % dict(objtype=objname))
raise UnsupportedObjectError(objtype=objname)
compatible_match = None
for objclass in cls._obj_classes[objname]:
if objclass.VERSION == objver:
return objclass
if versionutils.is_compatible(objver, objclass.VERSION):
compatible_match = objclass
if compatible_match:
return compatible_match
raise IncompatibleObjectVersion(objname=objname,
objver=objver)
