# -*- coding: utf-8 -*-
import logging
# create logger
logger = logging.getLogger(__name__)
# logger.debug('level %d' % (logger.getEffectiveLevel()))
[docs]class Versionable(object):
"""
for items being able to be defined with a Definition.
"""
def __init__(self, **kwds):
super(Versionable, self).__init__(**kwds)
[docs] def getLastVersion(self, ref):
"""
Returns the latest version of the given ProductRef.
"""
return None
[docs] def getVersions(self, ref):
"""
Returns all the versions of the given ProductRef.
"""
return []
[docs] def saveProductRef(self, ref):
"""
Saves the product referenced and returns the designated URN.
"""
return None