def getLicenseAndHolderFromObject(self, obj):
""" Get the copyright holder and license from an object. """
if ILicensable.providedBy(obj):
license = ILicense(obj)
return license.getRightsHolder(), license.getRightsLicense()
else:
return None
def getLicenseFromObject(self, obj):
""" Get the copyright license for an object. """
if ILicensable.providedBy(obj):
license = ILicense(obj)
return license.getRightsLicense()
else:
return None
def UpdateLicenseMetadataHandler(obj, event):
""" Update License Metadata. """
if ILicensable.providedBy(event.object):
license = ILicense(event.object)
if hasattr(event.object.REQUEST, 'license') or hasattr(event.object.REQUEST, 'copyright_holder'):
clutil = getUtility(IContentLicensingUtility)
if clutil:
clutil.setLicense(event.object, license)
else:
license.setRightsLicense(event.object.REQUEST['license'])
return False
return True
def has_contentlicensing_support(context):
try:
from Products.ContentLicensing.DublinCoreExtensions.interfaces \
import ILicensable
except ImportError, e:
return False
from Products.ContentLicensing.utilities import interfaces as clifaces
u = component.queryUtility(clifaces.IContentLicensingUtility)
if u is None:
return False
return ILicensable.providedBy(context)
def has_contenttagging_support(context):
try:
from lovely.tag import interfaces as tagifaces
except ImportError, e:
return False
return component.queryUtility(tagifaces.ITaggingEngine) is not None
class FeatureMixin(object):
def has_contentrating_support(self):
return has_contentrating_support(Acquisition.aq_inner(self.context))
def has_contentlicensing_support(self):
return has_contentlicensing_support(Acquisition.aq_inner(self.context))
def isLicensable(self, obj):
""" Is an object licensable? """
return ILicensable.providedBy(obj)
